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pixel: correct RGB555 to RGBA conversion logic

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sago35
2025-11-10 19:33:39 +09:00
committed by Ron Evans
parent 5847506ba6
commit 027c91272e
1 changed files with 3 additions and 3 deletions
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pixel/pixel.go
+3 -3
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@@ -161,9 +161,9 @@ func (c RGB555) BitsPerPixel() int {
func (c RGB555) RGBA() color.RGBA { func (c RGB555) RGBA() color.RGBA {
color := color.RGBA{ color := color.RGBA{
R: uint8(c>>10) << 3, R: (uint8(c) & 0x1F) << 3,
G: uint8(c>>5) << 3, G: (uint8(c>>5) & 0x1F) << 3,
B: uint8(c) << 3, B: (uint8(c>>10) & 0x1F) << 3,
A: 255, A: 255,
} }
// Correct color rounding, so that 0xff roundtrips back to 0xff. // Correct color rounding, so that 0xff roundtrips back to 0xff.