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This commit is contained in:
Phillip Burgess 2018-11-18 16:17:55 -08:00
parent fda3bfd2d2
commit 4b4a2b7e95
2 changed files with 17 additions and 9 deletions
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8
Adafruit_ImageReader.cpp
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@ -136,6 +136,14 @@ int16_t Adafruit_Image::height(void) {
/*!
@brief Draw image to an Adafruit_SPITFT-type display.
@param tft
Screen to draw to (any Adafruit_SPITFT-derived class).
@param x
Horizontal offset in pixels; left edge = 0, positive = right.
Value is signed, image will be clipped if all or part is off
the screen edges. Screen rotation setting is observed.
@param y
Vertical offset in pixels; top edge = 0, positive = down.
@return None (void).
*/
void Adafruit_Image::draw(Adafruit_SPITFT &tft, int16_t x, int16_t y) {

18
Adafruit_ImageReader.h
View file

@ -46,15 +46,15 @@ class Adafruit_Image {
protected:
// MOST OF THESE ARE NOT SUPPORTED YET -- WIP
union { // Single pointer, only one variant is used:
GFXcanvas1 *canvas1; // Canvas object if 1bpp format
GFXcanvas8 *canvas8; // Canvas object if 8bpp format
GFXcanvas16 *canvas16; // Canvas object if 16bpp
} canvas;
GFXcanvas1 *mask; // 1bpp image mask (or NULL)
uint16_t *palette; // Color palette for 8bpp image (or NULL)
uint8_t format; // Canvas bundle type in use
void dealloc(void); // Free/deinitialize variables
friend class Adafruit_ImageReader;
GFXcanvas1 *canvas1; ///< Canvas object if 1bpp format
GFXcanvas8 *canvas8; ///< Canvas object if 8bpp format
GFXcanvas16 *canvas16; ///< Canvas object if 16bpp
} canvas; ///< Union of different GFXcanvas types
GFXcanvas1 *mask; ///< 1bpp image mask (or NULL)
uint16_t *palette; ///< Color palette for 8bpp image (or NULL)
uint8_t format; ///< Canvas bundle type in use
void dealloc(void); ///< Free/deinitialize variables
friend class Adafruit_ImageReader; ///< Loading occurs here
};
/*!