Integration of OCCT 6.5.0 from SVN

samples/mfc/occtdemo/Transform/Transform_Presentation.cpp

@@ -0,0 +1,458 @@
+// Transform_Presentation.cpp: implementation of the Transform_Presentation class.
+// Transform shapes: apply gp_Trsf or gp_GTrsf transformation
+////////////////////////////////////////////////////////////////////////////
+
+#include "stdafx.h"
+#include "Transform_Presentation.h" 
+#include <BRep_Builder.hxx>
+#include <BRepTools.hxx>
+#include <BRepBuilderAPI_Transform.hxx>
+#include <AIS_Axis.hxx>
+#include <Geom_Axis1Placement.hxx>
+#include <Geom_Line.hxx>
+#include <Geom_Circle.hxx>
+#include <Geom_TrimmedCurve.hxx>
+#include <AIS_Drawer.hxx>
+#include <Prs3d_ArrowAspect.hxx>
+#include <Geom_Plane.hxx>
+#include <Geom_RectangularTrimmedSurface.hxx>
+#include <gp_GTrsf.hxx>
+#include <BRepBuilderAPI_GTransform.hxx>
+
+
+#ifdef WNT
+ #define EOL "\r\n"
+ #define DELIM "\\"
+#else
+ #define EOL "\n"
+ #define DELIM "/"
+#endif
+
+// Initialization of global variable with an instance of this class
+OCCDemo_Presentation* OCCDemo_Presentation::Current = new Transform_Presentation;
+
+// Initialization of array of samples
+const Transform_Presentation::PSampleFuncType Transform_Presentation::SampleFuncs[] =
+{
+  &Transform_Presentation::sample1,
+  &Transform_Presentation::sample2
+};
+
+//////////////////////////////////////////////////////////////////////
+// Construction/Destruction
+//////////////////////////////////////////////////////////////////////
+
+Transform_Presentation::Transform_Presentation()
+{
+  myNbSamples = sizeof(SampleFuncs)/sizeof(PSampleFuncType);
+  setName ("Transform shapes");
+}
+
+//////////////////////////////////////////////////////////////////////
+// Sample execution
+//////////////////////////////////////////////////////////////////////
+
+void Transform_Presentation::DoSample()
+{
+  getAISContext()->EraseAll();
+  if (myIndex >=0 && myIndex < myNbSamples)
+    (this->*SampleFuncs[myIndex])();
+}
+
+//////////////////////////////////////////////////////////////////////
+// Auxiliary functions
+//////////////////////////////////////////////////////////////////////
+
+Standard_Boolean Transform_Presentation::readShape(const Standard_CString theFileName,
+                                                   TopoDS_Shape& theShape)
+{
+  theShape.Nullify();
+  TCollection_AsciiString aPath;
+  aPath = aPath + GetDataDir() + DELIM + theFileName;
+  BRep_Builder aBld;
+  Standard_Boolean isRead = BRepTools::Read (theShape, aPath.ToCString(), aBld);
+  if (!isRead)
+  {
+    aPath = aPath + " is not found";
+    setResultText(aPath.ToCString());
+  }
+  return isRead;
+}
+
+// apply standard transformation and get transformed shape
+static TopoDS_Shape Transform(const TopoDS_Shape& aShape, const gp_Trsf& aTrsf)
+{
+  BRepBuilderAPI_Transform aTransform(aTrsf);
