diff options
| author | Allan Sandfeld Jensen <allan.jensen@qt.io> | 2019-02-13 11:31:14 +0100 |
|---|---|---|
| committer | Allan Sandfeld Jensen <allan.jensen@qt.io> | 2020-02-20 16:11:02 +0100 |
| commit | 14f1ec186f87ce50037044ccb079463676518ec5 (patch) | |
| tree | 7e0918d1889cc93d52c5e996e79a733b2728e37b /src/gui/text/qfontengine.cpp | |
| parent | a99d7cf37213f86c8be55fc80a9785ec9a0d382d (diff) | |
Make bytes-per-line safe for int overflow
Goes through the Qt code and make sure bytes-per-line calculations are
safe when they are too big for 32bit integers.
Change-Id: I88b2d74b3da82e91407d316aa932a4a37587c0cf
Reviewed-by: Lars Knoll <lars.knoll@qt.io>
Diffstat (limited to 'src/gui/text/qfontengine.cpp')
| -rw-r--r-- | src/gui/text/qfontengine.cpp | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/src/gui/text/qfontengine.cpp b/src/gui/text/qfontengine.cpp index 3ca9e9bbde..38814937f6 100644 --- a/src/gui/text/qfontengine.cpp +++ b/src/gui/text/qfontengine.cpp @@ -804,14 +804,14 @@ void QFontEngine::addBitmapFontToPath(qreal x, qreal y, const QGlyphLayout &glyp const int w = alphaMask.width(); const int h = alphaMask.height(); - const int srcBpl = alphaMask.bytesPerLine(); + const qsizetype srcBpl = alphaMask.bytesPerLine(); QImage bitmap; if (alphaMask.depth() == 1) { bitmap = alphaMask; } else { bitmap = QImage(w, h, QImage::Format_Mono); const uchar *imageData = alphaMask.bits(); - const int destBpl = bitmap.bytesPerLine(); + const qsizetype destBpl = bitmap.bytesPerLine(); uchar *bitmapData = bitmap.bits(); for (int yi = 0; yi < h; ++yi) { |