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xcf: Fix crash on malformed files

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This commit is contained in:
Albert Astals Cid 2024-07-29 20:53:13 +02:00
parent 23e9fec869
commit 51921e8ee5
1 changed files with 1 additions and 1 deletions
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src/imageformats/xcf.cpp
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@ -1672,7 +1672,7 @@ bool XCFImageFormat::assignImageBytes(Layer &layer, uint i, uint j, const GimpPr
for (int y = 0; y < height; y++) {
uchar *dataPtr = bits + y * bytesPerLine;
uchar *alphaPtr = nullptr;
if (!layer.alpha_tiles.isEmpty()) {
if (layer.alpha_tiles.size() > j && layer.alpha_tiles.at(j).size() > i) {
QImage &alphaTile = layer.alpha_tiles[j][i];
if (alphaTile.width() >= width && alphaTile.height() > y) {
alphaPtr = alphaTile.scanLine(y);