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Fixed a potential invalid read access problem.

This commit is contained in:
Matthias Koefferlein 2021-05-12 22:46:54 +02:00
parent f5afdd91a5
commit e7ae7338b4
1 changed files with 7 additions and 0 deletions
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7
src/laybasic/laybasic/layRedrawThreadCanvas.cc
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@ -396,6 +396,13 @@ BitmapRedrawThreadCanvas::initialize_plane (lay::CanvasPlane *plane, unsigned in
void
BitmapRedrawThreadCanvas::to_image (const std::vector <lay::ViewOp> &view_ops, const lay::DitherPattern &dp, const lay::LineStyles &ls, QColor background, QColor foreground, QColor active, const lay::Drawings *drawings, QImage &img, unsigned int width, unsigned int height)
{
if (width > m_width) {
width = m_width;
}
if (height > m_height) {
height = m_height;
}
// convert the plane data to image data
bitmaps_to_image (view_ops, mp_plane_buffers, dp, ls, &img, width, height, true, &mutex ());