diff options
Diffstat (limited to 'src/gui')
| -rw-r--r-- | src/gui/doc/snippets/code/src_gui_vulkan_qvulkaninstance.cpp | 2 | ||||
| -rw-r--r-- | src/gui/image/qpixmap_win.cpp | 7 | ||||
| -rw-r--r-- | src/gui/painting/qpaintengine_raster.cpp | 8 |
3 files changed, 14 insertions, 3 deletions
diff --git a/src/gui/doc/snippets/code/src_gui_vulkan_qvulkaninstance.cpp b/src/gui/doc/snippets/code/src_gui_vulkan_qvulkaninstance.cpp index 50afe7c0ff..c4dd9fea18 100644 --- a/src/gui/doc/snippets/code/src_gui_vulkan_qvulkaninstance.cpp +++ b/src/gui/doc/snippets/code/src_gui_vulkan_qvulkaninstance.cpp @@ -102,7 +102,7 @@ } bool event(QEvent *e) { - if (e->type == QEvent::UpdateRequest) + if (e->type() == QEvent::UpdateRequest) render(); return QWindow::event(e); } diff --git a/src/gui/image/qpixmap_win.cpp b/src/gui/image/qpixmap_win.cpp index 68d204d76e..3a2db74098 100644 --- a/src/gui/image/qpixmap_win.cpp +++ b/src/gui/image/qpixmap_win.cpp @@ -422,8 +422,11 @@ static QImage imageFromWinHBITMAP_GetDiBits(HBITMAP bitmap, bool forceQuads, int if (info.bmiHeader.biHeight > 0) // Force top-down info.bmiHeader.biHeight = -info.bmiHeader.biHeight; info.bmiHeader.biCompression = BI_RGB; // Extract using no compression (can be BI_BITFIELD) - if (forceQuads) + size_t allocSize = info.bmiHeader.biSizeImage; + if (forceQuads) { info.bmiHeader.biBitCount = 32; + allocSize = info.bmiHeader.biWidth * qAbs(info.bmiHeader.biHeight) * 4; + } const QImage::Format imageFormat = imageFromWinHBITMAP_Format(info.bmiHeader, hbitmapFormat); if (imageFormat == QImage::Format_Invalid) { @@ -431,7 +434,7 @@ static QImage imageFromWinHBITMAP_GetDiBits(HBITMAP bitmap, bool forceQuads, int return QImage(); } - QScopedPointer<uchar> data(new uchar[info.bmiHeader.biSizeImage]); + QScopedArrayPointer<uchar> data(new uchar[allocSize]); if (!GetDIBits(displayDc, bitmap, 0, qAbs(info.bmiHeader.biHeight), data.data(), &info, DIB_RGB_COLORS)) { qErrnoWarning("%s: GetDIBits() failed to get data.", __FUNCTION__); return QImage(); diff --git a/src/gui/painting/qpaintengine_raster.cpp b/src/gui/painting/qpaintengine_raster.cpp index 729029e233..650fffbd76 100644 --- a/src/gui/painting/qpaintengine_raster.cpp +++ b/src/gui/painting/qpaintengine_raster.cpp @@ -997,6 +997,10 @@ void QRasterPaintEnginePrivate::drawImage(const QPointF &pt, { if (alpha == 0 || !clip.isValid()) return; + if (pt.x() > qreal(clip.right()) || pt.y() > qreal(clip.bottom())) + return; + if ((pt.x() + img.width()) < qreal(clip.left()) || (pt.y() + img.height()) < qreal(clip.top())) + return; Q_ASSERT(img.depth() >= 8); @@ -1063,6 +1067,10 @@ void QRasterPaintEnginePrivate::blitImage(const QPointF &pt, { if (!clip.isValid()) return; + if (pt.x() > qreal(clip.right()) || pt.y() > qreal(clip.bottom())) + return; + if ((pt.x() + img.width()) < qreal(clip.left()) || (pt.y() + img.height()) < qreal(clip.top())) + return; Q_ASSERT(img.depth() >= 8); |