diff options
Diffstat (limited to 'src/gui/painting/qpaintengine_x11.cpp')
| -rw-r--r-- | src/gui/painting/qpaintengine_x11.cpp | 24 |
1 files changed, 14 insertions, 10 deletions
diff --git a/src/gui/painting/qpaintengine_x11.cpp b/src/gui/painting/qpaintengine_x11.cpp index e521e01..fecf25f 100644 --- a/src/gui/painting/qpaintengine_x11.cpp +++ b/src/gui/painting/qpaintengine_x11.cpp @@ -696,10 +696,11 @@ void QX11PaintEngine::drawLines(const QLine *lines, int lineCount) linef = d->matrix.map(QLineF(lines[i])); } if (clipLine(&linef, d->polygonClipper.boundingRect())) { - int x1 = qFloor(linef.x1() + aliasedCoordinateDelta); - int y1 = qFloor(linef.y1() + aliasedCoordinateDelta); - int x2 = qFloor(linef.x2() + aliasedCoordinateDelta); - int y2 = qFloor(linef.y2() + aliasedCoordinateDelta); + int x1 = qRound(linef.x1() + aliasedCoordinateDelta); + int y1 = qRound(linef.y1() + aliasedCoordinateDelta); + int x2 = qRound(linef.x2() + aliasedCoordinateDelta); + int y2 = qRound(linef.y2() + aliasedCoordinateDelta); + XDrawLine(d->dpy, d->hd, d->gc, x1, y1, x2, y2); } } @@ -729,10 +730,11 @@ void QX11PaintEngine::drawLines(const QLineF *lines, int lineCount) for (int i = 0; i < lineCount; ++i) { QLineF linef = d->matrix.map(lines[i]); if (clipLine(&linef, d->polygonClipper.boundingRect())) { - int x1 = qFloor(linef.x1() + aliasedCoordinateDelta); - int y1 = qFloor(linef.y1() + aliasedCoordinateDelta); - int x2 = qFloor(linef.x2() + aliasedCoordinateDelta); - int y2 = qFloor(linef.y2() + aliasedCoordinateDelta); + int x1 = qRound(linef.x1() + aliasedCoordinateDelta); + int y1 = qRound(linef.y1() + aliasedCoordinateDelta); + int x2 = qRound(linef.x2() + aliasedCoordinateDelta); + int y2 = qRound(linef.y2() + aliasedCoordinateDelta); + XDrawLine(d->dpy, d->hd, d->gc, x1, y1, x2, y2); } } @@ -1688,8 +1690,8 @@ void QX11PaintEnginePrivate::strokePolygon_dev(const QPointF *polygonPoints, int if (clippedCount > 0) { QVarLengthArray<XPoint> xpoints(clippedCount); for (int i = 0; i < clippedCount; ++i) { - xpoints[i].x = qFloor(clippedPoints[i].x + aliasedCoordinateDelta); - xpoints[i].y = qFloor(clippedPoints[i].y + aliasedCoordinateDelta); + xpoints[i].x = qRound(clippedPoints[i].x + aliasedCoordinateDelta); + xpoints[i].y = qRound(clippedPoints[i].y + aliasedCoordinateDelta); } uint numberPoints = qMin(clippedCount, xlibMaxLinePoints); XPoint *pts = xpoints.data(); @@ -1914,6 +1916,8 @@ void QX11PaintEngine::drawPixmap(const QRectF &r, const QPixmap &px, const QRect int sh = qRound(sr.height()); QPixmap pixmap = qt_toX11Pixmap(px); + if(pixmap.isNull()) + return; if ((d->xinfo && d->xinfo->screen() != pixmap.x11Info().screen()) || (pixmap.x11Info().screen() != DefaultScreen(X11->display))) { |