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occt/samples/mfc/standard/04_Viewer3d/src/TexturesExt_Presentation.cpp

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// TexturesExt_Presentation.cpp: implementation of the TexturesExt_Presentation class.
// Creation of textural presentation of shape
//////////////////////////////////////////////////////////////////////
#include "stdafx.h"
#include "TexturesExt_Presentation.h"
#include "Viewer3dApp.h"
#include <TopExp.hxx>
#include <TopTools_IndexedMapOfShape.hxx>
#include <BRepBuilderAPI_MakeFace.hxx>
#include <AIS_TexturedShape.hxx>
#include <BRepTools.hxx>
#include <Graphic3d_Texture2D.hxx>
#include <BRep_Tool.hxx>
#include <TopoDS.hxx>
#include <BRepBuilderAPI_Transform.hxx>
#include <BRep_Builder.hxx>
#include <BRepTools.hxx>
#include <Geom_Surface.hxx>
#include <TopoDS_Face.hxx>
#include <V3d_DirectionalLight.hxx>
#define DISP(OBJ) getAISContext()->Display((OBJ), Standard_False)
// Initialization of global variable with an instance of this class
OCCDemo_Presentation* OCCDemo_Presentation::Current = new TexturesExt_Presentation;
// Initialization of array of samples
const TexturesExt_Presentation::PSampleFuncType TexturesExt_Presentation::SampleFuncs[] =
{
&TexturesExt_Presentation::sampleBottle,
&TexturesExt_Presentation::sampleTerrain,
&TexturesExt_Presentation::sampleKitchen
};
#ifdef WNT
#define EOL "\r\n"
#else
#define EOL "\n"
#endif
#define ZVIEW_SIZE 100
//////////////////////////////////////////////////////////////////////
// Construction/Destruction
//////////////////////////////////////////////////////////////////////
TexturesExt_Presentation::TexturesExt_Presentation()
{
myNbSamples = sizeof(SampleFuncs)/sizeof(PSampleFuncType);
setName ("Textured Shapes");
}
//////////////////////////////////////////////////////////////////////
// Sample execution
//////////////////////////////////////////////////////////////////////
void TexturesExt_Presentation::DoSample()
{
((CViewer3dApp*) AfxGetApp())->SetSampleName("Viewer3d");
((CViewer3dApp*) AfxGetApp())->SetSamplePath("..\\..\\04_Viewer3d");
getAISContext()->EraseAll();
if (myIndex >=0 && myIndex < myNbSamples)
{
// turn lights on for terrain sample
lightsOnOff(myIndex==1);
(this->*SampleFuncs[myIndex])();
}
}
void TexturesExt_Presentation::Init()
{
// initialize v3d_view so it displays TexturesExt well
getViewer()->InitActiveViews();
Handle_V3d_View aView = getViewer()->ActiveView();
aView->SetSurfaceDetail(V3d_TEX_ALL);
aView->SetSize(ZVIEW_SIZE);
// getDocument()->UpdateResultMessageDlg("Textured Shape",
TCollection_AsciiString Message ("Textured Shape",
" TopoDS_Shape aShape;" EOL
"" EOL
" // initialize aShape" EOL
" // aShape = ..." EOL
"" EOL
" // create a textured presentation object for aShape" EOL
" Handle_AIS_TexturedShape aTShape = new AIS_TexturedShape(aShape);" EOL
"" EOL
" TCollection_AsciiString aTFileName;" EOL
"" EOL
" // initialize aTFileName with an existing texture file name" EOL
" // (gif, bmp, xwd, rgb, and other formats are supported)" EOL
" // OR with an integer value string (max = Graphic3d_Texture2D::NumberOfTexturesExt())" EOL
" // which will indicate use of predefined texture of this number" EOL
" // aTFileName = ..." EOL
"" EOL
" aTShape->SetTextureFileName(aTFileName);" EOL
"" EOL
" // do other initialization of AIS_TexturedShape" EOL
" Standard_Real nRepeat;" EOL
" Standard_Boolean toRepeat;" EOL
" Standard_Boolean toScale;" EOL
" // initialize aRepeat, toRepeat, toScale ..." EOL
"" EOL
" aTShape->SetTextureMapOn();" EOL
" aTShape->SetTextureRepeat(toRepeat, nRepeat, nRepeat);" EOL
" aTShape->SetTexturesExtcale(toScale);" EOL
" " EOL
" // mode 3 is \"textured\" mode of AIS_TexturedShape, " EOL
" // other modes will display the \"normal\", non-textured shape," EOL
" // in wireframe(1) or shaded(2) modes correspondingly" EOL
" aTShape->SetDisplayMode(3); " EOL
"" EOL
" // V3d_TEX_ALL constant must be set as surface detail" EOL
" // for current view to see AIS_TexturedShape" EOL
" myCurrentView->SetSurfaceDetail(V3d_TEX_ALL);" EOL);
// CString text(Message.ToCString());
getDocument()->ClearDialog();
getDocument()->SetDialogTitle("Change face color");
getDocument()->AddTextInDialog(Message);
}
//////////////////////////////////////////////////////////////////////
// Sample functions
//////////////////////////////////////////////////////////////////////
//================================================================
// Function : TexturesExt_Presentation::Texturize
// display an AIS_TexturedShape based on a given shape with texture with given filename
// filename can also be an integer value ("2", "5", etc.), in this case
// a predefined texture from Graphic3d_NameOfTexture2D with number = this value
// is loaded.
