60 lines
1.8 KiB
Python
60 lines
1.8 KiB
Python
import os
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from args import args
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from PIL import Image
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import struct
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def extractPaletteFromImage(image):
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# goes through and finds all unique colors in the image
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if image.mode != 'RGBA':
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image = image.convert('RGBA')
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pixels = list(image.getdata())
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uniqueColors = []
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for color in pixels:
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if color not in uniqueColors:
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uniqueColors.append(color)
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return uniqueColors
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def savePalette(pixels, outputFilePath):
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colorCount = len(pixels)
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buf = bytearray(b"DPF")
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buf += struct.pack("<i", colorCount) # little-endian int32_t
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for r, g, b, a in pixels: # each channel 0..255
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buf += struct.pack("BBBB", r, g, b, a) # raw bytes
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os.makedirs(os.path.dirname(outputFilePath), exist_ok=True)
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with open(outputFilePath, "wb") as f:
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f.write(buf)
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def processPalette(assetPath):
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# Process the image file
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print(f"Processing palette: {assetPath}")
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# Load the image
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image = Image.open(assetPath)
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pixels = extractPaletteFromImage(image)
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# Save the processed image to the output directory
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fileNameWithoutExt = os.path.splitext(os.path.basename(assetPath))[0]
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outputFilePath = os.path.join(args.output_assets, f"{fileNameWithoutExt}.dpf")
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os.makedirs(os.path.dirname(outputFilePath), exist_ok=True)
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savePalette(pixels, outputFilePath)
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outputRelative = os.path.relpath(outputFilePath, args.output_assets)
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return {
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"outputFile": outputRelative,
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"paletteColors": len(pixels),
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"files": [ outputFilePath ]
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}
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def processImage(assetPath):
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print(f"Processing image: {assetPath}")
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# Load the image
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image = Image.open(assetPath)
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pixels = extractPaletteFromImage(image)
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return {
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# "outputFile": os.path.relpath(assetPath, args.input_assets),
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# "paletteColors": len(pixels),
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"files": [ assetPath ]
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} |