Merge remote-tracking branch 'origin/master' into issue350

Restores the call to combineCallback with NULL args.

.gitignore

@@ -1,3 +1,5 @@
+/*.scad
+**/out*.*
 *.dmg
 *~
 *.tar*
@@ -15,7 +17,6 @@ testdata/scad/misc/include-tests.scad
 testdata/scad/misc/use-tests.scad
 **/project.xcworkspace
 **/xcuserdata
-/*.scad
 /*.stl
 /*.dxf
 /*.off
@@ -37,6 +38,7 @@ testdata/scad/misc/use-tests.scad
 /lexer_lex.cpp
 /parser_yacc.cpp
 /OpenSCAD.app
+/openscad.appdata.xml
 /openscad.pro.user
 /openscad
 /locale/*/*/*.mo

README.md

@@ -2,6 +2,8 @@
 [![Coverity Status](https://scan.coverity.com/projects/2510/badge.svg)](https://scan.coverity.com/projects/2510)
 [![Bitdeli Badge](https://d2weczhvl823v0.cloudfront.net/openscad/openscad/trend.png)](https://bitdeli.com/free "Bitdeli Badge")
 
+[![Visit our IRC channel](https://kiwiirc.com/buttons/irc.freenode.net/openscad.png)](https://kiwiirc.com/client/irc.freenode.net/#openscad)
+
 # What is OpenSCAD?
 [![Flattr this git repo](http://api.flattr.com/button/flattr-badge-large.png)](https://flattr.com/submit/auto?user_id=openscad&url=http://openscad.org&title=OpenSCAD&language=&tags=github&category=software)
 
@@ -147,7 +149,7 @@ For the adventurous, it might be possible to build OpenSCAD using _MacPorts_ or
 
     ```sudo port install opencsg qscintilla boost cgal pkgconfig eigen3 harfbuzz fontconfig```
 
-1. **Homebrew** (assumes [Homebrew](http://brew.sh)) is already installed)
+1. **Homebrew** (assumes [Homebrew](http://brew.sh) is already installed)
 
     NB! Homebrew's ```qscintilla2``` component doesn't support Qt5, so using Qt4 is currently necessary.
     However, Homebrew's Qt4 has a broken ```moc``` command, causing OpenSCAD compilation to
@@ -231,9 +233,9 @@ For a 64-bit Windows cross-build, replace 32 with 64 in the above instructions.
 
 ### Compilation
 
-First, run 'qmake openscad.pro' from Qt4 to generate a Makefile.
+First, run 'qmake openscad.pro' from Qt to generate a Makefile.
 
-On some systems, depending on which version(s) of Qt you have installed, you may need to specify which version you want to use, e.g. by running 'qmake4', 'qmake-qt4' or something alike.
+On some systems, depending on which version(s) of Qt you have installed, you may need to specify which version you want to use, e.g. by running 'qmake4', 'qmake-qt4', 'qmake -qt=qt5', or something alike. 
 
 Then run make. Finally you might run 'make install' as root or simply copy the
 'openscad' binary (OpenSCAD.app on Mac OS X) to the bin directory of your choice.

RELEASE_NOTES

@@ -1,6 +1,42 @@
 
 # OpenSCAD 2015.03
 
+## 2015.03-2
+
+**Bugfixes**
+* \#1483 - Fix Z-fighting in Ortho view
+* \#1479 - No check for infinite $fn
+* \#1472 - "nan" in list comprehension causes crash
+* \#452 - rands() fails when the seed is a floating point number
+* \#1407 - Recursive module crash
+* \#1425 - Animate Filename Generation - Duplicate/Missing Filenames
+* \#1420 - expression-evaluation-tests fails on arm64
+* \#1410 - Crash when a polygon contains NaN
+* \#1378 - Linear extrude plus infinite twist causes crash instead of just an error
+* \#1358 - Add more detailed installer information including version number
+* \#1356 - Crash when multiplying matrices with undefined elements
+* \#1350 - Saving file when HD is full ends up in data loss
+* \#1342 - Syntax Highlighting Does Not Work on Linux Mint 17.1
+* \#1337 - Simple detection of script and direction based on given text
+* \#1325 - Crash when polygons with > 3 indices turn out to be degenerate
+* \#1329 - version() returned ```[0,0,0]```
+
+## 2015.03-1
+
+**Bugfixes**
+* \#1203 - Linux: Missing icons on Xfce
+* \#1258 - Occasional crash when exporting STL
+* \#1260 - Minimal window width too large
+* \#1264 - Replace All sometimes caused a hang
+* \#1274 - Fixed some preview bugs on Intel GPUs (OpenCSG 1.4.0)
+* \#1276 - Module recursion sometimes caused a crash
+* \#1277 - Automatic reload sometimes messed up camera position
+* \#1284 - Animation flicker eliminated
+* \#1294 - Support reproducible builds
+* \#1317 - Normals vectors in STL were sometimes 0 0 0
+
+## 2015.03
+
 **Language Features:**
 * Added text() module for 2D text
 * Added offset() module for 2D offsets

boost.pri

@@ -13,10 +13,12 @@ boost {
   macx: DEFINES += __ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES=0
 
   # MXE cross build
-  CONFIG(mingw-cross-env) {
-    DEFINES += BOOST_STATIC
+  CONFIG(mingw-cross-env)|CONFIG(mingw-cross-env-shared) {
     DEFINES += BOOST_THREAD_USE_LIB
+    !CONFIG(mingw-cross-env-shared) {
+      DEFINES += BOOST_STATIC
       DEFINES += Boost_USE_STATIC_LIBS
+    }
     BOOST_LINK_FLAGS = -lboost_thread_win32-mt -lboost_program_options-mt -lboost_filesystem-mt -lboost_system-mt -lboost_regex-mt -lboost_chrono-mt
   }
 

c++11.pri

@@ -0,0 +1,38 @@
+macx {
+  # Mac needs special care to link against the correct C++ library
+  # We attempt to auto-detect it by inspecting Boost
+  dirs = $${BOOSTDIR} $${QMAKE_LIBDIR}
+  for(dir, dirs) {
+    system(grep -q __112basic_string $${dir}/libboost_thread* >& /dev/null) {
+      message("Using libc++11")
+      CONFIG += libc++
+    }
+    else {
+      message("Using libstdc++")
+      CONFIG += libstdc++
+      c++11 {
+        # libc++ is a requirement for using C++11 
+        warning("Disabling C++11 since libstdc++ dependencies were found")
+        CONFIG -= c++11
+      }
+    }
+  }
+
+  libc++ {
+    QMAKE_CXXFLAGS += -stdlib=libc++
+    QMAKE_LFLAGS += -stdlib=libc++
+    QMAKE_OBJECTIVE_CFLAGS += -stdlib=libc++
+    # libc++ on requires Mac OS X 10.7+
+    QMAKE_MACOSX_DEPLOYMENT_TARGET = 10.7
+  }
+}
+
+c++11 {
+  QMAKE_CXXFLAGS += -std=c++11
+  message("Using C++11")
+}
+else {
+  *clang* {
+    QMAKE_CXXFLAGS_WARN_ON += -Wno-c++11-extensions
+  }
+}

cgal.pri

@@ -10,7 +10,7 @@ cgal {
     message("CGAL location: $$CGAL_DIR")
   }
 
-  CONFIG(mingw-cross-env) {
+  CONFIG(mingw-cross-env)|CONFIG(mingw-cross-env-shared) {
     LIBS += -lgmp -lmpfr -lCGAL
     QMAKE_CXXFLAGS += -frounding-math 
   } else {

cgal/data/issue1455.nef3

@@ -0,0 +1,203 @@
+Selective Nef Complex
+standard
+vertices   15
+halfedges  42
+facets     18
+volumes    2
+shalfedges 84
+shalfloops 2
+sfaces     30
+0 { 0 2, 0 5, 0 1, -2 | 0 0 5 1 } 1
+1 { 3 5, 6 11, 2 3, -2 | 5 0 5 1 } 1
+2 { 6 8, 12 17, 4 5, -2 | 5 5 5 1 } 1
+3 { 9 11, 18 23, 6 7, -2 | 0 5 0 1 } 1
+4 { 12 14, 24 29, 8 9, -2 | 5 0 0 1 } 1
+5 { 15 17, 30 35, 10 11, -2 | 5 5 0 1 } 1
+6 { 18 20, 36 41, 12 13, -2 | 0 5 5 1 } 1
+7 { 21 23, 42 47, 14 15, -2 | 0 0 3 1 } 0
+8 { 24 26, 48 53, 16 17, -2 | 3 0 3 1 } 0
+9 { 27 29, 54 59, 18 19, -2 | 3 3 3 1 } 0
+10 { 30 32, 60 65, 20 21, -2 | 0 3 0 1 } 0
+11 { 33 35, 66 71, 22 23, -2 | 3 0 0 1 } 0
+12 { 36 38, 72 77, 24 25, -2 | 3 3 0 1 } 0
+13 { 39 41, 78 83, 26 27, -2 | 0 3 3 1 } 0
+14 { -2 -2, -2 -2, 28 29, 0 | 2 2 3 1 } 1
+0 { 3, 0, 0 0 | 1 0 0 1 } 1
+1 { 18, 0, 0 5 | 0 1 0 1 } 1
+2 { 21, 0, 0 4 | 0 0 -1 1 } 1
+3 { 0, 1, 0 6 | -1 0 0 1 } 1
+4 { 6, 1, 0 7 | 0 1 0 1 } 1
+5 { 13, 1, 0 10 | 0 0 -1 1 } 1
+6 { 4, 2, 0 14 | 0 -1 0 1 } 1
+7 { 19, 2, 0 13 | -1 0 0 1 } 1
+8 { 17, 2, 0 16 | 0 0 -1 1 } 1
+9 { 32, 3, 0 20 | 0 -1 0 1 } 1
+10 { 20, 3, 0 22 | 0 0 1 1 } 1
+11 { 16, 3, 0 21 | 1 0 0 1 } 1
+12 { 34, 4, 0 26 | -1 0 0 1 } 1
+13 { 5, 4, 0 28 | 0 0 1 1 } 1
+14 { 15, 4, 0 25 | 0 1 0 1 } 1
+15 { 14, 5, 0 30 | 0 -1 0 1 } 1
+16 { 11, 5, 0 34 | -1 0 0 1 } 1
+17 { 8, 5, 0 35 | 0 0 1 1 } 1
+18 { 1, 6, 0 36 | 0 -1 0 1 } 1
+19 { 7, 6, 0 40 | 1 0 0 1 } 1
+20 { 10, 6, 0 41 | 0 0 -1 1 } 1
+21 { 2, 7, 0 44 | 0 0 1 1 } 1
+22 { 24, 7, 0 46 | 1 0 0 1 } 0
+23 { 39, 7, 0 47 | 0 1 0 1 } 0
+24 { 22, 8, 0 50 | -1 0 0 1 } 0
+25 { 27, 8, 0 49 | 0 1 0 1 } 0
+26 { 33, 8, 0 52 | 0 0 -1 1 } 0
+27 { 25, 9, 0 56 | 0 -1 0 1 } 0
+28 { 40, 9, 0 55 | -1 0 0 1 } 0
+29 { 38, 9, 0 58 | 0 0 -1 1 } 0
+30 { 41, 10, 0 62 | 0 0 1 1 } 0
+31 { 37, 10, 0 64 | 1 0 0 1 } 0
+32 { 9, 10, 0 65 | 0 1 0 1 } 1
+33 { 26, 11, 0 68 | 0 0 1 1 } 0
+34 { 12, 11, 0 70 | 1 0 0 1 } 1
+35 { 36, 11, 0 71 | 0 1 0 1 } 0
+36 { 35, 12, 0 74 | 0 -1 0 1 } 0
+37 { 31, 12, 0 76 | -1 0 0 1 } 0
+38 { 29, 12, 0 77 | 0 0 1 1 } 0
+39 { 23, 13, 0 80 | 0 -1 0 1 } 0
+40 { 28, 13, 0 82 | 1 0 0 1 } 0
+41 { 30, 13, 0 79 | 0 0 -1 1 } 0
+0 { 1, 79 , , 0 | -1 0 0 0 } 1
+1 { 0, 78 , , 1 | 1 0 0 0 } 1
+2 { 3, 37 , , 0 | 0 0 1 -5 } 1
+3 { 2, 36 , , 1 | 0 0 -1 5 } 1
+4 { 5, 9 , , 0 | 1 0 0 -5 } 1
+5 { 4, 8 , , 1 | -1 0 0 5 } 1
+6 { 7, 35 , , 0 | 0 1 0 -5 } 1
+7 { 6, 34 , , 1 | 0 -1 0 5 } 1
+8 { 9, 74 , , 0 | 0 0 -1 0 } 1
+9 { 8, 75 , , 1 | 0 0 1 0 } 1
+10 { 11, 2 , , 0 | 0 -1 0 0 } 1
+11 { 10, 3 , , 1 | 0 1 0 0 } 1
+12 { 13, 81 , 1 , 1 | 0 0 1 -3 } 0
+13 { 12, 80 , 0 , 0 | 0 0 -1 3 } 0
+14 { 15, 53 , , 1 | 1 0 0 -3 } 0
+15 { 14, 52 , , 0 | -1 0 0 3 } 0
+16 { 17, 77 , , 1 | 0 1 0 -3 } 0
+17 { 16, 76 , , 0 | 0 -1 0 3 } 0
+0 { 0 } 0
+1 { 15 } 1
+0 { 1, 3, 5, 0, 0, 7, 36, 3 | 0 0 1 0 } 1
+1 { 0, 4, 2, 1, 1, 37, 6, 2 | 0 0 -1 0 } 1
+2 { 3, 1, 4, 0, 1, 10, 44, 10 | 0 1 0 0 } 1
+3 { 2, 5, 0, 2, 0, 45, 11, 11 | 0 -1 0 0 } 1
+4 { 5, 2, 1, 2, 1, 43, 38, 0 | 1 0 0 0 } 1
+5 { 4, 0, 3, 1, 0, 39, 42, 1 | -1 0 0 0 } 1
+6 { 7, 10, 9, 3, 3, 1, 12, 2 | 0 0 -1 0 } 1
+7 { 6, 8, 11, 4, 2, 13, 0, 3 | 0 0 1 0 } 1
+8 { 9, 11, 7, 5, 2, 29, 14, 5 | 1 0 0 0 } 1
+9 { 8, 6, 10, 4, 3, 15, 28, 4 | -1 0 0 0 } 1
+10 { 11, 9, 6, 5, 3, 26, 2, 10 | 0 1 0 0 } 1
+11 { 10, 7, 8, 3, 2, 3, 27, 11 | 0 -1 0 0 } 1
+12 { 13, 15, 17, 6, 5, 6, 37, 2 | 0 0 -1 0 } 1
+13 { 12, 16, 14, 7, 4, 36, 7, 3 | 0 0 1 0 } 1
+14 { 15, 13, 16, 6, 4, 8, 33, 5 | 1 0 0 0 } 1
+15 { 14, 17, 12, 8, 5, 32, 9, 4 | -1 0 0 0 } 1
+16 { 17, 14, 13, 8, 4, 34, 40, 7 | 0 1 0 0 } 1
+17 { 16, 12, 15, 7, 5, 41, 35, 6 | 0 -1 0 0 } 1
+18 { 19, 21, 22, 9, 6, 60, 39, 1 | -1 0 0 0 } 1
+19 { 18, 23, 20, 10, 7, 38, 61, 0 | 1 0 0 0 } 1
+20 { 21, 19, 23, 9, 7, 64, 31, 8 | 0 0 1 0 } 1
+21 { 20, 22, 18, 11, 6, 30, 65, 9 | 0 0 -1 0 } 1
+22 { 23, 18, 21, 10, 6, 40, 34, 7 | 0 1 0 0 } 1
+23 { 22, 20, 19, 11, 7, 35, 41, 6 | 0 -1 0 0 } 1
+24 { 25, 27, 29, 12, 8, 71, 30, 9 | 0 0 -1 0 } 1
+25 { 24, 28, 26, 14, 9, 31, 70, 8 | 0 0 1 0 } 1
+26 { 27, 25, 28, 12, 9, 68, 10, 10 | 0 1 0 0 } 1
+27 { 26, 29, 24, 13, 8, 11, 69, 11 | 0 -1 0 0 } 1
+28 { 29, 26, 25, 13, 9, 9, 32, 4 | -1 0 0 0 } 1
+29 { 28, 24, 27, 14, 8, 33, 8, 5 | 1 0 0 0 } 1
+30 { 31, 33, 34, 15, 11, 24, 21, 9 | 0 0 -1 0 } 1
+31 { 30, 35, 32, 16, 10, 20, 25, 8 | 0 0 1 0 } 1
+32 { 33, 31, 35, 15, 10, 28, 15, 4 | -1 0 0 0 } 1
+33 { 32, 34, 30, 17, 11, 14, 29, 5 | 1 0 0 0 } 1
+34 { 35, 30, 33, 16, 11, 22, 16, 7 | 0 1 0 0 } 1
+35 { 34, 32, 31, 17, 10, 17, 23, 6 | 0 -1 0 0 } 1
+36 { 37, 39, 40, 18, 12, 0, 13, 3 | 0 0 1 0 } 1
+37 { 36, 41, 38, 19, 13, 12, 1, 2 | 0 0 -1 0 } 1
+38 { 39, 37, 41, 18, 13, 4, 19, 0 | 1 0 0 0 } 1
+39 { 38, 40, 36, 20, 12, 18, 5, 1 | -1 0 0 0 } 1
+40 { 41, 36, 39, 19, 12, 16, 22, 7 | 0 1 0 0 } 1
+41 { 40, 38, 37, 20, 13, 23, 17, 6 | 0 -1 0 0 } 1
+42 { 43, 45, 47, 21, 14, 5, 78, 1 | -1 0 0 0 } 1
+43 { 42, 46, 44, 23, 15, 79, 4, 0 | 1 0 0 0 } 1
+44 { 45, 43, 46, 21, 15, 2, 50, 10 | 0 1 0 0 } 1
+45 { 44, 47, 42, 22, 14, 51, 3, 11 | 0 -1 0 0 } 1
+46 { 47, 44, 43, 22, 15, 49, 80, 13 | 0 0 1 0 } 0
+47 { 46, 42, 45, 23, 14, 81, 48, 12 | 0 0 -1 0 } 0
+48 { 49, 51, 53, 24, 16, 47, 54, 12 | 0 0 -1 0 } 0
+49 { 48, 52, 50, 25, 17, 55, 46, 13 | 0 0 1 0 } 0
+50 { 51, 49, 52, 24, 17, 44, 68, 10 | 0 1 0 0 } 1
+51 { 50, 53, 48, 26, 16, 69, 45, 11 | 0 -1 0 0 } 1
+52 { 53, 50, 49, 26, 17, 67, 56, 15 | 1 0 0 0 } 0
+53 { 52, 48, 51, 25, 16, 57, 66, 14 | -1 0 0 0 } 0
+54 { 55, 57, 59, 27, 19, 48, 81, 12 | 0 0 -1 0 } 0
+55 { 54, 58, 56, 28, 18, 80, 49, 13 | 0 0 1 0 } 0
+56 { 57, 55, 58, 27, 18, 52, 73, 15 | 1 0 0 0 } 0
+57 { 56, 59, 54, 29, 19, 72, 53, 14 | -1 0 0 0 } 0
+58 { 59, 56, 55, 29, 18, 76, 82, 17 | 0 1 0 0 } 0
+59 { 58, 54, 57, 28, 19, 83, 77, 16 | 0 -1 0 0 } 0
+60 { 61, 63, 65, 30, 20, 78, 18, 1 | -1 0 0 0 } 1
+61 { 60, 64, 62, 32, 21, 19, 79, 0 | 1 0 0 0 } 1
+62 { 63, 61, 64, 30, 21, 82, 76, 17 | 0 1 0 0 } 0
+63 { 62, 65, 60, 31, 20, 77, 83, 16 | 0 -1 0 0 } 0
+64 { 65, 62, 61, 31, 21, 74, 20, 8 | 0 0 1 0 } 1
+65 { 64, 60, 63, 32, 20, 21, 75, 9 | 0 0 -1 0 } 1
+66 { 67, 69, 71, 33, 22, 53, 72, 14 | -1 0 0 0 } 0
+67 { 66, 70, 68, 35, 23, 73, 52, 15 | 1 0 0 0 } 0
+68 { 69, 67, 70, 33, 23, 50, 26, 10 | 0 1 0 0 } 1
+69 { 68, 71, 66, 34, 22, 27, 51, 11 | 0 -1 0 0 } 1
+70 { 71, 68, 67, 34, 23, 25, 74, 8 | 0 0 1 0 } 1
+71 { 70, 66, 69, 35, 22, 75, 24, 9 | 0 0 -1 0 } 1
+72 { 73, 75, 77, 36, 24, 66, 57, 14 | -1 0 0 0 } 0
+73 { 72, 76, 74, 38, 25, 56, 67, 15 | 1 0 0 0 } 0
+74 { 75, 73, 76, 36, 25, 70, 64, 8 | 0 0 1 0 } 1
+75 { 74, 77, 72, 37, 24, 65, 71, 9 | 0 0 -1 0 } 1
+76 { 77, 74, 73, 37, 25, 62, 58, 17 | 0 1 0 0 } 0
+77 { 76, 72, 75, 38, 24, 59, 63, 16 | 0 -1 0 0 } 0
+78 { 79, 81, 83, 39, 26, 42, 60, 1 | -1 0 0 0 } 1
+79 { 78, 82, 80, 41, 27, 61, 43, 0 | 1 0 0 0 } 1
+80 { 81, 79, 82, 39, 27, 46, 55, 13 | 0 0 1 0 } 0
+81 { 80, 83, 78, 40, 26, 54, 47, 12 | 0 0 -1 0 } 0
+82 { 83, 80, 79, 40, 27, 58, 62, 17 | 0 1 0 0 } 0
+83 { 82, 78, 81, 41, 26, 63, 59, 16 | 0 -1 0 0 } 0
+0 { 1, 28, 13 | 0 0 1 0 } 0
+1 { 0, 29, 12 | 0 0 -1 0 } 0
+0 { 0, 0 , , , 0 } 0
+1 { 0, 1 , , , 1 } 1
+2 { 1, 7 , , , 0 } 0
+3 { 1, 6 , , , 1 } 1
+4 { 2, 13 , , , 0 } 0
+5 { 2, 12 , , , 1 } 1
+6 { 3, 18 , , , 0 } 0
+7 { 3, 19 , , , 1 } 1
+8 { 4, 24 , , , 0 } 0
+9 { 4, 25 , , , 1 } 1
+10 { 5, 31 , , , 1 } 1
+11 { 5, 30 , , , 0 } 0
+12 { 6, 36 , , , 0 } 0
+13 { 6, 37 , , , 1 } 1
+14 { 7, 42 , , , 0 } 0
+15 { 7, 43 , , , 1 } 1
+16 { 8, 48 , , , 0 } 0
+17 { 8, 49 , , , 1 } 1
+18 { 9, 55 , , , 1 } 1
+19 { 9, 54 , , , 0 } 0
+20 { 10, 60 , , , 0 } 0
+21 { 10, 61 , , , 1 } 1
+22 { 11, 66 , , , 0 } 0
+23 { 11, 67 , , , 1 } 1
+24 { 12, 72 , , , 0 } 0
+25 { 12, 73 , , , 1 } 1
+26 { 13, 78 , , , 0 } 0
+27 { 13, 79 , , , 1 } 1
+28 { 14, , , 0, 1 } 1
+29 { 14, , , 1, 0 } 0
+/* end Selective Nef complex */

cgal/decompose.cpp

@@ -8,6 +8,9 @@
 #include "export.h"
 #include "polyset.h"
 #include "CGAL_Nef_polyhedron.h"
+#include "boosty.h"
+
+#include <CGAL/IO/Nef_polyhedron_iostream_3.h>
 
 using namespace CGALUtils;
 
@@ -16,6 +19,7 @@ using namespace CGALUtils;
 typedef CGAL::Epick K;
 typedef CGAL::Polyhedron_3<K> PolyhedronK;
 
+#include <boost/algorithm/string.hpp>
 #include <boost/assign/std/vector.hpp>
 #include <boost/assign/list_of.hpp>
 using namespace boost::assign; // bring 'operator+=()' into scope
@@ -629,21 +633,30 @@ int main(int argc, char *argv[])
   OpenSCAD::debug = "decompose";
 
   PolySet *ps = NULL;
+  CGAL_Nef_polyhedron *N = NULL;
   if (argc == 2) {
-    if (!(ps = import_stl(argv[1]))) {
-      std::cerr << "Error importing STL " << argv[1] << std::endl;
+    std::string filename(argv[1]);
+    std::string suffix = boosty::extension_str(filename);
+    if (suffix == ".stl") {
+      if (!(ps = import_stl(filename))) {
+        std::cerr << "Error importing STL " << filename << std::endl;
         exit(1);
       }
       std::cerr << "Imported " << ps->numPolygons() << " polygons" << std::endl;
     }
+    else if (suffix == ".nef3") {
+      N = new CGAL_Nef_polyhedron(new CGAL_Nef_polyhedron3);
+      std::ifstream stream(filename.c_str());
+      stream >> *N->p3;
+      std::cerr << "Imported Nef polyhedron" << std::endl;
+    }
+  }
   else {
     std::cerr << "Usage: " << argv[0] << " <file.stl> <file.stl>" << std::endl;
     exit(1);
   }
 
-  Geometry::ChildList children;
-
-  CGAL_Nef_polyhedron *N = createNefPolyhedronFromGeometry(*ps);
+  if (ps && !N) N = createNefPolyhedronFromGeometry(*ps);
 
   std::vector<PolyhedronK> result;
   decompose(N->p3.get(), std::back_inserter(result));

cgal/decompose.pro

@@ -4,7 +4,7 @@ debug: DEFINES += DEBUG
 
 TEMPLATE = app
 
-INCLUDEPATH += ../src
+INCLUDEPATH += ../src ../src/libtess2/Include
 DEPENDPATH += ../src
 
 # Handle custom library location.
@@ -54,10 +54,12 @@ macx {
   }
 }
 
-# See Dec 2011 OpenSCAD mailing list, re: CGAL/GCC bugs.
 *g++* {
+  # See Dec 2011 OpenSCAD mailing list, re: CGAL/GCC bugs.
   QMAKE_CXXFLAGS *= -fno-strict-aliasing
   QMAKE_CXXFLAGS_WARN_ON += -Wno-unused-local-typedefs # ignored before 4.8
+  # use of 'auto'
+  QMAKE_CXXFLAGS += -std=c++11
 }
 
 *clang* {
@@ -80,29 +82,52 @@ CONFIG += gettext
 
 mac: {
    LIBS += -framework OpenGL
+} else {
+   LIBS += -lGL
 }
 
+
 include(../common.pri)
 
 HEADERS += ../src/cgal.h \
            ../src/cgalutils.h \
            ../src/linalg.h \
+           ../src/grid.h \
            ../src/polyset.h \
            ../src/polyset-utils.h \
-           ../src/printutils.h
+           ../src/printutils.h \
+           ../src/GeometryUtils.h \
+           ../src/libtess2/Include/tesselator.h \
+           ../src/libtess2/Source/bucketalloc.h \
+           ../src/libtess2/Source/dict.h \
+           ../src/libtess2/Source/geom.h \
+           ../src/libtess2/Source/mesh.h \
+           ../src/libtess2/Source/priorityq.h \
+           ../src/libtess2/Source/sweep.h \
+           ../src/libtess2/Source/tess.h
 
 SOURCES += decompose.cpp \
            ../src/polygon2d.cc \
            ../src/polygon2d-CGAL.cc \
            ../src/CGAL_Nef_polyhedron.cc \
-           ../src/CGAL_Nef_polyhedron_DxfData.cc \
            ../src/cgalutils.cc \
+           ../src/cgalutils-applyops.cc \
            ../src/cgalutils-tess.cc \
            ../src/cgalutils-polyhedron.cc \
            ../src/polyset.cc \
+           ../src/polyset-gl.cc \
+           ../src/GeometryUtils.cc \
            ../src/svg.cc \
+           ../src/grid.cc \
            ../src/node.cc \
            ../src/export.cc \
            ../src/polyset-utils.cc \
            ../src/progress.cc \
-           ../src/printutils.cc
+           ../src/printutils.cc \
+           ../src/libtess2/Source/bucketalloc.c \
+           ../src/libtess2/Source/dict.c \
+           ../src/libtess2/Source/geom.c \
+           ../src/libtess2/Source/mesh.c \
+           ../src/libtess2/Source/priorityq.c \
+           ../src/libtess2/Source/sweep.c \
+           ../src/libtess2/Source/tess.c

cgal/export_nef.pro

@@ -4,7 +4,7 @@ debug: DEFINES += DEBUG
 
 TEMPLATE = app
 
-INCLUDEPATH += ../src
+INCLUDEPATH += ../src ../src/libtess2/Include
 DEPENDPATH += ../src
 
