- Fix the bug where setting the outline thickness of polygons

  didn't work with a continuous renderer.
- Only show the 'draw polygon outline' check box when the layer
  type is polygon
- Allow a outline thickness of 0 (gives a 1 pixel line)


git-svn-id: http://svn.osgeo.org/qgis/trunk@5824 c8812cc2-4d05-0410-92ff-de0c093fc19c

Author: g_j_m

src/gui/qgscontinuouscolordialog.cpp

@@ -84,7 +84,7 @@ QgsContinuousColorDialog::QgsContinuousColorDialog(QgsVectorLayer * layer)
 	    lblMinValue->setPaletteBackgroundColor(minsymbol->brush().color());
 	    lblMaxValue->setPaletteBackgroundColor(maxsymbol->brush().color());
         }
-	outlinewidthspinbox->setMinValue(1);
+	outlinewidthspinbox->setMinValue(0);
 	outlinewidthspinbox->setValue(minsymbol->pen().width());
 
 	if (renderer->drawPolygonOutline()) 
@@ -96,6 +96,8 @@ QgsContinuousColorDialog::QgsContinuousColorDialog(QgsVectorLayer * layer)
     {
       cb_polygonOutline->setCheckState(Qt::Checked);
       outlinewidthspinbox->setValue(1);
+      if (mVectorLayer->vectorType() != QGis::Polygon)
+        cb_polygonOutline->setVisible(false);
     }
     // Ensure that the state of other widgets is appropriate for the
     // state of the polygonoutline checkbox.

src/gui/qgscontinuouscolorrenderer.cpp

@@ -152,7 +152,12 @@ void QgsContinuousColorRenderer::renderFeature(QPainter * p, QgsFeature * f, QPi
     {
       p->setBrush(QColor(red, green, blue));
       if (mDrawPolygonOutline)
-        p->setPen(QColor(0, 0, 0));
+      {
+        QPen pen;
+        pen.setColor(QColor(0,0,0));
+        pen.setWidthF(widthScale*mMinimumSymbol->pen().width());
+        p->setPen(pen);
+      }
       else
         p->setPen(Qt::NoPen);
     }