-// File: OpenGl_View.cxx
-// Created: 20 September 2011
-// Author: Sergey ZERCHANINOV
-// Copyright: OPEN CASCADE 2011
-
+// Created on: 2011-09-20
+// Created by: Sergey ZERCHANINOV
+// Copyright (c) 2011-2014 OPEN CASCADE SAS
+//
+// This file is part of Open CASCADE Technology software library.
+//
+// This library is free software; you can redistribute it and/or modify it under
+// the terms of the GNU Lesser General Public License version 2.1 as published
+// by the Free Software Foundation, with special exception defined in the file
+// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
+// distribution for complete text of the license and disclaimer of any warranty.
+//
+// Alternatively, this file may be used under the terms of Open CASCADE
+// commercial license or contractual agreement.
+
+#include <NCollection_Mat4.hxx>
+
+#include <OpenGl_Context.hxx>
#include <OpenGl_GlCore11.hxx>
-
-#include <OpenGl_View.hxx>
-
-#include <OpenGl_Workspace.hxx>
-#include <OpenGl_Display.hxx>
-
-#include <OpenGl_Display.hxx>
-#include <OpenGl_Trihedron.hxx>
#include <OpenGl_GraduatedTrihedron.hxx>
-
+#include <OpenGl_GraphicDriver.hxx>
+#include <OpenGl_ShaderManager.hxx>
+#include <OpenGl_Texture.hxx>
+#include <OpenGl_Trihedron.hxx>
#include <OpenGl_transform_persistence.hxx>
+#include <OpenGl_View.hxx>
+#include <OpenGl_Utils.hxx>
+#include <OpenGl_Workspace.hxx>
-#include <GL/glu.h> // gluUnProject()
+#include <Graphic3d_TextureEnv.hxx>
+#include <Graphic3d_Mat4d.hxx>
IMPLEMENT_STANDARD_HANDLE(OpenGl_View,MMgt_TShared)
IMPLEMENT_STANDARD_RTTIEXT(OpenGl_View,MMgt_TShared)
/*----------------------------------------------------------------------*/
-static const OPENGL_BG_TEXTURE myDefaultBgTexture = { 0, 0, 0, Aspect_FM_CENTERED };
-static const OPENGL_BG_GRADIENT myDefaultBgGradient = { {{ 0.F, 0.F, 0.F, 1.F }}, {{ 0.F, 0.F, 0.F, 1.F }}, Aspect_GFM_NONE };
static const Tmatrix3 myDefaultMatrix = { { 1.F, 0.F, 0.F, 0.F }, { 0.F, 1.F, 0.F, 0.F }, { 0.F, 0.F, 1.F, 0.F }, { 0.F, 0.F, 0.F, 1.F } };
static const OPENGL_ZCLIP myDefaultZClip = { { Standard_True, 0.F }, { Standard_True, 1.F } };
-static const OPENGL_EXTRA_REP myDefaultExtra =
-{
- //vrp
- { 0.F, 0.F, 0.F },
- //vpn
- { 0.F, 0.F, 1.F },
- //vup
- { 0.F, 1.F, 0.F },
- //map
- {
- //window
- { 0.F, 0.F, 1.F, 1.F },
- //viewport
- { 0.F, 0.F, 0.F, 1.F, 1.F, 1.F },
- //proj
- TelParallel,
- //prp
- { 0.F, 0.F, 0.F },
- //vpd
- 0.F,
- //fpd
- 0.F,
- //bpd
- -1.F
- },
- //scaleFactors
- { 1.F, 1.F, 1.F }
-};
static const OPENGL_FOG myDefaultFog = { Standard_False, 0.F, 1.F, { { 0.F, 0.F, 0.F, 1.F } } };
static const TEL_TRANSFORM_PERSISTENCE myDefaultTransPers = { 0, 0.F, 0.F, 0.F };
+static const GLdouble THE_IDENTITY_MATRIX[4][4] =
+{
+ {1.0, 0.0, 0.0, 0.0},
+ {0.0, 1.0, 0.0, 0.0},
+ {0.0, 0.0, 1.0, 0.0},
+ {0.0, 0.0, 0.0, 1.0}