 # Handle custom library location.
@@ -87,23 +87,42 @@ include(../common.pri)
 HEADERS += ../src/cgal.h \
            ../src/cgalutils.h \
            ../src/linalg.h \
+           ../src/grid.h \
            ../src/polyset.h \
            ../src/polyset-utils.h \
-           ../src/printutils.h
+           ../src/printutils.h \
+           ../src/GeometryUtils.h \
+           ../src/libtess2/Include/tesselator.h \
+           ../src/libtess2/Source/bucketalloc.h \
+           ../src/libtess2/Source/dict.h \
+           ../src/libtess2/Source/geom.h \
+           ../src/libtess2/Source/mesh.h \
+           ../src/libtess2/Source/priorityq.h \
+           ../src/libtess2/Source/sweep.h \
+           ../src/libtess2/Source/tess.h
 
 SOURCES += export_nef.cpp \
            ../src/polygon2d.cc \
            ../src/polygon2d-CGAL.cc \
            ../src/CGAL_Nef_polyhedron.cc \
-           ../src/CGAL_Nef_polyhedron_DxfData.cc \
            ../src/cgalutils.cc \
+           ../src/cgalutils-applyops.cc \
            ../src/cgalutils-tess.cc \
            ../src/cgalutils-polyhedron.cc \
            ../src/polyset.cc \
+           ../src/polyset-gl.cc \
+           ../src/GeometryUtils.cc \
            ../src/svg.cc \
+           ../src/grid.cc \
            ../src/node.cc \
            ../src/export.cc \
            ../src/polyset-utils.cc \
            ../src/progress.cc \
            ../src/printutils.cc \
-           ../src/grid.cc
+           ../src/libtess2/Source/bucketalloc.c \
+           ../src/libtess2/Source/dict.c \
+           ../src/libtess2/Source/geom.c \
+           ../src/libtess2/Source/mesh.c \
+           ../src/libtess2/Source/priorityq.c \
+           ../src/libtess2/Source/sweep.c \
+           ../src/libtess2/Source/tess.c

color-schemes/render/beforedawn.json

@@ -5,6 +5,7 @@
 
     "colors" : {
         "background" :         "#333333",
+        "axes-color" :         "#c1c1c1",
         "opencsg-face-front" : "#cccccc",
         "opencsg-face-back" :  "#5563dd",
         "cgal-face-front" :    "#cccccc",

color-schemes/render/deepocean.json

@@ -5,6 +5,7 @@
 
     "colors" : {
         "background" :         "#333333",
+        "axes-color" :         "#c1c1c1",
         "opencsg-face-front" : "#eeeeee",
         "opencsg-face-back" :  "#0babc8",
         "cgal-face-front" :    "#eeeeee",

color-schemes/render/metallic.json

@@ -5,6 +5,7 @@
 
     "colors" : {
         "background" :         "#aaaaff",
+        "axes-color" :         "#222233",
         "opencsg-face-front" : "#ddddff",
         "opencsg-face-back" :  "#dd22dd",
         "cgal-face-front" :    "#ddddff",

color-schemes/render/monotone.json

@@ -6,6 +6,7 @@
 
     "colors" : {
         "background" :         "#ffffe5",
+        "axes-color" :         "#191916",
         "opencsg-face-front" : "#f9d72c",
         "opencsg-face-back" :  "#f9d72c",
         "cgal-face-front" :    "#f9d72c",

color-schemes/render/nature.json

@@ -5,6 +5,7 @@
 
     "colors" : {
         "background" :         "#fafafa",
+        "axes-color" :         "#323232",
         "opencsg-face-front" : "#16a085",
         "opencsg-face-back" :  "#dbf4da",
         "cgal-face-front" :    "#16a085",

color-schemes/render/solarized.json

@@ -5,6 +5,7 @@
 
     "colors" : {
         "background" :         "#fdf6e3",
+        "axes-color" :         "#191816",
         "opencsg-face-front" : "#b58800",
         "opencsg-face-back" :  "#882233",
         "cgal-face-front" :    "#b58800",

color-schemes/render/starnight.json

@@ -5,6 +5,7 @@
 
     "colors" : {
         "background" :         "#000000",
+        "axes-color" :         "#e5e5e5",
         "opencsg-face-front" : "#ffffe0",
         "opencsg-face-back" :  "#00ffff",
         "cgal-face-front" :    "#ffffe0",

color-schemes/render/sunset.json

@@ -5,6 +5,7 @@
 
     "colors" : {
         "background" :         "#aa4444",
+        "axes-color" :         "#220d0d",
         "opencsg-face-front" : "#ffaaaa",
         "opencsg-face-back" :  "#882233",
         "cgal-face-front" :    "#ffaaaa",

color-schemes/render/tomorrow-night.json

@@ -5,6 +5,7 @@
 
     "colors" : {
         "background" :         "#1d1f21",
+        "axes-color" :         "#e8e8e8",
         "opencsg-face-front" : "#81a2be",
         "opencsg-face-back" :  "#de935f",
         "cgal-face-front" :    "#8abeb7",

color-schemes/render/tomorrow.json

@@ -5,6 +5,7 @@
 
     "colors" : {
         "background" :         "#f8f8f8",
+        "axes-color" :         "#181818",
         "opencsg-face-front" : "#4271ae",
         "opencsg-face-back" :  "#f5871f",
         "cgal-face-front" :    "#3e999f",

common.pri

@@ -18,3 +18,4 @@ include(harfbuzz.pri)
 include(freetype.pri)
 include(fontconfig.pri)
 include(scintilla.pri)
+include(c++11.pri)

contrib/appdata.its

@@ -0,0 +1,9 @@
+<!-- Copyright 2013 Richard Hughes <richard@hughsie.com> -->
+<its:rules
+  xmlns:its="http://www.w3.org/2005/11/its"
+  version="1.0">
+  <its:translateRule translate="no" selector="/component"/>
+  <its:translateRule translate="yes"
+    selector="/component/summary |
+              /component/description"/>
+</its:rules>

contrib/scad-mode.el

@@ -1,9 +1,9 @@
-;;; scad-mode.el --- Major mode for editing SCAD files
+;;; scad-mode.el --- A major mode for editing OpenSCAD code
 
-;; Author:     Len Trigg
+;; Author:     Len Trigg, Łukasz Stelmach
 ;; Maintainer: Len Trigg <lenbok@gmail.com>
 ;; Created:    March 2010
-;; Modified:   24 May 2014
+;; Modified:   28 Mar 2015
 ;; Keywords:   languages
 ;; URL:        https://raw.github.com/openscad/openscad/master/contrib/scad-mode.el
 ;; Version:    91.0
@@ -26,11 +26,11 @@
 ;;; Commentary:
 ;;
 ;; This is a major-mode to implement the SCAD constructs and
-;; font-locking for openscad
+;; font-locking for OpenSCAD
 ;;
 ;; If installing manually, insert the following into your emacs startup:
 ;;
-;; (autoload 'scad-mode "scad-mode" "Major mode for editing SCAD code." t)
+;; (autoload 'scad-mode "scad-mode" "A major mode for editing OpenSCAD code." t)
 ;; (add-to-list 'auto-mode-alist '("\\.scad$" . scad-mode))
 ;;
 ;; or
@@ -48,6 +48,8 @@
 ;;;###autoload
 (add-to-list 'auto-mode-alist '("\\.scad$" . scad-mode))
 
+(require 'cc-mode)
+
 (defcustom scad-command
   '"openscad"
   "Path to openscad executable"
@@ -68,30 +70,41 @@
     "str" 
     "lookup" "version" "version_num" "len" "search"
     "dxf_dim" "dxf_cross"                                               ;;dxfdim.cc
+    "norm" "cross"                                                      ;;2014.03
+    "concat" "chr"                                                      ;;2015.03
     )
   "SCAD functions."
   :type 'list
   :group 'scad-font-lock)
 
 (defcustom scad-modules
-  '("child" "children" "echo" "assign" "for" "intersection_for" "if" "else"        ;;control.cc
+  '("children" "echo" "for" "intersection_for" "if" "else"              ;;control.cc
     "cube" "sphere" "cylinder" "polyhedron" "square" "circle" "polygon" ;;primitives.cc
     "scale" "rotate" "translate" "mirror" "multmatrix"                  ;;transform.cc
     "union" "difference" "intersection"                                 ;;csgops.cc
     "render"                                                            ;;render.cc
     "color"                                                             ;;color.cc
     "surface"                                                           ;;surface.cc
-    "dxf_linear_extrude" "linear_extrude"                               ;;linearextrude.cc
-    "dxf_rotate_extrude" "rotate_extrude"                               ;;rotateextrude.cc
-    "import_stl" "import_off" "import_dxf" "import"                     ;;import.cc
+    "linear_extrude"                                                    ;;linearextrude.cc
+    "rotate_extrude"                                                    ;;rotateextrude.cc
+    "import"                                                            ;;import.cc
     "group"                                                             ;;builtin.cc
     "projection"                                                        ;;projection.cc
     "minkowski" "glide" "subdiv" "hull" "resize"                        ;;cgaladv.cc
+    "parent_module"                                                     ;;2014.03
+    "let" "offset" "text"                                               ;;2015.03
     )
   "SCAD modules."
   :type 'list
   :group 'scad-font-lock)
 
+(defcustom scad-deprecated
+  '("child" "assign" "dxf_linear_extrude" "dxf_rotate_extrude" 
+    "import_stl" "import_off" "import_dxf")
+  "SCAD deprecated modules and functions."
+  :type 'list
+  :group 'scad-font-lock)
+
 (defcustom scad-operators
   '("+" "-" "*" "/" "%" 
     "&&" "||" "!" 
@@ -103,9 +116,9 @@
 
 (defvar scad-mode-map
   (let ((map (make-sparse-keymap)))
-    (define-key map "\t" 'scad-indent-line)
     (define-key map [(control c) (control o)] 'scad-open-current-buffer)
     (define-key map [return] 'newline-and-indent)
+    ;;(define-key map [(control c) (control s)] 'c-show-syntactic-information) ;; Debugging info
     map)
   "Keymap for `scad-mode'.")
 
@@ -138,6 +151,7 @@
 (defvar scad-keywords-regexp (regexp-opt scad-keywords 'words))
 (defvar scad-modules-regexp (regexp-opt scad-modules 'words))
 (defvar scad-functions-regexp (regexp-opt scad-functions 'words))
+(defvar scad-deprecated-regexp (regexp-opt scad-deprecated 'words))
 (defvar scad-operators-regexp (regexp-opt scad-operators))
 
 (defvar scad-font-lock-keywords
@@ -149,30 +163,41 @@
     (,scad-keywords-regexp . font-lock-keyword-face)
     (,scad-modules-regexp .  font-lock-builtin-face)
     (,scad-functions-regexp .  font-lock-function-name-face)
+    (,scad-deprecated-regexp .  font-lock-warning-face)
     ;(,scad-operators-regexp .  font-lock-operator-face) ;; This actually looks pretty ugly
     ;("\\(\\<\\S +\\>\\)\\s *(" 1 font-lock-function-name-face t) ;; Seems to override other stuff (e.g. in comments and builtins)
     )
   "Keyword highlighting specification for `scad-mode'.")
+(defconst scad-font-lock-keywords-1 scad-font-lock-keywords)
+(defconst scad-font-lock-keywords-2 scad-font-lock-keywords)
+(defconst scad-font-lock-keywords-3 scad-font-lock-keywords)
 
-;(defvar scad-imenu-generic-expression ...)
-;(defvar scad-outline-regexp ...)
+(defvar scad-indent-style nil
+  "The style of indentation for scad-mode. Defaults to \"k&r\" if
+  nil. If you want to set the style with file local variables use
+  the `c-file-style' variable")
 
+(put 'scad-mode 'c-mode-prefix "scad-")
 ;;;###autoload
-(define-derived-mode scad-mode fundamental-mode "SCAD"
-  "A major mode for editing SCAD files."
-  :syntax-table scad-mode-syntax-table
-  (set (make-local-variable 'font-lock-defaults) '(scad-font-lock-keywords))
-  (set (make-local-variable 'indent-line-function) 'scad-indent-line)
-                                        ;(set (make-local-variable 'imenu-generic-expression) scad-imenu-generic-expression)
-                                        ;(set (make-local-variable 'outline-regexp) scad-outline-regexp)
-  ;; set comment styles for scad mode
-  (set (make-local-variable 'comment-start) "//")
-  (set (make-local-variable 'comment-end) "")
-  (set (make-local-variable 'block-comment-start) "/*")
-  (set (make-local-variable 'block-comment-end) "*/")
+(define-derived-mode scad-mode prog-mode "SCAD"
+  "Major mode for editing OpenSCAD code.
 
-  )
+To see what version of CC Mode you are running, enter `\\[c-version]'.
 
+The hook `c-mode-common-hook' is run with no args at mode
+initialization, then `scad-mode-hook'.
+
+Key bindings:
+\\{scad-mode-map}"
+  (c-initialize-cc-mode)
+  ;; (setq local-abbrev-table scad-mode-abbrev-table
+  ;; 	abbrev-mode t)
+  (use-local-map scad-mode-map)
+  (c-set-offset (quote cpp-macro) 0 nil)
+  (c-basic-common-init 'scad-mode (or scad-indent-style "k&r"))
+  (c-font-lock-init)
+  (c-run-mode-hooks 'c-mode-common-hook 'scad-mode-hook)
+  (c-update-modeline))
 
 ;; From: http://stackoverflow.com/questions/14520073/add-words-for-dynamic-expansion-to-emacs-mode
 (defun scad-prime-dabbrev ()
@@ -181,66 +206,9 @@
     (with-current-buffer (get-buffer-create " *scad words*")
       (scad-mode)
       (insert "module function use include")  ; Explicitly add these -- they're not in the below vars
-      (insert (mapconcat 'identity (append scad-keywords scad-functions scad-modules) " ")))))
+      (insert (mapconcat 'identity (append scad-keywords scad-functions scad-modules scad-deprecated) " ")))))
 (add-hook 'scad-mode-hook 'scad-prime-dabbrev)
 
-
-;;; Indentation, based on http://www.emacswiki.org/emacs/download/actionscript-mode-haas-7.0.el
-
-(defun scad-indent-line ()
-  "Indent current line of SCAD code."
-  (interactive)
-  (let ((savep (> (current-column) (current-indentation)))
-        (indent (max (scad-calculate-indentation) 0)))
-    (if savep
-        (save-excursion (indent-line-to indent))
-      (indent-line-to indent))))
-
-(defun scad-calculate-indentation ()
-  "Return the column to which the current line should be indented."
-  (save-excursion
-    (scad-maybe-skip-leading-close-delim)
-    (let ((pos (point)))
-      (beginning-of-line)
-      (if (not (search-backward-regexp "[^\n\t\r ]" 1 0))
-          0
-        (progn
-          (scad-maybe-skip-leading-close-delim)
-          (+ (current-indentation) (* standard-indent (scad-count-scope-depth (point) pos))))))))
-
-(defun scad-maybe-skip-leading-close-delim ()
-  (beginning-of-line)
-  (forward-to-indentation 0)
-  (if (looking-at "\\s)")
-      (forward-char)
-    (beginning-of-line)))
-
-(defun scad-face-at-point (pos)
-  "Return face descriptor for char at point."
-  (plist-get (text-properties-at pos) 'face))
-
-(defun scad-count-scope-depth (rstart rend)
-  "Return difference between open and close scope delimeters."
-  (save-excursion
-    (goto-char rstart)
-    (let ((open-count 0)
-          (close-count 0)
-          opoint)
-      (while (and (< (point) rend)
-                  (progn (setq opoint (point))
-                         (re-search-forward "\\s)\\|\\s(" rend t)))
-        (if (= opoint (point))
-            (forward-char 1)
-          (cond
-           ;; Don't count if in string or comment.
-           ((scad-face-at-point (- (point) 1)))
-           ((looking-back "\\s)")
-            (setq close-count (+ close-count 1)))
-           ((looking-back "\\s(")
-            (setq open-count (+ open-count 1)))
-           )))
-      (- open-count close-count))))
-
 (defun scad-open-current-buffer ()
   (interactive)
   (call-process scad-command nil 0 nil (buffer-file-name)))

doc/Python-LICENSE.txt

@@ -0,0 +1,259 @@
+Part of OpenSCAD is copied from Python (linalg.cc/hash_floating_point()),
+so the python license is included below. 
+
+----
+
+A. HISTORY OF THE SOFTWARE
+==========================
+
+Python was created in the early 1990s by Guido van Rossum at Stichting
+Mathematisch Centrum (CWI, see http://www.cwi.nl) in the Netherlands
+as a successor of a language called ABC.  Guido remains Python's
+principal author, although it includes many contributions from others.
+
+In 1995, Guido continued his work on Python at the Corporation for
+National Research Initiatives (CNRI, see http://www.cnri.reston.va.us)
+in Reston, Virginia where he released several versions of the
+software.
+
+In May 2000, Guido and the Python core development team moved to
+BeOpen.com to form the BeOpen PythonLabs team.  In October of the same
+year, the PythonLabs team moved to Digital Creations (now Zope
+Corporation, see http://www.zope.com).  In 2001, the Python Software
+Foundation (PSF, see http://www.python.org/psf/) was formed, a
+non-profit organization created specifically to own Python-related
+Intellectual Property.  Zope Corporation is a sponsoring member of
+the PSF.
+
+All Python releases are Open Source (see http://www.opensource.org for
+the Open Source Definition).  Historically, most, but not all, Python
+releases have also been GPL-compatible; the table below summarizes
+the various releases.
+
+    Release         Derived     Year        Owner       GPL-
+                    from                                compatible? (1)
+
+    0.9.0 thru 1.2              1991-1995   CWI         yes
+    1.3 thru 1.5.2  1.2         1995-1999   CNRI        yes
+    1.6             1.5.2       2000        CNRI        no
+    2.0             1.6         2000        BeOpen.com  no
+    1.6.1           1.6         2001        CNRI        yes (2)
+    2.1             2.0+1.6.1   2001        PSF         no
+    2.0.1           2.0+1.6.1   2001        PSF         yes
+    2.1.1           2.1+2.0.1   2001        PSF         yes
+    2.1.2           2.1.1       2002        PSF         yes
+    2.1.3           2.1.2       2002        PSF         yes
+    2.2 and above   2.1.1       2001-now    PSF         yes
+
+Footnotes:
+
+(1) GPL-compatible doesn't mean that we're distributing Python under
+    the GPL.  All Python licenses, unlike the GPL, let you distribute
+    a modified version without making your changes open source.  The
+    GPL-compatible licenses make it possible to combine Python with
+    other software that is released under the GPL; the others don't.
+
+(2) According to Richard Stallman, 1.6.1 is not GPL-compatible,
+    because its license has a choice of law clause.  According to
+    CNRI, however, Stallman's lawyer has told CNRI's lawyer that 1.6.1
+    is "not incompatible" with the GPL.
+
+Thanks to the many outside volunteers who have worked under Guido's
+direction to make these releases possible.
+
+
+B. TERMS AND CONDITIONS FOR ACCESSING OR OTHERWISE USING PYTHON
+===============================================================
+
+PYTHON SOFTWARE FOUNDATION LICENSE VERSION 2
+--------------------------------------------
+
+1. This LICENSE AGREEMENT is between the Python Software Foundation
+("PSF"), and the Individual or Organization ("Licensee") accessing and
+otherwise using this software ("Python") in source or binary form and
+its associated documentation.
+
+2. Subject to the terms and conditions of this License Agreement, PSF hereby
+grants Licensee a nonexclusive, royalty-free, world-wide license to reproduce,
+analyze, test, perform and/or display publicly, prepare derivative works,
+distribute, and otherwise use Python alone or in any derivative version,
+provided, however, that PSF's License Agreement and PSF's notice of copyright,
+i.e., "Copyright (c) 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010,
+2011, 2012, 2013, 2014, 2015 Python Software Foundation; All Rights Reserved"
+are retained in Python alone or in any derivative version prepared by Licensee.
+
+3. In the event Licensee prepares a derivative work that is based on
+or incorporates Python or any part thereof, and wants to make
+the derivative work available to others as provided herein, then
+Licensee hereby agrees to include in any such work a brief summary of
+the changes made to Python.
+
+4. PSF is making Python available to Licensee on an "AS IS"
+basis.  PSF MAKES NO REPRESENTATIONS OR WARRANTIES, EXPRESS OR
+IMPLIED.  BY WAY OF EXAMPLE, BUT NOT LIMITATION, PSF MAKES NO AND
+DISCLAIMS ANY REPRESENTATION OR WARRANTY OF MERCHANTABILITY OR FITNESS
+FOR ANY PARTICULAR PURPOSE OR THAT THE USE OF PYTHON WILL NOT
+INFRINGE ANY THIRD PARTY RIGHTS.
+
+5. PSF SHALL NOT BE LIABLE TO LICENSEE OR ANY OTHER USERS OF PYTHON
+FOR ANY INCIDENTAL, SPECIAL, OR CONSEQUENTIAL DAMAGES OR LOSS AS
+A RESULT OF MODIFYING, DISTRIBUTING, OR OTHERWISE USING PYTHON,
+OR ANY DERIVATIVE THEREOF, EVEN IF ADVISED OF THE POSSIBILITY THEREOF.
+
+6. This License Agreement will automatically terminate upon a material
+breach of its terms and conditions.
+
+7. Nothing in this License Agreement shall be deemed to create any
+relationship of agency, partnership, or joint venture between PSF and
+Licensee.  This License Agreement does not grant permission to use PSF
+trademarks or trade name in a trademark sense to endorse or promote
+products or services of Licensee, or any third party.
+
+8. By copying, installing or otherwise using Python, Licensee
+agrees to be bound by the terms and conditions of this License
+Agreement.
+
+
+BEOPEN.COM LICENSE AGREEMENT FOR PYTHON 2.0
+-------------------------------------------
+
+BEOPEN PYTHON OPEN SOURCE LICENSE AGREEMENT VERSION 1
+
+1. This LICENSE AGREEMENT is between BeOpen.com ("BeOpen"), having an
+office at 160 Saratoga Avenue, Santa Clara, CA 95051, and the
+Individual or Organization ("Licensee") accessing and otherwise using
+this software in source or binary form and its associated
+documentation ("the Software").
+
+2. Subject to the terms and conditions of this BeOpen Python License
+Agreement, BeOpen hereby grants Licensee a non-exclusive,
+royalty-free, world-wide license to reproduce, analyze, test, perform
+and/or display publicly, prepare derivative works, distribute, and
+otherwise use the Software alone or in any derivative version,
+provided, however, that the BeOpen Python License is retained in the
+Software, alone or in any derivative version prepared by Licensee.
+
+3. BeOpen is making the Software available to Licensee on an "AS IS"
+basis.  BEOPEN MAKES NO REPRESENTATIONS OR WARRANTIES, EXPRESS OR
+IMPLIED.  BY WAY OF EXAMPLE, BUT NOT LIMITATION, BEOPEN MAKES NO AND
+DISCLAIMS ANY REPRESENTATION OR WARRANTY OF MERCHANTABILITY OR FITNESS
+FOR ANY PARTICULAR PURPOSE OR THAT THE USE OF THE SOFTWARE WILL NOT
+INFRINGE ANY THIRD PARTY RIGHTS.
+
+4. BEOPEN SHALL NOT BE LIABLE TO LICENSEE OR ANY OTHER USERS OF THE
+SOFTWARE FOR ANY INCIDENTAL, SPECIAL, OR CONSEQUENTIAL DAMAGES OR LOSS
+AS A RESULT OF USING, MODIFYING OR DISTRIBUTING THE SOFTWARE, OR ANY
+DERIVATIVE THEREOF, EVEN IF ADVISED OF THE POSSIBILITY THEREOF.
+
+5. This License Agreement will automatically terminate upon a material
+breach of its terms and conditions.
+
+6. This License Agreement shall be governed by and interpreted in all
+respects by the law of the State of California, excluding conflict of
+law provisions.  Nothing in this License Agreement shall be deemed to
+create any relationship of agency, partnership, or joint venture
+between BeOpen and Licensee.  This License Agreement does not grant
+permission to use BeOpen trademarks or trade names in a trademark
+sense to endorse or promote products or services of Licensee, or any
+third party.  As an exception, the "BeOpen Python" logos available at
+http://www.pythonlabs.com/logos.html may be used according to the
+permissions granted on that web page.
+
+7. By copying, installing or otherwise using the software, Licensee
+agrees to be bound by the terms and conditions of this License
+Agreement.
+
+
+CNRI LICENSE AGREEMENT FOR PYTHON 1.6.1
+---------------------------------------
+
+1. This LICENSE AGREEMENT is between the Corporation for National
+Research Initiatives, having an office at 1895 Preston White Drive,
+Reston, VA 20191 ("CNRI"), and the Individual or Organization
+("Licensee") accessing and otherwise using Python 1.6.1 software in
+source or binary form and its associated documentation.
+
+2. Subject to the terms and conditions of this License Agreement, CNRI
+hereby grants Licensee a nonexclusive, royalty-free, world-wide
+license to reproduce, analyze, test, perform and/or display publicly,
+prepare derivative works, distribute, and otherwise use Python 1.6.1
+alone or in any derivative version, provided, however, that CNRI's
+License Agreement and CNRI's notice of copyright, i.e., "Copyright (c)
+1995-2001 Corporation for National Research Initiatives; All Rights
+Reserved" are retained in Python 1.6.1 alone or in any derivative
+version prepared by Licensee.  Alternately, in lieu of CNRI's License
+Agreement, Licensee may substitute the following text (omitting the
+quotes): "Python 1.6.1 is made available subject to the terms and
+conditions in CNRI's License Agreement.  This Agreement together with
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+unique, persistent identifier (known as a handle): 1895.22/1013.  This
+Agreement may also be obtained from a proxy server on the Internet
+using the following URL: http://hdl.handle.net/1895.22/1013".
+
+3. In the event Licensee prepares a derivative work that is based on
+or incorporates Python 1.6.1 or any part thereof, and wants to make
+the derivative work available to others as provided herein, then
+Licensee hereby agrees to include in any such work a brief summary of
+the changes made to Python 1.6.1.
+
+4. CNRI is making Python 1.6.1 available to Licensee on an "AS IS"
+basis.  CNRI MAKES NO REPRESENTATIONS OR WARRANTIES, EXPRESS OR
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+FOR ANY PARTICULAR PURPOSE OR THAT THE USE OF PYTHON 1.6.1 WILL NOT
+INFRINGE ANY THIRD PARTY RIGHTS.
+
+5. CNRI SHALL NOT BE LIABLE TO LICENSEE OR ANY OTHER USERS OF PYTHON
+1.6.1 FOR ANY INCIDENTAL, SPECIAL, OR CONSEQUENTIAL DAMAGES OR LOSS AS
+A RESULT OF MODIFYING, DISTRIBUTING, OR OTHERWISE USING PYTHON 1.6.1,
+OR ANY DERIVATIVE THEREOF, EVEN IF ADVISED OF THE POSSIBILITY THEREOF.
+
+6. This License Agreement will automatically terminate upon a material
+breach of its terms and conditions.
+
+7. This License Agreement shall be governed by the federal
+intellectual property law of the United States, including without
+limitation the federal copyright law, and, to the extent such
+U.S. federal law does not apply, by the law of the Commonwealth of
+Virginia, excluding Virginia's conflict of law provisions.
+Notwithstanding the foregoing, with regard to derivative works based
+on Python 1.6.1 that incorporate non-separable material that was
+previously distributed under the GNU General Public License (GPL), the
+law of the Commonwealth of Virginia shall govern this License
+Agreement only as to issues arising under or with respect to
+Paragraphs 4, 5, and 7 of this License Agreement.  Nothing in this
+License Agreement shall be deemed to create any relationship of
+agency, partnership, or joint venture between CNRI and Licensee.  This
+License Agreement does not grant permission to use CNRI trademarks or
+trade name in a trademark sense to endorse or promote products or
+services of Licensee, or any third party.
+
+8. By clicking on the "ACCEPT" button where indicated, or by copying,
+installing or otherwise using Python 1.6.1, Licensee agrees to be
+bound by the terms and conditions of this License Agreement.
+
+        ACCEPT
+
+
+CWI LICENSE AGREEMENT FOR PYTHON 0.9.0 THROUGH 1.2
+--------------------------------------------------
+
+Copyright (c) 1991 - 1995, Stichting Mathematisch Centrum Amsterdam,
+The Netherlands.  All rights reserved.
+
+Permission to use, copy, modify, and distribute this software and its
+documentation for any purpose and without fee is hereby granted,
+provided that the above copyright notice appear in all copies and that
+both that copyright notice and this permission notice appear in
+supporting documentation, and that the name of Stichting Mathematisch
+Centrum or CWI not be used in advertising or publicity pertaining to
+distribution of the software without specific, written prior
+permission.
+
+STICHTING MATHEMATISCH CENTRUM DISCLAIMS ALL WARRANTIES WITH REGARD TO
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+FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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+OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.

doc/openscad.1

@@ -82,8 +82,10 @@ If exporting an image, specify the pixel width and height
 If exporting an image, specify whether to use orthographic or perspective 
 projection
 .TP
-.B \-\-colorscheme=[Cornfield|Sunset|Metallic|Starnight|BeforeDawn|Nature|DeepOcean]
+.B \-\-colorscheme=\fIscheme
 If exporting an image, use the specified color scheme for the rendering.
+\fIscheme\fP can be any of \fBCornfield\fP, \fBSunset\fP, \fBMetallic\fP,
+\fBStarnight\fP, \fBBeforeDawn\fP, \fBNature\fP or \fBDeepOcean\fP.
 .TP
 .B \-v, \-\-version
 Show version of program.

doc/patchlevel-checklist.txt

@@ -1,7 +1,6 @@
-Given:
- VERSION (e.g. 2015.03-1)
+Given a version, e.g. 2015.03, and a patchlevel release, e.g. 2015.03-1
 
-o Make sure we have a $VERSION branch. If not, create one
+o Make sure we have a "$VERSION" branch. If not, create one
 
 o Update VERSION and VERSIONDATE in
   openscad.pro
@@ -12,12 +11,17 @@ o Update VERSION and VERSIONDATE in
   
 o git tag "openscad-$VERSION"
 o ./scripts/git-archive-all.py --prefix=openscad-$VERSION/ openscad-$VERSION.src.tar.gz
-o git push --tags $VERSION
+o git push --tags
 o Upload Source package
   $ scp openscad-$VERSION.src.tar.gz openscad@files.openscad.org:www
-o Write short release email to mailing list
-o Tweet as OpenSCAD
-o Notify package managers
+
+o Revert VERSION and VERSIONDATE in openscad.pro scripts/publish-macosx.sh scripts/release-common.sh scripts/publish-mingw-x.sh tests/CMakeLists.txt
+
+o Announce:
+  - ./scripts/github-release.sh $VERSION
+  - Write short release email to mailing list
+  - Tweet as OpenSCAD
+  - Notify package managers
     - Debian/Ubuntu: https://launchpad.net/~chrysn
     - Ubuntu PPA: https://github.com/hyperair
     - Fedora: Miro Hrončok <miro@hroncok.cz> or <mhroncok@redhat.com>

doc/release-checklist.txt

@@ -26,14 +26,13 @@ o scripts/makereleasenotes.sh
 
 o Update version number in doc/openscad.1
 o Update copyright year in AboutDialog.html and mainwin.cc
-o Add VERSION and VERSIONDATE in openscad.pro, scripts/publish-macosx.sh, scripts/release-common.sh
+o Add VERSION and VERSIONDATE in openscad.pro, scripts/publish-macosx.sh, scripts/release-common.sh tests/CMakeLists.txt
 o Add VERSION in tests/CMakeLists.txt, scripts/publish-mingw-x.sh
 
 o Tag release
   git tag "openscad-$VERSION"
 
-o Revert VERSION and VERSIONDATE in
-  openscad.pro, scripts/publish-macosx.sh, scripts/release-common.sh, scripts/publish-mingw-x.sh
+o Revert VERSION and VERSIONDATE in openscad.pro scripts/publish-macosx.sh scripts/release-common.sh scripts/publish-mingw-x.sh tests/CMakeLists.txt
 
 o build source package
   scripts/git-archive-all.py --prefix=openscad-$VERSION/ openscad-$VERSION.src.tar.gz

doc/translation.txt

@@ -50,6 +50,7 @@ files.
    $ make clean && qmake && make
 
 Then run the script to scan the source files, and regenerate .pot & .po files.
+You'll need itstool (http://itstool.org/) installed.
 
