Resolved using signed/unsigned value for map layer transparency

git-svn-id: http://svn.osgeo.org/qgis/trunk@5145 c8812cc2-4d05-0410-92ff-de0c093fc19c

Author: wonder

src/gui/qgsmaplayer.h

@@ -304,7 +304,7 @@ class QgsMapLayer : public QObject
 
 public  slots:
     /** \brief Mutator for transparency level. Should be between 0 and 255 */
-    virtual void setTransparency(int)=0; //
+    virtual void setTransparency(unsigned int)=0;
    //! event handler for when a coordinate transofrm fails due to bad vertex error
    virtual void invalidTransformInput();
 

src/gui/qgsvectorlayer.cpp

@@ -3448,12 +3448,15 @@ inline void QgsVectorLayer::transformPoints(
   // position on map canvas
   mtp->transformInPlace(x, y);
 }
+
 unsigned int QgsVectorLayer::getTransparency()
 {
   return transparencyLevelInt;
 }
+
 //should be between 0 and 255
-void QgsVectorLayer::setTransparency(int theInt)
+void QgsVectorLayer::setTransparency(unsigned int theInt)
 {
   transparencyLevelInt=theInt;
-} //  QgsRasterLayer::setTransparency(int theInt)
+} //  QgsRasterLayer::setTransparency(unsigned int theInt)
+

src/gui/qgsvectorlayer.h

@@ -172,7 +172,7 @@ const QString displayField() const { return fieldIndex; }
 public slots:
 
   /** \brief Mutator for transparency level. Should be between 0 and 255 */
-  void setTransparency(int); //
+  void setTransparency(unsigned int);
 
   void inOverview( bool );
 

src/raster/qgsrasterlayer.cpp

@@ -3822,7 +3822,7 @@ void QgsRasterLayer::popupTransparencySliderMoved(int theInt)
 
 
 //should be between 0 and 255
-void QgsRasterLayer::setTransparency(int theInt)
+void QgsRasterLayer::setTransparency(unsigned int theInt)
 {
 #ifdef QGISDEBUG
   std::cout << "Set transparency called with : " << theInt << std::endl;
@@ -3834,7 +3834,7 @@ void QgsRasterLayer::setTransparency(int theInt)
     mTransparencySlider->setValue(255-theInt);    
   }
   transparencyLevelInt=theInt;
-} //  QgsRasterLayer::setTransparency(int theInt)
+} //  QgsRasterLayer::setTransparency(unsigned int theInt)
 
 
 

src/raster/qgsrasterlayer.h

@@ -799,7 +799,7 @@ class QgsRasterLayer : public QgsMapLayer
 
 public slots:    
     /** \brief Mutator for transparency level. Should be between 0 and 255 */
-    void setTransparency(int); //
+    void setTransparency(unsigned int);
     /**
      * Convert this raster to another format
      */