From c4738cc6d2fb23c60a1922847991007b3ac4e6d7 Mon Sep 17 00:00:00 2001
From: asl <asl@opencascade.com>
Date: Tue, 13 Sep 2016 12:09:30 +0300
Subject: [PATCH] debug of DTM presentation

---
 src/HYDROData/HYDROData_DTM.cxx          |   2 +-
 src/HYDRO_tests/TestViewer.cxx           |  11 +-
 src/HYDRO_tests/TestViewer.h             |  14 ++-
 src/HYDRO_tests/reference_data/DTM_1.png | Bin 0 -> 10414 bytes
 src/HYDRO_tests/test_HYDROData_DTM.cxx   | 131 +++++++++++++++++++++--
 5 files changed, 146 insertions(+), 12 deletions(-)
 create mode 100644 src/HYDRO_tests/reference_data/DTM_1.png

diff --git a/src/HYDROData/HYDROData_DTM.cxx b/src/HYDROData/HYDROData_DTM.cxx
index 9e4da231..4db3a948 100644
--- a/src/HYDROData/HYDROData_DTM.cxx
+++ b/src/HYDROData/HYDROData_DTM.cxx
@@ -520,7 +520,7 @@ HYDROData_Bathymetry::AltitudePoints HYDROData_DTM::Interpolate
   size_t q = p>0 ? 2*mid[0].size() : 1;
   AltitudePoints points;
   points.reserve( p*q );
-  for( size_t i=0; i<q; i++ )
+  for( size_t i=0; i<p; i++ )
     CurveTo3D( theHydraulicAxis, mid[i], wid[i], points );
   return points;
 }
diff --git a/src/HYDRO_tests/TestViewer.cxx b/src/HYDRO_tests/TestViewer.cxx
index 196df1f0..904dbc93 100644
--- a/src/HYDRO_tests/TestViewer.cxx
+++ b/src/HYDRO_tests/TestViewer.cxx
@@ -257,9 +257,16 @@ bool AreImagesEqual( const QImage& theImage1, const QImage& theImage2, double th
   return true;
 }
 
-bool TestViewer::AssertImages( QString& theMessage )
+bool TestViewer::AssertImages( QString& theMessage, const QImage* theImage, const char* theCase )
 {
-  QImage anActualImage = viewWindow()->dumpView();
+  QImage anActualImage;
+  if( theImage )
+    anActualImage = *theImage;
+  else
+    anActualImage = viewWindow()->dumpView();
+
+  if( theCase )
+    myKey = theCase;
 
   QString anExpectedRefFilePath = qgetenv( "HYDRO_ROOT_DIR" ) + "/bin/salome/test/HYDRO";
   anExpectedRefFilePath += "/" + myKey + ".png";
diff --git a/src/HYDRO_tests/TestViewer.h b/src/HYDRO_tests/TestViewer.h
index 9030f33b..7173bb2f 100644
--- a/src/HYDRO_tests/TestViewer.h
+++ b/src/HYDRO_tests/TestViewer.h
@@ -24,6 +24,7 @@ class OCCViewer_ViewWindow;
 class TopoDS_Shape;
 class QString;
 class QColor;
+class QImage;
 class Handle_AIS_InteractiveContext;
 class Handle_AIS_InteractiveObject;
 class Handle_Aspect_ColorScale;
@@ -41,7 +42,7 @@ public:
                     int theMode, int theSelectionMode, bool isFitAll, const char* theKey );
   static void show( const TopoDS_Shape& theShape, int theMode, bool isFitAll, const QColor& theColor );
   static void show( const TopoDS_Shape& theShape, int theMode, bool isFitAll, const char* theKey );
-  static bool AssertImages( QString& theMessage );
+  static bool AssertImages( QString& theMessage, const QImage* = 0, const char* theCase = 0 );
   static QColor GetColor(int i);
 
   static Handle_Aspect_ColorScale colorScale();
@@ -72,6 +73,17 @@ private:
     }                                                      \
   }                                                        \
 
