raster sip fix for test unit

Author: blazek

python/core/qgsrasterlayer.sip

@@ -220,6 +220,8 @@ public:
     void setRenderer( QgsRasterRenderer* renderer /Transfer/ );
     QgsRasterRenderer* renderer();
 
+    QgsRasterPipe * pipe();
+
     /** \brief Accessor to find out how many standard deviations are being plotted */
     double standardDeviations() const;
 

python/core/qgsrasterrenderer.sip

@@ -33,6 +33,8 @@ class QgsRasterRenderer : QgsRasterInterface
     virtual QString type() const;
     virtual void * readBlock( int bandNo, const QgsRectangle & extent, int width, int height );
 
+    QgsRasterInterface::DataType dataType( int bandNo ) const;
+
     bool usesTransparency() const;
 
     void setOpacity( double opacity );

src/core/raster/qgsrasterinterface.h

@@ -22,6 +22,7 @@
 
 #include <QImage>
 
+#include "qgslogger.h"
 #include "qgsrectangle.h"
 
 #include "gdal.h"
@@ -116,6 +117,7 @@ class CORE_EXPORT QgsRasterInterface
     virtual DataType dataType( int bandNo ) const
     {
       Q_UNUSED( bandNo );
+      QgsDebugMsg( "Entered" );
       return UnknownDataType;
     }
 

src/core/raster/qgsrasterpipe.cpp

@@ -123,12 +123,15 @@ bool QgsRasterPipe::replace( int idx, QgsRasterInterface* theInterface )
 
 QgsRasterPipe::Role QgsRasterPipe::interfaceRole( QgsRasterInterface * interface ) const
 {
-  if ( dynamic_cast<QgsRasterDataProvider *>( interface ) ) return ProviderRole;
-  if ( dynamic_cast<QgsRasterRenderer *>( interface ) ) return RendererRole;
-  if ( dynamic_cast<QgsRasterResampleFilter *>( interface ) ) return ResamplerRole;
-  if ( dynamic_cast<QgsRasterProjector *>( interface ) ) return ProjectorRole;
-  if ( dynamic_cast<QgsRasterNuller *>( interface ) ) return NullerRole;
-  return UnknownRole;
+  Role role = UnknownRole;
+  if ( dynamic_cast<QgsRasterDataProvider *>( interface ) ) role = ProviderRole;
+  else if ( dynamic_cast<QgsRasterRenderer *>( interface ) ) role = RendererRole;
+  else if ( dynamic_cast<QgsRasterResampleFilter *>( interface ) ) role = ResamplerRole;
+  else if ( dynamic_cast<QgsRasterProjector *>( interface ) ) role = ProjectorRole;
+  else if ( dynamic_cast<QgsRasterNuller *>( interface ) ) role = NullerRole;
+
+  QgsDebugMsg( QString( "%1 role = %2" ).arg( typeid( *interface ).name() ).arg( role ) );
+  return role;
 }
 
 void QgsRasterPipe::setRole( QgsRasterInterface * theInterface, int idx )

src/core/raster/qgsrasterrenderer.cpp

@@ -53,6 +53,8 @@ int QgsRasterRenderer::bandCount() const
 
 QgsRasterInterface::DataType QgsRasterRenderer::dataType( int bandNo ) const
 {
+  QgsDebugMsg( "Entered" );
+
   if ( mOn ) return QgsRasterInterface::ARGB32_Premultiplied;
 
   if ( mInput ) return mInput->dataType( bandNo );

src/core/raster/qgsrasterresamplefilter.cpp

@@ -104,7 +104,8 @@ bool QgsRasterResampleFilter::setInput( QgsRasterInterface* input )
     return false;
   }
 
-  if ( input->dataType( 1 ) != QgsRasterInterface::ARGB32_Premultiplied )
+  if ( input->dataType( 1 ) != QgsRasterInterface::ARGB32_Premultiplied &&
+       input->dataType( 1 ) != QgsRasterInterface::ARGB32 )
   {
     QgsDebugMsg( "Unknown input data type" );
     return false;

tests/src/python/test_qgscomposermap.py

@@ -31,7 +31,10 @@ def testCase(self):
         rasterFileInfo = QFileInfo(TEST_DATA_DIR+QDir().separator().toAscii()+"landsat.tif")
         mRasterLayer = QgsRasterLayer(rasterFileInfo.filePath(),  rasterFileInfo.completeBaseName())
         rasterRenderer = QgsMultiBandColorRenderer( mRasterLayer.dataProvider(), 2, 3, 4 )
-        mRasterLayer.setRenderer( rasterRenderer )
+        #mRasterLayer.setRenderer( rasterRenderer )
+        pipe = mRasterLayer.pipe()
+        assert pipe.set( rasterRenderer ), "Cannot set pipe renderer"
+
         QgsMapLayerRegistry.instance().addMapLayer( mRasterLayer )
 
           # create composition with composer map