24 lines
797 B
Python
24 lines
797 B
Python
from PIL import Image
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def generate_bitmap(input_path, output_path):
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# 1. Resize to 90x90
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img = Image.open(input_path).convert('1').resize((90, 90))
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width, height = img.size
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# Calculate bytes per row (90 pixels needs 12 bytes)
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bytes_per_row = (width + 7) // 8
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bitmap = bytearray(bytes_per_row * height) # 1080 bytes total
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for y in range(height):
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for x in range(width):
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if img.getpixel((x, y)) == 0: # 0 is black
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byte_idx = y * bytes_per_row + (x // 8)
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bit_idx = 7 - (x % 8)
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bitmap[byte_idx] |= (1 << bit_idx)
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with open(output_path, "wb") as f:
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f.write(bitmap)
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print(f"Created {output_path} with size: {len(bitmap)} bytes")
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generate_bitmap("logo.png", "./data/logo.bin")
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