//================================================================
Handle_AIS_TexturedShape TexturesExt_Presentation::Texturize(const TopoDS_Shape& aShape,
TCollection_AsciiString aTFileName,
Standard_Real toScaleU,
Standard_Real toScaleV,
Standard_Real toRepeatU,
Standard_Real toRepeatV,
Standard_Real originU,
Standard_Real originV)
{
// create a textured presentation object for aShape
Handle_AIS_TexturedShape aTShape = new AIS_TexturedShape(aShape);
TCollection_AsciiString TFileName;
// load texture from file if it is not an integer value
// integer value indicates a number of texture in predefined TexturesExt enumeration
CString initfile(((OCC_BaseApp*) AfxGetApp())->GetInitDataDir());
initfile += "\\Data\\";
if (!aTFileName.IsIntegerValue())
{
initfile += aTFileName.ToCString();
}
aTShape->SetTextureFileName((Standard_CString)(LPCTSTR)initfile);
// do other initialization of AIS_TexturedShape
aTShape->SetTextureMapOn();
aTShape->SetTextureScale(Standard_True, toScaleU, toScaleV);
aTShape->SetTextureRepeat(Standard_True, toRepeatU, toRepeatV);
aTShape->SetTextureOrigin(Standard_True, originU, originV);
aTShape->SetDisplayMode(3); // mode 3 is "textured" mode
return aTShape;
}
//================================================================
// Function : TexturesExt_Presentation::loadShape
// loads a shape from a given brep file from data dir into a given TopoDS_Shape object
//================================================================
Standard_Boolean TexturesExt_Presentation::loadShape(TopoDS_Shape& aShape,
TCollection_AsciiString aFileName)
{
// create a TopoDS_Shape -> read from a brep file
CString initfile(((OCC_BaseApp*) AfxGetApp())->GetInitDataDir());
initfile += "\\Data\\";
initfile += aFileName.ToCString();
TCollection_AsciiString Path((Standard_CString)(LPCTSTR)initfile);
BRep_Builder aBld;
//Standard_Boolean isRead = BRepTools::Read (aShape, aPath.ToCString(), aBld);
//if (!isRead)
// isRead = BRepTools::Read (aShape, bPath.ToCString(), aBld);
Standard_Boolean isRead = BRepTools::Read (aShape, Path.ToCString(), aBld);
if (!isRead)
{
Path += " was not found. The sample can not be shown.";
getDocument()->UpdateResultMessageDlg("Textured Shape", Path.ToCString());
return Standard_False;
}
return Standard_True;
}
//================================================================
// Function : lightsOnOff
// Purpose : 6 lights are used for a brighter demonstration of textured shapes
// call lightsOnOff(false) before showing normal shape
// call lightsOnOff(true) before showing textured shape
//================================================================
void TexturesExt_Presentation::lightsOnOff(Standard_Boolean isOn)
{
static Handle_V3d_Light aLight1 = new V3d_DirectionalLight(getViewer(), V3d_XnegYposZneg);
static Handle_V3d_Light aLight2 = new V3d_DirectionalLight(getViewer(), V3d_XnegYnegZpos);
static Handle_V3d_Light aLight3 = new V3d_DirectionalLight(getViewer(), V3d_XposYnegZpos);
static Handle_V3d_Light aLight4 = new V3d_DirectionalLight(getViewer(), V3d_XnegYnegZneg);
static Handle_V3d_Light aLight5 = new V3d_DirectionalLight(getViewer(), V3d_XnegYposZpos);
static Handle_V3d_Light aLight6 = new V3d_DirectionalLight(getViewer(), V3d_XposYposZpos);
if (isOn)
{
getViewer()->SetLightOn(aLight1);
getViewer()->SetLightOn(aLight2);
getViewer()->SetLightOn(aLight3);
getViewer()->SetLightOn(aLight4);
getViewer()->SetLightOn(aLight5);
