refs #327 - Polyline is not shown during creation

[modules/hydro.git] / src / HYDROGUI / HYDROGUI_Shape.cxx

diff --git a/src/HYDROGUI/HYDROGUI_Shape.cxx b/src/HYDROGUI/HYDROGUI_Shape.cxx
index 998ad9bc7f47a62dc06cb500d20d2bab42760164..9cfb65e11cc9093559f82bf6fab8362af137b468 100644 (file)
--- a/src/HYDROGUI/HYDROGUI_Shape.cxx
+++ b/src/HYDROGUI/HYDROGUI_Shape.cxx
@@ -73,9 +73,11 @@
 #include <QFile>
 
 HYDROGUI_Shape::HYDROGUI_Shape( const Handle(AIS_InteractiveContext)& theContext,
-                                const Handle(HYDROData_Entity)&       theObject )
+                                const Handle(HYDROData_Entity)&       theObject,
+                                const int                             theZLayer )
 : myContext( theContext ),
   myObject( theObject ),
+  myZLayer( theZLayer ),
   myIsHighlight( false ),
   myFillingColor( Qt::transparent ),
   myBorderColor( Qt::black ),
@@ -101,7 +103,7 @@ void HYDROGUI_Shape::display( const bool theIsUpdateViewer )
   if ( myContext.IsNull() || myShape.IsNull() || !isVisible() )
     return;
 
-  myContext->Display( myShape, theIsUpdateViewer );
+  displayShape( theIsUpdateViewer );
 }
 
 void HYDROGUI_Shape::erase( const bool theIsUpdateViewer )
@@ -250,26 +252,36 @@ void HYDROGUI_Shape::update( const bool theIsUpdateViewer,
       int aWidth = anImage.width();
       int aHeight = anImage.height();
 
+      QString anImageError = "";
+
       QTransform anInversion = QTransform::fromScale( -1, -1 );
       anImage = anImage.transformed( anInversion * aTrsf, Qt::SmoothTransformation );
 
-      // Workaround: Scale the texture image to the nearest width multiple 4 due to the CASCADE bug 23813
-      int aTrsfWidth = anImage.width();
-      int aDelta = aTrsfWidth % 4;
-      if ( aDelta > 0 )
+      if ( anImage.isNull() )
+        anImageError = QObject::tr( "IMAGE_TRANSFORMATION_CAN_NOT_BE_APPLYED" );
+      else
       {
-        aTrsfWidth += ( 4 - aDelta );
-      }
-      anImage = anImage.scaledToWidth( aTrsfWidth );
+        // Workaround: Scale the texture image to the nearest width multiple 4 due to the CASCADE bug 23813
+        int aTrsfWidth = anImage.width();
+        int aDelta = aTrsfWidth % 4;
+        if ( aDelta > 0 )
+        {
+          aTrsfWidth += ( 4 - aDelta );
+        }
+        anImage = anImage.scaledToWidth( aTrsfWidth );
 
-      // temporary optimization, to reduce the saved image size (and the texture quality)
-      QImage anImageToSave = anImage; //RKV:reduceTexture( anImage, 500 );
+        // temporary optimization, to reduce the saved image size (and the texture quality)
+        QImage anImageToSave = anImage; //RKV:reduceTexture( anImage, 500 );
 
-      bool isSaved = anImageToSave.save( aTextureFileName );
-      if ( !isSaved ) {
-        QString aTitle = QObject::tr( "FILE_ERROR" );
-        QString aMessage = QObject::tr( "FILE_CAN_NOT_BE_CREATED" ).arg( aTextureFileName );
-        SUIT_MessageBox::warning( 0, aTitle, aMessage );
+        bool isSaved = anImageToSave.save( aTextureFileName );
+        if ( !isSaved )
+          anImageError = QObject::tr( "FILE_CAN_NOT_BE_CREATED" ).arg( aTextureFileName );
+      }
+
+      if ( !anImageError.isEmpty() )
+      {
+        SUIT_MessageBox::warning( 0, QObject::tr( "SHAPE_IMAGE_ERROR" ),
+                                  QObject::tr( "IMAGE_CAN_NOT_BE_CREATED" ) + anImageError );
       }
 
       QPointF aPoint1( 0, 0 );            // 1: top left
@@ -379,9 +391,10 @@ void HYDROGUI_Shape::update( const bool theIsUpdateViewer,
   if ( myShape.IsNull() || !isVisible() )
     return;
 
-  myContext->Display( myShape, theIsUpdateViewer );
-  
-  if ( theIsDisplayOnTop ) {
+  displayShape( theIsUpdateViewer );
+  // the following code is not necessary if the Z layer is set for the shape
+  if ( myZLayer && theIsDisplayOnTop )
+  {
     // Display the shape on the top Z layer
     Standard_Integer aNewLayerId = -1;
     if ( myContext->CurrentViewer() && 
@@ -398,16 +411,18 @@ void HYDROGUI_Shape::update( const bool theIsUpdateViewer,
 void HYDROGUI_Shape::setVisible( const bool theState,
                                  const bool theIsUpdateViewer )
 {
-  if ( myIsVisible == theState )
-    return;
-
   myIsVisible = theState;
 
   if ( myShape.IsNull() )
     return;
 
-  if ( myIsVisible )
-    myContext->Display( myShape, theIsUpdateViewer );
+  if ( ( myIsVisible && myContext->IsDisplayed( myShape ) ) ||
+       ( !myIsVisible && !myContext->IsDisplayed( myShape ) ) )
+    return;
+
+  if ( myIsVisible ) {
+    displayShape( theIsUpdateViewer );
+  }
   else
     myContext->Erase( myShape, theIsUpdateViewer );
 }
@@ -423,7 +438,7 @@ void HYDROGUI_Shape::highlight( bool theIsHighlight, bool isUpdateViewer )
     return;
 
   colorShapeBorder( getActiveColor() );
-  myContext->Display( myShape, isUpdateViewer );
+  displayShape( isUpdateViewer );
 }
 
 bool HYDROGUI_Shape::isHighlighted() const
@@ -557,6 +572,16 @@ QString HYDROGUI_Shape::getTextureFileName() const
   return myTextureFileName;
 }
 
+void HYDROGUI_Shape::setZLayer( const int theZLayer )
+{
+  if ( myZLayer == theZLayer )
+    return;
+
+  myZLayer = theZLayer;
+  if ( !myShape.IsNull() && isVisible() && !myContext.IsNull() && myZLayer >= 0 )
+    myContext->SetZLayer( myShape, myZLayer );
+}
+
 void HYDROGUI_Shape::buildShape()
 {
   // Erase previously created shape
@@ -579,6 +604,8 @@ void HYDROGUI_Shape::buildShape()
     myShape = new AIS_Shape( myTopoShape );
   }
 
+  myShape->SetHLRAngleAndDeviation( 0.001 );
+
   if ( !myObject.IsNull() )
     myShape->SetOwner( myObject );
 
@@ -668,7 +695,17 @@ void HYDROGUI_Shape::updateShape( const bool theToDisplay,
   if ( !theToDisplay || !isVisible() || myContext.IsNull() )
     return;
   
-  myContext->Display( myShape, theIsUpdateViewer );
+  displayShape( theIsUpdateViewer );
+}
+
+void HYDROGUI_Shape::displayShape( const bool theIsUpdateViewer )
+{
+  myContext->Display( myShape, Standard_False );
+
+  if ( myZLayer >= 0 )
+    myContext->SetZLayer( myShape, myZLayer );
+
+  myContext->UpdateCurrentViewer();
 }
 
 QColor HYDROGUI_Shape::getActiveColor() const