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XY: minor bugfix

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properly handle width=0 OR height=0
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Frank 2023-07-06 09:54:12 +02:00 committed by GitHub
parent fa281a0df0
commit 196779ffb6
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1 changed files with 2 additions and 1 deletions
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wled00/FX_2Dfcn.cpp
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@ -191,7 +191,8 @@ uint32_t WS2812FX::getPixelColorXY(uint16_t x, uint16_t y) {
uint16_t /*IRAM_ATTR*/ Segment::XY(uint16_t x, uint16_t y) {
uint16_t width = virtualWidth(); // segment width in logical pixels
uint16_t height = virtualHeight(); // segment height in logical pixels
if ((width == 0) || (height == 0)) return 0; // softhack007 avoid div/0
if (width == 0) return 0; // softhack007 avoid div/0
if (height == 0) return (x%width); // softhack007 avoid div/0
return (x%width) + (y%height) * width;
}