From 4d678ea7cf2977099c0147d004402066632e240b Mon Sep 17 00:00:00 2001
From: asl <asl@opencascade.com>
Date: Tue, 17 Nov 2015 11:26:34 +0300
Subject: [PATCH] patch on regression in land cover map coloring and
 transparency

---
 src/HYDROGUI/HYDROGUI_LandCoverMapOp.cxx    | 14 +++++--------
 src/HYDROGUI/HYDROGUI_OCCDisplayer.cxx      | 22 ---------------------
 src/HYDROGUI/HYDROGUI_Shape.cxx             |  2 +-
 src/HYDROGUI/HYDROGUI_ShapeLandCoverMap.cxx |  1 +
 4 files changed, 7 insertions(+), 32 deletions(-)

diff --git a/src/HYDROGUI/HYDROGUI_LandCoverMapOp.cxx b/src/HYDROGUI/HYDROGUI_LandCoverMapOp.cxx
index 777ebf39..cb073ade 100644
--- a/src/HYDROGUI/HYDROGUI_LandCoverMapOp.cxx
+++ b/src/HYDROGUI/HYDROGUI_LandCoverMapOp.cxx
@@ -440,15 +440,11 @@ void HYDROGUI_LandCoverMapOp::onCreatePreview()
 
   if ( aViewManager && myPreviewPrs && !myEditedObject.IsNull() )
   {
-    TopoDS_Shape aLandCoverMapShape = myEditedObject->GetShape();
-    if( !aLandCoverMapShape.IsNull() )
-    {
-      if ( myOperationId == RemoveLandCoverId ||
-           myOperationId == MergeLandCoverId ||
-           myOperationId == ChangeLandCoverTypeId )
-        myPreviewPrs->setSelectionMode( AIS_Shape::SelectionMode( TopAbs_FACE ) ); 
-      myPreviewPrs->setShape( aLandCoverMapShape );      
-    }
+    myPreviewPrs->update( false, false );      
+    if ( myOperationId == RemoveLandCoverId ||
+         myOperationId == MergeLandCoverId ||
+         myOperationId == ChangeLandCoverTypeId )
+      myPreviewPrs->setSelectionMode( AIS_Shape::SelectionMode( TopAbs_FACE ) ); 
   }
   
   module()->update( UF_OCCViewer | UF_FitAll );
diff --git a/src/HYDROGUI/HYDROGUI_OCCDisplayer.cxx b/src/HYDROGUI/HYDROGUI_OCCDisplayer.cxx
index aa5a6fe7..acbfad37 100644
--- a/src/HYDROGUI/HYDROGUI_OCCDisplayer.cxx
+++ b/src/HYDROGUI/HYDROGUI_OCCDisplayer.cxx
@@ -516,28 +516,6 @@ void HYDROGUI_OCCDisplayer::UpdateColorScale( const OCCViewer_Viewer* theViewer
       continue;
     }
     
-    QColor aUndefinedColor( Qt::gray );
-    aColor = aUndefinedColor;
-    // TODO
-    //QColor aColor = isLandCoverColoringOn ? aUndefinedColor : aLandCoverMap->GetFillingColor();
-    
-    if ( isLandCoverColoringOn && !aTable.IsNull() ) {
-      QString aStricklerType = "";
-        // TODO
-        //aLandCoverMap->GetStricklerType().toLatin1().constData();
-     
-      if ( aTable->HasType( aStricklerType ) ) {
-        double aStricklerCoeff = aTable->Get( aStricklerType, 0 );
-        Quantity_Color aShapeColor;
-        if ( aColorScale->FindColor( aStricklerCoeff, aShapeColor ) ) {
-          aColor = QColor( aShapeColor.Red() * 255, 
-                           aShapeColor.Green() * 255,
-                           aShapeColor.Blue() * 255 );
-        }
-      }
-    }    
-    
-    aLandCoverMapShape->setFillingColor( aColor, true, true );
     aLandCoverMapShape->setScalarMapModeEnabled( isLandCoverColoringOn );
     theViewer->getAISContext()->Redisplay( aLandCoverMapShape->getAISObject() );
   }
diff --git a/src/HYDROGUI/HYDROGUI_Shape.cxx b/src/HYDROGUI/HYDROGUI_Shape.cxx
index 133873a9..ba8a9d8f 100644
--- a/src/HYDROGUI/HYDROGUI_Shape.cxx
+++ b/src/HYDROGUI/HYDROGUI_Shape.cxx
@@ -561,7 +561,7 @@ void HYDROGUI_Shape::updateShape( const bool theToDisplay,
   const Handle(Prs3d_Drawer)& anAttributes = myShape->Attributes();
   if ( !anAttributes.IsNull() )
   {
-    if ( myDisplayMode == AIS_Shaded )
+    if ( myDisplayMode == AIS_Shaded && myFillingColor.isValid() )
     {
       Quantity_Color aFillingColor( getQuantityColorVal( myFillingColor.red() ), 
                                     getQuantityColorVal( myFillingColor.green() ),
diff --git a/src/HYDROGUI/HYDROGUI_ShapeLandCoverMap.cxx b/src/HYDROGUI/HYDROGUI_ShapeLandCoverMap.cxx
index 450a195e..de07a5b5 100644
--- a/src/HYDROGUI/HYDROGUI_ShapeLandCoverMap.cxx
+++ b/src/HYDROGUI/HYDROGUI_ShapeLandCoverMap.cxx
@@ -41,6 +41,7 @@ HYDROGUI_ShapeLandCoverMap::HYDROGUI_ShapeLandCoverMap( HYDROGUI_OCCDisplayer* t
   myDisplayer( theDisplayer ),
   myIsScalarMapMode( theIsScalarMode )
 {
+  setFillingColor( QColor(), false, false );
 }
 
 HYDROGUI_ShapeLandCoverMap::~HYDROGUI_ShapeLandCoverMap()
-- 
2.39.2