+};
/*----------------------------------------------------------------------*/
-OpenGl_View::OpenGl_View (const CALL_DEF_VIEWCONTEXT &AContext)
-: myTextureEnv(0),
- mySurfaceDetail(Visual3d_TOD_NONE),
+OpenGl_View::OpenGl_View (const CALL_DEF_VIEWCONTEXT &AContext,
+ OpenGl_StateCounter* theCounter)
+: mySurfaceDetail(Visual3d_TOD_ALL),
myBackfacing(0),
- myBgTexture(myDefaultBgTexture),
- myBgGradient(myDefaultBgGradient),
- //myOrientationMatrix(myDefaultMatrix),
- //myMappingMatrix(myDefaultMatrix),
//shield_indicator = TOn,
//shield_colour = { { 0.F, 0.F, 0.F, 1.F } },
//border_indicator = TOff,
//border_colour = { { 0.F, 0.F, 0.F, 1.F } },
//active_status = TOn,
myZClip(myDefaultZClip),
- myExtra(myDefaultExtra),
+ myCamera(AContext.Camera),
myFog(myDefaultFog),
+ myTrihedron(NULL),
+ myGraduatedTrihedron(NULL),
myVisualization(AContext.Visualization),
- myIntShadingMethod(TEL_SM_GOURAUD),
+ myShadingModel ((Visual3d_TypeOfModel )AContext.Model),
myAntiAliasing(Standard_False),
- myAnimationListIndex(0),
- myAnimationListReady(Standard_False),
myTransPers(&myDefaultTransPers),
myIsTransPers(Standard_False),
- myResetFLIST(Standard_False)
-{
- // Initialize matrices
- memcpy(myOrientationMatrix,myDefaultMatrix,sizeof(Tmatrix3));
- memcpy(myMappingMatrix,myDefaultMatrix,sizeof(Tmatrix3));
-
- // Shading method
- switch (AContext.Model)
- {
- case 1 : /* VISUAL3D_TOM_INTERP_COLOR */
- case 3 : /* VISUAL3D_TOM_VERTEX */
- myIntShadingMethod = TEL_SM_GOURAUD;
- break;
- default :
- myIntShadingMethod = TEL_SM_FLAT;
- break;
- }
-}
-
-/*----------------------------------------------------------------------*/
-
-OpenGl_View::~OpenGl_View ()
+ myProjectionState (0),
+ myModelViewState (0),
+ myStateCounter (theCounter),
+ myLastLightSourceState (0, 0),
+ myModificationState (1), // initial state
+ myTextureParams (new OpenGl_AspectFace()),
+ myBgGradientArray (new OpenGl_BackgroundArray (Graphic3d_TOB_GRADIENT)),
+ myBgTextureArray (new OpenGl_BackgroundArray (Graphic3d_TOB_TEXTURE))
{
- if (myAnimationListIndex)
- glDeleteLists((GLuint)myAnimationListIndex,1);
-
- if ( myBgTexture.TexId != 0 )
- glDeleteTextures( 1, (GLuint*)&(myBgTexture.TexId) );
+ myCurrLightSourceState = myStateCounter->Increment();
}
/*----------------------------------------------------------------------*/
-void OpenGl_View::SetBackfacing (const Standard_Integer AMode)
+OpenGl_View::~OpenGl_View()
{
- myBackfacing = AMode;
- myResetFLIST = Standard_True;
+ ReleaseGlResources (NULL); // ensure ReleaseGlResources() was called within valid context
+ OpenGl_Element::Destroy (NULL, myTrihedron);
+ OpenGl_Element::Destroy (NULL, myGraduatedTrihedron);
+ OpenGl_Element::Destroy (NULL, myBgGradientArray);
+ OpenGl_Element::Destroy (NULL, myBgTextureArray);
+ OpenGl_Element::Destroy (NULL, myTextureParams);
}
