Fix for white stripes between raster tiles

qgis · Oct 5, 2012 · efb2329 · efb2329
1 parent fa06fc3
commit efb2329
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Showing 5 changed files with 18 additions and 4 deletions.
diff --git a/src/core/raster/qgsrasterdrawer.cpp b/src/core/raster/qgsrasterdrawer.cpp
@@ -83,7 +83,9 @@ void QgsRasterDrawer::drawImage( QPainter* p, QgsRasterViewPort* viewPort, const
 
   //top left position in device coords
   QPoint tlPoint = QPoint( viewPort->topLeftPoint.x() + topLeftCol, viewPort->topLeftPoint.y() + topLeftRow );
-
+  p->save();
+  p->setRenderHint( QPainter::Antialiasing, false );
   p->drawImage( tlPoint, img );
+  p->restore();
 }
 
diff --git a/tests/src/python/CMakeLists.txt b/tests/src/python/CMakeLists.txt
@@ -12,6 +12,6 @@ ADD_PYTHON_TEST(PyQgsSpatialIndex test_qgsspatialindex.py)
 ADD_PYTHON_TEST(PyQgsComposerHtml test_qgscomposerhtml.py)
 ADD_PYTHON_TEST(PyQgsComposition test_qgscomposition.py)
 ADD_PYTHON_TEST(PyQgsAnalysis test_qgsanalysis.py)
-#ADD_PYTHON_TEST(PyQgsComposerMap  test_qgscomposermap.py)
+ADD_PYTHON_TEST(PyQgsComposerMap  test_qgscomposermap.py)
 ADD_PYTHON_TEST(PyQgsSymbolLayerV2 test_qgssymbollayerv2.py)
 ADD_PYTHON_TEST(PyQgsPoint test_qgspoint.py)
diff --git a/tests/src/python/qgscompositionchecker.py b/tests/src/python/qgscompositionchecker.py
@@ -97,6 +97,6 @@ def compareImages( self,  imgExpected, imgRendered, differenceImagePath ):
 
           #allow pixel deviation of 1 percent
           pixelCount = imageWidth * imageHeight;
-#          print "MismatchCount: "+str(mismatchCount)
-#          print "PixelCount: "+str(pixelCount)
+          print "MismatchCount: "+str(mismatchCount)
+          print "PixelCount: "+str(pixelCount)
           return (float(mismatchCount) / float(pixelCount) ) < 0.01
diff --git a/tests/src/python/test_qgscomposermap.py b/tests/src/python/test_qgscomposermap.py
@@ -150,6 +150,18 @@ def testOverviewMap(self):
 #        print "new "+str(newId)
 #        assert oldId != newId
 
+    def zebraStyle(self):
+        mComposerMap.setGridFrameStyle( QgsComposerMap.Zebra )
+        mComposerMap.setGridEnabled( True )
+        myPngPath = os.path.join(TEST_DATA_DIR,
+                                 "control_images",
+                                 "expected_composermap",
+                                 "composermap_zebra_style.png")
+        testResult = checker.testComposition("Composer map zebra",
+                                             self.mComposition,
+                                             myPngPath)
+        assert testResult == True
+
 if __name__ == '__main__':
     unittest.main()
 
diff --git a/...s/testdata/control_images/expected_composermap/composermap_landsat_overview.png b/...s/testdata/control_images/expected_composermap/composermap_landsat_overview.png