    $ ./scripts/translation-update.sh
 

examples/Basics/rotate_extrude.scad

@@ -1,8 +1,8 @@
 echo(version=version());
 
-// rotate_extrude() always rotates the 2D shape 360 degrees
-// around the Z axis. Note that the 2D shape must be either
-// completely on the positive or negative side of the X axis.
+// rotate_extrude() rotates a 2D shape around the Z axis. 
+// Note that the 2D shape must be either completely on the 
+// positive or negative side of the X axis.
 color("red")
     rotate_extrude()
         translate([10, 0])
@@ -23,6 +23,26 @@ color("green")
             polygon( points=[[0,0],[8,4],[4,8],[4,12],[12,16],[0,20]] );
 
 
+// By default rotate_extrude forms a full 360 degree circle, 
+// but a partial rotation can be performed by using the angle parameter.
+// Positive angles create an arc starting from the X axis, going counter-clockwise.
+// Negative angles generate an arc in the clockwise direction.
+color("magenta") 
+  translate([40,40]){
+    rotate_extrude(angle=180)
+      translate([12.5,0])
+        square(5);
+    translate([7.5,0])
+      rotate_extrude(angle=180)
+        translate([5,0])
+          square(5);
+    translate([-7.5,0])
+      rotate_extrude(angle=-180)
+        translate([5,0])
+          square(5);
+  }
+
+
 // Written in 2015 by Torsten Paul <Torsten.Paul@gmx.de>
 //
 // To the extent possible under law, the author(s) have dedicated all

examples/Old/example023.scad

@@ -11,7 +11,9 @@ y_shift=thisFont[0][1];
 hours=["one","two","three","four","five","six","seven","eight","nine","ten","eleven","twelve"];
 
 module clock_hour_words(word_offset=20.0,word_height=2.0) {
-  for(i=[0:(len(hours)-1)]) assign( hourHandAngle=(i+1)*360/len(hours), theseIndicies=search(hours[i],thisFont[2],1,1) ) {
+  for(i=[0:(len(hours)-1)]) {
+    hourHandAngle=(i+1)*360/len(hours);
+    theseIndicies=search(hours[i],thisFont[2],1,1);
     rotate(90-hourHandAngle) translate([word_offset,0])
     for( j=[0:(len(theseIndicies)-1)] ) translate([j*x_shift,-y_shift/2]) {
       linear_extrude(height=word_height) polygon(points=thisFont[2][theseIndicies[j]][6][0],paths=thisFont[2][theseIndicies[j]][6][1]);

glew.pri

@@ -10,7 +10,9 @@ glew {
 
   unix:LIBS += -lGLEW
   CONFIG(mingw-cross-env): {
+    !CONFIG(mingw-cross-env-shared) {
       DEFINES += GLEW_STATIC
+    }
   } else {
     win32:LIBS += -lglew32
   }

glib-2.0.pri

@@ -40,7 +40,7 @@ isEmpty(GLIB2_LIBPATH) {
   GLIB2_LIBS = -L$$GLIB2_LIBPATH -lglib-2.0
 }
 
-CONFIG(mingw-cross-env) {
+CONFIG(mingw-cross-env)|CONFIG(mingw-cross-env-shared) {
   #message("mingw")
   isEmpty(GLIB2_INCLUDEPATH) {
     MXE_TARGET_DIR=$$(MXETARGETDIR)

icons/openscad.desktop

@@ -6,3 +6,4 @@ Icon=openscad
 Exec=openscad %f
 MimeType=application/x-openscad;
 Categories=Graphics;3DGraphics;Engineering;
+Keywords=3d;solid;geometry;csg;model;stl;

locale/cs.po

@@ -936,7 +936,7 @@ msgid "PolySet Cache size"
 msgstr "Velikost PolySet cache"
 
 #: objects/ui_Preferences.h:1158
-msgid "Allow to open multiple documents"
+msgid "Allow opening multiple documents"
 msgstr "Povolit současné otevření více dokumentů"
 
 #: objects/ui_Preferences.h:1159

locale/de.po

@@ -956,7 +956,7 @@ msgid "PolySet Cache size"
 msgstr "PolySet Cache Größe"
 
 #: objects/ui_Preferences.h:1158
-msgid "Allow to open multiple documents"
+msgid "Allow opening multiple documents"
 msgstr "Öffnen von mehreren Dokumenten erlauben"
 
 #: objects/ui_Preferences.h:1159

locale/es.po

@@ -993,7 +993,7 @@ msgid "PolySet Cache size"
 msgstr "Tamaño de cache de PolySet"
 
 #: objects/ui_Preferences.h:1159
-msgid "Allow to open multiple documents"
+msgid "Allow opening multiple documents"
 msgstr "Permitir a abrir varios documentos"
 
 #: objects/ui_Preferences.h:1160

locale/fr.po

@@ -956,7 +956,7 @@ msgid "PolySet Cache size"
 msgstr "Taille du Cache PolySet"
 
 #: objects/ui_Preferences.h:1158
-msgid "Allow to open multiple documents"
+msgid "Allow opening multiple documents"
 msgstr "Autoriser l'ouverture de plusieurs documents"
 
 #: objects/ui_Preferences.h:1159

locale/openscad.pot

@@ -926,7 +926,7 @@ msgid "PolySet Cache size"
 msgstr ""
 
 #: objects/ui_Preferences.h:1158
-msgid "Allow to open multiple documents"
+msgid "Allow opening multiple documents"
 msgstr ""
 
 #: objects/ui_Preferences.h:1159

locale/ru.po

@@ -954,7 +954,7 @@ msgid "PolySet Cache size"
 msgstr "Размер кэша PolySet"
 
 #: objects/ui_Preferences.h:1158
-msgid "Allow to open multiple documents"
+msgid "Allow opening multiple documents"
 msgstr "Разрешить открытие нескольких документов"
 
 #: objects/ui_Preferences.h:1159

mingw-cross-env.pri

@@ -1,4 +1,6 @@
 # cross compilation unix->win32
+# To use static linking, pass CONFIG+=mingw-cross-env to qmake
+# To use shared linking, pass CONFIG+=mingw-cross-env-shared to qmake
 CONFIG(mingw-cross-env) {
   LIBS += mingw-cross-env/lib/libglew32s.a 
   LIBS += mingw-cross-env/lib/libglut.a 
@@ -19,6 +21,17 @@ CONFIG(mingw-cross-env) {
   LIBS += mingw-cross-env/lib/libexpat.a
   LIBS += mingw-cross-env/lib/libintl.a
   LIBS += mingw-cross-env/lib/libiconv.a
+}
+
+CONFIG(mingw-cross-env-shared) {
+  # on MXE, the shared library .dll files are under 'bin' not 'lib'.
+  QMAKE_LFLAGS += -L./mingw-cross-env/bin
+  LIBS += -lglew32 -lglut -lopengl32 -lGLEW -lglu32
+  LIBS += -lopencsg -lmpfr -lgmp -lCGAL 
+  LIBS += -lfontconfig -lfreetype -lharfbuzz -lbz2 -lexpat -lintl -liconv
+}
+
+CONFIG(mingw-cross-env)|CONFIG(mingw-cross-env-shared) {
   QMAKE_CXXFLAGS += -fpermissive
   WINSTACKSIZE = 8388608 # 8MB # github issue 116
   QMAKE_CXXFLAGS += -Wl,--stack,$$WINSTACKSIZE

opencsg.pri

@@ -1,6 +1,5 @@
 opencsg {
   DEFINES += ENABLE_OPENCSG
-  CONFIG += glew
 
   # Optionally specify location of OpenCSG using the 
   # OPENCSGDIR env. variable

openscad.appdata.xml.in

@@ -1,7 +1,9 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<application>
- <id type="desktop">openscad.desktop</id>
- <licence>CC0</licence>
+<component type="desktop">
+ <id>openscad.desktop</id>
+ <metadata_license>CC0-1.0</metadata_license>
+ <project_license>GPL-2.0+ and CC0-1.0</project_license>
+ <name>OpenSCAD</name>
  <summary>The Programmers Solid 3D CAD Modeller</summary>
  <description>
   <p>OpenSCAD is a software for creating solid 3D CAD models. Unlike most free software for creating 3D models (such as Blender) it does not focus on the artistic aspects of 3D modelling but instead on the CAD aspects. Thus it might be the application you are looking for when you are planning to create 3D models of machine parts but pretty sure is not what you are looking for when you are more interested in creating computer-animated movies.</p>
@@ -9,8 +11,12 @@
   <p>OpenSCAD provides two main modelling techniques: First there is constructive solid geometry (aka CSG) and second there is extrusion of 2D outlines. As data exchange format format for this 2D outlines Autocad DXF files are used. In addition to 2D paths for extrusion it is also possible to read design parameters from DXF files. Besides DXF files OpenSCAD can read and create 3D models in the STL and OFF file formats.</p>
  </description>
  <screenshots>
-  <screenshot type="default" width="800" height="437">http://www.openscad.org/images/appdata-screenshot-1.png</screenshot>
-  <screenshot width="800" height="465">http://www.openscad.org/images/appdata-screenshot-2.png</screenshot>
+  <screenshot type="default">
+   <image>http://www.openscad.org/images/appdata-screenshot-1.png</image>
+  </screenshot>
+  <screenshot>
+   <image>http://www.openscad.org/images/appdata-screenshot-2.png</image>
+  </screenshot>
  </screenshots>
  <url type="homepage">http://www.openscad.org/</url>
-</application>
+</component>

openscad.pro

@@ -100,25 +100,8 @@ macx {
   APP_RESOURCES.files = OpenSCAD.sdef dsa_pub.pem icons/SCAD.icns
   QMAKE_BUNDLE_DATA += APP_RESOURCES
   LIBS += -framework Cocoa -framework ApplicationServices
-
-  # Mac needs special care to link against the correct C++ library
-  # We attempt to auto-detect it by inspecting Boost
-  dirs = $${BOOSTDIR} $${QMAKE_LIBDIR}
-  for(dir, dirs) {
-    system(grep -q __112basic_string $${dir}/libboost_thread* >& /dev/null) {
-      message("Detected libc++-linked boost in $${dir}")
-      CONFIG += libc++
-    }
 }
 
-  libc++ {
-    QMAKE_CXXFLAGS += -stdlib=libc++
-    QMAKE_LFLAGS += -stdlib=libc++
-    QMAKE_OBJECTIVE_CFLAGS += -stdlib=libc++
-    # libc++ on requires Mac OS X 10.7+
-    QMAKE_MACOSX_DEPLOYMENT_TARGET = 10.7
-  }
-}
 
 win* {
   RC_FILE = openscad_win32.rc
@@ -135,6 +118,12 @@ mingw* {
 CONFIG += qt
 QT += opengl concurrent
 
+qopenglwidget {
+  !lessThan(QT_VERSION, 5.4) {
+    DEFINES += USE_QOPENGLWIDGET
+  }
+}
+
 # see http://fedoraproject.org/wiki/UnderstandingDSOLinkChange
 # and https://github.com/openscad/openscad/pull/119
 # ( QT += opengl does not automatically link glu on some DSO systems. )
@@ -147,7 +136,6 @@ netbsd* {
    QMAKE_LFLAGS += -L/usr/X11R7/lib
    QMAKE_LFLAGS += -Wl,-R/usr/X11R7/lib
    QMAKE_LFLAGS += -Wl,-R/usr/pkg/lib
-   !clang: { QMAKE_CXXFLAGS += -std=c++0x }
    # FIXME: Can the lines below be removed in favour of the OPENSCAD_LIBDIR handling above?
    !isEmpty(OPENSCAD_LIBDIR) {
      QMAKE_CFLAGS = -I$$OPENSCAD_LIBDIR/include $$QMAKE_CFLAGS
@@ -181,7 +169,6 @@ netbsd* {
   QMAKE_CXXFLAGS_WARN_ON += -Wno-unused-parameter
   QMAKE_CXXFLAGS_WARN_ON += -Wno-unused-variable
   QMAKE_CXXFLAGS_WARN_ON += -Wno-unused-function
-  QMAKE_CXXFLAGS_WARN_ON += -Wno-c++11-extensions
   # gettext
   QMAKE_CXXFLAGS_WARN_ON += -Wno-format-security
   # might want to actually turn this on once in a while
@@ -195,8 +182,10 @@ CONFIG(skip-version-check) {
 
 # Application configuration
 macx:CONFIG += mdi
+#CONFIG += c++11
 CONFIG += cgal
 CONFIG += opencsg
+CONFIG += glew
 CONFIG += boost
 CONFIG += eigen
 CONFIG += glib-2.0
@@ -206,13 +195,19 @@ CONFIG += fontconfig
 CONFIG += gettext
 
 #Uncomment the following line to enable the QScintilla editor
+!nogui {
   CONFIG += scintilla
+}
 
 # Make experimental features available
 experimental {
   DEFINES += ENABLE_EXPERIMENTAL
 }
 
+nogui {
+  DEFINES += OPENSCAD_NOGUI
+}
+
 mdi {
   DEFINES += ENABLE_MDI
 }
@@ -220,7 +215,7 @@ mdi {
 include(common.pri)
 
 # mingw has to come after other items so OBJECT_DIRS will work properly
-CONFIG(mingw-cross-env) {
+CONFIG(mingw-cross-env)|CONFIG(mingw-cross-env-shared) {
   include(mingw-cross-env.pri)
 }
 
@@ -374,6 +369,7 @@ SOURCES += src/version_check.cc \
            src/polyset-utils.cc \
            src/GeometryUtils.cc \
            src/polyset.cc \
+           src/polyset-gl.cc \
            src/csgops.cc \
            src/transform.cc \
            src/color.cc \
@@ -422,6 +418,12 @@ SOURCES += src/version_check.cc \
            src/builtin.cc \
            src/calc.cc \
            src/export.cc \
+           src/export_stl.cc \
+           src/export_amf.cc \
+           src/export_off.cc \
+           src/export_dxf.cc \
+           src/export_svg.cc \
+           src/export_nef.cc \
            src/export_png.cc \
            src/import.cc \
            src/renderer.cc \
@@ -499,6 +501,8 @@ HEADERS += src/cgal.h \
            src/Polygon2d-CGAL.h
 
 SOURCES += src/cgalutils.cc \
+           src/cgalutils-applyops.cc \
+           src/cgalutils-project.cc \
            src/cgalutils-tess.cc \
            src/cgalutils-polyhedron.cc \
            src/CGALCache.cc \

openscad.qrc

@@ -29,7 +29,6 @@
     <file>icons/prefs3DView.png</file>
     <file>icons/prefsEditor.png</file>
     <file>icons/prefsUpdate.png</file>
-    <file>icons/flattr.png</file>
     <file>src/AboutDialog.html</file>
     <file>images/export.png</file>
     <file>images/axes.png</file>

patches/CGAL-OGL_helper-tesscombine.patch

@@ -32,3 +32,11 @@
        gluTessCallback(tess_, GLenum(GLU_TESS_BEGIN),
  		      (GLvoid (CGAL_GLU_TESS_CALLBACK *)(CGAL_GLU_TESS_DOTS)) &beginCallback);
        gluTessCallback(tess_, GLenum(GLU_TESS_END),
+@@ -410,6 +429,7 @@
+       gluTessEndPolygon(tess_);
+       //      CGAL_NEF_TRACEN("End Polygon");
+       gluDeleteTess(tess_);
++      combineCallback(NULL, NULL, NULL, NULL);
+     }
+ 
+     void construct_axes() const

patches/qt5/QTBUG-46846.patch

@@ -0,0 +1,23 @@
+diff --git a/src/widgets/widgets/qlabel.cpp b/src/widgets/widgets/qlabel.cpp
+index 83e94c4..80957e6 100644
+--- a/src/widgets/widgets/qlabel.cpp
++++ b/src/widgets/widgets/qlabel.cpp
+@@ -1076,14 +1076,16 @@ void QLabel::paintEvent(QPaintEvent *)
+     if (d->pixmap && !d->pixmap->isNull()) {
+         QPixmap pix;
+         if (d->scaledcontents) {
+-            if (!d->scaledpixmap || d->scaledpixmap->size() != cr.size()) {
++            QSize scaledSize = cr.size() * devicePixelRatio();
++            if (!d->scaledpixmap || d->scaledpixmap->size() != scaledSize) {
+                 if (!d->cachedimage)
+                     d->cachedimage = new QImage(d->pixmap->toImage());
+                 delete d->scaledpixmap;
+                 QImage scaledImage =
+-                    d->cachedimage->scaled(cr.size() * devicePixelRatio(),
++                    d->cachedimage->scaled(scaledSize,
+                                            Qt::IgnoreAspectRatio, Qt::SmoothTransformation);
+                 d->scaledpixmap = new QPixmap(QPixmap::fromImage(scaledImage));
++                d->scaledpixmap->setDevicePixelRatio(devicePixelRatio());
+             }
+             pix = *d->scaledpixmap;
+         } else

qscintilla2.prf

@@ -10,6 +10,16 @@ INCLUDEPATH += $$[QT_INSTALL_HEADERS]
 
 LIBS += -L$$[QT_INSTALL_LIBS]
 
+QT5LIB=qt5scintilla2
+
+unix:linux* {
+    FEDORA32LIBS=/usr/lib/libqscintilla2-qt5.so
+    FEDORA64LIBS=/usr/lib64/libqscintilla2-qt5.so
+    exists($$FEDORA32LIBS) | exists($$FEDORA64LIBS) {
+        QT5LIB=qscintilla2-qt5
+    }
+}
+
 CONFIG(debug, debug|release) {
     mac: {
 	#LIBS += -lqscintilla2_debug
@@ -19,7 +29,8 @@ CONFIG(debug, debug|release) {
 	    LIBS += -lqscintilla2d
 	} else {
 	    greaterThan(QT_MAJOR_VERSION, 4) {
-		LIBS += -lqt5scintilla2
+		message("Using $$QT5LIB as library name")
+		LIBS += -l$$QT5LIB
 	    } else {
 		LIBS += -lqscintilla2
 	    }
@@ -33,7 +44,8 @@ CONFIG(debug, debug|release) {
         LIBS += -lqscintilla2
       } else {
         greaterThan(QT_MAJOR_VERSION, 4) {
-	    LIBS += -lqt5scintilla2
+	    message("Using $$QT5LIB as library name")
+	    LIBS += -l$$QT5LIB
         } else {
 	    LIBS += -lqscintilla2
         }

releases/2015.03.md

@@ -1,3 +1,39 @@
+## 2015.03-2
+
+**Bugfixes**
+* \#1483 - Fix Z-fighting in Ortho view
+* \#1479 - No check for infinite $fn
+* \#1472 - "nan" in list comprehension causes crash
+* \#452 - rands() fails when the seed is a floating point number
+* \#1407 - Recursive module crash
+* \#1425 - Animate Filename Generation - Duplicate/Missing Filenames
+* \#1420 - expression-evaluation-tests fails on arm64
+* \#1410 - Crash when a polygon contains NaN
+* \#1378 - Linear extrude plus infinite twist causes crash instead of just an error
+* \#1358 - Add more detailed installer information including version number
+* \#1356 - Crash when multiplying matrices with undefined elements
+* \#1350 - Saving file when HD is full ends up in data loss
+* \#1342 - Syntax Highlighting Does Not Work on Linux Mint 17.1
+* \#1337 - Simple detection of script and direction based on given text
+* \#1325 - Crash when polygons with > 3 indices turn out to be degenerate
+* \#1329 - version() returned ```[0,0,0]```
+
+## 2015.03-1
+
+**Bugfixes**
+* \#1203 - Linux: Missing icons on Xfce
+* \#1258 - Occasional crash when exporting STL
+* \#1260 - Minimal window width too large
+* \#1264 - Replace All sometimes caused a hang
+* \#1274 - Fixed some preview bugs on Intel GPUs (OpenCSG 1.4.0)
+* \#1276 - Module recursion sometimes caused a crash
+* \#1277 - Automatic reload sometimes messed up camera position
+* \#1284 - Animation flicker eliminated
+* \#1294 - Support reproducible builds
+* \#1317 - Normals vectors in STL were sometimes 0 0 0
+
+## 2015.03
+
 **Language Features:**
 * Added text() module for 2D text
 * Added offset() module for 2D offsets

releases/2016.XX.md

@@ -0,0 +1,8 @@
+**Language Features:**
+* Added angle parameter to rotate_extrude()
+
+**Program Features:**
+
+**Bugfixes/improvements:**
+
+**Deprecations:**

scintilla.pri

@@ -4,15 +4,37 @@ scintilla {
 
   DEFINES += USE_SCINTILLA_EDITOR
 
+  QSCILOADED =
+  OPENSCAD_LIBDIR = $$(OPENSCAD_LIBRARIES)
+
+  !isEmpty(OPENSCAD_LIBDIR) {
+    exists($$OPENSCAD_LIBDIR) {
+      exists($$OPENSCAD_LIBDIR/lib/x86_64-linux-gnu/qt5/mkspecs/features/qscintilla2.prf) {
+        include($$OPENSCAD_LIBDIR/lib/x86_64-linux-gnu/qt5/mkspecs/features/qscintilla2.prf)
+        INCLUDEPATH = $$OPENSCAD_LIBDIR/include/qt5 $$INCLUDEPATH
+        LIBS = -L$$OPENSCAD_LIBDIR/lib/x86_64-linux-gnu $$LIBS
+        QSCILOADED=yes
+      }
+    }
+  }
+
   # The qscintilla2.prf which ships with QScintilla is broken for Mac/Windows
   # debug builds, so we supply our own
+  isEmpty(QSCILOADED) {
     win32|macx: {
       include(qscintilla2.prf)
+      QSCILOADED=yes
     }
-  else: {
+  }
+
+  isEmpty(QSCILOADED) {
     load(qscintilla2) {
+      QSCILOADED=yes
       # All good, found installed *.prf file.
-    } else {
+    }
+  }
+
+  isEmpty(QSCILOADED) {
     # Older scintilla libs (e.g. 2.7.2 on fedora20) do not provide the
     # prf file.
     #
@@ -21,6 +43,7 @@ scintilla {
     #
     message("Using local copy of qscintilla2.prf instead.")
     include(qscintilla2.prf)
+    QSCILOADED=yes
   }
-  }
+
 }

scripts/builder.sh

@@ -120,6 +120,17 @@ check_nsis()
 	fi
 }
 
+check_zip()
+	if [ ! "`command -v zip`" ]; then
+		echo the zip command was not found. please install zip
+		echo on debian, sudo apt-get install zip
+		exit 1
+	else
+		echo zip found.
+	fi
+}
+
+
 get_openscad_source_code()
 {
 	if [ -d openscad ]; then
@@ -251,7 +262,7 @@ upload_win32()
 	SUMMARY1="Windows x86-32 Snapshot Installer"
 	SUMMARY2="Windows x86-32 Snapshot Zipfile"
 	SUMMARY3="Windows x86-32 Snapshot Tests"
-	BASEDIR=./mingw32/
+	BASEDIR=./mingw32.static/
 	WIN32_PACKAGEFILE1=OpenSCAD-$DATECODE-x86-32-Installer.exe
 	WIN32_PACKAGEFILE2=OpenSCAD-$DATECODE-x86-32.zip
 	WIN32_PACKAGEFILE3=OpenSCAD-Tests-$DATECODE-x86-32.zip
@@ -277,7 +288,7 @@ upload_win64()
 	SUMMARY1="Windows x86-64 Snapshot Zipfile"
 	SUMMARY2="Windows x86-64 Snapshot Installer"
 	SUMMARY3="Windows x86-64 Snapshot Tests"
-	BASEDIR=./mingw64/
+	BASEDIR=./mingw64.static/
 	WIN64_PACKAGEFILE1=OpenSCAD-$DATECODE-x86-64-Installer.exe
 	WIN64_PACKAGEFILE2=OpenSCAD-$DATECODE-x86-64.zip
 	WIN64_PACKAGEFILE3=OpenSCAD-Tests-$DATECODE-x86-64.zip
@@ -409,6 +420,7 @@ main()
 	fi
 	check_starting_path
 	check_nsis
+	check_zip
 	read_username_from_user
 	read_password_from_user
 	get_openscad_source_code

scripts/examples-html/Makefile

@@ -1,17 +1,21 @@
 EXAMPLES := ../../examples
+LOG := out.log
 SRC=$(wildcard $(EXAMPLES)/*/*.scad)
 PNG=$(patsubst $(EXAMPLES)/%.scad,html/%.png,$(SRC))
 HTML=$(patsubst $(EXAMPLES)/%.scad,html/%.html,$(SRC))
 
-OPENSCAD := ../../OpenSCAD.app/Contents/MacOS/OpenSCAD
-#OPENSCAD := openscad
+OPENSCAD := $(shell ls ../../openscad ../../OpenSCAD.app/Contents/MacOS/OpenSCAD 2>/dev/null | head -n 1)
 ARGS := --imgsize=1200,900 --camera=0,0,0,55,0,25,180 --viewall --autocenter
 
-all : $(PNG) $(HTML) example-data.js assets
+all : info $(PNG) $(HTML) example-data.js assets
+
+.PHONY: info
+info:
+	@echo Using $(OPENSCAD)
 
 .PHONY: clean
 clean :
-	rm -rf html
+	rm -rf html $(LOG)
 