-/*----------------------------------------------------------------------*/
-
-//call_togl_setlight
-void OpenGl_View::SetLights (const CALL_DEF_VIEWCONTEXT &AContext)
+void OpenGl_View::ReleaseGlResources (const Handle(OpenGl_Context)& theCtx)
{
- myLights.Clear();
-
- const int nb_lights = AContext.NbActiveLight;
-
- int i = 0;
- const CALL_DEF_LIGHT *alight = &(AContext.ActiveLight[0]);
- for ( ; i < nb_lights; i++, alight++ )
+ if (myTrihedron != NULL)
{
- OpenGl_Light rep;
-
- switch( alight->LightType )
- {
- case 0 : /* TOLS_AMBIENT */
- rep.type = TLightAmbient;
- rep.col.rgb[0] = alight->Color.r;
- rep.col.rgb[1] = alight->Color.g;
- rep.col.rgb[2] = alight->Color.b;
- break;
-
- case 1 : /* TOLS_DIRECTIONAL */
- rep.type = TLightDirectional;
- rep.col.rgb[0] = alight->Color.r;
- rep.col.rgb[1] = alight->Color.g;
- rep.col.rgb[2] = alight->Color.b;
- rep.dir[0] = alight->Direction.x;
- rep.dir[1] = alight->Direction.y;
- rep.dir[2] = alight->Direction.z;
- break;
-
- case 2 : /* TOLS_POSITIONAL */
- rep.type = TLightPositional;
- rep.col.rgb[0] = alight->Color.r;
- rep.col.rgb[1] = alight->Color.g;
- rep.col.rgb[2] = alight->Color.b;
- rep.pos[0] = alight->Position.x;
- rep.pos[1] = alight->Position.y;
- rep.pos[2] = alight->Position.z;
- rep.atten[0] = alight->Attenuation[0];
- rep.atten[1] = alight->Attenuation[1];
- break;
-
- case 3 : /* TOLS_SPOT */
- rep.type = TLightSpot;
- rep.col.rgb[0] = alight->Color.r;
- rep.col.rgb[1] = alight->Color.g;
- rep.col.rgb[2] = alight->Color.b;
- rep.pos[0] = alight->Position.x;
- rep.pos[1] = alight->Position.y;
- rep.pos[2] = alight->Position.z;
- rep.dir[0] = alight->Direction.x;
- rep.dir[1] = alight->Direction.y;
- rep.dir[2] = alight->Direction.z;
- rep.shine = alight->Concentration;
- rep.atten[0] = alight->Attenuation[0];
- rep.atten[1] = alight->Attenuation[1];
- rep.angle = alight->Angle;
- break;
- }
-
- rep.HeadLight = alight->Headlight;
-
- myLights.Append(rep);
+ myTrihedron->Release (theCtx.operator->());
}
-}
-
-/*----------------------------------------------------------------------*/
-
-//call_togl_setplane
-void OpenGl_View::SetClippingPlanes (const CALL_DEF_VIEWCONTEXT &AContext)
-{
- // clear clipping planes information
- myClippingPlanes.Clear();
- // update information
- int i = 0;
- for (; i < AContext.NbActivePlane; i++)
+ if (myGraduatedTrihedron != NULL)
{
- const CALL_DEF_PLANE &aCPlane = AContext.ActivePlane[i];
- if ( aCPlane.Active && aCPlane.PlaneId > 0 )
- {
- OPENGL_CLIP_REP aPlane;
- aPlane.equation[0] = aCPlane.CoefA;
- aPlane.equation[1] = aCPlane.CoefB;
- aPlane.equation[2] = aCPlane.CoefC;
- aPlane.equation[3] = aCPlane.CoefD;
- myClippingPlanes.Append( aPlane );
- }
+ myGraduatedTrihedron->Release (theCtx.operator->());
}
-}
-/*----------------------------------------------------------------------*/
-
