72 lines
2.3 KiB
Python
72 lines
2.3 KiB
Python
# The MIT License (MIT)
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#
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# Copyright (c) 2019 Dave Astels for Adafruit Industries
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#
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# Permission is hereby granted, free of charge, to any person obtaining a copy
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# of this software and associated documentation files (the "Software"), to deal
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# in the Software without restriction, including without limitation the rights
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# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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# copies of the Software, and to permit persons to whom the Software is
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# furnished to do so, subject to the following conditions:
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#
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# The above copyright notice and this permission notice shall be included in
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# all copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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# THE SOFTWARE.
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"""Example of using save_bitmap"""
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import board
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import busio
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import digitalio
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from displayio import Bitmap, Palette
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import adafruit_sdcard
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import storage
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from adafruit_bitmapsaver import save_pixels
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# pylint:disable=invalid-name
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print("Setting up SD card")
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spi = busio.SPI(board.SCK, MOSI=board.MOSI, MISO=board.MISO)
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cs = digitalio.DigitalInOut(board.SD_CS)
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sdcard = adafruit_sdcard.SDCard(spi, cs)
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vfs = storage.VfsFat(sdcard)
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storage.mount(vfs, "/sd")
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WHITE = 0xFFFFFF
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BLACK = 0x000000
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RED = 0xFF0000
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ORANGE = 0xFFA500
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YELLOW = 0xFFFF00
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GREEN = 0x00FF00
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BLUE = 0x0000FF
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PURPLE = 0x800080
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PINK = 0xFFC0CB
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colors = (BLACK, RED, ORANGE, YELLOW, GREEN, BLUE, PURPLE, WHITE)
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print("Building sample bitmap and palette")
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bitmap = Bitmap(16, 16, 9)
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palette = Palette(len(colors))
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for i, c in enumerate(colors):
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palette[i] = c
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for x in range(16):
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for y in range(16):
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if x == 0 or y == 0 or x == 15 or y == 15:
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bitmap[x, y] = 1
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elif x == y:
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bitmap[x, y] = 4
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elif x == 15 - y:
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bitmap[x, y] = 5
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else:
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bitmap[x, y] = 0
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print("Saving bitmap")
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save_pixels("/sd/test.bmp", bitmap, palette)
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