additional tests

[modules/hydro.git] / src / HYDRO_tests / TestViewer.cxx

diff --git a/src/HYDRO_tests/TestViewer.cxx b/src/HYDRO_tests/TestViewer.cxx
index 4fc29d343263750c2d268e89d4594fd7ae39d505..1a5e0bf983efc645354aa5aa12cafc2bec062280 100644 (file)
--- a/src/HYDRO_tests/TestViewer.cxx
+++ b/src/HYDRO_tests/TestViewer.cxx
@@ -1,14 +1,35 @@
 
 #include <TestViewer.h>
+#include <random.h>
 #include <OCCViewer_ViewManager.h>
+#ifdef WIN32
+  #pragma warning ( disable: 4251 )
+#endif
 #include <OCCViewer_ViewModel.h>
+#ifdef WIN32
+  #pragma warning ( disable: 4251 )
+#endif
 #include <OCCViewer_ViewWindow.h>
+#ifdef WIN32
+  #pragma warning ( disable: 4251 )
+#endif
 #include <AIS_InteractiveContext.hxx>
 #include <AIS_Shape.hxx>
+#include <TopoDS_Iterator.hxx>
+
 #include <QDir>
+#include <QPainter>
+#include <QHash>
+
+#ifdef WIN32
+  #pragma warning ( default: 4251 )
+#endif
+
+#include <cppunit/TestAssert.h>
 
 OCCViewer_ViewManager* TestViewer::myViewManager = 0;
 OCCViewer_ViewWindow* TestViewer::myViewWindow = 0;
+QString TestViewer::myKey = "";
 
 OCCViewer_ViewManager* TestViewer::viewManager()
 {
@@ -44,21 +65,102 @@ Handle(AIS_InteractiveContext) context()
   return TestViewer::viewer()->getAISContext();
 }
 
-void TestViewer::show( const TopoDS_Shape& theShape, bool isFitAll )
+QColor randomColor()
 {
-  context()->EraseAll();
+  int aHue = rand()%255;
+  QColor aColor = QColor::fromHsl( aHue, 255, 128 );
+  return aColor;
+}
+
+void TestViewer::show( const TopoDS_Shape& theShape, int theMode, bool isFitAll, const QColor& theColor )
+{
+  double r = theColor.red() / 255.0;
+  double g = theColor.green() / 255.0;
+  double b = theColor.blue() / 255.0;
+
   Handle(AIS_Shape) aShape = new AIS_Shape( theShape );
-  context()->Display( aShape, AIS_Shaded, 0, Standard_False );
+  aShape->SetMaterial( Graphic3d_NOM_PLASTIC );
+  aShape->SetColor( Quantity_Color( r, g, b, Quantity_TOC_RGB ) );
+  context()->Display( aShape, theMode, 0, Standard_False );
+
+  if( isFitAll )
+  {
+    viewWindow()->onTopView();
+    viewWindow()->onFitAll();
+  }
+}
+
+void TestViewer::show( const TopoDS_Shape& theShape, int theMode, bool isFitAll, char* theKey )
+{
+  context()->EraseAll();
+  
+  myKey = theKey;
+  test_srand( qHash( theKey ) );
+  if( theShape.ShapeType()==TopAbs_COMPOUND )
+  {
+    TopoDS_Iterator anIt( theShape );
+    for( ; anIt.More(); anIt.Next() )
+      show( anIt.Value(), theMode, false, randomColor() );
+  }
+  else
+    show( theShape, theMode, false, randomColor() );
+
+  if( isFitAll )
+  {
+    viewWindow()->onTopView();
+    viewWindow()->onFitAll();
+  }
+}
+
+bool AreImagesEqual( const QImage& theImage1, const QImage& theImage2, double theTolerance )
+{
+  if( theImage1.isNull() || theImage2.isNull() )
+    return theImage1.isNull() == theImage2.isNull();
+
+  if( theImage1.size() != theImage2.size() )
+    return false;
 
-  viewWindow()->onTopView();
-  viewWindow()->onFitAll();
+  int aBytesCount = theImage1.byteCount();
+  const uchar *aBytes1 = theImage1.constBits();
+  const uchar *aBytes2 = theImage2.constBits();
+  int aBytesCountE = 0;
+  for( int i=0; i<aBytesCount; i++ )
+    if( aBytes1[i] != aBytes2[i] )
+      aBytesCountE++;
+
+  if ((double)aBytesCountE / (double)aBytesCount > theTolerance)
+    return false;
+
+  return true;
 }
 
-void TestViewer::dump( const TopoDS_Shape& theShape, const QString& theName )
+bool TestViewer::AssertImages( QString& theMessage )
 {
-  show( theShape );
-  QImage anImage = viewWindow()->dumpView();
+  QImage anActualImage = viewWindow()->dumpView();
+
+  QString anExpectedRefFilePath = qgetenv( "HYDRO_REFERENCE_DATA" );
+  anExpectedRefFilePath += "/" + myKey + ".png";
+  QImage anExpectedRefImage; 
+  anExpectedRefImage.load( anExpectedRefFilePath );
+
+  if( AreImagesEqual( anActualImage, anExpectedRefImage, 0.001 ) )
+  {
+    theMessage = "";
+    return true;
+  }
+
+  QString aPath = QDir::tempPath() + "/" + myKey + ".png";
+  anActualImage.save( aPath );
+  theMessage = "The viewer contents does not correspond to the reference image: " + myKey;
+  
+  QImage aDiff( anExpectedRefImage.width(), anExpectedRefImage.height(), QImage::Format_ARGB32 );
+  QPainter aPainter( &aDiff );
+  aPainter.drawImage( 0, 0, anExpectedRefImage );
+  aPainter.setCompositionMode( QPainter::RasterOp_SourceXorDestination );
+  aPainter.drawImage( 0, 0, anActualImage );
+
+  QString aDiffFilePath = QDir::tempPath() + "/" + myKey + "_diff.png";
+  aDiff.save( aDiffFilePath );
 
-  QString aPath = QDir::tempPath() + "/" + theName + ".png";
-  anImage.save( aPath );
+  return false;
 }