-//call_togl_setvisualisation
-void OpenGl_View::SetVisualisation (const CALL_DEF_VIEWCONTEXT &AContext)
-{
- myVisualization = AContext.Visualization;
- // Shading method
- switch (AContext.Model)
+ if (!myTextureEnv.IsNull())
{
- case 1 : /* VISUAL3D_TOM_INTERP_COLOR */
- case 3 : /* VISUAL3D_TOM_VERTEX */
- myIntShadingMethod = TEL_SM_GOURAUD;
- break;
- default :
- myIntShadingMethod = TEL_SM_FLAT;
- break;
+ theCtx->DelayedRelease (myTextureEnv);
+ myTextureEnv.Nullify();
}
-}
-
-/*----------------------------------------------------------------------*/
-//call_togl_cliplimit
-void OpenGl_View::SetClipLimit (const CALL_DEF_VIEW &ACView)
-{
- myZClip.Back.Limit =
- ( ACView.Context.ZClipBackPlane - ACView.Mapping.BackPlaneDistance ) /
- ( ACView.Mapping.FrontPlaneDistance - ACView.Mapping.BackPlaneDistance );
- myZClip.Front.Limit =
- ( ACView.Context.ZClipFrontPlane - ACView.Mapping.BackPlaneDistance ) /
- ( ACView.Mapping.FrontPlaneDistance - ACView.Mapping.BackPlaneDistance );
- if ( myZClip.Back.Limit < 0.F )
- myZClip.Back.Limit = 0.F;
- if ( myZClip.Front.Limit > 1.F )
- myZClip.Front.Limit = 1.F;
- if ( myZClip.Back.Limit > myZClip.Front.Limit )
+ if (myTextureParams != NULL)
{
- myZClip.Back.Limit = 0.F;
- myZClip.Front.Limit = 1.F;
+ myTextureParams->Release (theCtx.operator->());
+ }
+ if (myBgGradientArray != NULL)
+ {
+ myBgGradientArray->Release (theCtx.operator->());
+ }
+ if (myBgTextureArray != NULL)
+ {
+ myBgTextureArray->Release (theCtx.operator->());
}
-
- myZClip.Back.IsOn = (ACView.Context.BackZClipping != 0);
- myZClip.Front.IsOn = (ACView.Context.FrontZClipping != 0);
}
-/*----------------------------------------------------------------------*/
-
-//call_togl_viewmapping
-void OpenGl_View::SetMapping (const CALL_DEF_VIEW &ACView)
+void OpenGl_View::SetTextureEnv (const Handle(OpenGl_Context)& theCtx,
+ const Handle(Graphic3d_TextureEnv)& theTexture)
{
- const float ratio = ACView.DefWindow.dy / ACView.DefWindow.dx;
- const float r_ratio = ACView.DefWindow.dx / ACView.DefWindow.dy;
-
- TEL_VIEW_MAPPING Map;
-
- Map.window.xmin = ACView.Mapping.WindowLimit.um;
- Map.window.ymin = ACView.Mapping.WindowLimit.vm;
- Map.window.xmax = ACView.Mapping.WindowLimit.uM;
- Map.window.ymax = ACView.Mapping.WindowLimit.vM;
-
- Map.viewport.xmin = 0.F;
- Map.viewport.xmax = ( 1.F < r_ratio ? 1.F : r_ratio );
- Map.viewport.ymin = 0.F;
- Map.viewport.ymax = ( 1.F < ratio ? 1.F : ratio );
- Map.viewport.zmin = 0.F;
- Map.viewport.zmax = 1.F;
+ if (!myTextureEnv.IsNull())
+ {
+ theCtx->DelayedRelease (myTextureEnv);
+ myTextureEnv.Nullify();
+ }
- /* projection type */
- switch( ACView.Mapping.Projection )
+ if (theTexture.IsNull())
{
- case 0 :
- Map.proj = TelPerspective;
- break;
- case 1 :
- Map.proj = TelParallel;
- break;
+ return;
}
- /* projection reference point */
