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Diffstat (limited to 'src/gui/painting/qpainter.cpp')
| -rw-r--r-- | src/gui/painting/qpainter.cpp | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/src/gui/painting/qpainter.cpp b/src/gui/painting/qpainter.cpp index b70b29e54e..df2f5e11d3 100644 --- a/src/gui/painting/qpainter.cpp +++ b/src/gui/painting/qpainter.cpp @@ -1437,6 +1437,13 @@ void QPainterPrivate::updateState(QPainterState *newState) by slightly less than half a pixel. Also will treat default constructed pens as cosmetic. Potentially useful when porting a Qt 4 application to Qt 5. + \value LosslessImageRendering Use a lossless image rendering, whenever possible. + Currently, this hint is only used when QPainter is employed to output a PDF + file through QPrinter or QPdfWriter, where drawImage()/drawPixmap() calls + will encode images using a lossless compression algorithm instead of lossy + JPEG compression. + This value was added in Qt 5.13. + \sa renderHints(), setRenderHint(), {QPainter#Rendering Quality}{Rendering Quality}, {Concentric Circles Example} |