+#define CPPUNIT_ASSERT_IMAGES2( theImage, theCase )        \
+  {                                                        \
+    QString aMessage;                                      \
+    if( !TestViewer::AssertImages( aMessage, theImage, theCase ) ) \
+    {                                                      \
+      TestViewer::showColorScale( false );                 \
+      std::string aMessageStl = aMessage.toStdString();    \
+      CPPUNIT_FAIL( aMessageStl.c_str() );                 \
+    }                                                      \
+  }                                                        \
+
 #define CPPUNIT_ASSERT_SCRIPTS_EQUAL( theBaseName,         \
                                       isExpectedUtf8,      \
                                       isActualUtf8,        \
diff --git a/src/HYDRO_tests/reference_data/DTM_1.png b/src/HYDRO_tests/reference_data/DTM_1.png
new file mode 100644
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diff --git a/src/HYDRO_tests/test_HYDROData_DTM.cxx b/src/HYDRO_tests/test_HYDROData_DTM.cxx
index 96e779c7..97d122ab 100644
--- a/src/HYDRO_tests/test_HYDROData_DTM.cxx
+++ b/src/HYDRO_tests/test_HYDROData_DTM.cxx
@@ -30,12 +30,119 @@
 #include <AIS_PointCloud.hxx>
 #include <HYDROGUI_ShapeBathymetry.h>
 #include <Aspect_ColorScale.hxx>
-#include <QTest>
+#include <QGraphicsItem>
+#include <QGraphicsScene>
+#include <QGraphicsView>
+#include <QPixmap>
+#include <QApplication>
 
 const double EPS = 1E-3;
 
 NCollection_Sequence<HYDROData_IPolyline::Point> points;
 
+class DTM_item : public QGraphicsItem
+{
+public:
+  DTM_item( HYDROGUI_ShapeBathymetry* theDTM, double d )
+  {
+    Handle(AIS_PointCloud) pc = Handle(AIS_PointCloud)::DownCast( theDTM->getAISObject() );
+    Handle(Graphic3d_ArrayOfPoints) pp = pc->GetPoints();
+    myBB = QRectF();
+    double xmin, xmax, ymin, ymax;
+    myD = d;
+
+    int n = pp->VertexNumber();
+    
+    for( int i=1; i<=n; i++ )
+    {
+      gp_Pnt pnt = pp->Vertice( i );
+      Quantity_Color col = pp->VertexColor( i );
+
+      int r = col.Red()*255;
+      int g = col.Green()*255;
+      int b = col.Blue()*255;
+      int val = ( r << 16 ) + ( g << 8 ) + b;
+      double x = pnt.X();
+      double y = -pnt.Y();
+      QPointF aPnt( x, y );
+      myPoints[val].append( aPnt );
+      if( i==1 )
+      {
+        xmin = x;
+        xmax = x;
+        ymin = y;
+        ymax = y;
+      }
+      else
+      {
+        if( x>xmax )
+          xmax = x;
+        if( x<xmin )
+          xmin = x;
+        if( y>ymax )
+          ymax = y;
+        if( y<ymin )
+          ymin = y;
+      }
+    }
+
+    xmin -= 10;
+    xmax += 10;
+    ymin -= 10;
+    ymax += 10;
+    myBB.setRect( xmin, ymin, xmax-xmin, ymax-ymin );
+  }
+
+  virtual QRectF boundingRect() const
+  {
+    return myBB;
+  }
+
+  virtual void paint( QPainter* p, const QStyleOptionGraphicsItem*, QWidget* )
+  {
+    QMap<int, QList<QPointF> >::const_iterator it = myPoints.begin(), last = myPoints.end();
+    for( ; it!=last; it++ )
+    {
+      int r = ( it.key() >> 16 ) % 256;
+      int g = ( it.key() >> 8  ) % 256;
+      int b = ( it.key() >> 0  ) % 256;
+      QColor aColor( r, g, b );
+      QBrush aBrush( aColor );
+      foreach( QPointF pnt, it.value() )
+      {
+        QRectF r( pnt.x()-myD/2, pnt.y()-myD/2, myD, myD );
+        p->fillRect( r, aBrush );
+      }
+    }
+  }
+
+private:
+  QRectF myBB;
+  double myD;
+  QMap<int, QList<QPointF> > myPoints;
+};
+
+QImage draw_DTM( HYDROGUI_ShapeBathymetry* theDTM, double theD, int theWidth, int theHeight )
+{
+  QGraphicsScene aScene;
+  QGraphicsView aView;
+  DTM_item anItem( theDTM, theD );
+
+  aView.setScene( &aScene );
+  aView.setHorizontalScrollBarPolicy( Qt::ScrollBarAlwaysOff );
+  aView.setVerticalScrollBarPolicy( Qt::ScrollBarAlwaysOff );
+  aScene.addItem( &anItem );
+
+  aView.resize( theWidth, theHeight );
+  QRectF bb = anItem.boundingRect();
+  aView.fitInView( bb, Qt::KeepAspectRatio );
+  QApplication::processEvents();
+
+  QPixmap aPixmap = QPixmap::grabWidget( &aView );
+  return aPixmap.toImage();
+}
+
+
 void test_HYDROData_DTM::setUp()
 {
   points.Clear();
@@ -99,6 +206,14 @@ void test_HYDROData_DTM::test_hydraulic_axis()
   CPPUNIT_ASSERT_DOUBLES_EQUAL(  43.499, distances[1], EPS );
   CPPUNIT_ASSERT_DOUBLES_EQUAL( 211.474, distances[2], EPS );
 