+  Standard_Boolean toCopy = Standard_False;  // share entities if possible
+  aTransform.Perform(aShape, toCopy);
+  if (aTransform.IsDone())
+    return aTransform.Shape();
+  return TopoDS_Shape();
+}
+
+// apply general transformation and get transformed shape
+static TopoDS_Shape GTransform(const TopoDS_Shape& aShape, const gp_GTrsf& aTrsf)
+{
+  BRepBuilderAPI_GTransform aTransform(aTrsf);
+  Standard_Boolean toCopy = Standard_False;  // share entities if possible
+  aTransform.Perform(aShape, toCopy);
+  if (aTransform.IsDone())
+    return aTransform.Shape();
+  return TopoDS_Shape();
+}
+
+//////////////////////////////////////////////////////////////////////
+// Sample functions
+//////////////////////////////////////////////////////////////////////
+
+void Transform_Presentation::sample1()
+{
+  SetViewScale(4);
+  setResultTitle ("Standard transformations");
+
+  // define initial shape
+  static TopoDS_Shape aShape;
+  TopoDS_Shape aNewShape;
+  if (aShape.IsNull() && !readShape("shape1.brep",aShape))
+    return;
+
+  TCollection_AsciiString aText;
+  aText +=
+    "// Apply standard transformation and get transformed shape" EOL
+    "TopoDS_Shape Transform(const TopoDS_Shape& aShape, const gp_Trsf& aTrsf)" EOL
+    "{" EOL
+    "  BRepBuilderAPI_Transform aTransform(aTrsf);" EOL
+    "  Standard_Boolean toCopy = Standard_False;  // share entities if possible" EOL
+    "  aTransform.Perform(aShape, toCopy);" EOL
+    "  if (aTransform.IsDone())" EOL
+    "    return aTransform.Shape();" EOL
+    "  return TopoDS_Shape();" EOL
+    "}" EOL EOL
+
+    "// ..." EOL EOL
+
+    "  // define initial shape and shape used for result" EOL
+    "  TopoDS_Shape aShape, aNewShape;" EOL
+    "  // aShape = ... ;" EOL EOL
+
+    "  // create standard transformation" EOL
+    "  gp_Trsf aTrsf;" EOL EOL
+
+    "  // define translation" EOL
+    "  Standard_Real dx=-80, dy=-60, dz=-50;" EOL
+    "  gp_Vec aVec(dx,dy,dz);" EOL
+    "  aTrsf.SetTranslation(aVec);" EOL EOL
+
+    "  aNewShape = Transform(aShape, aTrsf);" EOL EOL
+
+    "  // add rotation" EOL
+    "  gp_Trsf aRotTrsf;" EOL
+    "  gp_Pnt ax1Pnt(dx,dy,dz);" EOL
+    "  gp_Dir ax1Dir(0,0,1);" EOL
+    "  gp_Ax1 ax1 (ax1Pnt,ax1Dir);" EOL
+    "  Standard_Real angle = 60. * PI / 180;" EOL
+    "  aRotTrsf.SetRotation(ax1, angle);" EOL
+    "  aTrsf = aRotTrsf * aTrsf;" EOL EOL
+
+    "  aNewShape = Transform(aShape, aTrsf);" EOL EOL
+
+    "  // add scaling" EOL
+    "  gp_Trsf aScaleTrsf;" EOL
+    "  gp_Pnt scalePnt = ax1Pnt;" EOL
+    "  Standard_Real scaleFactor = 0.6;" EOL
+    "  aScaleTrsf.SetScale(scalePnt, scaleFactor);" EOL
+    "  aTrsf = aScaleTrsf * aTrsf;" EOL EOL
+
+    "  aNewShape = Transform(aShape, aTrsf);" EOL EOL
+
+    "  // add point mirror" EOL
+    "  gp_Trsf aMir1Trsf;" EOL
+    "  gp_Pnt mirPnt(dx/4,dy/4,dz/4);" EOL
