1 // File: OpenGl_GraphicDriver_9.cxx
2 // Created: 20 October 2011
3 // Author: Sergey ZERCHANINOV
4 // Copyright: OPEN CASCADE 2011
6 #include <OpenGl_GraphicDriver.hxx>
7 #include <OpenGl_CView.hxx>
8 #include <OpenGl_Trihedron.hxx>
9 #include <OpenGl_GraduatedTrihedron.hxx>
10 #include <OpenGl_TextureBox.hxx>
11 #include <OpenGl_tgl_funcs.hxx>
13 #include <Quantity_NameOfColor.hxx>
14 #include <TColStd_HArray1OfReal.hxx>
15 #include <AlienImage_AlienImage.hxx>
16 #include <Image_Image.hxx>
18 void OpenGl_GraphicDriver::Environment(const Graphic3d_CView& ACView)
20 const OpenGl_CView *aCView = (const OpenGl_CView *)ACView.ptrView;
23 aCView->View->SetTextureEnv(ACView.Context.TexEnvId);
24 aCView->View->SetSurfaceDetail((Visual3d_TypeOfSurfaceDetail)ACView.Context.SurfaceDetail);
29 // Triedron methods : the Triedron is a non-zoomable object.
32 void OpenGl_GraphicDriver::ZBufferTriedronSetup (
33 const Quantity_NameOfColor XColor,
34 const Quantity_NameOfColor YColor,
35 const Quantity_NameOfColor ZColor,
36 const Standard_Real SizeRatio,
37 const Standard_Real AxisDiametr,
38 const Standard_Integer NbFacettes)
40 OpenGl_Trihedron::Setup(XColor,YColor,ZColor,SizeRatio,AxisDiametr,NbFacettes);
43 void OpenGl_GraphicDriver::TriedronDisplay (
44 const Graphic3d_CView& ACView,
45 const Aspect_TypeOfTriedronPosition APosition,
46 const Quantity_NameOfColor AColor,
47 const Standard_Real AScale,
48 const Standard_Boolean AsWireframe )
50 const OpenGl_CView *aCView = (const OpenGl_CView *)ACView.ptrView;
53 aCView->View->TriedronDisplay(APosition, AColor, AScale, AsWireframe);
54 aCView->WS->Invalidate();
58 void OpenGl_GraphicDriver::TriedronErase (const Graphic3d_CView& ACView)
60 const OpenGl_CView *aCView = (const OpenGl_CView *)ACView.ptrView;
63 aCView->View->TriedronErase();
64 aCView->WS->Invalidate();
68 void OpenGl_GraphicDriver::TriedronEcho (const Graphic3d_CView& ACView,const Aspect_TypeOfTriedronEcho AType )
73 void OpenGl_GraphicDriver::BackgroundImage( const Standard_CString FileName,
74 const Graphic3d_CView& ACView,
75 const Aspect_FillMethod FillStyle )
77 const OpenGl_CView *aCView = (const OpenGl_CView *)ACView.ptrView;
80 aCView->View->CreateBackgroundTexture( FileName, FillStyle );
81 aCView->WS->Invalidate();
85 void OpenGl_GraphicDriver::SetBgImageStyle( const Graphic3d_CView& ACView,
86 const Aspect_FillMethod FillStyle )
88 const OpenGl_CView *aCView = (const OpenGl_CView *)ACView.ptrView;
91 aCView->View->SetBackgroundTextureStyle( FillStyle );
92 aCView->WS->Invalidate();
96 void OpenGl_GraphicDriver::SetBgGradientStyle(const Graphic3d_CView& ACView,const Aspect_GradientFillMethod FillType)
98 const OpenGl_CView *aCView = (const OpenGl_CView *)ACView.ptrView;
101 aCView->View->SetBackgroundGradientType(FillType);
102 aCView->WS->Invalidate();
106 void OpenGl_GraphicDriver::GraduatedTrihedronDisplay(const Graphic3d_CView& ACView, const Graphic3d_CGraduatedTrihedron& cubic)
108 const OpenGl_CView *aCView = (const OpenGl_CView *)ACView.ptrView;
111 aCView->View->GraduatedTrihedronDisplay(cubic);
112 aCView->WS->Invalidate();
116 void OpenGl_GraphicDriver::GraduatedTrihedronErase(const Graphic3d_CView& ACView)
