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qpa: Fix rendering issue in blitter paint engine

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Take into account brush transformation for TexturePattern fill.
Example : arrows are not rendered propery in
http://www.youtube.com/leanback website.

Change-Id: I5d4bc7410d1d589a27cf17e84062096cfbdb4d6f
Reviewed-by: Samuel Rødal <samuel.rodal@digia.com>
This commit is contained in:
Julien Brianceau 2012-10-05 15:41:28 +02:00 committed by The Qt Project
parent 9e4e76d2f8
commit 2f26560027
1 changed files with 5 additions and 4 deletions
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9
src/gui/painting/qpaintengine_blitter.cpp
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@ -558,7 +558,8 @@ void QBlitterPaintEngine::fillRect(const QRectF &rect, const QBrush &brush)
&& qbrush_color(brush).alpha() == 0xff
&& d->caps.canBlitterFillRect()) {
d->fillRect(rect, qbrush_color(brush), false);
} else if (brush.style() == Qt::TexturePattern &&
} else if ((brush.style() == Qt::TexturePattern) &&
(brush.transform().type() <= QTransform::TxTranslate) &&
((d->caps.canBlitterDrawPixmapOpacity(brush.texture())) ||
(d->caps.canBlitterDrawPixmap(rect, brush.texture(), rect)))) {
bool rectIsFilled = false;
@ -567,11 +568,11 @@ void QBlitterPaintEngine::fillRect(const QRectF &rect, const QBrush &brush)
qreal y = transformedRect.y();
QPixmap pm = brush.texture();
d->unlock();
int srcX = int(rect.x() - state()->brushOrigin.x()) % pm.width();
int srcX = int(rect.x() - state()->brushOrigin.x() - brush.transform().dx()) % pm.width();
if (srcX < 0)
srcX = pm.width() + srcX;
const int startX = srcX;
int srcY = int(rect.y() - state()->brushOrigin.y()) % pm.height();
int srcY = int(rect.y() - state()->brushOrigin.y() - brush.transform().dy()) % pm.height();
if (srcY < 0)
srcY = pm.height() + srcY;
while (!rectIsFilled) {
@ -685,7 +686,7 @@ void QBlitterPaintEngine::drawPixmap(const QRectF &r, const QPixmap &pm, const Q
}
}
// Overridden methods to lock the graphics memory
// Overriden methods to lock the graphics memory
void QBlitterPaintEngine::drawPolygon(const QPointF *points, int pointCount, PolygonDrawMode mode)
{
Q_D(QBlitterPaintEngine);