+    "  aMir1Trsf.SetMirror(mirPnt);" EOL
+    "  aTrsf = aMir1Trsf * aTrsf;" EOL EOL
+
+    "  aNewShape = Transform(aShape, aTrsf);" EOL EOL
+
+    "  // add axial mirror" EOL
+    "  gp_Trsf aMir2Trsf;" EOL
+    "  gp_Ax1 mirAx1(gp_Pnt(0,0,0),gp_Dir(0,0,1));" EOL
+    "  aMir2Trsf.SetMirror(mirAx1);" EOL
+    "  aTrsf = aMir2Trsf * aTrsf;" EOL EOL
+
+    "  aNewShape = Transform(aShape, aTrsf);" EOL EOL
+
+    "  // add planar mirror" EOL
+    "  gp_Trsf aMir3Trsf;" EOL
+    "  gp_Ax2 mirAx2(gp_Pnt(-dx/4,0,0),gp_Dir(1,0,0));" EOL
+    "  aMir3Trsf.SetMirror(mirAx2);" EOL
+    "  aTrsf = aMir3Trsf * aTrsf;" EOL EOL
+
+    "  aNewShape = Transform(aShape, aTrsf);" EOL EOL;
+  setResultText(aText.ToCString());
+
+  Handle(AIS_InteractiveObject) aIShape = drawShape (aShape);
+  if (WAIT_A_SECOND) return;
+
+  // create standard transformation
+  gp_Trsf aTrsf;
+
+  // define translation
+  Standard_Real dx=-80, dy=-60, dz=-50;
+  gp_Vec aVec(dx,dy,dz);
+  aTrsf.SetTranslation(aVec);
+
+  Handle(AIS_InteractiveObject) aIVec = drawVector(gp::Origin(),aVec,Quantity_NOC_WHITE);
+  if (WAIT_A_LITTLE) return;
+
+  aNewShape = Transform(aShape, aTrsf);
+
+  if (aNewShape.IsNull())
+  {
+    aText += EOL "Error: transformation failure" EOL;
+    setResultText(aText.ToCString());
+    return;
+  }
+  Handle(AIS_InteractiveObject) oldObj = aIShape;
+  aIShape = drawShape (aNewShape);
+  getAISContext()->Erase(oldObj);
+  if (WAIT_A_SECOND) return;
+  getAISContext()->Erase(aIVec);
+
+  // add rotation
+  gp_Trsf aRotTrsf;
+  gp_Pnt ax1Pnt(dx,dy,dz);
+  gp_Dir ax1Dir(0,0,1);
+  gp_Ax1 ax1 (ax1Pnt,ax1Dir);
+  Standard_Real angle = 60. * PI / 180;
+  aRotTrsf.SetRotation(ax1, angle);
+  aTrsf = aRotTrsf * aTrsf;
+
+  Handle(AIS_InteractiveObject) aIAx1 = drawCurve(new Geom_Line(ax1),Quantity_NOC_WHITE);
+  gp_Ax2 ax2(ax1Pnt.Translated(gp_Vec(0,0,70)),ax1Dir);
+  Handle(Geom_Curve) aCirc = new Geom_TrimmedCurve(new Geom_Circle(ax2,20),0,angle);
+  Handle(AIS_InteractiveObject) aICirc = drawCurve(aCirc,Quantity_NOC_WHITE,Standard_False);
+  Handle(AIS_Drawer) aDrawer = new AIS_Drawer;
+  aDrawer->Link()->SetLineArrowDraw(Standard_True);
+  aDrawer->Link()->ArrowAspect()->SetLength(2);
+  getAISContext()->SetLocalAttributes (aICirc, aDrawer);
+  getAISContext()->Display (aICirc);
+  if (WAIT_A_LITTLE) return;
+
+  aNewShape = Transform(aShape, aTrsf);
+
+  if (aNewShape.IsNull())
+  {
+    aText += EOL "Error: transformation failure" EOL;
+    setResultText(aText.ToCString());
+    return;
+  }
+  oldObj = aIShape;
+  aIShape = drawShape (aNewShape);
+  getAISContext()->Erase(oldObj);
+  if (WAIT_A_SECOND) return;
+  getAISContext()->Erase(aIAx1);
+  getAISContext()->Erase(aICirc);
+
+  // add scaling
+  gp_Trsf aScaleTrsf;
+  gp_Pnt scalePnt = ax1Pnt;
+  Standard_Real scaleFactor = 0.6;