getViewer()->SetLightOn(aLight6);
}
else
{
getViewer()->SetLightOff(aLight1);
getViewer()->SetLightOff(aLight2);
getViewer()->SetLightOff(aLight3);
getViewer()->SetLightOff(aLight4);
getViewer()->SetLightOff(aLight5);
getViewer()->SetLightOff(aLight6);
}
}
//================================================================
// Function : TexturesExt_Presentation::sampleBottle
// Purpose :
//================================================================
void TexturesExt_Presentation::sampleBottle()
{
TopoDS_Shape aShape;
if (!loadShape(aShape, "bottle.brep"))
return;
// resize and move the shape to the center of the viewer
gp_Trsf aTrsf1, aTrsf2;
aTrsf1.SetScale(gp_Pnt(0,0,0), 0.8);
aTrsf2.SetTranslation(gp_Pnt(0,0,0),gp_Pnt(0,0,-20));
aTrsf1.Multiply(aTrsf2);
BRepBuilderAPI_Transform Transformer(aTrsf1);
Transformer.Perform(aShape);
aShape = Transformer.Shape();
TopTools_IndexedMapOfShape aFaces;
TopExp::MapShapes(aShape, TopAbs_FACE, aFaces);
// display original shape in shaded display mode
Handle_AIS_Shape aShapeIO = drawShape(aShape, Graphic3d_NOM_BRASS, Standard_False);
getAISContext()->SetDisplayMode(aShapeIO, AIS_Shaded, Standard_False);
// Set increased polygon offset for the main shape to avoid depth collision with textured faces
aShapeIO->SetPolygonOffsets(Aspect_POM_Fill, 1.5, 0.5);
DISP(aShapeIO);
Handle_AIS_TexturedShape aTFace1 = Texturize(aFaces(16), "carrelage1.gif", 1, 1, 3, 2);
DISP(aTFace1);
Handle_AIS_TexturedShape aTFace2 = Texturize(aFaces(21), "carrelage1.gif", 1, 1, 3, 2);
DISP(aTFace2);
getViewer()->Update();
}
//================================================================
// Function : TexturesExt_Presentation::sampleLand
// Purpose :
//================================================================
void TexturesExt_Presentation::sampleTerrain()
{
TopoDS_Shape aShape;
if (!loadShape(aShape, "terrain.brep"))
return;
// a part of the landscape is textured
TopTools_IndexedMapOfShape aFaces;
TopExp::MapShapes(aShape, TopAbs_FACE, aFaces);
// TopLoc_Location aLoc;
// Handle_Geom_Surface aSur = BRep_Tool::Surface(TopoDS::Face(aFaces(1)), aLoc);
// Standard_Real u1,u2,v1,v2;
// aSur->Bounds(u1,u2,v1,v2);
// gp_Pnt aPnt = aSur->Value(u1, v1);
gp_Pnt aPnt(82100,80300,10940);// point at u1,v1
// resize and move the shape to the center of the viewer
gp_Trsf aMoveTrsf;
gp_Ax3 New(gp_Pnt(-30,-30, 0),gp_Dir(0,0,1));
gp_Ax3 Current(aPnt,gp_Dir(0,0,1));
aMoveTrsf.SetDisplacement(Current, New);
gp_Trsf aScaleTrsf;
aScaleTrsf.SetScale(aPnt,0.0075);
BRepBuilderAPI_Transform aTransform(aMoveTrsf*aScaleTrsf);
aTransform.Perform(aFaces(1));
aShape = aTransform;
getAISContext()->Display(Texturize(aShape, "terrain.gif"));
}
//================================================================
// Function : moveScale
// Purpose : move a shape a little left and scale it to 15%.
//================================================================
static void moveScale(TopoDS_Shape& aShape)
{
gp_Trsf aMoveTrsf;
gp_Ax3 New(gp_Pnt(-30,-30, -10),gp_Dir(0,0,1));
gp_Ax3 Current(gp_Pnt(0,0,0),gp_Dir(0,0,1));
aMoveTrsf.SetDisplacement(Current, New);
gp_Trsf aScaleTrsf;
aScaleTrsf.SetScale(gp_Pnt(0,0,0),0.15);
BRepBuilderAPI_Transform aTransform(aMoveTrsf*aScaleTrsf);
aTransform.Perform(aShape);
aShape = aTransform;
}
//================================================================
// Function : TexturesExt_Presentation::sampleKitchen
// Purpose : kitchen with texturized items in it.
