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improved lastCoordinate calculation

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Damian Schneider 2025-11-13 18:26:00 +01:00
parent 3b14c31e00
commit 79376bbc58
1 changed files with 2 additions and 2 deletions
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wled00/image_loader.cpp
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@ -85,8 +85,8 @@ void drawPixelCallback2D(int16_t x, int16_t y, uint8_t red, uint8_t green, uint8
// simple nearest-neighbor scaling // simple nearest-neighbor scaling
int outY = (int)y * activeSeg->vHeight() / gifHeight; int outY = (int)y * activeSeg->vHeight() / gifHeight;
int outX = (int)x * activeSeg->vWidth() / gifWidth; int outX = (int)x * activeSeg->vWidth() / gifWidth;
if (outX + outY == lastCoordinate) return; // skip setting same coordinate again if (((outY << 16) | outX) == lastCoordinate) return; // skip setting same coordinate again
lastCoordinate = outX + outY; // since input is a "scanline" this is sufficient to identify a "unique" coordinate lastCoordinate = (outY << 16) | outX; // since input is a "scanline" this is sufficient to identify a "unique" coordinate
// set multiple pixels if upscaling // set multiple pixels if upscaling
for (int i = 0; i < perPixelX; i++) { for (int i = 0; i < perPixelX; i++) {
for (int j = 0; j < perPixelY; j++) { for (int j = 0; j < perPixelY; j++) {