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handling of devicePixelratio for pixmaps fixed

This commit is contained in:
Uwe Rathmann 2022-04-21 13:08:50 +02:00
parent 8039ebd785
commit 4e0d1197da
1 changed files with 12 additions and 6 deletions
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18
src/graphic/QskGraphic.cpp
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@ -781,8 +781,8 @@ QPixmap QskGraphic::toPixmap( qreal devicePixelRatio ) const
const QSizeF sz = defaultSize();
const int w = qCeil( sz.width() );
const int h = qCeil( sz.height() );
const int w = qCeil( sz.width() * devicePixelRatio );
const int h = qCeil( sz.height() * devicePixelRatio );
QPixmap pixmap( w, h );
pixmap.setDevicePixelRatio( devicePixelRatio );
@ -803,7 +803,10 @@ QPixmap QskGraphic::toPixmap( const QSize& size,
if ( devicePixelRatio <= 0.0 )
devicePixelRatio = qskDevicePixelRatio();
QPixmap pixmap( size );
const int w = qCeil( size.width() * devicePixelRatio );
const int h = qCeil( size.height() * devicePixelRatio );
QPixmap pixmap( w, h );
pixmap.setDevicePixelRatio( devicePixelRatio );
pixmap.fill( Qt::transparent );
@ -822,7 +825,10 @@ QImage QskGraphic::toImage( const QSize& size,
if ( devicePixelRatio <= 0.0 )
devicePixelRatio = qskDevicePixelRatio();
QImage image( size * devicePixelRatio, QImage::Format_ARGB32_Premultiplied );
const int w = qCeil( size.width() * devicePixelRatio );
const int h = qCeil( size.height() * devicePixelRatio );
QImage image( w, h, QImage::Format_ARGB32_Premultiplied );
image.setDevicePixelRatio( devicePixelRatio );
image.fill( 0 );
@ -845,8 +851,8 @@ QImage QskGraphic::toImage( qreal devicePixelRatio ) const
const QSizeF sz = defaultSize();
const int w = qCeil( sz.width() ) * devicePixelRatio;
const int h = qCeil( sz.height() ) * devicePixelRatio;
const int w = qCeil( sz.width() * devicePixelRatio );
const int h = qCeil( sz.height() * devicePixelRatio );
QImage image( w, h, QImage::Format_ARGB32 );
image.setDevicePixelRatio( devicePixelRatio );