lba.gitea/WLED
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

XY: minor bugfix

Browse Source 
properly handle width=0 OR height=0
This commit is contained in:
Frank 2023-07-06 09:54:12 +02:00 committed by GitHub
parent fa281a0df0
commit 196779ffb6
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 2 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
wled00/FX_2Dfcn.cpp
View File

@ -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 /*IRAM_ATTR*/ Segment::XY(uint16_t x, uint16_t y) {
uint16_t width = virtualWidth(); // segment width in logical pixels uint16_t width = virtualWidth(); // segment width in logical pixels
uint16_t height = virtualHeight(); // segment height 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; return (x%width) + (y%height) * width;
} }