- Map.prp[0] = ACView.Mapping.ProjectionReferencePoint.x;
- Map.prp[1] = ACView.Mapping.ProjectionReferencePoint.y;
- Map.prp[2] = ACView.Mapping.ProjectionReferencePoint.z;
- if (!openglDisplay.IsNull() && !openglDisplay->Walkthrough())
- Map.prp[2] += ACView.Mapping.FrontPlaneDistance;
+ myTextureEnv = new OpenGl_Texture (theTexture->GetParams());
+ Handle(Image_PixMap) anImage = theTexture->GetImage();
+ if (!anImage.IsNull())
+ myTextureEnv->Init (theCtx, *anImage.operator->(), theTexture->Type());
- /* view plane distance */
- Map.vpd = ACView.Mapping.ViewPlaneDistance;
+ myModificationState++;
+}
- /* back plane distance */
- Map.bpd = ACView.Mapping.BackPlaneDistance;
+void OpenGl_View::SetSurfaceDetail (const Visual3d_TypeOfSurfaceDetail theMode)
+{
+ mySurfaceDetail = theMode;
- /* front plane distance */
- Map.fpd = ACView.Mapping.FrontPlaneDistance;
+ myModificationState++;
+}
- Tint err_ind = 0;
+// =======================================================================
+// function : SetBackfacing
+// purpose :
+// =======================================================================
+void OpenGl_View::SetBackfacing (const Standard_Integer theMode)
+{
+ myBackfacing = theMode;
+}
- /* use user-defined matrix */
- if ( ACView.Mapping.IsCustomMatrix )
+// =======================================================================
+// function : SetLights
+// purpose :
+// =======================================================================
+void OpenGl_View::SetLights (const CALL_DEF_VIEWCONTEXT& theViewCtx)
+{
+ myLights.Clear();
+ for (Standard_Integer aLightIt = 0; aLightIt < theViewCtx.NbActiveLight; ++aLightIt)
{
- int i, j;
- for( i = 0; i < 4; i++ )
- for( j = 0; j < 4; j++ )
- myMappingMatrix[i][j] = ACView.Mapping.ProjectionMatrix[i][j];
+ myLights.Append (theViewCtx.ActiveLight[aLightIt]);
}
- else
- TelEvalViewMappingMatrix( &Map, &err_ind, myMappingMatrix );
-
- if ( !err_ind )
- myExtra.map = Map;
+ myCurrLightSourceState = myStateCounter->Increment();
}
/*----------------------------------------------------------------------*/
-//call_togl_vieworientation
-void OpenGl_View::SetOrientation (const CALL_DEF_VIEW &ACView)
+//call_togl_setvisualisation
+void OpenGl_View::SetVisualisation (const CALL_DEF_VIEWCONTEXT &AContext)
{
- Tfloat Vrp[3];
- Tfloat Vpn[3];
- Tfloat Vup[3];
- Tfloat ScaleFactors[3];
-
- Vrp[0] = ACView.Orientation.ViewReferencePoint.x;
- Vrp[1] = ACView.Orientation.ViewReferencePoint.y;
- Vrp[2] = ACView.Orientation.ViewReferencePoint.z;
-
- Vpn[0] = ACView.Orientation.ViewReferencePlane.x;
- Vpn[1] = ACView.Orientation.ViewReferencePlane.y;
- Vpn[2] = ACView.Orientation.ViewReferencePlane.z;
-
- Vup[0] = ACView.Orientation.ViewReferenceUp.x;
- Vup[1] = ACView.Orientation.ViewReferenceUp.y;
- Vup[2] = ACView.Orientation.ViewReferenceUp.z;
-
