ScStw/ESP32-HUB75-MatrixPanel-DMA
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Merge pull request #240 from solhuebner/patch-3

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Fix boundary check of VirtualMatrixPanel getCoords
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mrfaptastic 2022-01-13 15:32:24 +00:00 committed by GitHub
commit c682a7e5e3
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1 changed files with 8 additions and 8 deletions
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14
ESP32-VirtualMatrixPanel-I2S-DMA.h
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@ -134,18 +134,18 @@ inline VirtualCoords VirtualMatrixPanel::getCoords(int16_t &x, int16_t &y) {
//Serial.println("Called Base."); //Serial.println("Called Base.");
coords.x = coords.y = -1; // By defalt use an invalid co-ordinates that will be rejected by updateMatrixDMABuffer coords.x = coords.y = -1; // By defalt use an invalid co-ordinates that will be rejected by updateMatrixDMABuffer
// We want to rotate?
if (_rotate){
int16_t temp_x=x;
x=y;
y=virtualResY-1-temp_x;
}
if ( x < 0 || x >= virtualResX || y < 0 || y >= virtualResY ) { // Co-ordinates go from 0 to X-1 remember! otherwise they are out of range! if ( x < 0 || x >= virtualResX || y < 0 || y >= virtualResY ) { // Co-ordinates go from 0 to X-1 remember! otherwise they are out of range!
//Serial.printf("VirtualMatrixPanel::getCoords(): Invalid virtual display coordinate. x,y: %d, %d\r\n", x, y); //Serial.printf("VirtualMatrixPanel::getCoords(): Invalid virtual display coordinate. x,y: %d, %d\r\n", x, y);
return coords; return coords;
} }
// We want to rotate?
if (_rotate){
uint16_t temp_x=x;
x=y;
y=virtualResY-1-temp_x;
}
// Stupidity check // Stupidity check
if ( (vmodule_rows == 1) && (vmodule_cols == 1)) // single panel... if ( (vmodule_rows == 1) && (vmodule_cols == 1)) // single panel...
{ {