 .PHONY: assets
 assets :
@@ -21,7 +25,7 @@ assets :
 example-data.js :
 	( \
 	echo "openscad_examples = ["; \
-	for a in Basics Functions Shapes Extrusion Advanced; \
+	for a in `grep '\[' ../../examples/examples.json | tr -d ' \t":[]'`; \
 	do \
 		echo "  {"; \
 		echo "    name : \"$$a\","; \
@@ -38,7 +42,7 @@ example-data.js :
 
 html/%.png : $(EXAMPLES)/%.scad
 	mkdir -p `dirname $@`
-	$(OPENSCAD) $(ARGS) -o $@ $< > out.log 2>&1
+	$(OPENSCAD) $(ARGS) -o $@ $< > $(LOG) 2>&1
 
 html/%.html : $(EXAMPLES)/%.scad template-pre.html template-post.html
 	#echo $(notdir $(patsubst %.scad,%.png,$<))

scripts/examples-html/assets/css/solarized-light-linenumbers.css

@@ -0,0 +1,20 @@
+.rainbow {
+  border-spacing: 0;
+  border-collapse: collapse;
+}
+.rainbow .line:hover {
+  background-color: #eee8d5;
+}
+.rainbow .line .line-number {
+  text-align: right;
+  background-color: #eee8d5;
+  padding-left: 0.8em;
+  padding-right: 0.8em;
+}
+.rainbow .line .line-number:before {
+  content: attr(data-line-number);
+}
+.rainbow .line .line-code {
+  padding-left: 1em;
+  width: 100%;
+}

scripts/examples-html/assets/js/README

@@ -0,0 +1,14 @@
+JavaScript Libraries:
+
+Rainbow by Craig Campbell
+  * https://github.com/ccampbell/rainbow
+  * Apache License, Version 2.0
+
+Rainbow.linenumbers.js by Blender3D
+  * https://github.com/Blender3D/rainbow.linenumbers.js
+  * Apache License, Version 2.0
+
+Dropdown Menu by Oliver Gast
+  * http://www.olivergast.de/blog/2012/04/18/css3-dropdown-menu/
+  * (update in http://www.olivergast.de/blog/2015/05/12/css-ein-horizontales-dropdown-menue-reloaded/)
+  * No specific license, download states "download for free usage"

scripts/examples-html/assets/js/language/generic.js

@@ -2,7 +2,7 @@
  * Generic language patterns
  *
  * @author Craig Campbell
- * @version 1.0.11
+ * @version 1.0.13
  */
 Rainbow.extend([
     {
@@ -25,7 +25,7 @@ Rainbow.extend([
                 }
             }
         },
-        'pattern': /(\(|\s|\[|\=|:|\+|\.)(('|")([^\\\1]|\\.)*?(\3))/gm
+        'pattern': /(\(|\s|\[|\=|:|\+|\.|\{)(('|")([^\\\1]|\\.)*?(\3))/gm
     },
     {
         'name': 'comment',

scripts/examples-html/assets/js/rainbow.js

@@ -0,0 +1,798 @@
+/**
+ * Copyright 2013 Craig Campbell
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * Rainbow is a simple code syntax highlighter
+ *
+ * @preserve @version 1.2
+ * @url rainbowco.de
+ */
+window['Rainbow'] = (function() {
+
+    /**
+     * array of replacements to process at the end
+     *
+     * @type {Object}
+     */
+    var replacements = {},
+
+        /**
+         * an array of start and end positions of blocks to be replaced
+         *
+         * @type {Object}
+         */
+        replacement_positions = {},
+
+        /**
+         * an array of the language patterns specified for each language
+         *
+         * @type {Object}
+         */
+        language_patterns = {},
+
+        /**
+         * an array of languages and whether they should bypass the default patterns
+         *
+         * @type {Object}
+         */
+        bypass_defaults = {},
+
+        /**
+         * processing level
+         *
+         * replacements are stored at this level so if there is a sub block of code
+         * (for example php inside of html) it runs at a different level
+         *
+         * @type {number}
+         */
+        CURRENT_LEVEL = 0,
+
+        /**
+         * constant used to refer to the default language
+         *
+         * @type {number}
+         */
+        DEFAULT_LANGUAGE = 0,
+
+        /**
+         * used as counters so we can selectively call setTimeout
+         * after processing a certain number of matches/replacements
+         *
+         * @type {number}
+         */
+        match_counter = 0,
+
+        /**
+         * @type {number}
+         */
+        replacement_counter = 0,
+
+        /**
+         * @type {null|string}
+         */
+        global_class,
+
+        /**
+         * @type {null|Function}
+         */
+        onHighlight;
+
+    /**
+     * cross browser get attribute for an element
+     *
+     * @see http://stackoverflow.com/questions/3755227/cross-browser-javascript-getattribute-method
+     *
+     * @param {Node} el
+     * @param {string} attr     attribute you are trying to get
+     * @returns {string|number}
+     */
+    function _attr(el, attr, attrs, i) {
+        var result = (el.getAttribute && el.getAttribute(attr)) || 0;
+
+        if (!result) {
+            attrs = el.attributes;
+
+            for (i = 0; i < attrs.length; ++i) {
+                if (attrs[i].nodeName === attr) {
+                    return attrs[i].nodeValue;
+                }
+            }
+        }
+
+        return result;
+    }
+
+    /**
+     * adds a class to a given code block
+     *
+     * @param {Element} el
+     * @param {string} class_name   class name to add
+     * @returns void
+     */
+    function _addClass(el, class_name) {
+        el.className += el.className ? ' ' + class_name : class_name;
+    }
+
+    /**
+     * checks if a block has a given class
+     *
+     * @param {Element} el
+     * @param {string} class_name   class name to check for
+     * @returns {boolean}
+     */
+    function _hasClass(el, class_name) {
+        return (' ' + el.className + ' ').indexOf(' ' + class_name + ' ') > -1;
+    }
+
+    /**
+     * gets the language for this block of code
+     *
+     * @param {Element} block
+     * @returns {string|null}
+     */
+    function _getLanguageForBlock(block) {
+
+        // if this doesn't have a language but the parent does then use that
+        // this means if for example you have: <pre data-language="php">
+        // with a bunch of <code> blocks inside then you do not have
+        // to specify the language for each block
+        var language = _attr(block, 'data-language') || _attr(block.parentNode, 'data-language');
+
+        // this adds support for specifying language via a css class
+        // you can use the Google Code Prettify style: <pre class="lang-php">
+        // or the HTML5 style: <pre><code class="language-php">
+        if (!language) {
+            var pattern = /\blang(?:uage)?-(\w+)/,
+                match = block.className.match(pattern) || block.parentNode.className.match(pattern);
+
+            if (match) {
+                language = match[1];
+            }
+        }
+
+        return language;
+    }
+
+    /**
+     * makes sure html entities are always used for tags
+     *
+     * @param {string} code
+     * @returns {string}
+     */
+    function _htmlEntities(code) {
+        return code.replace(/</g, '&lt;').replace(/>/g, '&gt;').replace(/&(?![\w\#]+;)/g, '&amp;');
+    }
+
+    /**
+     * determines if a new match intersects with an existing one
+     *
+     * @param {number} start1    start position of existing match
+     * @param {number} end1      end position of existing match
+     * @param {number} start2    start position of new match
+     * @param {number} end2      end position of new match
+     * @returns {boolean}
+     */
+    function _intersects(start1, end1, start2, end2) {
+        if (start2 >= start1 && start2 < end1) {
+            return true;
+        }
+
+        return end2 > start1 && end2 < end1;
+    }
+
+    /**
+     * determines if two different matches have complete overlap with each other
+     *
+     * @param {number} start1   start position of existing match
+     * @param {number} end1     end position of existing match
+     * @param {number} start2   start position of new match
+     * @param {number} end2     end position of new match
+     * @returns {boolean}
+     */
+    function _hasCompleteOverlap(start1, end1, start2, end2) {
+
+        // if the starting and end positions are exactly the same
+        // then the first one should stay and this one should be ignored
+        if (start2 == start1 && end2 == end1) {
+            return false;
+        }
+
+        return start2 <= start1 && end2 >= end1;
+    }
+
+    /**
+     * determines if the match passed in falls inside of an existing match
+     * this prevents a regex pattern from matching inside of a bigger pattern
+     *
+     * @param {number} start - start position of new match
+     * @param {number} end - end position of new match
+     * @returns {boolean}
+     */
+    function _matchIsInsideOtherMatch(start, end) {
+        for (var key in replacement_positions[CURRENT_LEVEL]) {
+            key = parseInt(key, 10);
+
+            // if this block completely overlaps with another block
+            // then we should remove the other block and return false
+            if (_hasCompleteOverlap(key, replacement_positions[CURRENT_LEVEL][key], start, end)) {
+                delete replacement_positions[CURRENT_LEVEL][key];
+                delete replacements[CURRENT_LEVEL][key];
+            }
+
+            if (_intersects(key, replacement_positions[CURRENT_LEVEL][key], start, end)) {
+                return true;
+            }
+        }
+
+        return false;
+    }
+
+    /**
+     * takes a string of code and wraps it in a span tag based on the name
+     *
+     * @param {string} name     name of the pattern (ie keyword.regex)
+     * @param {string} code     block of code to wrap
+     * @returns {string}
+     */
+    function _wrapCodeInSpan(name, code) {
+        return '<span class="' + name.replace(/\./g, ' ') + (global_class ? ' ' + global_class : '') + '">' + code + '</span>';
+    }
+
+    /**
+     * finds out the position of group match for a regular expression
+     *
+     * @see http://stackoverflow.com/questions/1985594/how-to-find-index-of-groups-in-match
+     *
+     * @param {Object} match
+     * @param {number} group_number
+     * @returns {number}
+     */
+    function _indexOfGroup(match, group_number) {
+        var index = 0,
+            i;
+
+        for (i = 1; i < group_number; ++i) {
+            if (match[i]) {
+                index += match[i].length;
+            }
+        }
+
+        return index;
+    }
+
+    /**
+     * matches a regex pattern against a block of code
+     * finds all matches that should be processed and stores the positions
+     * of where they should be replaced within the string
+     *
+     * this is where pretty much all the work is done but it should not
+     * be called directly
+     *
+     * @param {RegExp} pattern
+     * @param {string} code
+     * @returns void
+     */
+    function _processPattern(regex, pattern, code, callback)
+    {
+        if (typeof regex === "undefined" || regex === null) {
+            //console.warn("undefined regular expression")
+            return callback();
+        }
+        var match = regex.exec(code);
+
+        if (!match) {
+            return callback();
+        }
+
+        ++match_counter;
+
+        // treat match 0 the same way as name
+        if (!pattern['name'] && typeof pattern['matches'][0] == 'string') {
+            pattern['name'] = pattern['matches'][0];
+            delete pattern['matches'][0];
+        }
+
+        var replacement = match[0],
+            start_pos = match.index,
+            end_pos = match[0].length + start_pos,
+
+            /**
+             * callback to process the next match of this pattern
+             */
+            processNext = function() {
+                var nextCall = function() {
+                    _processPattern(regex, pattern, code, callback);
+                };
+
+                // every 100 items we process let's call set timeout
+                // to let the ui breathe a little
+                return match_counter % 100 > 0 ? nextCall() : setTimeout(nextCall, 0);
+            };
+
+        // if this is not a child match and it falls inside of another
+        // match that already happened we should skip it and continue processing
+        if (_matchIsInsideOtherMatch(start_pos, end_pos)) {
+            return processNext();
+        }
+
+        /**
+         * callback for when a match was successfully processed
+         *
+         * @param {string} replacement
+         * @returns void
+         */
+        var onMatchSuccess = function(replacement) {
+                // if this match has a name then wrap it in a span tag
+                if (pattern['name']) {
+                    replacement = _wrapCodeInSpan(pattern['name'], replacement);
+                }
+
+                // console.log('LEVEL', CURRENT_LEVEL, 'replace', match[0], 'with', replacement, 'at position', start_pos, 'to', end_pos);
+
+                // store what needs to be replaced with what at this position
+                if (!replacements[CURRENT_LEVEL]) {
+                    replacements[CURRENT_LEVEL] = {};
+                    replacement_positions[CURRENT_LEVEL] = {};
+                }
+
+                replacements[CURRENT_LEVEL][start_pos] = {
+                    'replace': match[0],
+                    'with': replacement
+                };
+
+                // store the range of this match so we can use it for comparisons
+                // with other matches later
+                replacement_positions[CURRENT_LEVEL][start_pos] = end_pos;
+
+                // process the next match
+                processNext();
+            },
+
+            // if this pattern has sub matches for different groups in the regex
+            // then we should process them one at a time by rerunning them through
+            // this function to generate the new replacement
+            //
+            // we run through them backwards because the match position of earlier
+            // matches will not change depending on what gets replaced in later
+            // matches
+            group_keys = keys(pattern['matches']),
+
+            /**
+             * callback for processing a sub group
+             *
+             * @param {number} i
+             * @param {Array} group_keys
+             * @param {Function} callback
+             */
+            processGroup = function(i, group_keys, callback) {
+                if (i >= group_keys.length) {
+                    return callback(replacement);
+                }
+
+                var processNextGroup = function() {
+                        processGroup(++i, group_keys, callback);
+                    },
+                    block = match[group_keys[i]];
+
+                // if there is no match here then move on
+                if (!block) {
+                    return processNextGroup();
+                }
+
+                var group = pattern['matches'][group_keys[i]],
+                    language = group['language'],
+
+                    /**
+                     * process group is what group we should use to actually process
+                     * this match group
+                     *
+                     * for example if the subgroup pattern looks like this
+                     * 2: {
+                     *     'name': 'keyword',
+                     *     'pattern': /true/g
+                     * }
+                     *
+                     * then we use that as is, but if it looks like this
+                     *
+                     * 2: {
+                     *     'name': 'keyword',
+                     *     'matches': {
+                     *          'name': 'special',
+                     *          'pattern': /whatever/g
+                     *      }
+                     * }
+                     *
+                     * we treat the 'matches' part as the pattern and keep
+                     * the name around to wrap it with later
+                     */
+                    process_group = group['name'] && group['matches'] ? group['matches'] : group,
+
+                    /**
+                     * takes the code block matched at this group, replaces it
+                     * with the highlighted block, and optionally wraps it with
+                     * a span with a name
+                     *
+                     * @param {string} block
+                     * @param {string} replace_block
+                     * @param {string|null} match_name
+                     */
+                    _replaceAndContinue = function(block, replace_block, match_name) {
+                        replacement = _replaceAtPosition(_indexOfGroup(match, group_keys[i]), block, match_name ? _wrapCodeInSpan(match_name, replace_block) : replace_block, replacement);
+                        processNextGroup();
+                    };
+
+                // if this is a sublanguage go and process the block using that language
+                if (language) {
+                    return _highlightBlockForLanguage(block, language, function(code) {
+                        _replaceAndContinue(block, code);
+                    });
+                }
+
+                // if this is a string then this match is directly mapped to selector
+                // so all we have to do is wrap it in a span and continue
+                if (typeof group === 'string') {
+                    return _replaceAndContinue(block, block, group);
+                }
+
+                // the process group can be a single pattern or an array of patterns
+                // _processCodeWithPatterns always expects an array so we convert it here
+                _processCodeWithPatterns(block, process_group.length ? process_group : [process_group], function(code) {
+                    _replaceAndContinue(block, code, group['matches'] ? group['name'] : 0);
+                });
+            };
+
+        processGroup(0, group_keys, onMatchSuccess);
+    }
+
+    /**
+     * should a language bypass the default patterns?
+     *
+     * if you call Rainbow.extend() and pass true as the third argument
+     * it will bypass the defaults
+     */
+    function _bypassDefaultPatterns(language)
+    {
+        return bypass_defaults[language];
+    }
+
+    /**
+     * returns a list of regex patterns for this language
+     *
+     * @param {string} language
+     * @returns {Array}
+     */
+    function _getPatternsForLanguage(language) {
+        var patterns = language_patterns[language] || [],
+            default_patterns = language_patterns[DEFAULT_LANGUAGE] || [];
+
+        return _bypassDefaultPatterns(language) ? patterns : patterns.concat(default_patterns);
+    }
+
+    /**
+     * substring replace call to replace part of a string at a certain position
+     *
+     * @param {number} position         the position where the replacement should happen
+     * @param {string} replace          the text we want to replace
+     * @param {string} replace_with     the text we want to replace it with
+     * @param {string} code             the code we are doing the replacing in
+     * @returns {string}
+     */
+    function _replaceAtPosition(position, replace, replace_with, code) {
+        var sub_string = code.substr(position);
+        return code.substr(0, position) + sub_string.replace(replace, replace_with);
+    }
+
+   /**
+     * sorts an object by index descending
+     *
+     * @param {Object} object
+     * @return {Array}
+     */
+    function keys(object) {
+        var locations = [],
+            replacement,
+            pos;
+
+        for(var location in object) {
+            if (object.hasOwnProperty(location)) {
+                locations.push(location);
+            }
+        }
+
+        // numeric descending
+        return locations.sort(function(a, b) {
+            return b - a;
+        });
+    }
+
+    /**
+     * processes a block of code using specified patterns
+     *
+     * @param {string} code
+     * @param {Array} patterns
+     * @returns void
+     */
+    function _processCodeWithPatterns(code, patterns, callback)
+    {
+        // we have to increase the level here so that the
+        // replacements will not conflict with each other when
+        // processing sub blocks of code
+        ++CURRENT_LEVEL;
+
+        // patterns are processed one at a time through this function
+        function _workOnPatterns(patterns, i)
+        {
+            // still have patterns to process, keep going
+            if (i < patterns.length) {
+                return _processPattern(patterns[i]['pattern'], patterns[i], code, function() {
+                    _workOnPatterns(patterns, ++i);
+                });
+            }
+
+            // we are done processing the patterns
+            // process the replacements and update the DOM
+            _processReplacements(code, function(code) {
+
+                // when we are done processing replacements
+                // we are done at this level so we can go back down
+                delete replacements[CURRENT_LEVEL];
+                delete replacement_positions[CURRENT_LEVEL];
+                --CURRENT_LEVEL;
+                callback(code);
+            });
+        }
+
+        _workOnPatterns(patterns, 0);
+    }
+
+    /**
+     * process replacements in the string of code to actually update the markup
+     *
+     * @param {string} code         the code to process replacements in
+     * @param {Function} onComplete   what to do when we are done processing
+     * @returns void
+     */
+    function _processReplacements(code, onComplete) {
+
+        /**
+         * processes a single replacement
+         *
+         * @param {string} code
+         * @param {Array} positions
+         * @param {number} i
+         * @param {Function} onComplete
+         * @returns void
+         */
+        function _processReplacement(code, positions, i, onComplete) {
+            if (i < positions.length) {
+                ++replacement_counter;
+                var pos = positions[i],
+                    replacement = replacements[CURRENT_LEVEL][pos];
+                code = _replaceAtPosition(pos, replacement['replace'], replacement['with'], code);
+
+                // process next function
+                var next = function() {
+                    _processReplacement(code, positions, ++i, onComplete);
+                };
+
+                // use a timeout every 250 to not freeze up the UI
+                return replacement_counter % 250 > 0 ? next() : setTimeout(next, 0);
+            }
+
+            onComplete(code);
+        }
+
+        var string_positions = keys(replacements[CURRENT_LEVEL]);
+        _processReplacement(code, string_positions, 0, onComplete);
+    }
+
+    /**
+     * takes a string of code and highlights it according to the language specified
+     *
+     * @param {string} code
+     * @param {string} language
+     * @param {Function} onComplete
+     * @returns void
+     */
+    function _highlightBlockForLanguage(code, language, onComplete) {
+        var patterns = _getPatternsForLanguage(language);
+        _processCodeWithPatterns(_htmlEntities(code), patterns, onComplete);
+    }
+
+    /**
+     * highlight an individual code block
+     *
+     * @param {Array} code_blocks
+     * @param {number} i
+     * @returns void
+     */
+    function _highlightCodeBlock(code_blocks, i, onComplete) {
+        if (i < code_blocks.length) {
+            var block = code_blocks[i],
+                language = _getLanguageForBlock(block);
+
+            if (!_hasClass(block, 'rainbow') && language) {
+                language = language.toLowerCase();
+
+                _addClass(block, 'rainbow');
+
+                return _highlightBlockForLanguage(block.innerHTML, language, function(code) {
+                    block.innerHTML = code;
+
+                    // reset the replacement arrays
+                    replacements = {};
+                    replacement_positions = {};
+
+                    // if you have a listener attached tell it that this block is now highlighted
+                    if (onHighlight) {
+                        onHighlight(block, language);
+                    }
+
+                    // process the next block
+                    setTimeout(function() {
+                        _highlightCodeBlock(code_blocks, ++i, onComplete);
+                    }, 0);
+                });
+            }
+            return _highlightCodeBlock(code_blocks, ++i, onComplete);
+        }
+
+        if (onComplete) {
+            onComplete();
+        }
+    }
+
+    /**
+     * start highlighting all the code blocks
+     *
+     * @returns void
+     */
+    function _highlight(node, onComplete) {
+
+        // the first argument can be an Event or a DOM Element
+        // I was originally checking instanceof Event but that makes it break
+        // when using mootools
+        //
+        // @see https://github.com/ccampbell/rainbow/issues/32
+        //
+        node = node && typeof node.getElementsByTagName == 'function' ? node : document;
+
+        var pre_blocks = node.getElementsByTagName('pre'),
+            code_blocks = node.getElementsByTagName('code'),
+            i,
+            final_pre_blocks = [],
+            final_code_blocks = [];
+
+        // first loop through all pre blocks to find which ones to highlight
+        // also strip whitespace
+        for (i = 0; i < pre_blocks.length; ++i) {
+
+            // strip whitespace around code tags when they are inside of a pre tag
+            // this makes the themes look better because you can't accidentally
+            // add extra linebreaks at the start and end
+            //
+            // when the pre tag contains a code tag then strip any extra whitespace
+            // for example
+            // <pre>
+            //      <code>var foo = true;</code>
+            // </pre>
+            //
+            // will become
+            // <pre><code>var foo = true;</code></pre>
+            //
+            // if you want to preserve whitespace you can use a pre tag on its own
+            // without a code tag inside of it
+            if (pre_blocks[i].getElementsByTagName('code').length) {
+                pre_blocks[i].innerHTML = pre_blocks[i].innerHTML.replace(/^\s+/, '').replace(/\s+$/, '');
+                continue;
+            }
+
+            // if the pre block has no code blocks then we are going to want to
+            // process it directly
+            final_pre_blocks.push(pre_blocks[i]);
+        }
+
+        // @see http://stackoverflow.com/questions/2735067/how-to-convert-a-dom-node-list-to-an-array-in-javascript
+        // we are going to process all <code> blocks
+        for (i = 0; i < code_blocks.length; ++i) {
+            final_code_blocks.push(code_blocks[i]);
+        }
+
+        _highlightCodeBlock(final_code_blocks.concat(final_pre_blocks), 0, onComplete);
+    }
+
+    /**
+     * public methods
+     */
+    return {
+
+        /**
+         * extends the language pattern matches
+         *
+         * @param {*} language     name of language
+         * @param {*} patterns      array of patterns to add on
+         * @param {boolean|null} bypass      if true this will bypass the default language patterns
+         */
+        extend: function(language, patterns, bypass) {
+
+            // if there is only one argument then we assume that we want to
+            // extend the default language rules
+            if (arguments.length == 1) {
+                patterns = language;
+                language = DEFAULT_LANGUAGE;
+            }
+
+            bypass_defaults[language] = bypass;
+            language_patterns[language] = patterns.concat(language_patterns[language] || []);
+        },
+
+        /**
+         * call back to let you do stuff in your app after a piece of code has been highlighted
+         *
+         * @param {Function} callback
+         */
+        onHighlight: function(callback) {
+            onHighlight = callback;
+        },
+
+        /**
+         * method to set a global class that will be applied to all spans
+         *
+         * @param {string} class_name
+         */
+        addClass: function(class_name) {
+            global_class = class_name;
+        },
+
+        /**
+         * starts the magic rainbow
+         *
+         * @returns void
+         */
+        color: function() {
+
+            // if you want to straight up highlight a string you can pass the string of code,
+            // the language, and a callback function
+            if (typeof arguments[0] == 'string') {
+                return _highlightBlockForLanguage(arguments[0], arguments[1], arguments[2]);
+            }
+
+            // if you pass a callback function then we rerun the color function
+            // on all the code and call the callback function on complete
+            if (typeof arguments[0] == 'function') {
+                return _highlight(0, arguments[0]);
+            }
+
+            // otherwise we use whatever node you passed in with an optional
+            // callback function as the second parameter
+            _highlight(arguments[0], arguments[1]);
+        }
+    };
+}) ();
+
+/**
+ * adds event listener to start highlighting
+ */
+(function() {
+    if (document.addEventListener) {
+        return document.addEventListener('DOMContentLoaded', Rainbow.color, false);
+    }
+    window.attachEvent('onload', Rainbow.color);
+}) ();
+
+// When using Google closure compiler in advanced mode some methods
+// get renamed.  This keeps a public reference to these methods so they can
+// still be referenced from outside this library.
+Rainbow["onHighlight"] = Rainbow.onHighlight;
+Rainbow["addClass"] = Rainbow.addClass;

scripts/examples-html/assets/js/rainbow.linenumbers.js

@@ -0,0 +1,118 @@
+// Only install the plugin if Rainbow is present and has been loaded
+if (window.Rainbow) window.Rainbow.linenumbers = (function(Rainbow) {
+    /**
+     * Splits up a single element into individual lines
+     *
+     * @param {HTMLElement} elem
+     * @returns {Array}
+     */
+    function splitElement(elem) {
+        if (elem.nodeType === 3) {
+            // Just split up the text node
+            return elem.nodeValue.split('\n');
+        }
+
+        // Otherwise, we need to split up the HTML
+        var sourceLines = elem.innerHTML.split('\n');
+        var lines = [];
+        
+        // Wraps each chunk in the parent element. For example:
+        // <b>foo\nbar</b> -> [<b>foo</b>, <b>bar</b>]
+        for (var i = 0; i < sourceLines.length; i++) {
+            // Handles <b>\nbar</b> -> [, <b>bar</b>]
+            if (sourceLines[i] === '') {
+                lines.push('');
+            } else {
+                var wrapper = elem.cloneNode(true);
+                wrapper.innerHTML = sourceLines[i];
+
+                var div = document.createElement('div');
+                div.appendChild(wrapper.cloneNode(true));
+
+                lines.push(div.innerHTML);
+            }
+        }
+
+        return lines;
+    };
+
+    /**
+     * Splits up the element containing highlighted source code
+     * into an array of lines
+     *
+     * @param {HTMLElement} block
+     * @returns {Array}
+     */
+    function splitLines(block) {
+        var lines = [''];
+
+        for (var i = 0; i < block.childNodes.length; i++) {
+            var elemLines = splitElement(block.childNodes[i]);
+
+            // The first element in elemLines is 
+            // a continuation of the previous line
+            lines[lines.length - 1] += elemLines[0];
+
+            // The remaining elements get their own lines
+            for (var j = 1; j < elemLines.length; j++) {
+                lines.push(elemLines[j]);
+            }
+        }
+
+        // Returns the array of lines
+        return lines;
+    };
+    
+    // Callback is called when Rainbow has highlighted a block
+    Rainbow.onHighlight(function(block) {
+        // This addresses an issue when Rainbow.color() is called multiple times.
+        // Since code element is replaced with table element below,
+        // second pass of Rainbow.color() will result in block.parentNode being null.
+        if (!block || !block.parentNode) {
+            return;
+        }
+
+        // Create a table wrapper
+        var table = document.createElement('table');
+        table.className = 'rainbow';
+        table.setAttribute('data-language', block.getAttribute('data-language'));
+        
+        // Split up the lines of the block
+        var lines = splitLines(block);
+        
+        // For each line
+        for (var i = 0; i < lines.length; i++) {
+            var line = lines[i];
+            var index = i + 1;
+            
+            // Create a row
+            var row = table.insertRow(-1);
+            row.className = 'line line-' + index;
+            
+            // Create a cell which displays the line number with CSS
+            var lineNumber = row.insertCell(-1);
+            lineNumber.className = 'line-number';
+            lineNumber.setAttribute('data-line-number', index);
+            
+            // Add in the actual line of source code
+            var code = row.insertCell(-1);
+            code.className = 'line-code';
+
+            // If the line is blank, add a newline to make it copyable.
+            if (line === '') {
+                line = '\n';
+            }
+
+            code.innerHTML = line;
+        }
+
+        // If the block is a <pre> element, its parent is not an element
+        // generated by Rainbow (i.e. it could be <body>). We don't want
+        // to clear this.
+        var parent = (block.nodeName.toLowerCase() === 'pre') ? block : block.parentNode;
+
+        // Clear the parent element and use the table in place of the <code> block
+        parent.innerHTML = '';
+        parent.appendChild(table);
+    });
+})(window.Rainbow);

scripts/examples-html/assets/js/rainbow.linenumbers.min.js

@@ -0,0 +1,2 @@
+window.Rainbow&&(window.Rainbow.linenumbers=function(m){m.onHighlight(function(c){if(c&&c.parentNode){var h=document.createElement("table");h.className="rainbow";h.setAttribute("data-language",c.getAttribute("data-language"));for(var e=[""],d=0;d<c.childNodes.length;d++){var a;a=c.childNodes[d];if(3===a.nodeType)a=a.nodeValue.split("\n");else{for(var b=a.innerHTML.split("\n"),f=[],g=0;g<b.length;g++)if(""===b[g])f.push("");else{var k=a.cloneNode(!0);k.innerHTML=b[g];var l=document.createElement("div");
+l.appendChild(k.cloneNode(!0));f.push(l.innerHTML)}a=f}e[e.length-1]+=a[0];for(b=1;b<a.length;b++)e.push(a[b])}for(d=0;d<e.length;d++)a=e[d],b=d+1,f=h.insertRow(-1),f.className="line line-"+b,g=f.insertCell(-1),g.className="line-number",g.setAttribute("data-line-number",b),b=f.insertCell(-1),b.className="line-code",""===a&&(a="\n"),b.innerHTML=a;c="pre"===c.nodeName.toLowerCase()?c:c.parentNode;c.innerHTML="";c.appendChild(h)}})}(window.Rainbow));

scripts/examples-html/template-pre.html

@@ -6,10 +6,12 @@
         <link rel="stylesheet" href="../assets/css/main.css" type="text/css"/>
         <link rel="stylesheet" href="../assets/css/menu.css" type="text/css" media="screen" />
         <link rel="stylesheet" href="../assets/css/solarized-light.css" type="text/css"/>
+        <link rel="stylesheet" href="../assets/css/solarized-light-linenumbers.css" type="text/css" />
 
