fix(dither): indexed color mode palette handling - #4
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Fixes #2 DrawWithDither now detects color mode and uses palette indices in indexed mode instead of pixel colors, preventing transparent pixels.
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Fixes #2
Problem
draw_with_dithercreated transparent pixels in indexed color mode instead of the expected dithering pattern.Root Cause
The function used
app.pixelColor.rgba()to create colors, but in indexed color modeimg:drawPixel()expects palette indices (0-255), not pixel color values.Solution
findNearestPaletteIndex()helper to find nearest palette colorTesting