diff options
| -rw-r--r-- | src/gui/painting/qwindowsurface_s60.cpp | 23 |
1 files changed, 22 insertions, 1 deletions
diff --git a/src/gui/painting/qwindowsurface_s60.cpp b/src/gui/painting/qwindowsurface_s60.cpp index 50278ce..85190c2 100644 --- a/src/gui/painting/qwindowsurface_s60.cpp +++ b/src/gui/painting/qwindowsurface_s60.cpp @@ -15,6 +15,7 @@ #include <private/qwidget_p.h> #include "qwindowsurface_s60_p.h" #include "qt_s60_p.h" +#include "private/qdrawhelper_p.h" QT_BEGIN_NAMESPACE @@ -61,7 +62,7 @@ QS60WindowSurface::~QS60WindowSurface() delete d_ptr; } -void QS60WindowSurface::beginPaint(const QRegion &) +void QS60WindowSurface::beginPaint(const QRegion &rgn) { if(!d_ptr->bitmap) return; @@ -69,6 +70,26 @@ void QS60WindowSurface::beginPaint(const QRegion &) Q_ASSERT(!QS60WindowSurfacePrivate::lockedSurface); QS60WindowSurfacePrivate::lockedSurface = this; lockBitmapHeap(); + + if (!qt_widget_private(window())->isOpaque) { + QRgb *data = reinterpret_cast<QRgb *>(d_ptr->device.bits()); + const int row_stride = d_ptr->device.bytesPerLine() / 4; + + const QVector<QRect> rects = rgn.rects(); + for (QVector<QRect>::const_iterator it = rects.begin(); it != rects.end(); ++it) { + const int x_start = it->x(); + const int width = it->width(); + + const int y_start = it->y(); + const int height = it->height(); + + QRgb *row = data + row_stride * y_start; + for (int y = 0; y < height; ++y) { + qt_memfill(row + x_start, 0U, width); + row += row_stride; + } + } + } } void QS60WindowSurface::flush(QWidget *widget, const QRegion ®ion, const QPoint &) |