         <script src="../example-data.js" type="text/javascript"></script>
         <script src="../assets/js/menu.js" type="text/javascript"></script>
         <script src="../assets/js/rainbow.min.js" type="text/javascript"></script>
+        <script src="../assets/js/rainbow.linenumbers.min.js" type="text/javascript"></script>
         <script src="../assets/js/language/generic.js" type="text/javascript"></script>
         <script src="../assets/js/language/javascript.js" type="text/javascript"></script>
     </head>

scripts/github-release.sh

@@ -4,4 +4,4 @@
 #
 # Requires release.token and releases/<version>.md
 
-curl https://api.github.com/repos/openscad/openscad/releases -H "Authorization: token $(<release.token)" -d "$(./scripts/makereleasejson.py $1)"
+curl https://api.github.com/repos/openscad/openscad/releases -H "Authorization: token $(<release.token>)" -d "$(./scripts/makereleasejson.py $1)"

scripts/installer.nsi

@@ -18,7 +18,13 @@ File /r /x mingw-cross-env color-schemes
 ${registerExtension} "$INSTDIR\openscad.exe" ".scad" "OpenSCAD_File"
 CreateShortCut $SMPROGRAMS\OpenSCAD.lnk $INSTDIR\openscad.exe
 WriteUninstaller $INSTDIR\Uninstall.exe
+# see https://msdn.microsoft.com/en-us/library/aa372105(v=vs.85).aspx
 WriteRegStr HKLM "Software\Microsoft\Windows\CurrentVersion\Uninstall\OpenSCAD" "DisplayName" "OpenSCAD (remove only)"
+WriteRegStr HKLM "Software\Microsoft\Windows\CurrentVersion\Uninstall\OpenSCAD" "DisplayVersion" "${VERSION}"
+WriteRegStr HKLM "Software\Microsoft\Windows\CurrentVersion\Uninstall\OpenSCAD" "Publisher" "The OpenSCAD Developers"
+WriteRegStr HKLM "Software\Microsoft\Windows\CurrentVersion\Uninstall\OpenSCAD" "URLInfoAbout" "http://www.openscad.org/"
+WriteRegStr HKLM "Software\Microsoft\Windows\CurrentVersion\Uninstall\OpenSCAD" "URLUpdateInfo" "http://www.openscad.org/downloads.html"
+WriteRegStr HKLM "Software\Microsoft\Windows\CurrentVersion\Uninstall\OpenSCAD" "HelpLink" "http://forum.openscad.org/"
 WriteRegStr HKLM "Software\Microsoft\Windows\CurrentVersion\Uninstall\OpenSCAD" "UninstallString" "$INSTDIR\Uninstall.exe"
 WriteRegStr HKCR ".scad" "PerceivedType" "text"
 SectionEnd

scripts/macosx-build-dependencies.sh

@@ -6,7 +6,8 @@
 # 
 # This script must be run from the OpenSCAD source root directory
 #
-# Usage: macosx-build-dependencies.sh [-6lcd] [<package>]
+# Usage: macosx-build-dependencies.sh [-16lcdf] [<package>]
+#  -3   Build using C++03 and libstdc++ (default is C++11 and libc++)
 #  -6   Build only 64-bit binaries
 #  -l   Force use of LLVM compiler
 #  -c   Force use of clang compiler
@@ -31,36 +32,38 @@ OPTION_CLANG=false
 OPTION_GCC=false
 OPTION_DEPLOY=false
 OPTION_FORCE=0
+OPTION_CXX11=true
 
 PACKAGES=(
-    "eigen 3.2.4"
-    "gmp 5.1.3"
-    "mpfr 3.1.2"
-    "boost 1.57.0"
-    "qt5 5.4.1"
-    "qscintilla 2.8.4"
     # NB! For eigen, also update the path in the function
+    "eigen 3.2.6"
+    "gmp 5.1.3"
+    "mpfr 3.1.3"
+    "boost 1.59.0"
+    "qt5 5.5.1"
+    "qscintilla 2.8.4"
     # NB! For CGAL, also update the actual download URL in the function
-    "cgal 4.5.2"
-    "glew 1.12.0"
-    "gettext 0.19.4"
+    "cgal 4.6.3"
+    "glew 1.13.0"
+    "gettext 0.19.6"
     "libffi 3.2.1"
-    "glib2 2.42.1"
+    "glib2 2.46.1"
     "opencsg 1.4.0"
-    "freetype 2.5.5"
+    "freetype 2.6.1"
     "ragel 6.9"
-    "harfbuzz 0.9.37"
+    "harfbuzz 1.0.6"
     "libxml2 2.9.2"
     "fontconfig 2.11.1"
 )
 DEPLOY_PACKAGES=(
-    "sparkle Cocoanetics:1e7dcb1a48b96d1a8c62100b5864bd50211cbae1"
+    "sparkle 1.11.0"
 )
 
 printUsage()
 {
-  echo "Usage: $0 [-6lcd] [<package>]"
+  echo "Usage: $0 [-36lcdf] [<package>]"
   echo
+  echo "  -3   Build using C++03 and libstdc++"
   echo "  -6   Build only 64-bit binaries"
   echo "  -l   Force use of LLVM compiler"
   echo "  -c   Force use of clang compiler"
@@ -221,15 +224,20 @@ build_qt5()
   fi
   tar xzf qt-everywhere-opensource-src-$version.tar.gz
   cd qt-everywhere-opensource-src-$version
-  ./configure -prefix $DEPLOYDIR -release -opensource -confirm-license \
+  patch -d qtbase -p1 < $OPENSCADDIR/patches/qt5/QTBUG-46846.patch
+  if ! $USING_CXX11; then
+    QT_EXTRA_FLAGS="-no-c++11"
+  fi
+  CXXFLAGS="$CXXSTDFLAGS" ./configure -prefix $DEPLOYDIR $QT_EXTRA_FLAGS -release -opensource -confirm-license \
 		-nomake examples -nomake tests \
-		-no-xcb -no-c++11 -no-glib -no-harfbuzz -no-sql-db2 -no-sql-ibase -no-sql-mysql -no-sql-oci -no-sql-odbc \
+		-no-xcb -no-glib -no-harfbuzz -no-sql-db2 -no-sql-ibase -no-sql-mysql -no-sql-oci -no-sql-odbc \
 		-no-sql-psql -no-sql-sqlite2 -no-sql-tds -no-cups -no-qml-debug \
 		-skip activeqt -skip connectivity -skip declarative -skip doc \
 		-skip enginio -skip graphicaleffects -skip location -skip multimedia \
 		-skip quick1 -skip quickcontrols -skip script -skip sensors -skip serialport \
-		-skip svg -skip webkit -skip webkit-examples -skip websockets -skip xmlpatterns
-  make -j"$NUMCPU" install
+		-skip svg -skip webkit -skip webkit-examples -skip websockets -skip xmlpatterns -skip qtwebchannel
+  make -j"$NUMCPU" 
+  make install
 }
 
 check_qscintilla()
@@ -248,7 +256,7 @@ build_qscintilla()
   fi
   tar xzf QScintilla-gpl-$version.tar.gz
   cd QScintilla-gpl-$version/Qt4Qt5
-  qmake qscintilla.pro
+  qmake QMAKE_CXXFLAGS+="$CXXSTDFLAGS" QMAKE_LFLAGS+="$CXXSTDFLAGS" qscintilla.pro
   make -j6 install
   install_name_tool -id $DEPLOYDIR/lib/libqscintilla2.dylib $DEPLOYDIR/lib/libqscintilla2.dylib
 }
@@ -321,7 +329,7 @@ EOF
   if $OPTION_32BIT; then
     mkdir build-i386
     cd build-i386
-    ../configure --prefix=$DEPLOYDIR/i386 "CFLAGS=-mmacosx-version-min=$MAC_OSX_VERSION_MIN -arch i386" LDFLAGS="-mmacosx-version-min=$MAC_OSX_VERSION_MIN -arch i386" ABI=32 --enable-cxx
+    ../configure --prefix=$DEPLOYDIR/i386 CXXFLAGS="$CXXSTDFLAGS" CFLAGS="-mmacosx-version-min=$MAC_OSX_VERSION_MIN -arch i386" LDFLAGS="$LDSTDFLAGS -mmacosx-version-min=$MAC_OSX_VERSION_MIN -arch i386" ABI=32 --enable-cxx
     make install
     cd ..
   fi
@@ -329,7 +337,7 @@ EOF
   # 64-bit version
   mkdir build-x86_64
   cd build-x86_64
-  ../configure --prefix=$DEPLOYDIR/x86_64 "CFLAGS=-mmacosx-version-min=$MAC_OSX_VERSION_MIN -arch x86_64" LDFLAGS="-mmacosx-version-min=$MAC_OSX_VERSION_MIN -arch x86_64" ABI=64 --enable-cxx
+  ../configure --prefix=$DEPLOYDIR/x86_64 CXXFLAGS="$CXXSTDFLAGS" CFLAGS="-mmacosx-version-min=$MAC_OSX_VERSION_MIN -arch x86_64" LDFLAGS="$LDSTDFLAGS -mmacosx-version-min=$MAC_OSX_VERSION_MIN -arch x86_64" ABI=64 --enable-cxx
   make install
 
   # merge
@@ -434,7 +442,7 @@ build_boost()
     BOOST_TOOLSET="toolset=clang"
     echo "using clang ;" >> tools/build/user-config.jam 
   fi
-  ./b2 -j"$NUMCPU" -d+2 $BOOST_TOOLSET cflags="-mmacosx-version-min=$MAC_OSX_VERSION_MIN -arch x86_64 $BOOST_EXTRA_FLAGS" linkflags="-mmacosx-version-min=$MAC_OSX_VERSION_MIN -arch x86_64 $BOOST_EXTRA_FLAGS -headerpad_max_install_names" install
+  ./b2 -j"$NUMCPU" -d+2 $BOOST_TOOLSET cflags="-mmacosx-version-min=$MAC_OSX_VERSION_MIN -arch x86_64 $BOOST_EXTRA_FLAGS $CXXSTDFLAGS" linkflags="-mmacosx-version-min=$MAC_OSX_VERSION_MIN -arch x86_64 $BOOST_EXTRA_FLAGS $LDSTDFLAGS -headerpad_max_install_names" install
   install_name_tool -id $DEPLOYDIR/lib/libboost_thread.dylib $DEPLOYDIR/lib/libboost_thread.dylib 
   install_name_tool -change libboost_system.dylib $DEPLOYDIR/lib/libboost_system.dylib $DEPLOYDIR/lib/libboost_thread.dylib 
   install_name_tool -change libboost_chrono.dylib $DEPLOYDIR/lib/libboost_chrono.dylib $DEPLOYDIR/lib/libboost_thread.dylib 
@@ -460,8 +468,9 @@ build_cgal()
   cd $BASEDIR/src
   rm -rf CGAL-$version
   if [ ! -f CGAL-$version.tar.gz ]; then
-    # 4.5.2
-    curl -O https://gforge.inria.fr/frs/download.php/file/34512/CGAL-$version.tar.gz
+    # 4.6.3
+    curl -O https://gforge.inria.fr/frs/download.php/file/35138/CGAL-$version.tar.gz
+    # 4.5.2 curl -O https://gforge.inria.fr/frs/download.php/file/34512/CGAL-$version.tar.gz
     # 4.5.1 curl -O https://gforge.inria.fr/frs/download.php/file/34400/CGAL-$version.tar.gz
     # 4.5 curl -O https://gforge.inria.fr/frs/download.php/file/34149/CGAL-$version.tar.gz
     # 4.4 curl -O https://gforge.inria.fr/frs/download.php/file/33525/CGAL-$version.tar.gz
@@ -480,7 +489,7 @@ build_cgal()
   if $OPTION_32BIT; then
     CGAL_EXTRA_FLAGS=";i386"
   fi
-  cmake -DCMAKE_INSTALL_PREFIX=$DEPLOYDIR -DGMP_INCLUDE_DIR=$DEPLOYDIR/include -DGMP_LIBRARIES=$DEPLOYDIR/lib/libgmp.dylib -DGMPXX_LIBRARIES=$DEPLOYDIR/lib/libgmpxx.dylib -DGMPXX_INCLUDE_DIR=$DEPLOYDIR/include -DMPFR_INCLUDE_DIR=$DEPLOYDIR/include -DMPFR_LIBRARIES=$DEPLOYDIR/lib/libmpfr.dylib -DWITH_CGAL_Qt3=OFF -DWITH_CGAL_Qt4=OFF -DWITH_CGAL_ImageIO=OFF -DBUILD_SHARED_LIBS=TRUE -DCMAKE_OSX_DEPLOYMENT_TARGET="$MAC_OSX_VERSION_MIN" -DCMAKE_OSX_ARCHITECTURES="x86_64$CGAL_EXTRA_FLAGS" -DBOOST_ROOT=$DEPLOYDIR -DBoost_USE_MULTITHREADED=false
+  CXXFLAGS="$CXXSTDFLAGS" cmake -DCMAKE_INSTALL_PREFIX=$DEPLOYDIR -DGMP_INCLUDE_DIR=$DEPLOYDIR/include -DGMP_LIBRARIES=$DEPLOYDIR/lib/libgmp.dylib -DGMPXX_LIBRARIES=$DEPLOYDIR/lib/libgmpxx.dylib -DGMPXX_INCLUDE_DIR=$DEPLOYDIR/include -DMPFR_INCLUDE_DIR=$DEPLOYDIR/include -DMPFR_LIBRARIES=$DEPLOYDIR/lib/libmpfr.dylib -DWITH_CGAL_Qt3=OFF -DWITH_CGAL_Qt4=OFF -DWITH_CGAL_ImageIO=OFF -DBUILD_SHARED_LIBS=TRUE -DCMAKE_OSX_DEPLOYMENT_TARGET="$MAC_OSX_VERSION_MIN" -DCMAKE_OSX_ARCHITECTURES="x86_64$CGAL_EXTRA_FLAGS" -DBOOST_ROOT=$DEPLOYDIR -DBoost_USE_MULTITHREADED=false
   make -j"$NUMCPU" install
   make install
   install_name_tool -id $DEPLOYDIR/lib/libCGAL.dylib $DEPLOYDIR/lib/libCGAL.dylib
@@ -533,7 +542,7 @@ build_opencsg()
   if $OPTION_32BIT; then
     OPENCSG_EXTRA_FLAGS="x86"
   fi
-  qmake -r QMAKE_CXXFLAGS+="-I$DEPLOYDIR/include" QMAKE_LFLAGS+="-L$DEPLOYDIR/lib" CONFIG+="x86_64 $OPENCSG_EXTRA_FLAGS" DESTDIR=$DEPLOYDIR
+  qmake -r QMAKE_CXXFLAGS+="-I$DEPLOYDIR/include $CXXSTDFLAGS" QMAKE_LFLAGS+="-L$DEPLOYDIR/lib $LDSTDFLAGS" CONFIG+="x86_64 $OPENCSG_EXTRA_FLAGS" DESTDIR=$DEPLOYDIR
   make install
 }
 
@@ -567,6 +576,7 @@ build_eigen()
   elif [ $version = "3.2.2" ]; then EIGENDIR=eigen-eigen-1306d75b4a21;
   elif [ $version = "3.2.3" ]; then EIGENDIR=eigen-eigen-36fd1ba04c12;
   elif [ $version = "3.2.4" ]; then EIGENDIR=eigen-eigen-10219c95fe65;
+  elif [ $version = "3.2.6" ]; then EIGENDIR=eigen-eigen-c58038c56923;
   fi
 
   if [ $EIGENDIR = "none" ]; then
@@ -587,7 +597,7 @@ build_eigen()
   if $OPTION_32BIT; then
     EIGEN_EXTRA_FLAGS=";i386"
   fi
-  cmake -DCMAKE_INSTALL_PREFIX=$DEPLOYDIR -DEIGEN_TEST_NOQT=TRUE -DCMAKE_OSX_DEPLOYMENT_TARGET="$MAC_OSX_VERSION_MIN" -DCMAKE_OSX_ARCHITECTURES="x86_64$EIGEN_EXTRA_FLAGS" ..
+  CXXFLAGS="$CXXSTDFLAGS" cmake -DCMAKE_INSTALL_PREFIX=$DEPLOYDIR -DEIGEN_TEST_NOQT=TRUE -DCMAKE_OSX_DEPLOYMENT_TARGET="$MAC_OSX_VERSION_MIN" -DCMAKE_OSX_ARCHITECTURES="x86_64$EIGEN_EXTRA_FLAGS" ..
   make -j"$NUMCPU" install
 }
 
@@ -596,35 +606,51 @@ check_sparkle()
     check_file lib/Sparkle.framework/Sparkle
 }
 
-# Usage: build_sparkle <githubuser>:<commitID>
+# Usage:
+#   build_sparkle <githubuser>:<commitID>
+#   build_sparkle <version>
+
 build_sparkle()
 {
-  v=$1
-  github=${1%%:*}  # Cut at first colon
-  version=${1#*:}  # cut until first colon
-
-  echo "Building Sparkle" $version "..."
-
-  # Let Sparkle use the default compiler
-  unset CC
-  unset CXX
-
+# Binary install:
+  version=$1
   cd $BASEDIR/src
   rm -rf Sparkle-$version
   if [ ! -f Sparkle-$version.zip ]; then
-      curl -o Sparkle-$version.zip https://nodeload.github.com/$github/Sparkle/zip/$version
+    curl -LO https://github.com/sparkle-project/Sparkle/releases/download/$version/Sparkle-$version.tar.bz2
   fi
-  unzip -q Sparkle-$version.zip
+  mkdir Sparkle-$version
   cd Sparkle-$version
-  patch -p1 < $OPENSCADDIR/patches/sparkle.patch
-  if $OPTION_32BIT; then
-    SPARKLE_EXTRA_FLAGS="-arch i386"
-  fi
-  xcodebuild clean
-  xcodebuild -arch x86_64 $SPARKLE_EXTRA_FLAGS
-  rm -rf $DEPLOYDIR/lib/Sparkle.framework
-  cp -Rf build/Release/Sparkle.framework $DEPLOYDIR/lib/ 
-  install_name_tool -id $DEPLOYDIR/lib/Sparkle.framework/Versions/A/Sparkle $DEPLOYDIR/lib/Sparkle.framework/Sparkle
+  tar xjf ../Sparkle-$version.tar.bz2
+  cp -Rf Sparkle.framework $DEPLOYDIR/lib/ 
+
+# Build from source:
+#  v=$1
+#  github=${1%%:*}  # Cut at first colon
+#  version=${1#*:}  # cut until first colon
+#
+#  echo "Building Sparkle" $version "..."
+#
+#  # Let Sparkle use the default compiler
+#  unset CC
+#  unset CXX
+#
+#  cd $BASEDIR/src
+#  rm -rf Sparkle-$version
+#  if [ ! -f Sparkle-$version.zip ]; then
+#      curl -o Sparkle-$version.zip https://nodeload.github.com/$github/Sparkle/zip/$version
+#  fi
+#  unzip -q Sparkle-$version.zip
+#  cd Sparkle-$version
+#  patch -p1 < $OPENSCADDIR/patches/sparkle.patch
+#  if $OPTION_32BIT; then
+#    SPARKLE_EXTRA_FLAGS="-arch i386"
+#  fi
+#  xcodebuild clean
+#  xcodebuild -arch x86_64 $SPARKLE_EXTRA_FLAGS
+#  rm -rf $DEPLOYDIR/lib/Sparkle.framework
+#  cp -Rf build/Release/Sparkle.framework $DEPLOYDIR/lib/ 
+#  Install_name_tool -id $DEPLOYDIR/lib/Sparkle.framework/Versions/A/Sparkle $DEPLOYDIR/lib/Sparkle.framework/Sparkle
 }
 
 check_freetype()
@@ -815,7 +841,7 @@ build_harfbuzz()
   # disable doc directories as they make problems on Mac OS Build
   sed -e "s/SUBDIRS = src util test docs/SUBDIRS = src util test/g" Makefile.am > Makefile.am.bak && mv Makefile.am.bak Makefile.am
   sed -e "s/^docs.*$//" configure.ac > configure.ac.bak && mv configure.ac.bak configure.ac
-  PKG_CONFIG_LIBDIR="$DEPLOYDIR/lib/pkgconfig" ./autogen.sh --prefix="$DEPLOYDIR" --with-freetype=yes --with-gobject=no --with-cairo=no --with-icu=no CFLAGS=-mmacosx-version-min=$MAC_OSX_VERSION_MIN CXXFLAGS=-mmacosx-version-min=$MAC_OSX_VERSION_MIN LDFLAGS=-mmacosx-version-min=$MAC_OSX_VERSION_MIN $extra_config_flags
+  PKG_CONFIG_LIBDIR="$DEPLOYDIR/lib/pkgconfig" ./autogen.sh --prefix="$DEPLOYDIR" --with-freetype=yes --with-gobject=no --with-cairo=no --with-icu=no CFLAGS=-mmacosx-version-min=$MAC_OSX_VERSION_MIN CXXFLAGS="$CXXFLAGS -mmacosx-version-min=$MAC_OSX_VERSION_MIN" LDFLAGS="$CXXFLAGS -mmacosx-version-min=$MAC_OSX_VERSION_MIN" $extra_config_flags
   make -j$NUMCPU
   make install
 }
@@ -826,9 +852,10 @@ if [ ! -f $OPENSCADDIR/openscad.pro ]; then
 fi
 OPENSCAD_SCRIPTDIR=$PWD/scripts
 
-while getopts '6lcdf' c
+while getopts '36lcdf' c
 do
   case $c in
+    3) USING_CXX11=false;;
     6) OPTION_32BIT=false;;
     l) OPTION_LLVM=true;;
     c) OPTION_CLANG=true;;
@@ -841,7 +868,9 @@ done
 OPTION_PACKAGES="${@:$OPTIND}"
 
 OSX_VERSION=`sw_vers -productVersion | cut -d. -f2`
-if (( $OSX_VERSION >= 10 )); then
+if (( $OSX_VERSION >= 11 )); then
+  echo "Detected El Capitan (10.11) or later"
+elif (( $OSX_VERSION >= 10 )); then
   echo "Detected Yosemite (10.10) or later"
 elif (( $OSX_VERSION >= 9 )); then
   echo "Detected Mavericks (10.9)"
@@ -885,6 +914,14 @@ elif $USING_CLANG; then
   export CXX=clang++
 fi
 
+if $USING_CXX11; then
+  export CXXSTDFLAGS="-std=c++11 -stdlib=libc++"
+  export LDSTDFLAGS="-stdlib=libc++"
+else
+  export CXXSTDFLAGS="-std=c++03 -stdlib=libstdc++"
+  export LDSTDFLAGS="-stdlib=libstdc++"
+fi
+
 echo "Building for $MAC_OSX_VERSION_MIN or later"
 
 if [ ! $NUMCPU ]; then
@@ -917,6 +954,7 @@ fi
 
 # Build specified (or all) packages
 ALL_PACKAGES=$(all_packages)
+echo $ALL_PACKAGES
 if [ -z "$OPTION_PACKAGES" ]; then
   OPTION_PACKAGES=$ALL_PACKAGES
 fi

scripts/macosx-sanity-check.py

@@ -20,6 +20,8 @@ import re
 
 DEBUG = False
 
+cxxlib = None
+
 def usage():
     print >> sys.stderr, "Usage: " + sys.argv[0] + " <executable>"
     sys.exit(1)
@@ -29,6 +31,11 @@ def usage():
 def lookup_library(file):
     found = None
     if not re.match("/", file):
+        if re.search("@rpath", file):
+            file = re.sub("^@rpath", lc_rpath, file)
+            if os.path.exists(file): found = file
+            if DEBUG: print "Lib in @rpath found: " + str(file)
+        if (not found):
             if re.search("@executable_path", file):
                 abs = re.sub("^@executable_path", executable_path, file)
                 if os.path.exists(abs): found = abs
@@ -63,10 +70,15 @@ def find_dependencies(file):
     deps = output.split('\n')
     for dep in deps:
         # print dep
-        # Fail if anything is linked with libc++, as that's not backwards compatible
-        # with Mac OS X 10.6
-        if re.search("libc\+\+", dep):
-            print "Error: clang's libc++ is used by " + file
+        # Fail if libstc++ and libc++ was mixed
+        global cxxlib
+        match = re.search("lib(std)?c\+\+", dep)
+        if match:
+            if not cxxlib:
+                cxxlib = match.group(0)
+            else:
+                if cxxlib != match.group(0):
+                    print "Error: Mixing libc++ and libstdc++"
                     return None
         dep = re.sub(".*:$", "", dep) # Take away header line
         dep = re.sub("^\t", "", dep) # Remove initial tabs
@@ -110,6 +122,18 @@ if __name__ == '__main__':
     executable = sys.argv[1]
     if DEBUG: print "Processing " + executable
     executable_path = os.path.dirname(executable)
+
+    # Find the Runpath search path (LC_RPATH)
+    p  = subprocess.Popen(["otool", "-l", executable], stdout=subprocess.PIPE)
+    output = p.communicate()[0]
+    if p.returncode != 0: 
+        print 'Error otool -l failed on main executable'
+        sys.exit(1)
+    # Check deployment target
+    m = re.search("LC_RPATH\n(.*)\n\s+path ([^ ]+)", output, re.MULTILINE)
+    lc_rpath = m.group(2)
+    if DEBUG: print 'Runpath search path: ' + lc_rpath
+
     # processed is a dict {libname : [parents]} - each parent is dependant on libname
     processed = {}
     pending = [executable]
@@ -118,17 +142,18 @@ if __name__ == '__main__':
         dep = pending.pop()
         if DEBUG: print "Evaluating " + dep
         deps = find_dependencies(dep)
+#        if DEBUG: print "Deps: " + ' '.join(deps)
         assert(deps)
         for d in deps:
             absfile = lookup_library(d)
-            if not re.match(executable_path, absfile):
-                print "Error: External dependency " + d
-                sys.exit(1)
             if absfile == None:
                 print "Not found: " + d
                 print "  ..required by " + str(processed[dep])
                 error = True
                 continue
+            if not re.match(executable_path, absfile):
+                print "Error: External dependency " + d
+                sys.exit(1)
             if absfile in processed:
                 processed[absfile].append(dep)
             else: 

scripts/mingw-x-build-dependencies.sh

@@ -20,8 +20,21 @@
 #
 # Also see http://en.wikibooks.org/wiki/OpenSCAD_User_Manual/Cross-compiling_for_Windows_on_Linux_or_Mac_OS_X
 #
-# Also note the 64 bit is built on the branch of mxe by Tony Theodore
-# which hasnt been merged to official mxe as of writing
+# Notes:
+#
+# Originally this was based on Tony Theodore's branch of MXE, which is now
+# integrated into official MXE.
+#
+# Targets:
+#
+# MXE allows 4 separate targets with the MXE_TARGETS environment variable.
+# As of 2015 shared are not guaranteed to work.
+#
+# 64 bit static linked libraries MXE_TARGETS=x86_64-w64-mingw32.static
+# 32 bit static linked libraries MXE_TARGETS=i686-w64-mingw32.static
+# 64 bit shared libraries        MXE_TARGETS=x86_64-w64-mingw32.shared
+# 32 bit shared libraries        MXE_TARGETS=i686-w64-mingw32.shared
+#
 
 OPENSCADDIR=$PWD
 if [ ! -f $OPENSCADDIR/openscad.pro ]; then

scripts/release-common.sh

@@ -72,16 +72,17 @@ elif [[ $OSTYPE == "linux-gnu" ]]; then
   echo "Detected build-machine ARCH: $ARCH"
 fi
 