- ScaleFactors[0] = ACView.Orientation.ViewScaleX;
- ScaleFactors[1] = ACView.Orientation.ViewScaleY;
- ScaleFactors[2] = ACView.Orientation.ViewScaleZ;
-
- Tint err_ind = 0;
-
- // use user-defined matrix
- if ( ACView.Orientation.IsCustomMatrix )
- {
- int i, j;
- for( i = 0; i < 4; i++ )
- for( j = 0; j < 4; j++ )
- myOrientationMatrix[i][j] = ACView.Orientation.ModelViewMatrix[i][j];
- }
- else
- TelEvalViewOrientationMatrix( Vrp, Vpn, Vup, ScaleFactors, &err_ind, myOrientationMatrix );
-
- if ( !err_ind )
- {
- myExtra.vrp[0] = Vrp[0];
- myExtra.vrp[1] = Vrp[1];
- myExtra.vrp[2] = Vrp[2];
+ myVisualization = AContext.Visualization;
+ myShadingModel = (Visual3d_TypeOfModel )AContext.Model;
+}
- myExtra.vpn[0] = Vpn[0];
- myExtra.vpn[1] = Vpn[1];
- myExtra.vpn[2] = Vpn[2];
+/*----------------------------------------------------------------------*/
- myExtra.vup[0] = Vup[0];
- myExtra.vup[1] = Vup[1];
- myExtra.vup[2] = Vup[2];
+//call_togl_cliplimit
+void OpenGl_View::SetClipLimit (const Graphic3d_CView& theCView)
+{
+ myZClip.Back.Limit = theCView.Context.ZClipBackPlane;
+ myZClip.Front.Limit = theCView.Context.ZClipFrontPlane;
- myExtra.scaleFactors[0] = ScaleFactors[0],
- myExtra.scaleFactors[1] = ScaleFactors[1],
- myExtra.scaleFactors[2] = ScaleFactors[2];
- }
+ myZClip.Back.IsOn = (theCView.Context.BackZClipping != 0);
+ myZClip.Front.IsOn = (theCView.Context.FrontZClipping != 0);
}
/*----------------------------------------------------------------------*/
-void OpenGl_View::SetFog (const CALL_DEF_VIEW &ACView, const Standard_Boolean AFlag)
+void OpenGl_View::SetFog (const Graphic3d_CView& theCView,
+ const Standard_Boolean theFlag)
{
- if( !AFlag )
+ if (!theFlag)
{
myFog.IsOn = Standard_False;
}
{
myFog.IsOn = Standard_True;
- myFog.Front =
- (ACView.Context.DepthFrontPlane - ACView.Mapping.BackPlaneDistance) /
- (ACView.Mapping.FrontPlaneDistance - ACView.Mapping.BackPlaneDistance);
-
- myFog.Back =
- (ACView.Context.DepthBackPlane - ACView.Mapping.BackPlaneDistance) /
- (ACView.Mapping.FrontPlaneDistance - ACView.Mapping.BackPlaneDistance);
+ myFog.Front = theCView.Context.DepthFrontPlane;
+ myFog.Back = theCView.Context.DepthBackPlane;
- if (myFog.Front < 0.F)
- myFog.Front = 0.F;
- else if (myFog.Front > 1.F)
- myFog.Front = 1.F;
-
- if (myFog.Back < 0.F)
- myFog.Back = 0.F;
- else if (myFog.Back > 1.F)
- myFog.Back = 1.F;
-
- if (myFog.Back > myFog.Front)
- {
- myFog.Front = 1.F;
- myFog.Back = 0.F;
- }
-
- myFog.Color.rgb[0] = ACView.DefWindow.Background.r;
- myFog.Color.rgb[1] = ACView.DefWindow.Background.g;
- myFog.Color.rgb[2] = ACView.DefWindow.Background.b;
- myFog.Color.rgb[3] = 1.F;
+ myFog.Color.rgb[0] = theCView.DefWindow.Background.r;
+ myFog.Color.rgb[1] = theCView.DefWindow.Background.g;
+ myFog.Color.rgb[2] = theCView.DefWindow.Background.b;
+ myFog.Color.rgb[3] = 1.0f;