118 const OpenGl_CView *aCView = (const OpenGl_CView *)ACView.ptrView;
121 aCView->View->GraduatedTrihedronErase();
122 aCView->WS->Invalidate();
126 void OpenGl_GraphicDriver::GraduatedTrihedronMinMaxValues(const Standard_ShortReal xmin,
127 const Standard_ShortReal ymin,
128 const Standard_ShortReal zmin,
129 const Standard_ShortReal xmax,
130 const Standard_ShortReal ymax,
131 const Standard_ShortReal zmax)
133 OpenGl_GraduatedTrihedron::SetMinMax(xmin, ymin, zmin, xmax, ymax, zmax);
136 // Helper function, returns the nearest power of two greater than the argument value
137 inline Standard_Integer GetNearestPow2(Standard_Integer theValue)
139 // Precaution against overflow
140 Standard_Integer aHalfMax = IntegerLast() >> 1, aRes = 1;
141 if ( theValue > aHalfMax ) theValue = aHalfMax;
142 while ( aRes < theValue ) aRes <<= 1;
146 Standard_Integer OpenGl_GraphicDriver::CreateTexture (const Graphic3d_TypeOfTexture Type,
147 const Handle_AlienImage_AlienImage &Image,
148 const Standard_CString FileName,
149 const Handle(TColStd_HArray1OfReal)& TexUpperBounds) const
151 Handle(Image_Image) MyPic = Image->ToImage();
153 Standard_Integer aGlWidth = (Type == Graphic3d_TOT_2D_MIPMAP) ? MyPic->Width() : GetNearestPow2(MyPic->Width());
154 Standard_Integer aGlHeight = (Type == Graphic3d_TOT_2D_MIPMAP) ? MyPic->Height() : GetNearestPow2(MyPic->Height());
156 TexUpperBounds->SetValue(1, ((Standard_Real) (MyPic->Width())/((Standard_Real) aGlWidth)));
157 TexUpperBounds->SetValue(2, ((Standard_Real) (MyPic->Height())/((Standard_Real) aGlHeight)));
159 unsigned char *MyImageData = (unsigned char *)malloc(aGlWidth*aGlHeight*4);
160 unsigned char *MyData = MyImageData;
163 Quantity_Color MyColor;
165 if (MyImageData == NULL)
168 static Standard_Integer textureRank=0;
169 char textureName[16];
170 Standard_PCharacter fileName = textureName;
171 sprintf(fileName,"Tex%d",++textureRank);
173 for (j = MyPic->Height() - 1; j >= 0; j--)
174 for (i = 0; i < aGlWidth; i++){
175 if (i < MyPic->Width()){
176 MyColor = MyPic->PixelColor(i, j);
177 *MyData++ = (int)(255 * MyColor.Red());
178 *MyData++ = (int)(255 * MyColor.Green());
179 *MyData++ = (int)(255 * MyColor.Blue());
182 *MyData++ = (int)(0);
183 *MyData++ = (int)(0);
184 *MyData++ = (int)(0);
189 // Padding the lower part of the texture with black
190 for (j = aGlHeight - 1; j >= MyPic->Height(); j--)
191 for (i = 0; i < aGlWidth; i++){
192 *MyData++ = (int)(0);
193 *MyData++ = (int)(0);
194 *MyData++ = (int)(0);
201 case Graphic3d_TOT_1D:
202 TexId = call_togl_create_texture(0, aGlWidth, aGlHeight, MyImageData, (Standard_PCharacter)fileName);
205 case Graphic3d_TOT_2D:
206 TexId = call_togl_create_texture(1, aGlWidth, aGlHeight, MyImageData, (Standard_PCharacter)fileName);
209 case Graphic3d_TOT_2D_MIPMAP:
210 TexId = call_togl_create_texture(2, aGlWidth, aGlHeight, MyImageData, (Standard_PCharacter)fileName);
222 void OpenGl_GraphicDriver::DestroyTexture(const Standard_Integer TexId) const
224 call_togl_destroy_texture(TexId);
228 void OpenGl_GraphicDriver::ModifyTexture(const Standard_Integer TexId,const Graphic3d_CInitTexture& AValue) const
230 call_togl_modify_texture(TexId, (CALL_DEF_INIT_TEXTURE *)&AValue);