-if [ "`echo $* | grep mingw32`" ]; then
+if [ "`echo $* | grep mingw`" ]; then
   OS=UNIX_CROSS_WIN
   ARCH=32
-  echo Mingw-cross build using ARCH=32
-fi
-
+  MXELIBTYPE=static
   if [ "`echo $* | grep mingw64`" ]; then
-  OS=UNIX_CROSS_WIN
     ARCH=64
-  echo Mingw-cross build using ARCH=64
+  fi
+  if [ "`echo $* | grep shared`" ]; then
+    MXELIBTYPE=shared
+  fi
+  echo Mingw-cross build using ARCH=$ARCH MXELIBTYPE=$MXELIBTYPE
 fi
 
 if [ "`echo $* | grep snapshot`" ]; then
@@ -188,7 +189,7 @@ case $OS in
         TARGET=release
         ;;
     UNIX_CROSS_WIN)
-        . ./scripts/setenv-mingw-xbuild.sh $ARCH
+        . ./scripts/setenv-mingw-xbuild.sh $ARCH $MXELIBTYPE
         TARGET=release
         ZIP="zip"
         ZIPARGS="-r -q"
@@ -198,7 +199,12 @@ esac
 
 case $OS in
     UNIX_CROSS_WIN)
-        cd $DEPLOYDIR && qmake VERSION=$VERSION OPENSCAD_COMMIT=$OPENSCAD_COMMIT CONFIG+="$CONFIG" CONFIG+=mingw-cross-env CONFIG-=debug ../openscad.pro
+        cd $DEPLOYDIR
+        MINGWCONFIG=mingw-cross-env
+        if [ $MXELIBTYPE = "shared" ]; then
+          MINGWCONFIG=mingw-cross-env-shared
+        fi
+        qmake VERSION=$VERSION OPENSCAD_COMMIT=$OPENSCAD_COMMIT CONFIG+="$CONFIG" CONFIG+=$MINGWCONFIG CONFIG-=debug ../openscad.pro
         cd $OPENSCADDIR
     ;;
     *)
@@ -425,9 +431,78 @@ case $OS in
         INSTFILE=$DEPLOYDIR/OpenSCAD-$VERSION-x86-$ARCH-Installer.exe
 
         #package
+        if [ $MXELIBTYPE = "shared" ]; then
+          flprefix=$DEPLOYDIR/mingw-cross-env/bin
+          echo Copying dlls for shared library build
+          echo from $flprefix
+          echo to $DEPLOYDIR/$TARGET
+          flist=
+          # fl="$fl opengl.dll" # use Windows version?
+          # fl="$fl libmpfr.dll" # does not exist
+          fl="$fl libgmp-10.dll"
+          fl="$fl libgmpxx-4.dll"
+          fl="$fl libboost_filesystem-mt.dll"
+          fl="$fl libboost_program_options-mt.dll"
+          fl="$fl libboost_regex-mt.dll"
+          fl="$fl libboost_chrono-mt.dll"
+          fl="$fl libboost_system-mt.dll"
+          fl="$fl libboost_thread_win32-mt.dll"
+          fl="$fl libCGAL.dll"
+          fl="$fl libCGAL_Core.dll"
+          fl="$fl GLEW.dll"
+          fl="$fl libglib-2.0-0.dll"
+          fl="$fl libopencsg-1.dll"
+          fl="$fl libharfbuzz-0.dll"
+          # fl="$fl libharfbuzz-gobject-0.dll" # ????
+          fl="$fl libfontconfig-1.dll"
+          fl="$fl libexpat-1.dll"
+          fl="$fl libbz2.dll"
+          fl="$fl libintl-8.dll"
+          fl="$fl libiconv-2.dll"
+          fl="$fl libfreetype-6.dll"
+          fl="$fl libpcre16-0.dll"
+          fl="$fl zlib1.dll"
+          fl="$fl libpng16-16.dll"
+          fl="$fl icudt54.dll"
+          fl="$fl icudt.dll"
+          fl="$fl icuin.dll"
+          fl="$fl libstdc++-6.dll"
+          fl="$fl ../qt5/lib/qscintilla2.dll"
+          fl="$fl ../qt5/bin/Qt5PrintSupport.dll"
+          fl="$fl ../qt5/bin/Qt5Core.dll"
+          fl="$fl ../qt5/bin/Qt5Gui.dll"
+          fl="$fl ../qt5/bin/Qt5OpenGL.dll"
+          #  fl="$fl ../qt5/bin/QtSvg4.dll" # why is this here?
+          fl="$fl ../qt5/bin/Qt5Widgets.dll"
+          fl="$fl ../qt5/bin/Qt5PrintSupport.dll"
+          fl="$fl ../qt5/bin/Qt5PrintSupport.dll"
+          for dllfile in $fl; do
+            if [ -e $flprefix/$dllfile ]; then
+                echo $flprefix/$dllfile
+                cp $flprefix/$dllfile $DEPLOYDIR/$TARGET/
+            else
+                echo cannot find $flprefix/$dllfile
+                echo stopping build.
+                exit 1
+            fi
+          done
+        fi
+
+        echo "Copying main binary .exe, .com, and dlls"
+        echo "from $DEPLOYDIR/$TARGET"
+        echo "to $DEPLOYDIR/openscad-$VERSION"
+        TMPTAR=$DEPLOYDIR/tmpmingw.$ARCH.$MXELIBTYPE.tar
+        cd $DEPLOYDIR
+        cd $TARGET
+        tar cvf $TMPTAR --exclude=winconsole.o .
+        cd $DEPLOYDIR
+        cd ./openscad-$VERSION
+        tar xvf $TMPTAR
+        cd $DEPLOYDIR
+        rm -f $TMPTAR
+
+
         echo "Creating binary zip package"
-        cp $TARGET/openscad.exe openscad-$VERSION
-        cp $TARGET/openscad.com openscad-$VERSION
         rm -f OpenSCAD-$VERSION.x86-$ARCH.zip
         "$ZIP" $ZIPARGS $BINFILE openscad-$VERSION
         cd $OPENSCADDIR
@@ -443,8 +518,8 @@ case $OS in
         cd $DEPLOYDIR/openscad-$VERSION
         NSISDEBUG=-V2
         # NSISDEBUG=      # leave blank for full log
-        echo $MAKENSIS $NSISDEBUG installer.nsi
-        $MAKENSIS $NSISDEBUG installer.nsi
+        echo $MAKENSIS $NSISDEBUG "-DVERSION=$VERSION" installer.nsi
+        $MAKENSIS $NSISDEBUG "-DVERSION=$VERSION" installer.nsi
         cp $DEPLOYDIR/openscad-$VERSION/openscad_setup.exe $INSTFILE
         cd $OPENSCADDIR
 
@@ -528,7 +603,7 @@ if [ $BUILD_TESTS ]; then
         # while copying.
         rm -f ./ostests.tar
        	for subdir in tests testdata libraries examples doc; do
-          tar prvf ./ostests.tar --exclude=.git* --exclude=*/mingw64/* --exclude=*/mingw32/* --exclude=*.cc.obj --exclude=*.a $subdir
+          tar prvf ./ostests.tar --exclude=.git* --exclude=*/mingw* --exclude=*.cc.obj --exclude=*.a $subdir
         done
         cd $DEPLOYDIR
         tar prvf $OPENSCADDIR/ostests.tar --exclude=.git* --exclude=*/mingw* --exclude=*.cc.obj --exclude=*.a $TESTBINDIR

scripts/setenv-mingw-xbuild.sh

@@ -5,7 +5,9 @@
 # Usage:
 #
 #  source ./scripts/setenv-mingw-xbuild.sh           # 32 bit build
+#  source ./scripts/setenv-mingw-xbuild.sh shared    # 32 bit build, shared libs
 #  source ./scripts/setenv-mingw-xbuild.sh 64        # 64 bit build
+#  source ./scripts/setenv-mingw-xbuild.sh 64 shared # 64 bit build, shared libs
 #  source ./scripts/setenv-mingw-xbuild.sh clean     # Clean up exported variables
 #  source ./scripts/setenv-mingw-xbuild.sh qt5       # use qt5 (experimental)
 #
@@ -22,8 +24,14 @@ if [ ! $BASEDIR ]; then
 	BASEDIR=$HOME/openscad_deps
 fi
 
-DEPLOYDIR64=$OPENSCADDIR/mingw64
-DEPLOYDIR32=$OPENSCADDIR/mingw32
+MXELIBTYPE=static
+if [ "`echo $* | grep shared `" ]; then
+	MXELIBTYPE=shared
+fi
+
+
+DEPLOYDIR64=$OPENSCADDIR/mingw64.$MXELIBTYPE
+DEPLOYDIR32=$OPENSCADDIR/mingw32.$MXELIBTYPE
 
 if [ ! $DEPLOYDIR ]; then
 	if [ "`echo $* | grep 64 `" ]; then
@@ -39,6 +47,11 @@ if [ ! $MXEDIR ]; then
 	else
 		MXEDIR=$BASEDIR/mxe
 	fi
+	if [ ! -e $MXEDIR ]; then
+		if [ -e /opt/mxe ]; then
+			MXEDIR=/opt/mxe
+		fi
+	fi
 fi
 
 if [ ! $MXEQTSUBDIR ]; then
@@ -56,9 +69,9 @@ if [ ! -e $DEPLOYDIR ]; then
 fi
 
 if [ "`echo $* | grep 64 `" ]; then
-	MXETARGETDIR=$MXEDIR/usr/x86_64-w64-mingw32.static
+	MXETARGETDIR=$MXEDIR/usr/x86_64-w64-mingw32.$MXELIBTYPE
 else
-	MXETARGETDIR=$MXEDIR/usr/i686-w64-mingw32.static
+	MXETARGETDIR=$MXEDIR/usr/i686-w64-mingw32.$MXELIBTYPE
 fi
 
 if [ ! $MINGWX_SAVED_ORIGINAL_PATH ]; then
@@ -91,6 +104,7 @@ export OPENSCAD_LIBRARIES
 export BASEDIR
 export MXEDIR
 export MXETARGETDIR
+export MXELIBTYPE
 export DEPLOYDIR
 export PATH
 export MINGWX_SAVED_ORIGINAL_PATH
@@ -100,6 +114,7 @@ echo OPENSCAD_LIBRARIES: $OPENSCAD_LIBRARIES
 echo BASEDIR: $BASEDIR
 echo MXEDIR: $MXEDIR
 echo MXETARGETDIR: $MXETARGETDIR
+echo MXELIBTYPE: $MXELIBTYPE
 echo DEPLOYDIR: $DEPLOYDIR
 echo MXEQTSUBDIR: $MXEQTSUBDIR
 if [ "`echo $* | grep clean`" ]; then

scripts/translation-update.sh

@@ -25,6 +25,9 @@ updatepot()
 	| awk '{ printf "#: examples/examples.json:%d\nmsgid %s\nmsgstr \"\"\n\n", $1, $2 }' \
 	> ./locale/json-strings.pot
 
+ # extract strings from appdata file
+ itstool -o ./locale/appdata-strings.pot ./openscad.appdata.xml.in --its=./contrib/appdata.its
+
  VER=`date +"%Y.%m.%d"`
  OPTS=
  OPTS=$OPTS' --package-name=OpenSCAD'
@@ -41,7 +44,7 @@ updatepot()
   exit 1
  fi
 
- cmd="${GETTEXT_PATH}msgcat -o ./locale/openscad.pot ./locale/openscad-tmp.pot ./locale/json-strings.pot"
+ cmd="${GETTEXT_PATH}msgcat -o ./locale/openscad.pot ./locale/openscad-tmp.pot ./locale/json-strings.pot ./locale/appdata-strings.pot"
  echo $cmd
  $cmd
  if [ ! $? = 0 ]; then
@@ -50,7 +53,7 @@ updatepot()
  fi
 
  sed -e s/"CHARSET"/"UTF-8"/g ./locale/openscad.pot > ./locale/openscad.pot.new && mv ./locale/openscad.pot.new ./locale/openscad.pot
- rm -f ./locale/json-strings.pot ./locale/openscad-tmp.pot
+ rm -f ./locale/json-strings.pot ./locale/openscad-tmp.pot ./locale/appdata-strings.pot
 }
 
 updatepo()
@@ -80,6 +83,26 @@ updatemo()
    exit 1
   fi
  done
+
+ if which itstool > /dev/null 2>&1; then
+  # ugly workaround for bug https://bugs.freedesktop.org/show_bug.cgi?id=90937
+  for LANGCODE in `cat locale/LINGUAS | grep -v "#"`; do
+   ln -s openscad.mo ./locale/$LANGCODE/LC_MESSAGES/$LANGCODE.mo
+  done
+
+  # generate translated appdata file
+  itstool -j ./openscad.appdata.xml.in -o ./openscad.appdata.xml ./locale/*/LC_MESSAGES/[a-z][a-z].mo
+
+  # clean the mess
+  for LANGCODE in `cat locale/LINGUAS | grep -v "#"`; do
+   unlink ./locale/$LANGCODE/LC_MESSAGES/$LANGCODE.mo
+  done
+ else
+  if [ x"$(uname -s)" = x"Linux" ]; then
+   echo "itstool missing, won't apply translations to openscad.appdata.xml"
+  fi
+  cp -f ./openscad.appdata.xml.in ./openscad.appdata.xml
+ fi
 }
 
 GETTEXT_PATH=""

scripts/travis-ci.sh

@@ -1,5 +1,8 @@
 #!/bin/bash
 
+qmake CONFIG+=experimental CONFIG+=nogui
+make
+
 cd tests
 cmake . 
 if [[ $? != 0 ]]; then

scripts/uni-build-dependencies.sh

@@ -79,10 +79,22 @@ check_env()
 detect_glu()
 {
   detect_glu_result=
-  if [ -e $DEPLOYDIR/include/GL/glu.h ]; then detect_glu_result=1; fi
-  if [ -e /usr/include/GL/glu.h ]; then detect_glu_result=1; fi
-  if [ -e /usr/local/include/GL/glu.h ]; then detect_glu_result=1; fi
-  if [ -e /usr/pkg/X11R7/include/GL/glu.h ]; then detect_glu_result=1; fi
+  if [ -e $DEPLOYDIR/include/GL/glu.h ]; then
+    detect_glu_include=$DEPLOYDIR/include
+    detect_glu_result=1;
+  fi
+  if [ -e /usr/include/GL/glu.h ]; then
+    detect_glu_include=/usr/include
+    detect_glu_result=1;
+  fi
+  if [ -e /usr/local/include/GL/glu.h ]; then
+    detect_glu_include=/usr/local/include
+    detect_glu_result=1;
+  fi
+  if [ -e /usr/pkg/X11R7/include/GL/glu.h ]; then
+    detect_glu_include=/usr/pkg/X11R7/include
+    detect_glu_result=1;
+  fi
   return
 }
 
@@ -178,7 +190,11 @@ build_qt5scintilla2()
   tar xzf QScintilla-gpl-$version.tar.gz
   cd QScintilla-gpl-$version/Qt4Qt5/
   qmake CONFIG+=staticlib
-  make -j"$NUMCPU" install
+  tmpinstalldir=$DEPLOYDIR/tmp/qsci$version
+  INSTALL_ROOT=$tmpinstalldir make -j"$NUMCPU" install
+  cp -av $tmpinstalldir/usr/share $DEPLOYDIR/
+  cp -av $tmpinstalldir/usr/include $DEPLOYDIR/
+  cp -av $tmpinstalldir/usr/lib $DEPLOYDIR/
 }
 
 build_bison()
@@ -505,10 +521,20 @@ build_opencsg()
   cp opencsg.pro opencsg.pro.bak
   cat opencsg.pro.bak | sed s/example// > opencsg.pro
 
+  detect_glu
+  GLU_INCLUDE=$detect_glu_include
+  if [ ! $detect_glu_result ]; then
+    build_glu 9.0.0
+  fi
+
   if [ "`command -v qmake-qt4`" ]; then
     OPENCSG_QMAKE=qmake-qt4
   elif [ "`command -v qmake4`" ]; then
     OPENCSG_QMAKE=qmake4
+  elif [ "`command -v qmake-qt5`" ]; then
+    OPENCSG_QMAKE=qmake-qt5
+  elif [ "`command -v qmake5`" ]; then
+    OPENCSG_QMAKE=qmake5
   elif [ "`command -v qmake`" ]; then
     OPENCSG_QMAKE=qmake
   else
@@ -518,15 +544,18 @@ build_opencsg()
     cp src/Makefile src/Makefile.bak
 
     cat Makefile.bak | sed s/example// |sed s/glew// > Makefile
-    cat src/Makefile.bak | sed s@^INCPATH.*@INCPATH\ =\ -I$BASEDIR/include\ -I../include\ -I..\ -I.@ > src/Makefile
+    cat src/Makefile.bak | sed s@^INCPATH.*@INCPATH\ =\ -I$BASEDIR/include\ -I../include\ -I..\ -I$GLU_INCLUDE -I.@ > src/Makefile
     cp src/Makefile src/Makefile.bak2
     cat src/Makefile.bak2 | sed s@^LIBS.*@LIBS\ =\ -L$BASEDIR/lib\ -L/usr/X11R6/lib\ -lGLU\ -lGL@ > src/Makefile
     tmp=$version
-    detect_glu
-    if [ ! $detect_glu_result ]; then build_glu 9.0.0 ; fi
     version=$tmp
   fi
 
+  if [ ! $OPENCSG_QMAKE = "make" ]; then
+    OPENCSG_QMAKE=$OPENCSG_QMAKE' "QMAKE_CXXFLAGS+=-I'$GLU_INCLUDE'"'
+  fi
+  echo OPENCSG_QMAKE: $OPENCSG_QMAKE
+
   cd $BASEDIR/src/OpenCSG-$version/src
   $OPENCSG_QMAKE
 
@@ -776,6 +805,11 @@ if [ $1 ]; then
     build_gettext 0.18.3.1
     exit $?
   fi
+  if [ $1 = "harfbuzz" ]; then
+    # debian 7 lacks only harfbuzz
+    build_harfbuzz 0.9.23 --with-glib=yes
+    exit $?
+  fi
   if [ $1 = "glib2" ]; then
     # such a huge build, put here by itself
     build_pkgconfig 0.28

scripts/uni-get-dependencies.sh

@@ -4,13 +4,24 @@
 # this assumes you have sudo installed and running, or are running as root.
 #
 
-get_fedora_deps()
+get_fedora_deps_yum()
 {
  yum -y install qt5-qtbase-devel bison flex eigen3-devel harfbuzz-devel \
   fontconfig-devel freetype-devel \
   boost-devel mpfr-devel gmp-devel glew-devel CGAL-devel gcc gcc-c++ pkgconfig \
   opencsg-devel git libXmu-devel curl imagemagick ImageMagick glib2-devel make \
-  xorg-x11-server-Xvfb gettext
+  xorg-x11-server-Xvfb gettext qscintilla-devel qscintilla-qt5-devel \
+  mesa-dri-drivers
+}
+
+get_fedora_deps_dnf()
+{
+ dnf -y install qt5-qtbase-devel bison flex eigen3-devel harfbuzz-devel \
+  fontconfig-devel freetype-devel \
+  boost-devel mpfr-devel gmp-devel glew-devel CGAL-devel gcc gcc-c++ pkgconfig \
+  opencsg-devel git libXmu-devel curl ImageMagick glib2-devel make \
+  xorg-x11-server-Xvfb gettext qscintilla-devel qscintilla-qt5-devel \
+  mesa-dri-drivers
 }
 
 get_qomo_deps()
@@ -43,8 +54,13 @@ get_netbsd_deps()
 get_opensuse_deps()
 {
  zypper install libeigen3-devel mpfr-devel gmp-devel boost-devel \
-  libqt4-devel glew-devel cmake git bison flex cgal-devel opencsg-devel curl \
-  glib2-devel gettext
+  libqt4-devel glew-devel cmake git bison flex cgal-devel curl \
+  glib2-devel gettext freetype-devel harfbuzz-devel libqscintilla-devel \
+  xvfb-run imagemagick opencsg-devel
+  echo if you are missing opencsg, please add the -graphics- repository
+  echo find your version from cat /etc/issue, then replace it below, then run
+  echo " zypper ar -f http://download.opensuse.org/repositories/graphics/openSUSE_13.2 graphics"
+  echo " zypper install opencsg-devel"
 }
 
 get_mageia_deps()
@@ -58,12 +74,78 @@ get_mageia_deps()
 get_debian_deps()
 {
  apt-get -y install \
-  build-essential curl libffi-dev qtbase5-dev libqt5scintilla2-dev \
+  build-essential curl libffi-dev \
   libxmu-dev cmake bison flex git-core libboost-all-dev \
   libXi-dev libmpfr-dev libboost-dev libglew-dev \
   libeigen3-dev libcgal-dev libopencsg-dev libgmp3-dev libgmp-dev \
   imagemagick libfontconfig-dev libfreetype6-dev \
-  libharfbuzz-dev gtk-doc-tools libglib2.0-dev gettext
+  gtk-doc-tools libglib2.0-dev gettext xvfb pkg-config ragel
+}
+
+get_debian_7_deps()
+{
+  get_debian_deps
+  apt-get -y install libqt4-dev libqscintilla2-dev
+  echo "debian 7 detected"
+  echo "please build harfbuzz & see the README on building dependencies"
+  echo ". ./scripts/setenv-unibuild.sh"
+  echo "./scripts/uni-build-dependencies.sh harfbuzz"
+}
+
+get_qt4or5_deps_debian()
+{
+  # debian 8 can have both qt4 and qt5 installed... or neither. figure out which
+  # and cater to it.
+  useqt=5
+
+  if [ "`dpkg --list | grep qt5-default`" ]; then
+    useqt=5
+  elif [ "`dpkg --list | grep qt4-default`" ]; then
+    useqt=4
+  elif [ "`echo QT_SELECT | grep ^4`" ]; then
+    useqt=4
+  elif [ "`echo QT_SELECT | grep qt4`" ]; then
+    useqt=4
+  elif [ "`echo QT_SELECT | grep ^5`" ]; then
+    useqt=5
+  elif [ "`echo QT_SELECT | grep qt5`" ]; then
+    useqt=5
+  elif [ ! "`command -v qtchooser`" ]; then
+    useqt=5
+  elif [ "`qtchooser -l | grep qt5`" ]; then
+    useqt=5
+  elif [ ! "`qtchooser -l | grep qt4`" ]; then
+    useqt=5
+  elif [ ! "`command -v qmake`" ]; then
+    useqt=5
+  elif [ "`qmake --version | grep -i qt.version.4`" ]; then
+    useqt=4
+  fi
+
+  if [ $useqt = 5 ]; then
+    apt-get -y install qtbase5-dev libqt5scintilla2-dev libqt5opengl5-dev qt5-qmake
+  else
+    apt-get -y install libqt4-dev libqscintilla2-dev libqt4-opengl-dev
+  fi
+  if [ ! "`command -v qmake`" ]; then
+    apt-get -y install qt$useqt-default
+    echo "installed qt$useqt-default to enable qmake"
+  elif [ ! "`qmake --version | grep qmake.version`" ]; then
+    apt-get -y install qt$useqt-default
+    echo "installed qt$useqt-default to enable qmake"
+  fi
+}
+
+get_debian_8_deps()
+{
+  apt-get -y install libharfbuzz-dev
+  get_debian_deps
+  get_qt4or5_deps_debian
+}
+
+get_ubuntu_14_deps()
+{
+  get_debian_8_deps
 }
 
 unknown()
@@ -73,18 +155,32 @@ unknown()
 }
 
 if [ -e /etc/issue ]; then
- if [ "`grep -i ubuntu /etc/issue`" ]; then
+ if [ "`grep -i ubuntu.1[4-9] /etc/issue`" ]; then
+  get_ubuntu_14_deps
+ elif [ "`grep -i ubuntu /etc/issue`" ]; then
   get_debian_deps
+ elif [ "`grep -i debian.GNU.Linux.7 /etc/issue`" ]; then
+  get_debian_7_deps
  elif [ "`grep -i debian /etc/issue`" ]; then
-  get_debian_deps
+  get_debian_8_deps
  elif [ "`grep -i raspbian /etc/issue`" ]; then
   get_debian_deps
+ elif [ "`grep -i linux.mint.2 /etc/issue`" ]; then
+  get_ubuntu_14_deps
+ elif [ "`grep -i linux.mint.1[789] /etc/issue`" ]; then
+  get_ubuntu_14_deps
  elif [ "`grep -i mint /etc/issue`" ]; then
-  get_debian_deps
+  get_debian_7_deps
  elif [ "`grep -i suse /etc/issue`" ]; then
   get_opensuse_deps
+ elif [ "`grep -i fedora.release.2[2-9] /etc/issue`" ]; then
+  get_fedora_deps_dnf
+ elif [ "`grep -i fedora.release.[3-9][0-9] /etc/issue`" ]; then
+  get_fedora_deps_dnf
+ elif [ "`grep -i fedora.release.2[0-1] /etc/issue`" ]; then
+  get_fedora_deps_yum
  elif [ "`grep -i fedora /etc/issue`" ]; then
-  get_fedora_deps
+  get_fedora_deps_yum
  elif [ "`grep -i red.hat /etc/issue`" ]; then
   get_fedora_deps
  elif [ "`grep -i mageia /etc/issue`" ]; then

src/AboutDialog.h

@@ -11,8 +11,6 @@ public:
 	AboutDialog(QWidget *) {
 		setupUi(this);
 		this->setWindowTitle( QString(_("About OpenSCAD")) + " " + openscad_shortversionnumber.c_str());
-		QUrl flattr_qurl(":icons/flattr.png" );
-		this->aboutText->loadResource( QTextDocument::ImageResource, flattr_qurl );
 		QString tmp = this->aboutText->toHtml();
 		tmp.replace("__VERSION__", openscad_detailedversionnumber.c_str());
 		this->aboutText->setHtml(tmp);

src/AboutDialog.html

@@ -9,13 +9,29 @@
 <head>
   <meta charset="UTF-8"/>
   <meta http-equiv="Content-Type" content="text/html;charset=utf-8"/>
+
+  <style type=text/css>
+    body {
+      font: 13pt Arial,sans-serif;
+    }
+    .flattr-link {
+      color: white;
+      background: #88B058;
+      font: bold 14px Helvetica,sans-serif;
+    }
+    .donate-link {
+      color: white;
+      background: dodgerblue;
+      font: bold 14px Helvetica,sans-serif;
+    }
+  </style>
 </head>
 
+<body>
 
-<body style="font-family:'Arial'; font-size:13pt;">
-
-<p>
-<a align=right href="https://flattr.com/submit/auto?user_id=openscad&amp;url=http://openscad.org&amp;title=OpenSCAD&amp;language=&amp;tags=github&amp;category=software"><img align=right src=":icons/flattr.png" /></a>
+<p align="right">
+  <a class="flattr-link" href="https://flattr.com/submit/auto?user_id=openscad&amp;url=http://openscad.org&amp;title=OpenSCAD&amp;language=&amp;tags=github&amp;category=software">&nbsp;Flattr&nbsp;this!&nbsp;</a>
+  <a class="donate-link" href="http://www.openscad.org/community.html">&nbsp;Donate&nbsp;</a>
 </p>
 
 <p>

src/CGALRenderer.cc

@@ -29,8 +29,6 @@
 #include <mpfr.h>
 #endif
 
-// dxfdata.h must come first for Eigen SIMD alignment issues
-#include "dxfdata.h"
 #include "polyset.h"
 #include "polyset-utils.h"
 #include "printutils.h"
@@ -42,24 +40,36 @@
 
 //#include "Preferences.h"
 
-CGALRenderer::CGALRenderer(shared_ptr<const class Geometry> geom)
+#include <boost/foreach.hpp>
+
+CGALRenderer::CGALRenderer(shared_ptr<const Geometry> geom)
 {
-	if (shared_ptr<const PolySet> ps = dynamic_pointer_cast<const PolySet>(geom)) {
+	this->addGeometry(geom);
+}
+
+void CGALRenderer::addGeometry(const shared_ptr<const Geometry> &geom)
+{
+	if (shared_ptr<const GeometryList> geomlist = dynamic_pointer_cast<const GeometryList>(geom)) {
+		BOOST_FOREACH(const Geometry::GeometryItem &item, geomlist->getChildren()) {
+			this->addGeometry(item.second);
+		}
+	}
+	else if (const shared_ptr<const PolySet> ps = dynamic_pointer_cast<const PolySet>(geom)) {
 		assert(ps->getDimension() == 3);
 		// We need to tessellate here, in case the generated PolySet contains concave polygons
     // See testdata/scad/3D/features/polyhedron-concave-test.scad
 		PolySet *ps_tri = new PolySet(3, ps->convexValue());
 		ps_tri->setConvexity(ps->getConvexity());
 		PolysetUtils::tessellate_faces(*ps, *ps_tri);
-		this->polyset.reset(ps_tri);
+		this->polysets.push_back(shared_ptr<const PolySet>(ps_tri));
 	}
 	else if (shared_ptr<const Polygon2d> poly = dynamic_pointer_cast<const Polygon2d>(geom)) {
-		this->polyset.reset(poly->tessellate());
+		this->polysets.push_back(shared_ptr<const PolySet>(poly->tessellate()));
 	}
 	else if (shared_ptr<const CGAL_Nef_polyhedron> new_N = dynamic_pointer_cast<const CGAL_Nef_polyhedron>(geom)) {
 		assert(new_N->getDimension() == 3);
 		if (!new_N->isEmpty()) {
-			this->N = new_N;
+			this->nefPolyhedrons.push_back(new_N);
 		}
 	}
 }
@@ -68,21 +78,24 @@ CGALRenderer::~CGALRenderer()
 {
 }
 
