Show raster preview mini thumbnail as legend icon

timlinux · timlinux · commit a877a1a8de64 · 2008-08-01T11:20:29.000Z
git-svn-id: http://svn.osgeo.org/qgis/trunk/qgis@8958 c8812cc2-4d05-0410-92ff-de0c093fc19c
diff --git a/src/app/legend/qgslegendlayer.cpp b/src/app/legend/qgslegendlayer.cpp
@@ -454,7 +454,15 @@ QPixmap QgsLegendLayer::getOriginalPixmap() const
           return QgisApp::getThemePixmap("/mIconLayer.png");
       }
     }
-    else // RASTER
+    else if (firstLayer->type() == QgsMapLayer::RASTER)
+    {
+      QgsRasterLayer* rlayer = dynamic_cast<QgsRasterLayer*>(firstLayer);
+      QPixmap myPixmap(32,32);
+      rlayer->drawThumbnail(&myPixmap);
+      return myPixmap;
+      
+    }
+    else // undefined - should never reach this
     {
       return QgisApp::getThemePixmap("/mIconLayer.png");
     }

Original file line number	Diff line number	Diff line change
`@@ -454,7 +454,15 @@ QPixmap QgsLegendLayer::getOriginalPixmap() const`
`454`	`454`	`return QgisApp::getThemePixmap("/mIconLayer.png");`
`455`	`455`	`}`
`456`	`456`	`}`
`457`		`- else // RASTER`
	`457`	`+ else if (firstLayer->type() == QgsMapLayer::RASTER)`
	`458`	`+ {`
	`459`	`+ QgsRasterLayer* rlayer = dynamic_cast<QgsRasterLayer*>(firstLayer);`
	`460`	`+ QPixmap myPixmap(32,32);`
	`461`	`+ rlayer->drawThumbnail(&myPixmap);`
	`462`	`+ return myPixmap;`
	`463`	`+`
	`464`	`+ }`
	`465`	`+ else // undefined - should never reach this`
`458`	`466`	`{`
`459`	`467`	`return QgisApp::getThemePixmap("/mIconLayer.png");`
`460`	`468`	`}`