diff options
Diffstat (limited to 'src/gui/painting')
| -rw-r--r-- | src/gui/painting/qblendfunctions.cpp | 12 | ||||
| -rw-r--r-- | src/gui/painting/qpaintengine_raster.cpp | 6 | ||||
| -rw-r--r-- | src/gui/painting/qpaintengine_x11.cpp | 26 |
3 files changed, 32 insertions, 12 deletions
diff --git a/src/gui/painting/qblendfunctions.cpp b/src/gui/painting/qblendfunctions.cpp index 16dd617..8f4a2bf 100644 --- a/src/gui/painting/qblendfunctions.cpp +++ b/src/gui/painting/qblendfunctions.cpp @@ -44,8 +44,6 @@ QT_BEGIN_NAMESPACE -static const qreal aliasedCoordinateDelta = 0.5 - 0.015625; - struct SourceOnlyAlpha { inline uchar alpha(uchar src) const { return src; } @@ -140,14 +138,11 @@ struct Blend_ARGB32_on_RGB16_SourceAndConstAlpha { template <typename SRC, typename T> void qt_scale_image_16bit(uchar *destPixels, int dbpl, const uchar *srcPixels, int sbpl, - const QRectF &target, + const QRectF &targetRect, const QRectF &srcRect, const QRect &clip, T blender) { - const QRectF targetRect = target.translated(aliasedCoordinateDelta, - aliasedCoordinateDelta); - qreal sx = targetRect.width() / (qreal) srcRect.width(); qreal sy = targetRect.height() / (qreal) srcRect.height(); @@ -617,14 +612,11 @@ struct Blend_ARGB32_on_ARGB32_SourceAndConstAlpha { template <typename T> void qt_scale_image_32bit(uchar *destPixels, int dbpl, const uchar *srcPixels, int sbpl, - const QRectF &target, + const QRectF &targetRect, const QRectF &srcRect, const QRect &clip, T blender) { - const QRectF targetRect = target.translated(aliasedCoordinateDelta, - aliasedCoordinateDelta); - qreal sx = targetRect.width() / (qreal) srcRect.width(); qreal sy = targetRect.height() / (qreal) srcRect.height(); diff --git a/src/gui/painting/qpaintengine_raster.cpp b/src/gui/painting/qpaintengine_raster.cpp index 8077b9b..3428faf 100644 --- a/src/gui/painting/qpaintengine_raster.cpp +++ b/src/gui/painting/qpaintengine_raster.cpp @@ -2577,7 +2577,11 @@ void QRasterPaintEngine::drawImage(const QRectF &r, const QImage &img, const QRe QRasterPaintEngineState *s = state(); const bool aa = s->flags.antialiased || s->flags.bilinear; if (!aa && sr.size() == QSize(1, 1)) { - fillRect(r, QColor::fromRgba(img.pixel(sr.x(), sr.y()))); + // as fillRect will apply the aliased coordinate delta we need to + // subtract it here as we don't use it for image drawing + const QRectF targetRect = r.translated(-aliasedCoordinateDelta, + -aliasedCoordinateDelta); + fillRect(targetRect, QColor::fromRgba(img.pixel(sr.x(), sr.y()))); return; } diff --git a/src/gui/painting/qpaintengine_x11.cpp b/src/gui/painting/qpaintengine_x11.cpp index 4b2fbca..9cc9683 100644 --- a/src/gui/painting/qpaintengine_x11.cpp +++ b/src/gui/painting/qpaintengine_x11.cpp @@ -1543,6 +1543,8 @@ void QX11PaintEnginePrivate::fillPolygon_dev(const QPointF *polygonPoints, int p QX11PaintEnginePrivate::GCMode gcMode, QPaintEngine::PolygonDrawMode mode) { + Q_Q(QX11PaintEngine); + int clippedCount = 0; qt_float_point *clippedPoints = 0; @@ -1617,7 +1619,29 @@ void QX11PaintEnginePrivate::fillPolygon_dev(const QPointF *polygonPoints, int p } else #endif if (fill.style() != Qt::NoBrush) { - if (clippedCount > 0) { + if (clippedCount > 200000) { + QPolygon poly; + for (int i = 0; i < clippedCount; ++i) + poly << QPoint(qFloor(clippedPoints[i].x), qFloor(clippedPoints[i].y)); + + const QRect bounds = poly.boundingRect(); + const QRect aligned = bounds + & QRect(QPoint(), QSize(pdev->width(), pdev->height())); + + QImage img(aligned.size(), QImage::Format_ARGB32_Premultiplied); + img.fill(0); + + QPainter painter(&img); + painter.translate(-aligned.x(), -aligned.y()); + painter.setPen(Qt::NoPen); + painter.setBrush(fill); + if (gcMode == BrushGC) + painter.setBrushOrigin(q->painter()->brushOrigin()); + painter.drawPolygon(poly); + painter.end(); + + q->drawImage(aligned, img, img.rect(), Qt::AutoColor); + } else if (clippedCount > 0) { QVarLengthArray<XPoint> xpoints(clippedCount); for (int i = 0; i < clippedCount; ++i) { xpoints[i].x = qFloor(clippedPoints[i].x); |