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Diffstat (limited to 'src/gui/painting/qpainter.cpp')
| -rw-r--r-- | src/gui/painting/qpainter.cpp | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/src/gui/painting/qpainter.cpp b/src/gui/painting/qpainter.cpp index b992e8f55d..a37511ff0a 100644 --- a/src/gui/painting/qpainter.cpp +++ b/src/gui/painting/qpainter.cpp @@ -190,6 +190,13 @@ void QPainterPrivate::checkEmulation() if (pg && pg->coordinateMode() > QGradient::LogicalMode) doEmulation = true; + if (state->brush.style() == Qt::TexturePattern) { + if (qHasPixmapTexture(state->brush)) + doEmulation |= !qFuzzyCompare(state->brush.texture().devicePixelRatioF(), 1.0); + else + doEmulation |= !qFuzzyCompare(state->brush.textureImage().devicePixelRatioF(), 1.0); + } + if (doEmulation && extended->flags() & QPaintEngineEx::DoNotEmulate) return; @@ -6657,6 +6664,16 @@ QRectF QPainter::boundingRect(const QRectF &r, const QString &text, const QTextO potentially much more efficient depending on the underlying window system. + drawTiledPixmap() will produce the same visual tiling pattern on + high-dpi displays (with devicePixelRatio > 1), compared to normal- + dpi displays. Set the devicePixelRatio on the \a pixmap to control + the tile size. For example, setting it to 2 halves the tile width + and height (on both 1x and 2x displays), and produces high-resolution + output on 2x displays. + + The \a position offset is always in the painter coordinate system, + indepentent of display devicePixelRatio. + \sa drawPixmap() */ void QPainter::drawTiledPixmap(const QRectF &r, const QPixmap &pixmap, const QPointF &sp) |