+  aScaleTrsf.SetScale(scalePnt, scaleFactor);
+  aTrsf = aScaleTrsf * aTrsf;
+
+  Handle(AIS_InteractiveObject) aIPnt = drawPoint(scalePnt, Quantity_NOC_WHITE);
+  if (WAIT_A_LITTLE) return;
+
+  aNewShape = Transform(aShape, aTrsf);
+
+  if (aNewShape.IsNull())
+  {
+    aText += EOL "Error: transformation failure" EOL;
+    setResultText(aText.ToCString());
+    return;
+  }
+  oldObj = aIShape;
+  aIShape = drawShape (aNewShape);
+  getAISContext()->Erase(oldObj);
+  if (WAIT_A_SECOND) return;
+  getAISContext()->Erase(aIPnt);
+
+  // add point mirror
+  gp_Trsf aMir1Trsf;
+  gp_Pnt mirPnt(dx/4,dy/4,dz/4);
+  aMir1Trsf.SetMirror(mirPnt);
+  aTrsf = aMir1Trsf * aTrsf;
+
+  aIPnt = drawPoint(mirPnt, Quantity_NOC_WHITE);
+  if (WAIT_A_LITTLE) return;
+
+  aNewShape = Transform(aShape, aTrsf);
+
+  if (aNewShape.IsNull())
+  {
+    aText += EOL "Error: transformation failure" EOL;
+    setResultText(aText.ToCString());
+    return;
+  }
+  oldObj = aIShape;
+  aIShape = drawShape (aNewShape);
+  getAISContext()->Erase(oldObj);
+  if (WAIT_A_SECOND) return;
+  getAISContext()->Erase(aIPnt);
+
+  // add axial mirror
+  gp_Trsf aMir2Trsf;
+  gp_Ax1 mirAx1(gp_Pnt(0,0,0),gp_Dir(0,0,1));
+  aMir2Trsf.SetMirror(mirAx1);
+  aTrsf = aMir2Trsf * aTrsf;
+
+  aIAx1 = drawCurve(new Geom_Line(mirAx1),Quantity_NOC_WHITE);
+  if (WAIT_A_LITTLE) return;
+
+  aNewShape = Transform(aShape, aTrsf);
+
+  if (aNewShape.IsNull())
+  {
+    aText += EOL "Error: transformation failure" EOL;
+    setResultText(aText.ToCString());
+    return;
+  }
+  oldObj = aIShape;
+  aIShape = drawShape (aNewShape);
+  getAISContext()->Erase(oldObj);
+  if (WAIT_A_SECOND) return;
+  getAISContext()->Erase(aIAx1);
+
+  // add planar mirror
+  gp_Trsf aMir3Trsf;
+  gp_Ax2 mirAx2(gp_Pnt(-dx/4,0,0),gp_Dir(1,0,0));
+  aMir3Trsf.SetMirror(mirAx2);
+  aTrsf = aMir3Trsf * aTrsf;
+
+  Handle(AIS_InteractiveObject) aIAx2 = drawSurface(
+    new Geom_RectangularTrimmedSurface(new Geom_Plane(mirAx2),-50.,50.,-50.,50.),
+    Quantity_NOC_WHITE);
+  if (WAIT_A_LITTLE) return;
+
+  aNewShape = Transform(aShape, aTrsf);
+
+  if (aNewShape.IsNull())
+  {
+    aText += EOL "Error: transformation failure" EOL;
+    setResultText(aText.ToCString());
+    return;
+  }
+  oldObj = aIShape;
+  aIShape = drawShape (aNewShape);
+  getAISContext()->Erase(oldObj);
+  if (WAIT_A_SECOND) return;
+  getAISContext()->Erase(aIAx2);
+}
+
+void Transform_Presentation::sample2()
+{
+  ResetView();
+  SetViewCenter(219.25218771377, 60.449092616063);
+  SetViewScale(3.4554379699768); 
+
+  setResultTitle ("General transformations");
+
+  // define initial shape
+  static TopoDS_Shape aShape;
+  TopoDS_Shape aNewShape;
+  if (aShape.IsNull() && !readShape("Pump_Nut.brep",aShape))
+    return;
+
+  TCollection_AsciiString aText;
+  aText +=
