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Merge pull request #36302 from m-kuhn/dpi_fix

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Set DPI of rendered images
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Matthias Kuhn 2020-05-11 10:27:03 +02:00 committed by GitHub
commit 829e76f173
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src/core/qgsmaprendererjob.cpp
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@ -703,6 +703,8 @@ QImage QgsMapRendererJob::composeImage( const QgsMapSettings &settings, const La
{ {
QImage image( settings.deviceOutputSize(), settings.outputImageFormat() ); QImage image( settings.deviceOutputSize(), settings.outputImageFormat() );
image.setDevicePixelRatio( settings.devicePixelRatio() ); image.setDevicePixelRatio( settings.devicePixelRatio() );
image.setDotsPerMeterX( static_cast<int>( settings.outputDpi() * 39.37 ) );
image.setDotsPerMeterY( static_cast<int>( settings.outputDpi() * 39.37 ) );
image.fill( settings.backgroundColor().rgba() ); image.fill( settings.backgroundColor().rgba() );
QPainter painter( &image ); QPainter painter( &image );