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Enables opening of XCF files with Width and/or Height greater than 32K

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Mirco Miranda 2022-09-13 17:57:57 +00:00 committed by Albert Astals Cid
parent 024d199ed0
commit 21928300c6
1 changed files with 4 additions and 1 deletions
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src/imageformats/xcf.cpp
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@ -1097,9 +1097,12 @@ bool XCFImageFormat::composeTiles(XCFImage &xcf_image)
qCDebug(XCFPLUGIN) << "LAYER: height=" << layer.height << ", width=" << layer.width; qCDebug(XCFPLUGIN) << "LAYER: height=" << layer.height << ", width=" << layer.width;
qCDebug(XCFPLUGIN) << "LAYER: rows=" << layer.nrows << ", columns=" << layer.ncols; qCDebug(XCFPLUGIN) << "LAYER: rows=" << layer.nrows << ", columns=" << layer.ncols;
// NOTE: starting from GIMP 2.10, images can be very large. The 32K limit for width and height is obsolete
// and it was changed to 300000 (the same as Photoshop Big image). This plugin was able to open an RGB
// image of 108000x40000 pixels saved with GIMP 2.10
// SANITY CHECK: Catch corrupted XCF image file where the width or height // SANITY CHECK: Catch corrupted XCF image file where the width or height
// of a tile is reported are bogus. See Bug# 234030. // of a tile is reported are bogus. See Bug# 234030.
if (layer.width > 32767 || layer.height > 32767 || (sizeof(void *) == 4 && layer.width * layer.height > 16384 * 16384)) { if (layer.width > 300000 || layer.height > 300000 || (sizeof(void *) == 4 && layer.width * layer.height > 16384 * 16384)) {
return false; return false;
} }