53 lines
1.8 KiB
Python
53 lines
1.8 KiB
Python
from PIL import Image
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def remove_checkerboard(input_path, output_path):
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"""Remove gray/white checkerboard pattern and make background transparent"""
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img = Image.open(input_path).convert('RGBA')
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pixels = img.load()
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width, height = img.size
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print(f"Image size: {width}x{height}")
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modified = 0
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for y in range(height):
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for x in range(width):
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r, g, b, a = pixels[x, y]
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# Skip if already transparent
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if a == 0:
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continue
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# Check if pixel is grayscale (R ≈ G ≈ B)
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is_grayscale = abs(r - g) < 20 and abs(g - b) < 20 and abs(r - b) < 20
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brightness = (r + g + b) / 3
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should_remove = False
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# Remove checkerboard grays (common values: 204, 153, 192, 128, 255)
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if is_grayscale and brightness > 100:
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should_remove = True
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# Remove very bright pixels
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if brightness > 200:
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should_remove = True
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# Remove pure white
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if r > 240 and g > 240 and b > 240:
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should_remove = True
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if should_remove:
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pixels[x, y] = (r, g, b, 0) # Make transparent
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modified += 1
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img.save(output_path, 'PNG')
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print(f"✅ Processed! Removed {modified} background pixels")
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print(f"📁 Saved to: {output_path}")
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if __name__ == "__main__":
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# Use the ORIGINAL image you uploaded
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input_file = r"C:\Users\hipod\.gemini\antigravity\brain\70050185-4972-4413-9765-559b6f2ad1cc\uploaded_image_1765710182006.jpg"
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output_file = r"c:\novafarma\assets\sprites\player_walking_clean.png"
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remove_checkerboard(input_file, output_file)
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