//================================================================
void TexturesExt_Presentation::sampleKitchen()
{
TopoDS_Shape aShape;
if (!loadShape(aShape, "Kitchen\\Room.brep"))
return;
gp_Trsf aTrsf;
gp_Ax3 NewCoordSystem (gp_Pnt(-1,-1, -1),gp_Dir(0,0,1));
gp_Ax3 CurrentCoordSystem(gp_Pnt(0,0,0),gp_Dir(0,0,1));
aTrsf.SetDisplacement(CurrentCoordSystem, NewCoordSystem);
aShape.Location(TopLoc_Location(aTrsf));
moveScale(aShape);
// draw kitchen room whithout one wall (to better see the insides)
TopTools_IndexedMapOfShape aFaces;
TopExp::MapShapes(aShape, TopAbs_FACE, aFaces);
Standard_Integer nbFaces = aFaces.Extent();
// create a wooden kitchen floor
// the floor's face will be textured with texture from chataignier.gif
DISP(Texturize(aFaces(5),"plancher.gif",1,1,2,1));
// texturize other faces of the room with texture from wallpaper.gif (walls)
DISP(Texturize(aFaces(1),"wallpaper.gif",1,1,8,6));
DISP(Texturize(aFaces(3),"wallpaper.gif",1,1,8,6));
DISP(Texturize(aFaces(4),"wallpaper.gif",1,1,8,6));
// DISP(drawShape(aFaces(1), Quantity_NOC_LIGHTPINK, Standard_False));
// DISP(drawShape(aFaces(3), Quantity_NOC_LIGHTPINK, Standard_False));
// DISP(drawShape(aFaces(4), Quantity_NOC_LIGHTPINK, Standard_False));
// texturize furniture items with "wooden" texture
if (loadShape(aShape, "Kitchen\\MODERN_Table_1.brep"))
{
moveScale(aShape);
DISP(Texturize(aShape, "chataignier.gif"));
}
if (loadShape(aShape, "Kitchen\\MODERN_Chair_1.brep"))
{
moveScale(aShape);
DISP(Texturize(aShape, "chataignier.gif"));
}
if (loadShape(aShape, "Kitchen\\MODERN_Cooker_1.brep"))
{
moveScale(aShape);
aFaces.Clear();
TopExp::MapShapes(aShape, TopAbs_FACE, aFaces);
nbFaces = aFaces.Extent();
for (Standard_Integer i = 1; i <= nbFaces; i++)
{
if (i >= 59)
DISP(drawShape(aFaces(i), Graphic3d_NOM_STEEL, Standard_False));
else if (i >= 29)
DISP(drawShape(aFaces(i), Graphic3d_NOM_ALUMINIUM, Standard_False));
else if (i == 28)
DISP(Texturize(aFaces(i), "cookerplate.gif"));
else
DISP(Texturize(aFaces(i), "chataignier.gif"));
}
}
if (loadShape(aShape, "Kitchen\\MODERN_Cooker_1_opened.brep"))
{
moveScale(aShape);
DISP(Texturize(aShape, "chataignier.gif"));
}
if (loadShape(aShape, "Kitchen\\MODERN_Exhaust_1.brep"))
{
moveScale(aShape);
DISP(drawShape(aShape, Graphic3d_NOM_STONE, Standard_False));
}
if (loadShape(aShape, "Kitchen\\MODERN_MVCooker_1.brep"))
{
moveScale(aShape);
DISP(drawShape(aShape, Graphic3d_NOM_SILVER, Standard_False));
}
if (loadShape(aShape, "Kitchen\\MODERN_MVCooker_1_opened.brep"))
{
moveScale(aShape);
DISP(drawShape(aShape, Graphic3d_NOM_SILVER, Standard_False));
}
if (loadShape(aShape, "Kitchen\\MODERN_Sink_1.brep"))
{
moveScale(aShape);
aFaces.Clear();
TopExp::MapShapes(aShape, TopAbs_FACE, aFaces);
nbFaces = aFaces.Extent();
for (Standard_Integer i = 1; i <= nbFaces; i++)
{
if (i < 145)
DISP(drawShape(aFaces(i), Graphic3d_NOM_ALUMINIUM, Standard_False));
else if (i == 145)
DISP(Texturize(aFaces(i), "cookerplate.gif"));
else
DISP(Texturize(aFaces(i), "chataignier.gif"));
}
}
if (loadShape(aShape, "Kitchen\\MODERN_Sink_1_opened.brep"))
{
moveScale(aShape);
DISP(Texturize(aShape, "chataignier.gif"));
}
if (loadShape(aShape, "Kitchen\\MODERN_Refrigerator_1.brep"))
{
moveScale(aShape);
DISP(drawShape(aShape, Graphic3d_NOM_CHROME, Standard_False));
}
if (loadShape(aShape, "Kitchen\\MODERN_Refrigerator_1_opened.brep"))
{
moveScale(aShape);
DISP(drawShape(aShape, Graphic3d_NOM_CHROME, Standard_False));
}
getViewer()->Update();
}
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