-shared_ptr<class CGAL_OGL_Polyhedron> CGALRenderer::getPolyhedron() const
+const std::list<shared_ptr<class CGAL_OGL_Polyhedron> > &CGALRenderer::getPolyhedrons() const
 {
-	if (this->N && !this->polyhedron) buildPolyhedron();
-	return this->polyhedron;
+	if (!this->nefPolyhedrons.empty() && this->polyhedrons.empty()) buildPolyhedrons();
+	return this->polyhedrons;
 }
 
-void CGALRenderer::buildPolyhedron() const
+void CGALRenderer::buildPolyhedrons() const
 {
-	PRINTD("buildPolyhedron");
-	this->polyhedron.reset(new CGAL_OGL_Polyhedron(*this->colorscheme));
-	CGAL::OGL::Nef3_Converter<CGAL_Nef_polyhedron3>::convert_to_OGLPolyhedron(*this->N->p3, this->polyhedron.get());
+	this->polyhedrons.clear();
+
+  BOOST_FOREACH(const shared_ptr<const CGAL_Nef_polyhedron> &N, this->nefPolyhedrons) {
+		CGAL_OGL_Polyhedron *p = new CGAL_OGL_Polyhedron(*this->colorscheme);
+		CGAL::OGL::Nef3_Converter<CGAL_Nef_polyhedron3>::convert_to_OGLPolyhedron(*N->p3, p);
 		// CGAL_NEF3_MARKED_FACET_COLOR <- CGAL_FACE_BACK_COLOR
 		// CGAL_NEF3_UNMARKED_FACET_COLOR <- CGAL_FACE_FRONT_COLOR
-	this->polyhedron->init();
-	PRINTD("buildPolyhedron() end");
+		p->init();
+		this->polyhedrons.push_back(shared_ptr<CGAL_OGL_Polyhedron>(p));
+	}
 }
 
 // Overridden from Renderer
@@ -90,25 +103,23 @@ void CGALRenderer::setColorScheme(const ColorScheme &cs)
 {
 	PRINTD("setColorScheme");
 	Renderer::setColorScheme(cs);
-	this->polyhedron.reset(); // Mark as dirty
+	this->polyhedrons.clear(); // Mark as dirty
 	PRINTD("setColorScheme done");
 }
 
 void CGALRenderer::draw(bool showfaces, bool showedges) const
 {
-	PRINTD("draw()");
-	if (this->polyset) {
-		PRINTD("draw() polyset");
-		if (this->polyset->getDimension() == 2) {
+	BOOST_FOREACH(const shared_ptr<const PolySet> &polyset, this->polysets) {
+		if (polyset->getDimension() == 2) {
 			// Draw 2D polygons
 			glDisable(GL_LIGHTING);
 // FIXME:		const QColor &col = Preferences::inst()->color(Preferences::CGAL_FACE_2D_COLOR);
 			glColor3f(0.0f, 0.75f, 0.60f);
 
-			for (size_t i=0; i < this->polyset->polygons.size(); i++) {
+			for (size_t i=0; i < polyset->polygons.size(); i++) {
 				glBegin(GL_POLYGON);
-				for (size_t j=0; j < this->polyset->polygons[i].size(); j++) {
-					const Vector3d &p = this->polyset->polygons[i][j];
+				for (size_t j=0; j < polyset->polygons[i].size(); j++) {
+					const Vector3d &p = polyset->polygons[i][j];
 					glVertex3d(p[0], p[1], -0.1);
 				}
 				glEnd();
@@ -120,43 +131,36 @@ void CGALRenderer::draw(bool showfaces, bool showedges) const
 			glLineWidth(2);
 // FIXME:		const QColor &col2 = Preferences::inst()->color(Preferences::CGAL_EDGE_2D_COLOR);
 			glColor3f(1.0f, 0.0f, 0.0f);
-			this->polyset->render_edges(CSGMODE_NONE);
+			polyset->render_edges(CSGMODE_NONE);
 			glEnable(GL_DEPTH_TEST);
 		}
 		else {
 			// Draw 3D polygons
 			const Color4f c(-1,-1,-1,-1);	
 			setColor(COLORMODE_MATERIAL, c.data(), NULL);
-			this->polyset->render_surface(CSGMODE_NORMAL, Transform3d::Identity(), NULL);
+			polyset->render_surface(CSGMODE_NORMAL, Transform3d::Identity(), NULL);
 		}
 	}
-	else {
-		shared_ptr<class CGAL_OGL_Polyhedron> polyhedron = getPolyhedron();
-        if (polyhedron) {
-            PRINTD("draw() polyhedron");
-            if (showfaces) polyhedron->set_style(SNC_BOUNDARY);
-            else polyhedron->set_style(SNC_SKELETON);
-            polyhedron->draw(showfaces && showedges);
+
+	BOOST_FOREACH(const shared_ptr<CGAL_OGL_Polyhedron> &p, this->getPolyhedrons()) {
+		if (showfaces) p->set_style(SNC_BOUNDARY);
+		else p->set_style(SNC_SKELETON);
+		p->draw(showfaces && showedges);
   }
 }
-	PRINTD("draw() end");
-}
 
 BoundingBox CGALRenderer::getBoundingBox() const
 {
 	BoundingBox bbox;
 
-	if (this->polyset) {
-		bbox = this->polyset->getBoundingBox();
-	}
-	else {
-		shared_ptr<class CGAL_OGL_Polyhedron> polyhedron = getPolyhedron();
-		if (polyhedron) {
-			CGAL::Bbox_3 cgalbbox = polyhedron->bbox();
-			bbox = BoundingBox(
+  BOOST_FOREACH(const shared_ptr<CGAL_OGL_Polyhedron> &p, this->getPolyhedrons()) {
+		CGAL::Bbox_3 cgalbbox = p->bbox();
+		bbox.extend(BoundingBox(
 									Vector3d(cgalbbox.xmin(), cgalbbox.ymin(), cgalbbox.zmin()),
-				Vector3d(cgalbbox.xmax(), cgalbbox.ymax(), cgalbbox.zmax()));
+									Vector3d(cgalbbox.xmax(), cgalbbox.ymax(), cgalbbox.zmax())));
 	}
+	BOOST_FOREACH(const shared_ptr<const PolySet> &ps, this->polysets) {
+		bbox.extend(ps->getBoundingBox());
 	}
 	return bbox;
 }

src/CGALRenderer.h

@@ -12,11 +12,13 @@ public:
 	virtual void setColorScheme(const ColorScheme &cs);
 	virtual BoundingBox getBoundingBox() const;
 
-private:
-	shared_ptr<class CGAL_OGL_Polyhedron> getPolyhedron() const;
-	void buildPolyhedron() const;
+public:
+	mutable std::list<shared_ptr<class CGAL_OGL_Polyhedron> > polyhedrons;
+	std::list<shared_ptr<const class PolySet> > polysets;
+	std::list<shared_ptr<const CGAL_Nef_polyhedron> > nefPolyhedrons;
 
-	mutable shared_ptr<class CGAL_OGL_Polyhedron> polyhedron;
-	shared_ptr<const CGAL_Nef_polyhedron> N;
-	shared_ptr<const class PolySet> polyset;
+private:
+	void addGeometry(const shared_ptr<const class Geometry> &geom);
+	const std::list<shared_ptr<class CGAL_OGL_Polyhedron> > &getPolyhedrons() const;
+	void buildPolyhedrons() const;
 };

src/CSGTermEvaluator.cc

@@ -87,6 +87,16 @@ Response CSGTermEvaluator::visit(State &state, const AbstractIntersectionNode &n
 	return ContinueTraversal;
 }
 
+Response CSGTermEvaluator::visit(State &state, const class ListNode &node)
+{
+	if (state.isPostfix()) {
+		BOOST_FOREACH(const AbstractNode *chnode, this->visitedchildren[node.index()]) {
+			addToParent(state, *chnode);
+		}
+	}
+	return ContinueTraversal;
+}
+
 static shared_ptr<CSGTerm> evaluate_csg_term_from_geometry(const State &state, 
 																					std::vector<shared_ptr<CSGTerm> > &highlights, 
 																					std::vector<shared_ptr<CSGTerm> > &background, 

src/CSGTermEvaluator.h

@@ -18,6 +18,7 @@ public:
   virtual Response visit(State &state, const class AbstractNode &node);
  	virtual Response visit(State &state, const class AbstractIntersectionNode &node);
  	virtual Response visit(State &state, const class AbstractPolyNode &node);
+ 	virtual Response visit(State &state, const class ListNode &node);
  	virtual Response visit(State &state, const class CsgNode &node);
  	virtual Response visit(State &state, const class TransformNode &node);
 	virtual Response visit(State &state, const class ColorNode &node);

src/Camera.cc

@@ -6,15 +6,17 @@ Camera::Camera(enum CameraType camtype) :
 	type(camtype), projection(Camera::PERSPECTIVE), fov(22.5), viewall(false)
 {
 	PRINTD("Camera()");
-	if (this->type == Camera::GIMBAL) {
+
+        // gimbal cam values
         object_trans << 0,0,0;
         object_rot << 35,0,25;
         viewer_distance = 500;
-	} else if (this->type == Camera::VECTOR) {
+
+        // vector cam values
         center << 0,0,0;
         Eigen::Vector3d cameradir(1, 1, -0.5);
         eye = center - 500 * cameradir;
-	}
+
 	pixel_width = RenderSettings::inst()->img_width;
 	pixel_height = RenderSettings::inst()->img_height;
 	autocenter = false;

src/FreetypeRenderer.cc

@@ -40,6 +40,8 @@
 
 #include FT_OUTLINE_H
 
+#define SCRIPT_UNTAG(tag)   ((uint8_t)((tag)>>24)) % ((uint8_t)((tag)>>16)) % ((uint8_t)((tag)>>8)) % ((uint8_t)(tag))
+
 static inline Vector2d get_scaled_vector(const FT_Vector *ft_vector, double scale) {
     return Vector2d(ft_vector->x / scale, ft_vector->y / scale);
 }
@@ -122,6 +124,75 @@ double FreetypeRenderer::calc_y_offset(std::string valign, double ascend, double
 	}
 }
 
+hb_direction_t FreetypeRenderer::get_direction(const FreetypeRenderer::Params &params, const hb_script_t script) const
+{
+	hb_direction_t param_direction = hb_direction_from_string(params.direction.c_str(), -1);
+	if (param_direction != HB_DIRECTION_INVALID) {
+		return param_direction;
+	}
+
+	hb_direction_t direction = hb_script_get_horizontal_direction(script);
+	PRINTDB("Detected direction '%s' for %s", hb_direction_to_string(direction) % params.text.c_str());
+	return direction;
+}
+
+bool FreetypeRenderer::is_ignored_script(const hb_script_t script) const
+{
+	switch (script) {
+	case HB_SCRIPT_COMMON:
+	case HB_SCRIPT_INHERITED:
+	case HB_SCRIPT_UNKNOWN:
+	case HB_SCRIPT_INVALID:
+		return true;
+	default:
+		return false;
+	}
+}
+
+hb_script_t FreetypeRenderer::get_script(const FreetypeRenderer::Params &params, hb_glyph_info_t *glyph_info, unsigned int glyph_count) const
+{
+	hb_script_t param_script = hb_script_from_string(params.script.c_str(), -1);
+	if (param_script != HB_SCRIPT_INVALID) {
+		return param_script;
+	}
+
+	hb_script_t script = HB_SCRIPT_INVALID;
+	for (unsigned int idx = 0;idx < glyph_count;idx++) {
+		hb_codepoint_t cp = glyph_info[idx].codepoint;
+		hb_script_t s = hb_unicode_script(hb_unicode_funcs_get_default(), cp);
+		if (!is_ignored_script(s)) {
+			if (script == HB_SCRIPT_INVALID) {
+				script = s;
+			} else if ((script != s) && (script != HB_SCRIPT_UNKNOWN)) {
+				script = HB_SCRIPT_UNKNOWN;
+			}
+		}
+	}
+	PRINTDB("Detected script '%c%c%c%c' for %s", SCRIPT_UNTAG(script) % params.text.c_str());
+	return script;
+}
+
+void FreetypeRenderer::detect_properties(FreetypeRenderer::Params &params) const
+{
+	hb_buffer_t *hb_buf = hb_buffer_create();
+	hb_buffer_add_utf8(hb_buf, params.text.c_str(), strlen(params.text.c_str()), 0, strlen(params.text.c_str()));
+
+	unsigned int glyph_count;
+        hb_glyph_info_t *glyph_info = hb_buffer_get_glyph_infos(hb_buf, &glyph_count);
+
+	hb_script_t script = get_script(params, glyph_info, glyph_count);
+	hb_buffer_destroy(hb_buf);
+
+	if (!is_ignored_script(script)) {
+		char script_buf[5] = { 0, };
+		hb_tag_to_string(hb_script_to_iso15924_tag(script), script_buf);
+		params.set_script(script_buf);
+	}
+
+	hb_direction_t direction = get_direction(params, script);
+	params.set_direction(hb_direction_to_string(direction));
+}
+
 std::vector<const Geometry *> FreetypeRenderer::render(const FreetypeRenderer::Params &params) const
 {
 	FT_Face face;

src/FreetypeRenderer.h

@@ -85,7 +85,7 @@ public:
 			<< ", font = \"" << params.font
 			<< "\", direction = \"" << params.direction
 			<< "\", language = \"" << params.language
-			<< "\", script = \"" << params.script
+			<< (params.script.empty() ? "" : "\", script = \"") << params.script
 			<< "\", halign = \"" << params.halign
 			<< "\", valign = \"" << params.valign
                         << "\", $fn = " << params.fn
@@ -102,6 +102,7 @@ public:
     FreetypeRenderer();
     virtual ~FreetypeRenderer();
 
+        void detect_properties(FreetypeRenderer::Params &params) const;
 	std::vector<const class Geometry *> render(const FreetypeRenderer::Params &params) const;
 private:
 	  const static double scale;
@@ -136,6 +137,10 @@ private:
         }
     };
 
+    bool is_ignored_script(const hb_script_t script) const;
+    hb_script_t get_script(const FreetypeRenderer::Params &params, hb_glyph_info_t *glyph_info, unsigned int glyph_count) const;
+    hb_direction_t get_direction(const FreetypeRenderer::Params &params, const hb_script_t script) const;
+
     double calc_x_offset(std::string halign, double width) const;
     double calc_y_offset(std::string valign, double ascend, double descend) const;
     

src/GLView.cc

@@ -105,7 +105,7 @@ void GLView::setupCamera()
 			double height = dist * tan(cam.fov/2*M_PI/180);
 			glOrtho(-height*aspectratio, height*aspectratio,
 							-height, height,
-							-far_far_away, +far_far_away);
+							-100*dist, +100*dist);
 			break;
 		}
 		}
@@ -130,7 +130,7 @@ void GLView::setupCamera()
 			double height = dist * tan(cam.fov/2*M_PI/180);
 			glOrtho(-height*aspectratio, height*aspectratio,
 							-height, height,
-							-far_far_away, +far_far_away);
+							-100*dist, +100*dist);
 			break;
 		}
 		}
@@ -158,20 +158,20 @@ void GLView::paintGL()
   glDisable(GL_LIGHTING);
 
   Color4f bgcol = ColorMap::getColor(*this->colorscheme, BACKGROUND_COLOR);
-  Color4f bgcontrast = ColorMap::getContrastColor(bgcol);
+  Color4f axescolor = ColorMap::getColor(*this->colorscheme, AXES_COLOR);
   glClearColor(bgcol[0], bgcol[1], bgcol[2], 1.0);
   glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT);
 
   setupCamera();
-  if (this->cam.type) {
+  if (this->cam.type == Camera::GIMBAL) {
     // Only for GIMBAL cam
     // The crosshair should be fixed at the center of the viewport...
     if (showcrosshairs) GLView::showCrosshairs();
     glTranslated(cam.object_trans.x(), cam.object_trans.y(), cam.object_trans.z());
     // ...the axis lines need to follow the object translation.
-    if (showaxes) GLView::showAxes(bgcontrast);
+    if (showaxes) GLView::showAxes(axescolor);
     // mark the scale along the axis lines
-    if (showaxes && showscale) GLView::showScalemarkers(bgcontrast);
+    if (showaxes && showscale) GLView::showScalemarkers(axescolor);
   }
 
   glEnable(GL_LIGHTING);
@@ -191,7 +191,7 @@ void GLView::paintGL()
 
   // Only for GIMBAL
   glDisable(GL_LIGHTING);
-  if (showaxes) GLView::showSmallaxes(bgcontrast);
+  if (showaxes) GLView::showSmallaxes(axescolor);
 }
 
 #ifdef ENABLE_OPENCSG
@@ -216,7 +216,7 @@ void GLView::enable_opencsg_shaders()
     else if (GLEW_EXT_framebuffer_object && GLEW_EXT_packed_depth_stencil) {
       this->is_opencsg_capable = true;
     }
-#ifdef WIN32
+#ifdef _WIN32
     else if (WGLEW_ARB_pbuffer && WGLEW_ARB_pixel_format) this->is_opencsg_capable = true;
 #elif !defined(__APPLE__)
     else if (GLXEW_SGIX_pbuffer && GLXEW_SGIX_fbconfig) this->is_opencsg_capable = true;
@@ -272,7 +272,7 @@ void GLView::enable_opencsg_shaders()
       "  vec3 normal, lightDir;\n"
       "  normal = normalize(gl_NormalMatrix * gl_Normal);\n"
       "  lightDir = normalize(vec3(gl_LightSource[0].position));\n"
-      "  shading = abs(dot(normal, lightDir));\n"
+      "  shading = 0.2 + abs(dot(normal, lightDir));\n"
       "}\n";
 
     /*

src/Geometry.cc

@@ -1 +1,88 @@
 #include "Geometry.h"
+#include "printutils.h"
+#include <boost/foreach.hpp>
+
+GeometryList::GeometryList()
+{
+}
+
+GeometryList::GeometryList(const Geometry::Geometries &geometries) : children(geometries)
+{
+}
+
+GeometryList::~GeometryList()
+{
+}
+
+size_t GeometryList::memsize() const
+{
+	size_t sum = 0;
+	BOOST_FOREACH(const GeometryItem &item, this->children) {
+		sum += item.second->memsize();
+	}
+	return sum;
+}
+
+BoundingBox GeometryList::getBoundingBox() const
+{
+	BoundingBox bbox;
+	BOOST_FOREACH(const GeometryItem &item, this->children) {
+		bbox.extend(item.second->getBoundingBox());
+	}
+	return bbox;
+}
+
+std::string GeometryList::dump() const
+{
+	std::stringstream out;
+	BOOST_FOREACH(const GeometryItem &item, this->children) {
+		out << item.second->dump();
+	}
+	return out.str();
+}
+
+unsigned int GeometryList::getDimension() const
+{
+	unsigned int dim = 0;
+	BOOST_FOREACH(const GeometryItem &item, this->children) {
+		if (!dim) dim = item.second->getDimension();
+		else if (dim != item.second->getDimension()) {
+			PRINT("WARNING: Mixing 2D and 3D objects is not supported.");
+			break;
+		}
+	}
+    return dim;
+}
+
+bool GeometryList::isEmpty() const
+{
+	BOOST_FOREACH(const GeometryItem &item, this->children) {
+		if (!item.second->isEmpty()) return false;
+	}
+	return true;
+}
+
+void flatten(const GeometryList *geomlist, GeometryList::Geometries &childlist)
+{
+	BOOST_FOREACH(const Geometry::GeometryItem &item, geomlist->getChildren()) {
+		if (const GeometryList *chlist = dynamic_cast<const GeometryList *>(item.second.get())) {
+			flatten(chlist, childlist);
+		}
+		else {
+			childlist.push_back(item);
+		}
+	}
+}
+
+/*!
+  Creates a new GeometryList which has a flat hierarchy (all
+	children directly reachable GeometryLists are collected in a flat
+	list)
+*/
+Geometry::Geometries GeometryList::flatten() const
+{
+	Geometries newchildren;
+	::flatten(this, newchildren);
+	return newchildren;
+}
+

src/Geometry.h

@@ -10,8 +10,8 @@
 class Geometry
 {
 public:
-  typedef std::pair<const class AbstractNode *, shared_ptr<const Geometry> > ChildItem;
-  typedef std::list<ChildItem> ChildList;
+  typedef std::pair<const class AbstractNode *, shared_ptr<const Geometry> > GeometryItem;
+  typedef std::list<GeometryItem> Geometries;
 
 	Geometry() : convexity(1) {}
 	virtual ~Geometry() {}
@@ -29,3 +29,27 @@ public:
 protected:
 	int convexity;
 };
+
+class GeometryList : public Geometry
+{
+public:
+	Geometries children;
+
+	GeometryList();
+	GeometryList(const Geometry::Geometries &geometries);
+	virtual ~GeometryList();
+
+	virtual size_t memsize() const;
+	virtual BoundingBox getBoundingBox() const;
+	virtual std::string dump() const;
+	virtual unsigned int getDimension() const;
+	virtual bool isEmpty() const;
+	virtual Geometry *copy() const { return new GeometryList(*this); };
+
+	const Geometries &getChildren() const { 
+		return this->children;
+	}
+
+	Geometries flatten() const;
+
+};

src/GeometryEvaluator.cc

@@ -69,10 +69,9 @@ shared_ptr<const Geometry> GeometryEvaluator::evaluateGeometry(const AbstractNod
 						PRINT("ERROR: Nef->PolySet failed");
 					}
 				}
-
+			}
+		}
 		smartCacheInsert(node, this->root);
-			}
-		}
 		return this->root;
 	}
 	return GeometryCache::instance()->get(this->tree.getIdString(node));
@@ -81,7 +80,7 @@ shared_ptr<const Geometry> GeometryEvaluator::evaluateGeometry(const AbstractNod
 GeometryEvaluator::ResultObject GeometryEvaluator::applyToChildren(const AbstractNode &node, OpenSCADOperator op)
 {
 	unsigned int dim = 0;
-	BOOST_FOREACH(const Geometry::ChildItem &item, this->visitedchildren[node.index()]) {
+	BOOST_FOREACH(const Geometry::GeometryItem &item, this->visitedchildren[node.index()]) {
 		if (!item.first->modinst->isBackground() && item.second) {
 			if (!dim) dim = item.second->getDimension();
 			else if (dim != item.second->getDimension()) {
@@ -106,7 +105,7 @@ GeometryEvaluator::ResultObject GeometryEvaluator::applyToChildren(const Abstrac
 */
 GeometryEvaluator::ResultObject GeometryEvaluator::applyToChildren3D(const AbstractNode &node, OpenSCADOperator op)
 {
-	Geometry::ChildList children = collectChildren3D(node);
+	Geometry::Geometries children = collectChildren3D(node);
 	if (children.size() == 0) return ResultObject();
 
 	if (op == OPENSCAD_HULL) {
@@ -124,8 +123,8 @@ GeometryEvaluator::ResultObject GeometryEvaluator::applyToChildren3D(const Abstr
 	if (children.size() == 1) return ResultObject(children.front().second);
 
 	if (op == OPENSCAD_MINKOWSKI) {
-		Geometry::ChildList actualchildren;
-		BOOST_FOREACH(const Geometry::ChildItem &item, children) {
+		Geometry::Geometries actualchildren;
+		BOOST_FOREACH(const Geometry::GeometryItem &item, children) {
 			if (!item.second->isEmpty()) actualchildren.push_back(item);
 		}
 		if (actualchildren.empty()) return ResultObject();
@@ -178,7 +177,7 @@ Polygon2d *GeometryEvaluator::applyHull2D(const AbstractNode &node)
 
 Geometry *GeometryEvaluator::applyHull3D(const AbstractNode &node)
 {
-	Geometry::ChildList children = collectChildren3D(node);
+	Geometry::Geometries children = collectChildren3D(node);
 
 	PolySet *P = new PolySet(3);
 	if (CGALUtils::applyHull(children, *P)) {
@@ -204,10 +203,9 @@ Polygon2d *GeometryEvaluator::applyMinkowski2D(const AbstractNode &node)
 std::vector<const class Polygon2d *> GeometryEvaluator::collectChildren2D(const AbstractNode &node)
 {
 	std::vector<const Polygon2d *> children;
-	BOOST_FOREACH(const Geometry::ChildItem &item, this->visitedchildren[node.index()]) {
+	BOOST_FOREACH(const Geometry::GeometryItem &item, this->visitedchildren[node.index()]) {
 		const AbstractNode *chnode = item.first;
 		const shared_ptr<const Geometry> &chgeom = item.second;
-		// FIXME: Don't use deep access to modinst members
 		if (chnode->modinst->isBackground()) continue;
 
 		// NB! We insert into the cache here to ensure that all children of
@@ -275,13 +273,12 @@ shared_ptr<const Geometry> GeometryEvaluator::smartCacheGet(const AbstractNode &
 	Returns a list of 3D Geometry children of the given node.
 	May return empty geometries, but not NULL objects
 */
-Geometry::ChildList GeometryEvaluator::collectChildren3D(const AbstractNode &node)
+Geometry::Geometries GeometryEvaluator::collectChildren3D(const AbstractNode &node)
 {
-	Geometry::ChildList children;
-	BOOST_FOREACH(const Geometry::ChildItem &item, this->visitedchildren[node.index()]) {
+	Geometry::Geometries children;
+	BOOST_FOREACH(const Geometry::GeometryItem &item, this->visitedchildren[node.index()]) {
 		const AbstractNode *chnode = item.first;
 		const shared_ptr<const Geometry> &chgeom = item.second;
-		// FIXME: Don't use deep access to modinst members
 		if (chnode->modinst->isBackground()) continue;
 
 		// NB! We insert into the cache here to ensure that all children of
@@ -345,7 +342,7 @@ Polygon2d *GeometryEvaluator::applyToChildren2D(const AbstractNode &node, OpenSC
 }
 
 /*!
-	Adds ourself to out parent's list of traversed children.
+	Adds ourself to our parent's list of traversed children.
 	Call this for _every_ node which affects output during traversal.
 	Usually, this should be called from the postfix stage, but for some nodes, 
 	we defer traversal letting other components (e.g. CGAL) render the subgraph, 
@@ -362,8 +359,7 @@ void GeometryEvaluator::addToParent(const State &state,
 		this->visitedchildren[state.parent()->index()].push_back(std::make_pair(&node, geom));
 	}
 	else {
-		// Root node, insert into cache
-		smartCacheInsert(node, geom);
+		// Root node
 		this->root = geom;
 		assert(this->visitedchildren.empty());
 	}
@@ -391,6 +387,69 @@ Response GeometryEvaluator::visit(State &state, const AbstractNode &node)
 	return ContinueTraversal;
 }
 
+/*!
+	Pass children to parent without touching them. Used by e.g. for loops
+*/
+Response GeometryEvaluator::visit(State &state, const ListNode &node)
+{
+	if (state.isPostfix()) {
+		BOOST_FOREACH(const Geometry::GeometryItem &item, this->visitedchildren[node.index()]) {
+			const AbstractNode *chnode = item.first;
+			const shared_ptr<const Geometry> &chgeom = item.second;
+			addToParent(state, *chnode, chgeom);
+		}
+            this->visitedchildren.erase(node.index());
+	}
+	return ContinueTraversal;
+}
+
+/*!
+*/
+Response GeometryEvaluator::visit(State &state, const GroupNode &node)
+{
+	return visit(state, (const AbstractNode &)node);
+}
+
+/*!
+  Root nodes are handled specially; they will flatten any child group
+  nodes to avoid doing an implicit top-level union.
+
+	NB! This is likely a temporary measure until a better implementation of 
+	group nodes is in place.
+*/
+Response GeometryEvaluator::visit(State &state, const RootNode &node)
+{
+	// If we didn't enable lazy unions, just union the top-level objects
+	if (!Feature::ExperimentalLazyUnion.is_enabled()) {
+	 	return visit(state, (const GroupNode &)node);
+	}
+	
+	if (state.isPrefix() && isSmartCached(node)) return PruneTraversal;
+	if (state.isPostfix()) {
+		shared_ptr<const class Geometry> geom;
+
+		GeometryList::Geometries geometries;
+		BOOST_FOREACH(const Geometry::GeometryItem &item, this->visitedchildren[node.index()]) {
+			const AbstractNode *chnode = item.first;
+			const shared_ptr<const Geometry> &chgeom = item.second;
+			if (chnode->modinst->isBackground()) continue;
+			// NB! We insert into the cache here to ensure that all children of
+			// a node is a valid object. If we inserted as we created them, the 
+			// cache could have been modified before we reach this point due to a large
+			// sibling object. 
+			smartCacheInsert(*chnode, chgeom);
+			// Only use valid geometries
+			// FIXME: Enforce 2D vs. 3D here?
+			if (chgeom && !chgeom->isEmpty()) geometries.push_back(item);
+		}
+		if (geometries.size() == 1) geom = geometries.front().second;
+		else if (geometries.size() > 1) geom.reset(new GeometryList(geometries));
+
+		this->root = geom;
+	}
+	return ContinueTraversal;
+}
+
 Response GeometryEvaluator::visit(State &state, const OffsetNode &node)
 {
 	if (state.isPrefix() && isSmartCached(node)) return PruneTraversal;
@@ -740,6 +799,7 @@ Response GeometryEvaluator::visit(State &state, const LinearExtrudeNode &node)
 
