Symbol items for pseudo color shader

qgis · Jun 14, 2011 · 992be14 · 992be14
1 parent ed6df31
commit 992be14
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Showing 3 changed files with 21 additions and 0 deletions.
diff --git a/src/core/raster/qgspseudocolorshader.h b/src/core/raster/qgspseudocolorshader.h
@@ -44,6 +44,12 @@ class CORE_EXPORT QgsPseudoColorShader : public QgsRasterShaderFunction
     /** \brief Return the minimum value */
     void setMinimumValue( double );
 
+    double classBreakMin1() const { return mClassBreakMin1; }
+    double classBreakMax1() const { return mClassBreakMax1; }
+    double classBreakMin2() const { return mClassBreakMin2; }
+    double classBreakMax2() const { return mClassBreakMax2; }
+    double classBreakMin3() const { return mClassBreakMin3; }
+
   private:
     void setClassBreaks();
 

diff --git a/src/core/raster/qgsrasterlayer.cpp b/src/core/raster/qgsrasterlayer.cpp
@@ -1229,6 +1229,19 @@ QList< QPair< QString, QColor > > QgsRasterLayer::legendSymbologyItems() const
         }
         break;
       }
+    case PseudoColorShader:
+      {
+        //class breaks have fixed color for the pseudo color shader
+        const QgsPseudoColorShader* pcShader = dynamic_cast<QgsPseudoColorShader*>( mRasterShader->rasterShaderFunction() );
+        if( pcShader )
+        {
+          symbolList.push_back( qMakePair( QString::number( pcShader->classBreakMin1() ), QColor( 0, 0, 255 ) ) );
+          symbolList.push_back( qMakePair( QString::number( pcShader->classBreakMax1() ), QColor( 0, 255, 255 ) ) );
+          symbolList.push_back( qMakePair( QString::number( pcShader->classBreakMax2() ), QColor(255, 255, 0 ) ) );
+          symbolList.push_back( qMakePair( QString::number( pcShader->classBreakMin2() ), QColor( 255, 0, 0 ) ) );
+        }
+        break;
+      }
     default:
       break;
   }

diff --git a/src/core/raster/qgsrastershaderfunction.h b/src/core/raster/qgsrastershaderfunction.h
@@ -43,6 +43,8 @@ class CORE_EXPORT QgsRasterShaderFunction
     /** \brief generates and new RGB value based on original RGB value */
     virtual bool shade( double, double, double, int*, int*, int* );
 
+    double minimumMaximumRange() const { return mMinimumMaximumRange; }
+
   protected:
     /** \brief User defineable maximum value for the shading function */
     double mMaximumValue;