+    "// Apply general transformation and get transformed shape" EOL
+    "TopoDS_Shape GTransform(const TopoDS_Shape& aShape, const gp_GTrsf& aTrsf)" EOL
+    "{" EOL
+    "  BRepBuilderAPI_GTransform aTransform(aTrsf);" EOL
+    "  Standard_Boolean toCopy = Standard_False;  // share entities if possible" EOL
+    "  aTransform.Perform(aShape, toCopy);" EOL
+    "  if (aTransform.IsDone())" EOL
+    "    return aTransform.Shape();" EOL
+    "  return TopoDS_Shape();" EOL
+    "}" EOL EOL
+
+    "// ..." EOL EOL
+
+    "  // define initial shape and shape used for result" EOL
+    "  TopoDS_Shape aShape, aNewShape;" EOL
+    "  // aShape = ... ;" EOL EOL
+
+    "  // create general transformation" EOL
+    "  gp_GTrsf aTrsf;" EOL EOL
+    
+    "  // define affinity respect to line" EOL
+    "  gp_Ax1 ax1(gp_Pnt(81,280,0),gp_Dir(0,1,0));" EOL
+    "  Standard_Real ratio = 2;" EOL
+    "  aTrsf.SetAffinity(ax1, ratio);" EOL EOL
+
+    "  aNewShape = GTransform(aShape, aTrsf);" EOL EOL
+
+    "  // add affinity respect to plane" EOL
+    "  gp_GTrsf aTrsf1;" EOL
+    "  gp_Ax2 ax2(gp_Pnt(81,280,0),gp_Dir(0,1,0));" EOL
+    "  ratio = 8;" EOL
+    "  aTrsf1.SetAffinity(ax2, ratio);" EOL
+    "  aTrsf = aTrsf1 * aTrsf;" EOL EOL
+
+    "  aNewShape = GTransform(aShape, aTrsf);" EOL EOL;
+  setResultText(aText.ToCString());
+
+  Handle(AIS_InteractiveObject) aIShape = drawShape (aShape);
+  if (WAIT_A_SECOND) return;
+
+  // create general transformation
+  gp_GTrsf aTrsf;
+
+  // define affinity respect to line
+  gp_Ax1 ax1(gp_Pnt(81,280,0),gp_Dir(0,1,0));
+  Standard_Real ratio = 2;
+  aTrsf.SetAffinity(ax1, ratio);
+
+  Handle(AIS_InteractiveObject) aIAx1 = drawCurve(new Geom_Line(ax1),Quantity_NOC_WHITE);
+  if (WAIT_A_LITTLE) return;
+
+  aNewShape = GTransform(aShape, aTrsf);
+
+  if (aNewShape.IsNull())
+  {
+    aText += EOL "Error: transformation failure" EOL;
+    setResultText(aText.ToCString());
+    return;
+  }
+  Handle(AIS_InteractiveObject) oldObj = aIShape;
+  aIShape = drawShape (aNewShape);
+  getAISContext()->Erase(oldObj);
+  if (WAIT_A_SECOND) return;
+  getAISContext()->Erase(aIAx1);
+
+  // add affinity respect to plane
+  gp_GTrsf aTrsf1;
+  gp_Ax2 ax2(gp_Pnt(81,280,0),gp_Dir(0,1,0));
+  ratio = 8;
+  aTrsf1.SetAffinity(ax2, ratio);
+  aTrsf.PreMultiply(aTrsf1);
+
+  Handle(AIS_InteractiveObject) aIAx2 = drawSurface(
+    new Geom_RectangularTrimmedSurface(new Geom_Plane(ax2),-100.,100.,-100.,100.),
+    Quantity_NOC_WHITE);
+  if (WAIT_A_LITTLE) return;
+
+  aNewShape = GTransform(aShape, aTrsf);
+
+  if (aNewShape.IsNull())
+  {
+    aText += EOL "Error: transformation failure" EOL;
+    setResultText(aText.ToCString());
+    return;
+  }
+  oldObj = aIShape;
+  aIShape = drawShape (aNewShape);
+  getAISContext()->Erase(oldObj);
+  if (WAIT_A_SECOND) return;
+  getAISContext()->Erase(aIAx2);
+}