 				Polygon2d *p2d = dxf.toPolygon2d();
 				if (p2d) geometry = ClipperUtils::sanitize(*p2d);
+				delete p2d;
 			}
 			else {
 				geometry = applyToChildren2D(node, OPENSCAD_UNION);
@@ -760,14 +820,23 @@ Response GeometryEvaluator::visit(State &state, const LinearExtrudeNode &node)
 	return ContinueTraversal;
 }
 
-static void fill_ring(std::vector<Vector3d> &ring, const Outline2d &o, double a)
+static void fill_ring(std::vector<Vector3d> &ring, const Outline2d &o, double a, bool flip)
 {
+	if (flip) {
+		unsigned int l = o.vertices.size()-1;
+		for (unsigned int i=0 ;i<o.vertices.size();i++) {
+			ring[i][0] = o.vertices[l-i][0] * sin(a);
+			ring[i][1] = o.vertices[l-i][0] * cos(a);
+			ring[i][2] = o.vertices[l-i][1];
+		}
+	} else {
 		for (unsigned int i=0 ;i<o.vertices.size();i++) {
 			ring[i][0] = o.vertices[i][0] * sin(a);
 			ring[i][1] = o.vertices[i][0] * cos(a);
 			ring[i][2] = o.vertices[i][1];
 		}
 	}
+}
 
 /*!
 	Input to extrude should be clean. This means non-intersecting, correct winding order
@@ -789,12 +858,15 @@ static void fill_ring(std::vector<Vector3d> &ring, const Outline2d &o, double a)
 */
 static Geometry *rotatePolygon(const RotateExtrudeNode &node, const Polygon2d &poly)
 {
+	if (node.angle == 0) return NULL; 
+
 	PolySet *ps = new PolySet(3);
 	ps->setConvexity(node.convexity);
 	
-	BOOST_FOREACH(const Outline2d &o, poly.outlines()) {
 	double min_x = 0;
 	double max_x = 0;
+	int fragments = 0;
+	BOOST_FOREACH(const Outline2d &o, poly.outlines()) {
 		BOOST_FOREACH(const Vector2d &v, o.vertices) {
 			min_x = fmin(min_x, v[0]);
 			max_x = fmax(max_x, v[0]);
@@ -805,16 +877,49 @@ static Geometry *rotatePolygon(const RotateExtrudeNode &node, const Polygon2d &p
 				return NULL;
 			}
 		}
-		int fragments = Calc::get_fragments_from_r(max_x - min_x, node.fn, node.fs, node.fa);
+		fragments = fmax(Calc::get_fragments_from_r(max_x - min_x, node.fn, node.fs, node.fa) * std::abs(node.angle) / 360, 1);
+	}
 
+	bool flip_faces = (min_x >= 0 && node.angle > 0 && node.angle != 360) || (min_x < 0 && (node.angle < 0 || node.angle == 360));
+	
+	if (node.angle != 360) {
+		PolySet *ps_start = poly.tessellate(); // starting face
+		Transform3d rot(Eigen::AngleAxisd(M_PI/2, Vector3d::UnitX()));
+		ps_start->transform(rot);
+		// Flip vertex ordering
+		if (!flip_faces) {
+			BOOST_FOREACH(Polygon &p, ps_start->polygons) {
+				std::reverse(p.begin(), p.end());
+			}
+		}
+		ps->append(*ps_start);
+		delete ps_start;
+
+		PolySet *ps_end = poly.tessellate();
+		Transform3d rot2(Eigen::AngleAxisd(node.angle*M_PI/180, Vector3d::UnitZ()) * Eigen::AngleAxisd(M_PI/2, Vector3d::UnitX()));
+		ps_end->transform(rot2);
+		if (flip_faces) {
+			BOOST_FOREACH(Polygon &p, ps_end->polygons) {
+				std::reverse(p.begin(), p.end());
+			}
+		}
+		ps->append(*ps_end);
+		delete ps_end;
+	}
+
+	BOOST_FOREACH(const Outline2d &o, poly.outlines()) {
 		std::vector<Vector3d> rings[2];
 		rings[0].resize(o.vertices.size());
 		rings[1].resize(o.vertices.size());
 
-		fill_ring(rings[0], o, -M_PI/2); // first ring
+		fill_ring(rings[0], o, (node.angle == 360) ? -M_PI/2 : M_PI/2, flip_faces); // first ring
 		for (int j = 0; j < fragments; j++) {
-			double a = ((j+1)%fragments*2*M_PI) / fragments - M_PI/2; // start on the X axis
-			fill_ring(rings[(j+1)%2], o, a);
+			double a;
+			if (node.angle == 360)
+			    a = -M_PI/2 + ((j+1)%fragments*2*M_PI) / fragments; // start on the -X axis, for legacy support
+			else
+				a = M_PI/2 - (j+1)*(node.angle*M_PI/180) / fragments; // start on the X axis
+			fill_ring(rings[(j+1)%2], o, a, flip_faces);
 
 			for (size_t i=0;i<o.vertices.size();i++) {
 				ps->append_poly();
@@ -828,6 +933,7 @@ static Geometry *rotatePolygon(const RotateExtrudeNode &node, const Polygon2d &p
 			}
 		}
 	}
+	
 	return ps;
 }
 
@@ -849,6 +955,7 @@ Response GeometryEvaluator::visit(State &state, const RotateExtrudeNode &node)
 				DxfData dxf(node.fn, node.fs, node.fa, node.filename, node.layername, node.origin_x, node.origin_y, node.scale);
 				Polygon2d *p2d = dxf.toPolygon2d();
 				if (p2d) geometry = ClipperUtils::sanitize(*p2d);
+				delete p2d;
 			}
 			else {
 				geometry = applyToChildren2D(node, OPENSCAD_UNION);
@@ -869,7 +976,7 @@ Response GeometryEvaluator::visit(State &state, const RotateExtrudeNode &node)
 }
 
 /*!
-	Handles non-leaf PolyNodes; projection
+	FIXME: Not in use
 */
 Response GeometryEvaluator::visit(State &state, const AbstractPolyNode &node)
 {
@@ -893,10 +1000,9 @@ Response GeometryEvaluator::visit(State &state, const ProjectionNode &node)
 
 			if (!node.cut_mode) {
 				ClipperLib::Clipper sumclipper;
-				BOOST_FOREACH(const Geometry::ChildItem &item, this->visitedchildren[node.index()]) {
+				BOOST_FOREACH(const Geometry::GeometryItem &item, this->visitedchildren[node.index()]) {
 					const AbstractNode *chnode = item.first;
 					const shared_ptr<const Geometry> &chgeom = item.second;
-					// FIXME: Don't use deep access to modinst members
 					if (chnode->modinst->isBackground()) continue;
 
 					const Polygon2d *poly = NULL;
@@ -954,6 +1060,8 @@ Response GeometryEvaluator::visit(State &state, const ProjectionNode &node)
 						// Add correctly winded polygons to the main clipper
 						sumclipper.AddPaths(result, ClipperLib::ptSubject, true);
 					}
+
+					delete poly;
 				}
 				ClipperLib::PolyTree sumresult;
 				// This is key - without StrictlySimple, we tend to get self-intersecting results

src/GeometryEvaluator.h

@@ -23,6 +23,9 @@ public:
 	virtual Response visit(State &state, const AbstractPolyNode &node);
 	virtual Response visit(State &state, const LinearExtrudeNode &node);
 	virtual Response visit(State &state, const RotateExtrudeNode &node);
+	virtual Response visit(State &state, const ListNode &node);
+	virtual Response visit(State &state, const GroupNode &node);
+	virtual Response visit(State &state, const RootNode &node);
 	virtual Response visit(State &state, const LeafNode &node);
 	virtual Response visit(State &state, const TransformNode &node);
 	virtual Response visit(State &state, const CsgNode &node);
@@ -57,7 +60,7 @@ private:
 	shared_ptr<const Geometry> smartCacheGet(const AbstractNode &node, bool preferNef);
 	bool isSmartCached(const AbstractNode &node);
 	std::vector<const class Polygon2d *> collectChildren2D(const AbstractNode &node);
-	Geometry::ChildList collectChildren3D(const AbstractNode &node);
+	Geometry::Geometries collectChildren3D(const AbstractNode &node);
 	Polygon2d *applyMinkowski2D(const AbstractNode &node);
 	Polygon2d *applyHull2D(const AbstractNode &node);
 	Geometry *applyHull3D(const AbstractNode &node);
@@ -67,7 +70,7 @@ private:
 	ResultObject applyToChildren(const AbstractNode &node, OpenSCADOperator op);
 	void addToParent(const State &state, const AbstractNode &node, const shared_ptr<const Geometry> &geom);
 
-	std::map<int, Geometry::ChildList> visitedchildren;
+	std::map<int, Geometry::Geometries> visitedchildren;
 	const Tree &tree;
 	shared_ptr<const Geometry> root;
 

src/MainWindow.h

@@ -15,6 +15,7 @@
 #include <QMutex>
 #include <QSet>
 #include <QTime>
+#include <QIODevice>
 
 enum export_type_e {
 	EXPORT_TYPE_UNKNOWN,
@@ -35,7 +36,11 @@ public:
 	class Preferences *prefs;
 
 	QTimer *animate_timer;
-	double tval, fps, fsteps;
+	int anim_step;
+	int anim_numsteps;
+	double anim_tval;
+	bool anim_dumping;
+	int anim_dump_start_step;
 
 	QTimer *autoReloadTimer;
 	std::string autoReloadId;
@@ -88,7 +93,10 @@ protected:
 	void closeEvent(QCloseEvent *event);
 
 private slots:
-	void updatedFps();
+	void updatedAnimTval();
+	void updatedAnimFps();
+	void updatedAnimSteps();
+	void updatedAnimDump(bool checked);
 	void updateTVal();
         void updateMdiMode(bool mdi);
         void updateUndockMode(bool undockMode);
@@ -113,6 +121,7 @@ private:
 	void compile(bool reload, bool forcedone = false);
 	void compileCSG(bool procevents);
 	bool maybeSave();
+        void saveError(const QIODevice &file, const std::string &msg);
 	bool checkEditorModified();
 	QString dumpCSGTree(AbstractNode *root);
 	static void consoleOutput(const std::string &msg, void *userdata);
@@ -196,6 +205,7 @@ private slots:
 	void actionExportSVG();
 	void actionExportCSG();
 	void actionExportImage();
+	void actionCopyViewport();
 	void actionFlushCaches();
 
 public:

src/MainWindow.ui

@@ -302,6 +302,8 @@
     <addaction name="editActionCopy"/>
     <addaction name="editActionPaste"/>
     <addaction name="separator"/>
+    <addaction name="editActionCopyViewport"/>
+    <addaction name="separator"/>
     <addaction name="editActionIndent"/>
     <addaction name="editActionUnindent"/>
     <addaction name="editActionComment"/>
@@ -392,6 +394,7 @@
   </widget>
   <widget class="QStatusBar" name="statusbar"/>
   <widget class="Dock" name="editorDock">
+   <addaction name="editActionRedo_2"/>
    <attribute name="dockWidgetArea">
     <number>1</number>
    </attribute>
@@ -640,6 +643,14 @@
     <enum>Qt::WidgetWithChildrenShortcut</enum>
    </property>
   </action>
+  <action name="editActionRedo_2">
+   <property name="shortcut">
+    <string>Ctrl+Y</string>
+   </property>
+   <property name="shortcutContext">
+    <enum>Qt::WidgetWithChildrenShortcut</enum>
+   </property>
+  </action>
   <action name="editActionCut">
    <property name="text">
     <string>Cu&amp;t</string>
@@ -1261,6 +1272,14 @@
     <string>&amp;Cheat Sheet</string>
    </property>
   </action>
+  <action name="editActionCopyViewport">
+   <property name="text">
+    <string>Copy Viewport</string>
+   </property>
+   <property name="shortcut">
+    <string>Ctrl+Shift+C</string>
+   </property>
+  </action>
  </widget>
  <customwidgets>
   <customwidget>

src/OGL_helper.h

@@ -486,6 +486,7 @@ namespace OGL {
       gluTessEndPolygon(tess_);
       //      CGAL_NEF_TRACEN("End Polygon");
       gluDeleteTess(tess_);
+      combineCallback(NULL, NULL, NULL, NULL);
     }
 
     void construct_axes() const

src/OffscreenContextGLX.cc

@@ -237,6 +237,7 @@ bool create_glx_dummy_window(OffscreenContext &ctx)
 		// this call alters ctx->xDisplay and ctx->openGLContext 
 		//  and ctx->xwindow if successfull
 		if (!create_glx_dummy_context( *ctx )) {
+			delete ctx;
 			return NULL;
 		}
 

src/OpenCSGRenderer.cc

@@ -29,9 +29,9 @@
 #include "polyset.h"
 #include "csgterm.h"
 #include "stl-utils.h"
+
 #ifdef ENABLE_OPENCSG
 #  include <opencsg.h>
-#endif
 
 class OpenCSGPrim : public OpenCSG::Primitive
 {
@@ -49,6 +49,8 @@ public:
 	}
 };
 
+#endif
+
 OpenCSGRenderer::OpenCSGRenderer(CSGChain *root_chain, CSGChain *highlights_chain,
 								 CSGChain *background_chain, GLint *shaderinfo)
 	: root_chain(root_chain), highlights_chain(highlights_chain), 
@@ -74,22 +76,22 @@ void OpenCSGRenderer::draw(bool /*showfaces*/, bool showedges) const
 void OpenCSGRenderer::renderCSGChain(CSGChain *chain, GLint *shaderinfo, 
 									 bool highlight, bool background) const
 {
+#ifdef ENABLE_OPENCSG
 	std::vector<OpenCSG::Primitive*> primitives;
 	size_t j = 0;
 	for (size_t i = 0;; i++) {
 		bool last = i == chain->objects.size();
 		const CSGChainObject &i_obj = last ? chain->objects[i-1] : chain->objects[i];
-		if (last || i_obj.type == CSGTerm::TYPE_UNION) {
+		if ((last || i_obj.type == CSGTerm::TYPE_UNION) && (i != 0)) {
 			if (j+1 != i) {
 				 OpenCSG::render(primitives);
 				glDepthFunc(GL_EQUAL);
 			}
 			if (shaderinfo) glUseProgram(shaderinfo[0]);
+			const CSGChainObject &parent_obj = chain->objects[j];
 			for (; j < i; j++) {
 				const CSGChainObject &j_obj = chain->objects[j];
 				const Color4f &c = j_obj.color;
-				glPushMatrix();
-				glMultMatrixd(j_obj.matrix.data());
 				csgmode_e csgmode = csgmode_e(
 					(highlight ? 
 					 CSGMODE_HIGHLIGHT :
@@ -97,34 +99,26 @@ void OpenCSGRenderer::renderCSGChain(CSGChain *chain, GLint *shaderinfo,
 					(j_obj.type == CSGTerm::TYPE_DIFFERENCE ? CSGMODE_DIFFERENCE : 0));
 
 				ColorMode colormode = COLORMODE_NONE;
-				if (background) {
-					if (j_obj.flag & CSGTerm::FLAG_HIGHLIGHT) {
+				if (highlight) {
 					colormode = COLORMODE_HIGHLIGHT;
-					}
-					else {
+				} else if (background) {
 					colormode = COLORMODE_BACKGROUND;
-					}
 				} else if (j_obj.type == CSGTerm::TYPE_DIFFERENCE) {
-					if (j_obj.flag & CSGTerm::FLAG_HIGHLIGHT) {
-						colormode = COLORMODE_HIGHLIGHT;
-					}
-					else {
 					colormode = COLORMODE_CUTOUT;
-					}
 				} else {
-					if (j_obj.flag & CSGTerm::FLAG_HIGHLIGHT) {
-						colormode = COLORMODE_HIGHLIGHT;
-					 }
-					else {
 					colormode = COLORMODE_MATERIAL;
 				}
-				}
 
+				if (highlight || !(parent_obj.flag & CSGTerm::FLAG_HIGHLIGHT)) {
 					setColor(colormode, c.data(), shaderinfo);
 
+					glPushMatrix();
+					glMultMatrixd(j_obj.matrix.data());
 					render_surface(j_obj.geom, csgmode, j_obj.matrix, shaderinfo);
 					glPopMatrix();
 				}
+			}
+			
 			if (shaderinfo) glUseProgram(0);
 			for (unsigned int k = 0; k < primitives.size(); k++) {
 				delete primitives[k];
@@ -151,6 +145,7 @@ void OpenCSGRenderer::renderCSGChain(CSGChain *chain, GLint *shaderinfo,
 		}
 	}
 	std::for_each(primitives.begin(), primitives.end(), del_fun<OpenCSG::Primitive>());
+#endif
 }
 
 BoundingBox OpenCSGRenderer::getBoundingBox() const

src/PlatformUtils.cc

@@ -23,7 +23,7 @@ const char *PlatformUtils::OPENSCAD_FOLDER_NAME = "OpenSCAD";
 static std::string lookupResourcesPath()
 {
 	fs::path resourcedir(applicationpath);
-	PRINTDB("Looking up resource folder with application path '%s'", resourcedir.c_str());
+	PRINTDB("Looking up resource folder with application path '%s'", boosty::stringy(resourcedir).c_str());
 	
 #ifdef __APPLE__
 	const char *searchpath[] = {
@@ -33,7 +33,7 @@ static std::string lookupResourcesPath()
 	    NULL
 	};
 #else
-#ifdef WIN32
+#ifdef _WIN32
     const char *searchpath[] = {
         ".", // Release location
         RESOURCE_FOLDER("../share/openscad"), // MSYS2 location
@@ -56,12 +56,14 @@ static std::string lookupResourcesPath()
 	for (int a = 0;searchpath[a] != NULL;a++) {
 	    tmpdir = resourcedir / searchpath[a];
 	    
-	    const fs::path checkdir = tmpdir / "libraries";
-	    PRINTDB("Checking '%s'", checkdir.c_str());
+			// The resource folder is the folder which contains "color-schemes" (as well as 
+			// "examples" and "locale", and optionally "libraries" and "fonts")
+	    const fs::path checkdir = tmpdir / "color-schemes";
+	    PRINTDB("Checking '%s'", boosty::stringy(checkdir).c_str());
 
 	    if (is_directory(checkdir)) {
 		resourcedir = tmpdir;
-		PRINTDB("Found resource folder '%s'", tmpdir.c_str());
+		PRINTDB("Found resource folder '%s'", boosty::stringy(tmpdir).c_str());
 		break;
 	    }
 	}
@@ -111,7 +113,9 @@ std::string PlatformUtils::userLibraryPath()
 	try {
 		std::string pathstr = PlatformUtils::documentsPath();
 		if (pathstr=="") return "";
-		path = boosty::canonical(fs::path( pathstr ));
+		path = fs::path( pathstr );
+		if (!fs::exists(path)) return "";
+		path = boosty::canonical( path );
 		//PRINTB("path size %i",boosty::stringy(path).size());
 		//PRINTB("lib path found: [%s]", path );
 		if (path.empty()) return "";
@@ -132,7 +136,9 @@ std::string PlatformUtils::backupPath()
 	try {
 		std::string pathstr = PlatformUtils::documentsPath();
 		if (pathstr=="") return "";
-		path = boosty::canonical(fs::path( pathstr ));
+		path = fs::path( pathstr );
+		if (!fs::exists(path)) return "";
+		path = boosty::canonical( path );
 		if (path.empty()) return "";
 		path /= OPENSCAD_FOLDER_NAME;
 		path /= "backups";
@@ -185,7 +191,7 @@ fs::path PlatformUtils::resourcePath(const std::string &resource)
 
 int PlatformUtils::setenv(const char *name, const char *value, int overwrite)
 {
-#if defined(WIN32)
+#if defined(_WIN32)
     const char *ptr = getenv(name);
     if ((overwrite == 0) && (ptr != NULL)) {
 	return 0;

src/Polygon2d.cc

@@ -6,8 +6,8 @@
 	Class for holding 2D geometry.
 	
 	This class will hold 2D geometry consisting of a number of closed
-	contours. A polygon can contain holes and islands, as well as
-	intersecting contours.
+	polygons. Each polygon can contain holes and islands. Both polygons,
+	holes and island contours may intersect each other.
 
 	We can store sanitized vs. unsanitized polygons. Sanitized polygons
 	will have opposite winding order for holes and is guaranteed to not

src/Preferences.cc

@@ -32,6 +32,7 @@
 #include <QSettings>
 #include <QStatusBar>
 #include <boost/algorithm/string.hpp>
+#include <boost/foreach.hpp>
 #include "GeometryCache.h"
 #include "AutoUpdater.h"
 #include "feature.h"
@@ -49,7 +50,7 @@ Q_DECLARE_METATYPE(Feature *);
 class SettingsReader : public Settings::Visitor
 {
     QSettings settings;
-    const Value getValue(const Settings::SettingsEntry& entry, const std::string& value) const {
+    Value getValue(const Settings::SettingsEntry& entry, const std::string& value) const {
 	std::string trimmed_value(value);
 	boost::trim(trimmed_value);
 
@@ -101,7 +102,7 @@ class SettingsWriter : public Settings::Visitor
 	    settings.remove(key);
 	    PRINTDB("SettingsWriter D: %s", key.toStdString().c_str());
 	} else {
-	    Value value = s->get(entry);
+	    const Value &value = s->get(entry);
 	    settings.setValue(key, QString::fromStdString(value.toString()));
 	    PRINTDB("SettingsWriter W: %s = '%s'", key.toStdString().c_str() % value.toString().c_str());
 	}
@@ -689,18 +690,17 @@ void Preferences::updateGUI()
 void Preferences::initComboBox(QComboBox *comboBox, const Settings::SettingsEntry& entry)
 {
 	comboBox->clear();
-	Value::VectorType vector = entry.range().toVector();
-	for (Value::VectorType::iterator it = vector.begin();it != vector.end();it++) {
-		QString val = QString::fromStdString((*it)[0].toString());
-		std::string text((*it)[1].toString());
-		QString qtext = QString::fromStdString(gettext(text.c_str()));
+	// Range is a vector of 2D vectors: [[name, value], ...]
+	BOOST_FOREACH(const ValuePtr &v, entry.range().toVector()) {
+		QString val = QString::fromStdString(v[0]->toString());
+		QString qtext = QString::fromStdString(gettext(v[1]->toString().c_str()));
 		comboBox->addItem(qtext, val);
 	}
 }
 
 void Preferences::initSpinBox(QSpinBox *spinBox, const Settings::SettingsEntry& entry)
 {
-	Value::RangeType range = entry.range().toRange();
+	RangeType range = entry.range().toRange();
 	spinBox->setMinimum(range.begin_value());
 	spinBox->setMaximum(range.end_value());
 }
@@ -709,13 +709,13 @@ void Preferences::updateComboBox(QComboBox *comboBox, const Settings::SettingsEn
 {
 	Settings::Settings *s = Settings::Settings::inst();
 
-	Value value = s->get(entry);
+	const Value &value = s->get(entry);
 	QString text = QString::fromStdString(value.toString());
 	int idx = comboBox->findData(text);
 	if (idx >= 0) {
 		comboBox->setCurrentIndex(idx);
 	} else {
-		Value defaultValue = entry.defaultValue();
+		const Value &defaultValue = entry.defaultValue();
 		QString defaultText = QString::fromStdString(defaultValue.toString());
 		int defIdx = comboBox->findData(defaultText);
 		if (defIdx >= 0) {

src/Preferences.ui

@@ -1333,7 +1333,7 @@
             <item>
              <widget class="QCheckBox" name="mdiCheckBox">
               <property name="text">
-               <string>Allow to open multiple documents</string>
+               <string>Allow opening multiple documents</string>
               </property>
              </widget>
             </item>

src/QGLView.cc

@@ -50,17 +50,19 @@
 #  include <opencsg.h>
 #endif
 
-QGLView::QGLView(QWidget *parent) : QGLWidget(parent)
-{
-  init();
-}
-
-QGLView::QGLView(const QGLFormat & format, QWidget *parent) : QGLWidget(format, parent)
+QGLView::QGLView(QWidget *parent) :
+#ifdef USE_QOPENGLWIDGET
+	QOpenGLWidget(parent)
+#else
+	QGLWidget(parent)
+#endif
 {
   init();
 }
 
+#if defined(_WIN32) && !defined(USE_QOPENGLWIDGET)
 static bool running_under_wine = false;
+#endif
 
 void QGLView::init()
 {
@@ -71,8 +73,10 @@ void QGLView::init()
 
   setMouseTracking(true);
 
+
+
+#if defined(_WIN32) && !defined(USE_QOPENGLWIDGET)
 // see paintGL() + issue160 + wine FAQ
-#ifdef _WIN32
 #include <windows.h>
   HMODULE hntdll = GetModuleHandle(L"ntdll.dll");
   if (hntdll)
@@ -109,7 +113,13 @@ std::string QGLView::getRendererInfo() const
   std::string glewinfo = glew_dump();
   std::string glextlist = glew_extensions_dump();
 	// Don't translate as translated text in the Library Info dialog is not wanted
-  return glewinfo + std::string("\nUsing QGLWidget\n\n") + glextlist;
+  return glewinfo + 
+#ifdef USE_QOPENGLWIDGET
+		std::string("\nUsing QOpenGLWidget\n\n")
+#else
+		std::string("\nUsing QGLWidget\n\n")
+#endif
+		+ glextlist;
 }
 
 #ifdef ENABLE_OPENCSG
@@ -135,14 +145,11 @@ void QGLView::display_opencsg_warning_dialog()
   message += _("It is highly recommended to use OpenSCAD on a system with "
     "OpenGL 2.0 or later.\n"
     "Your renderer information is as follows:\n");
-  QString rendererinfo;
-  rendererinfo.sprintf(_("GLEW version %s\n"
-                       "%s (%s)\n"
-                       "OpenGL version %s\n"),
-                       glewGetString(GLEW_VERSION),
-                       glGetString(GL_RENDERER), glGetString(GL_VENDOR),
-                       glGetString(GL_VERSION));
-  message += rendererinfo;
+  QString rendererinfo(_("GLEW version %1\n%2 (%3)\nOpenGL version %4\n"));
+  message += rendererinfo.arg((const char *)glewGetString(GLEW_VERSION),
+                       (const char *)glGetString(GL_RENDERER),
+                       (const char *)glGetString(GL_VENDOR),
+                       (const char *)glGetString(GL_VERSION));
 
   dialog->setText(message);
   dialog->enableOpenCSGBox->setChecked(Preferences::inst()->getValue("advanced/enable_opencsg_opengl1x").toBool());
@@ -167,7 +174,9 @@ void QGLView::paintGL()
     statusLabel->setText(QString::fromStdString(nc.statusText()));
   }
 
+#if defined(_WIN32) && !defined(USE_QOPENGLWIDGET)
   if (running_under_wine) swapBuffers();
+#endif
 }
 
 void QGLView::mousePressEvent(QMouseEvent *event)
@@ -297,11 +306,12 @@ void QGLView::mouseReleaseEvent(QMouseEvent*)
   releaseMouse();
 }
 
-void QGLView::grabFrame()
+const QImage & QGLView::grabFrame()
 {
 	// Force reading from front buffer. Some configurations will read from the back buffer here.
 	glReadBuffer(GL_FRONT);
 	this->frame = grabFrameBuffer();
+	return this->frame;
 }
 
 bool QGLView::save(const char *filename)

src/QGLView.h

@@ -1,7 +1,13 @@
 #pragma once
 
 #include "system-gl.h"
+#include <QtGlobal>
+
+#ifdef USE_QOPENGLWIDGET
+#include <QOpenGLWidget>
+#else
 #include <QGLWidget>
+#endif
 #include <QLabel>
 
 #include <Eigen/Core>
@@ -9,7 +15,13 @@
 #include "GLView.h"
 #include "renderer.h"
 
-class QGLView : public QGLWidget, public GLView
+class QGLView :
+#ifdef USE_QOPENGLWIDGET
+		public QOpenGLWidget,
+#else
+		public QGLWidget,
+#endif
+		public GLView
 {
 	Q_OBJECT
 	Q_PROPERTY(bool showFaces READ showFaces WRITE setShowFaces);
@@ -21,7 +33,6 @@ class QGLView : public QGLWidget, public GLView
 
 public:
 	QGLView(QWidget *parent = NULL);
-	QGLView(const QGLFormat & format, QWidget *parent = NULL);
 #ifdef ENABLE_OPENCSG
 	bool hasOpenCSGSupport() { return this->opencsg_support; }
 #endif
@@ -43,7 +54,7 @@ public:
 	float getDPI() { return this->devicePixelRatio(); }
 #endif
 	
-	void grabFrame();
+	const QImage & grabFrame();
 	bool save(const char *filename);
 	void resetView();
 	void viewAll();
@@ -51,10 +62,15 @@ public:
 public slots:
 	void ZoomIn(void);
 	void ZoomOut(void);
+#ifdef USE_QOPENGLWIDGET
+	inline void updateGL() { update(); }
+#endif
 
 public:
 	QLabel *statusLabel;
-
+#ifdef USE_QOPENGLWIDGET
+	inline QImage grabFrameBuffer() { return grabFramebuffer(); }
+#endif
 private:
 	void init();