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Fix rendering position in incremental rendering

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This commit is contained in:
Matthias Kuhn 2015-02-16 10:27:43 +01:00
parent 957f1ac191
commit 1144f3e638
2 changed files with 6 additions and 6 deletions
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10
src/gui/qgsmapcanvas.cpp
View File

@ -726,7 +726,7 @@ void QgsMapCanvas::rendererJobFinished()
p.end();
mMap->setContent( img, imageRect( img ) );
mMap->setContent( img, imageRect( img, mJob->mapSettings() ) );
}
// now we are in a slot called from mJob - do not delete it immediately
@ -737,11 +737,11 @@ void QgsMapCanvas::rendererJobFinished()
emit mapCanvasRefreshed();
}
QgsRectangle QgsMapCanvas::imageRect( const QImage& img )
QgsRectangle QgsMapCanvas::imageRect( const QImage& img, const QgsMapSettings& mapSettings )
{
// This is an hack to pass QgsMapCanvasItem::setRect what it
// This is a hack to pass QgsMapCanvasItem::setRect what it
// expects (encoding of position and size of the item)
const QgsMapToPixel& m2p = mSettings.mapToPixel();
const QgsMapToPixel& m2p = mapSettings.mapToPixel();
QgsPoint topLeft = m2p.toMapPoint( 0, 0 );
double res = m2p.mapUnitsPerPixel();
QgsRectangle rect( topLeft.x(), topLeft.y(), topLeft.x() + img.width()*res, topLeft.y() - img.height()*res );
@ -751,7 +751,7 @@ QgsRectangle QgsMapCanvas::imageRect( const QImage& img )
void QgsMapCanvas::mapUpdateTimeout()
{
const QImage& img = mJob->renderedImage();
mMap->setContent( img, imageRect( img ) );
mMap->setContent( img, imageRect( img, mJob->mapSettings() ) );
}
void QgsMapCanvas::stopRendering()

2
src/gui/qgsmapcanvas.h
View File

@ -674,7 +674,7 @@ class GUI_EXPORT QgsMapCanvas : public QGraphicsView
QgsPreviewEffect* mPreviewEffect;
QgsRectangle imageRect( const QImage& img );
QgsRectangle imageRect(const QImage& img , const QgsMapSettings& mapSettings );
QgsSnappingUtils* mSnappingUtils;