mirror of
https://github.com/MarlinFirmware/Marlin.git
synced 2024-12-01 15:53:05 +00:00
76 lines
2.8 KiB
Python
Executable File
76 lines
2.8 KiB
Python
Executable File
#!/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, transparency):
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w, h = image.size[0], image.size[1]
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print(f"Converting image with dimensions {w}x{h}...")
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if output_file.endswith(('.c', '.cpp')):
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is_cpp = True
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row_sp, item_sp = (" ", "") if w >= 480 else (" ", " ")
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row_end, data_end = "\n", "};\n"
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f = open(output_file, 'wt')
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f.write("const uint16_t image[%d] = {\n" % (h * w))
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else:
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is_cpp = False
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row_sp, row_end, data_end = b"", b"", b""
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f = open(output_file, 'wb')
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tcolor, got_tcolor = 0, False
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pixs = image.load()
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for y in range(h):
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f.write(row_sp)
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for x in range(w):
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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 transparency:
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if not got_tcolor:
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got_tcolor = True
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tcolor = rgb # First pixel color is transparent
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if rgb == tcolor: rgb = 1 # "color 1" is transparent
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if is_cpp:
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strHex = item_sp + "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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f.write(row_end)
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f.write(data_end)
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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) [--transparency]")
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print("Authors: rhapsodyv, thinkyhead")
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exit(1)
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transparency = len(sys.argv) > 3 and sys.argv[3] == "--transparency"
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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, transparency)
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