+  gp_Pnt2d p;
+  gp_Vec2d q;
+  HA->D1( 0, p, q );
+  CPPUNIT_ASSERT_DOUBLES_EQUAL( 13.75, p.X(), EPS );
+  CPPUNIT_ASSERT_DOUBLES_EQUAL( 6.25, p.Y(), EPS );
+  CPPUNIT_ASSERT_DOUBLES_EQUAL( 0.568, q.X(), EPS );
+  CPPUNIT_ASSERT_DOUBLES_EQUAL( 0.568, q.Y(), EPS );
+
   aDoc->Close();
 }
 
@@ -409,13 +524,13 @@ void test_HYDROData_DTM::test_presentation()
 
   aProfile1->SetParametricPoints( points );
   aProfile1->GetProfileUZ()->SetSectionType( 0, HYDROData_IPolyline::SECTION_SPLINE );
-  aProfile1->SetLeftPoint( gp_XY( 20, 0 ) );
-  aProfile1->SetRightPoint( gp_XY( 10, 10 ) );
+  aProfile1->SetLeftPoint( gp_XY( 10, 10 ) );
+  aProfile1->SetRightPoint( gp_XY( 20, 0 ) );
 
   aProfile2->SetParametricPoints( points );
   aProfile2->GetProfileUZ()->SetSectionType( 0, HYDROData_IPolyline::SECTION_SPLINE );
-  aProfile2->SetLeftPoint( gp_XY( 100, 0 ) );
-  aProfile2->SetRightPoint( gp_XY( 110, 0 ) );
+  aProfile2->SetLeftPoint( gp_XY( 110, 10 ) );
+  aProfile2->SetRightPoint( gp_XY( 100, 0 ) );
 
   HYDROData_SequenceOfObjects seq;
   seq.Append( aProfile1 );
@@ -427,7 +542,7 @@ void test_HYDROData_DTM::test_presentation()
   CPPUNIT_ASSERT_DOUBLES_EQUAL( 1.0, DTM->GetSpatialStep(), EPS );
   DTM->Update();
   
-  CPPUNIT_ASSERT_EQUAL( 10404, (int)DTM->GetAltitudePoints().size() ); 
+  CPPUNIT_ASSERT_EQUAL( 10200, (int)DTM->GetAltitudePoints().size() ); 
 
   Handle_AIS_InteractiveContext aContext = TestViewer::context();
   HYDROGUI_ShapeBathymetry* aBathPrs = new HYDROGUI_ShapeBathymetry( 0, aContext, DTM );
@@ -440,8 +555,8 @@ void test_HYDROData_DTM::test_presentation()
   aCS->SetNumberOfIntervals( 10 );
   aBathPrs->UpdateWithColorScale( aCS );
   
-  TestViewer::show( aBathPrs->getAISObject(), AIS_PointCloud::DM_Points, 0, true, "DTM_1" );
-  CPPUNIT_ASSERT_IMAGES
+  QImage aDTMPrs = draw_DTM( aBathPrs, 0.5, 600, 600 );
+  CPPUNIT_ASSERT_IMAGES2( &aDTMPrs, "DTM_1" );
   delete aBathPrs;
 
   aDoc->Close();
-- 
2.39.2