qgis · Oct 15, 2018
diff --git a/‎src/core/symbology-ng/qgsfillsymbollayerv2.cpp
Lines changed: 4 additions & 1 deletion b/‎src/core/symbology-ng/qgsfillsymbollayerv2.cpp
Lines changed: 4 additions & 1 deletion
diff --git a/‎tests/src/core/testqgslinefillsymbol.cpp
Lines changed: 12 additions & 0 deletions b/‎tests/src/core/testqgslinefillsymbol.cpp
Lines changed: 12 additions & 0 deletions
diff --git a/‎tests/testdata/control_images/symbol_linefill/expected_symbol_linefill_large_negoffset/expected_symbol_linefill_large_negoffset.png
626 KB b/‎tests/testdata/control_images/symbol_linefill/expected_symbol_linefill_large_negoffset/expected_symbol_linefill_large_negoffset.png
626 KB
diff --git a/‎tests/testdata/control_images/symbol_linefill/expected_symbol_linefill_large_posoffset/expected_symbol_linefill_large_posoffset.png
626 KB b/‎tests/testdata/control_images/symbol_linefill/expected_symbol_linefill_large_posoffset/expected_symbol_linefill_large_posoffset.png
626 KB
diff --git a/‎tests/testdata/control_images/symbol_linefill/expected_symbol_linefill_negangle/expected_symbol_linefill_negangle.png
626 KB b/‎tests/testdata/control_images/symbol_linefill/expected_symbol_linefill_negangle/expected_symbol_linefill_negangle.png
626 KB
@@ -2630,6 +2630,9 @@ void QgsLinePatternFillSymbolLayer::applyPattern( const QgsSymbolV2RenderContext
 
   //create image
   int height, width;
+  lineAngle = fmod( lineAngle, 360 );
+  if ( lineAngle < 0 )
+    lineAngle += 360;
   if ( qgsDoubleNear( lineAngle, 0 ) || qgsDoubleNear( lineAngle, 360 ) || qgsDoubleNear( lineAngle, 180 ) )
   {
     height = outputPixelDist;
@@ -2655,7 +2658,7 @@ void QgsLinePatternFillSymbolLayer::applyPattern( const QgsSymbolV2RenderContext
     height = qAbs( height );
     width = qAbs( width );
 
-    outputPixelDist = height * cos( lineAngle * M_PI / 180 );
+    outputPixelDist = qAbs( height * cos( lineAngle * M_PI / 180 ) );
 
     // Round offset to correspond to one pixel height, otherwise lines may
     // be shifted on tile border if offset falls close to pixel center
 
@@ -62,6 +62,7 @@ class TestQgsLineFillSymbol : public QObject
     void lineFillSymbol();
     void lineFillSymbolOffset();
     void lineFillLargeOffset();
+    void lineFillNegativeAngle();
 
     void dataDefinedSubSymbol();
 
@@ -173,6 +174,17 @@ void TestQgsLineFillSymbol::lineFillLargeOffset()
   mLineFill->setOffset( 0 );
 }
 
+void TestQgsLineFillSymbol::lineFillNegativeAngle()
+{
+  mLineFill->setOffset( -8 );
+  mLineFill->setDistance( 2.2 );
+  mLineFill->setLineAngle( -130 );
+  QVERIFY( imageCheck( "symbol_linefill_negangle" ) );
+  mLineFill->setOffset( 0 );
+  mLineFill->setLineAngle( 45 );
+  mLineFill->setDistance( 5 );
+}
+
 void TestQgsLineFillSymbol::dataDefinedSubSymbol()
 {
   mReport += "<h2>Line fill symbol data defined sub symbol test</h2>\n";