65 lines
2.2 KiB
Python
65 lines
2.2 KiB
Python
#!/usr/bin/env python3
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#
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# Marlin 3D Printer Firmware
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# Copyright (c) 2021 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
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#
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# Based on Sprinter and grbl.
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# Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <https://www.gnu.org/licenses/>.
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#
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# Generate Marlin TFT Images from bitmaps/PNG/JPG
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import sys,struct
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from PIL import Image
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def image2bin(image, output_file):
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if output_file.endswith(('.c', '.cpp')):
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f = open(output_file, 'wt')
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is_cpp = True
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f.write("const uint16_t image[%d] = {\n" % (image.size[1] * image.size[0]))
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else:
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f = open(output_file, 'wb')
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is_cpp = False
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pixs = image.load()
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for y in range(image.size[1]):
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for x in range(image.size[0]):
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R = pixs[x, y][0] >> 3
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G = pixs[x, y][1] >> 2
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B = pixs[x, y][2] >> 3
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rgb = (R << 11) | (G << 5) | B
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if is_cpp:
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strHex = '0x{0:04X}, '.format(rgb)
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f.write(strHex)
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else:
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f.write(struct.pack("B", (rgb & 0xFF)))
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f.write(struct.pack("B", (rgb >> 8) & 0xFF))
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if is_cpp:
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f.write("\n")
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if is_cpp:
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f.write("};\n")
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f.close()
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if len(sys.argv) <= 2:
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print("Utility to export a image in Marlin TFT friendly format.")
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print("It will dump a raw bin RGB565 image or create a CPP file with an array of 16 bit image pixels.")
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print("Usage: gen-tft-image.py INPUT_IMAGE.(png|bmp|jpg) OUTPUT_FILE.(cpp|bin)")
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print("Author: rhapsodyv")
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exit(1)
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output_img = sys.argv[2]
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img = Image.open(sys.argv[1])
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image2bin(img, output_img)
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