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Also support layer transparency in server for old symbology

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This commit is contained in:
Marco Hugentobler 2012-11-23 15:40:34 +01:00
parent 89b0ea9484
commit b27efe9865
2 changed files with 25 additions and 9 deletions
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30
src/mapserver/qgswmsserver.cpp
View File

@ -616,7 +616,9 @@ QImage* QgsWMSServer::getMap()
QHash<QgsVectorLayer*, QgsFeatureRendererV2*> bkVectorRenderers;
QHash< QgsRasterLayer*, QgsRasterRenderer* > bkRasterRenderers;
applyOpacities( layersList, bkVectorRenderers, bkRasterRenderers );
QHash<QgsVectorLayer*, int> bkVectorOld;
applyOpacities( layersList, bkVectorRenderers, bkVectorOld, bkRasterRenderers );
mMapRenderer->render( &thePainter );
if ( mConfigParser )
@ -625,7 +627,7 @@ QImage* QgsWMSServer::getMap()
mConfigParser->drawOverlays( &thePainter, theImage->dotsPerMeterX() / 1000.0 * 25.4, theImage->width(), theImage->height() );
}
restoreOpacities( bkVectorRenderers, bkRasterRenderers );
restoreOpacities( bkVectorRenderers, bkVectorOld, bkRasterRenderers );
restoreLayerFilters( originalLayerFilters );
clearFeatureSelections( selectedLayerIdList );
@ -1984,7 +1986,7 @@ void QgsWMSServer::clearFeatureSelections( const QStringList& layerIds ) const
return;
}
void QgsWMSServer::applyOpacities( const QStringList& layerList, QHash<QgsVectorLayer*, QgsFeatureRendererV2*>& vectorRenderers,
void QgsWMSServer::applyOpacities( const QStringList& layerList, QHash<QgsVectorLayer*, QgsFeatureRendererV2*>& vectorRenderers, QHash<QgsVectorLayer*, int> vectorOld,
QHash< QgsRasterLayer*, QgsRasterRenderer* >& rasterRenderers )
{
//get opacity list
@ -2039,9 +2041,15 @@ void QgsWMSServer::applyOpacities( const QStringList& layerList, QHash<QgsVector
QgsSymbolV2List::iterator symbolIt = symbolList.begin();
for ( ; symbolIt != symbolList.end(); ++symbolIt )
{
( *symbolIt )->setAlpha(( *symbolIt )->alpha() * lOpIt->second / 255.0 );
( *symbolIt )->setAlpha(( *symbolIt )->alpha() * opacity / 255.0 );
}
}
else //old symbology
{
vectorOld.insert( vl, vl->getTransparency() );
vl->setTransparency( opacity );
}
}
else if ( ml->type() == QgsMapLayer::RasterLayer )
{
@ -2056,12 +2064,11 @@ void QgsWMSServer::applyOpacities( const QStringList& layerList, QHash<QgsVector
}
}
}
//todo: rasters
}
}
void QgsWMSServer::restoreOpacities( QHash<QgsVectorLayer*, QgsFeatureRendererV2*>& vectorRenderers, QHash < QgsRasterLayer*,
QgsRasterRenderer* > & rasterRenderers )
void QgsWMSServer::restoreOpacities( QHash<QgsVectorLayer*, QgsFeatureRendererV2*>& vectorRenderers, QHash<QgsVectorLayer*, int> vectorOld,
QHash < QgsRasterLayer*, QgsRasterRenderer* > & rasterRenderers )
{
QHash<QgsVectorLayer*, QgsFeatureRendererV2*>::iterator vIt = vectorRenderers.begin();
for ( ; vIt != vectorRenderers.end(); ++vIt )
@ -2077,6 +2084,15 @@ void QgsWMSServer::restoreOpacities( QHash<QgsVectorLayer*, QgsFeatureRendererV2
rIt.key()->setRenderer( rIt.value() );
}
}
QHash<QgsVectorLayer*, int>::iterator oIt = vectorOld.begin();
for ( ; oIt != vectorOld.end(); ++oIt )
{
if ( oIt.key() )
{
oIt.key()->setTransparency( oIt.value() );
}
}
}
bool QgsWMSServer::checkMaximumWidthHeight() const

4
src/mapserver/qgswmsserver.h
View File

@ -167,10 +167,10 @@ class QgsWMSServer
/**Clear all feature selections in the given layers*/
void clearFeatureSelections( const QStringList& layerIds ) const;
void applyOpacities( const QStringList& layerList, QHash<QgsVectorLayer*, QgsFeatureRendererV2*>& vectorRenderers,
void applyOpacities( const QStringList& layerList, QHash<QgsVectorLayer*, QgsFeatureRendererV2*>& vectorRenderers, QHash<QgsVectorLayer*, int> vectorOld,
QHash< QgsRasterLayer*, QgsRasterRenderer* >& rasterRenderers );
void restoreOpacities( QHash<QgsVectorLayer*, QgsFeatureRendererV2*>& vectorRenderers,
void restoreOpacities( QHash<QgsVectorLayer*, QgsFeatureRendererV2*>& vectorRenderers, QHash<QgsVectorLayer*, int> vectorOld,
QHash< QgsRasterLayer*, QgsRasterRenderer* >& rasterRenderers );
void appendFormats( QDomDocument &doc, QDomElement &elem, const QStringList &formats );