}
}
/*----------------------------------------------------------------------*/
-void OpenGl_View::TriedronDisplay (const Aspect_TypeOfTriedronPosition APosition, const Quantity_NameOfColor AColor,
- const Standard_Real AScale, const Standard_Boolean AsWireframe)
+void OpenGl_View::TriedronDisplay (const Handle(OpenGl_Context)& theCtx,
+ const Aspect_TypeOfTriedronPosition thePosition,
+ const Quantity_NameOfColor theColor,
+ const Standard_Real theScale,
+ const Standard_Boolean theAsWireframe)
{
- myTrihedron = new OpenGl_Trihedron (APosition, AColor, AScale, AsWireframe);
+ OpenGl_Element::Destroy (theCtx.operator->(), myTrihedron);
+ myTrihedron = new OpenGl_Trihedron (thePosition, theColor, theScale, theAsWireframe);
}
/*----------------------------------------------------------------------*/
-void OpenGl_View::TriedronErase ()
+void OpenGl_View::TriedronErase (const Handle(OpenGl_Context)& theCtx)
{
- myTrihedron.Nullify();
+ OpenGl_Element::Destroy (theCtx.operator->(), myTrihedron);
}
/*----------------------------------------------------------------------*/
-void OpenGl_View::GraduatedTrihedronDisplay (const Graphic3d_CGraduatedTrihedron &data)
+void OpenGl_View::GraduatedTrihedronDisplay (const Handle(OpenGl_Context)& theCtx,
+ const Graphic3d_CGraduatedTrihedron& theData)
{
- myGraduatedTrihedron = new OpenGl_GraduatedTrihedron(data);
+ OpenGl_Element::Destroy (theCtx.operator->(), myGraduatedTrihedron);
+ myGraduatedTrihedron = new OpenGl_GraduatedTrihedron (theData);
}
/*----------------------------------------------------------------------*/
-void OpenGl_View::GraduatedTrihedronErase ()
+void OpenGl_View::GraduatedTrihedronErase (const Handle(OpenGl_Context)& theCtx)
{
- myGraduatedTrihedron.Nullify();
+ OpenGl_Element::Destroy (theCtx.operator->(), myGraduatedTrihedron);
}
/*----------------------------------------------------------------------*/
//transform_persistence_end
-void OpenGl_View::EndTransformPersistence ()
+void OpenGl_View::EndTransformPersistence(const Handle(OpenGl_Context)& theCtx)
{
- if ( myIsTransPers )
+ if (myIsTransPers)
{
- /* restore matrix */
- glMatrixMode (GL_PROJECTION);
- glPopMatrix ();
- glMatrixMode (GL_MODELVIEW);
- glPopMatrix ();
+ theCtx->WorldViewState.Pop();
+ theCtx->ProjectionState.Pop();
+
+ theCtx->ApplyProjectionMatrix();
+
myIsTransPers = Standard_False;
}
-}
+}
/*----------------------------------------------------------------------*/
//transform_persistence_begin
-const TEL_TRANSFORM_PERSISTENCE * OpenGl_View::BeginTransformPersistence (const TEL_TRANSFORM_PERSISTENCE *ATransPers)
+const TEL_TRANSFORM_PERSISTENCE* OpenGl_View::BeginTransformPersistence (const Handle(OpenGl_Context)& theCtx,
+ const TEL_TRANSFORM_PERSISTENCE* theTransPers)
{
- const TEL_TRANSFORM_PERSISTENCE *TransPers_old = myTransPers;
-
- if ( ATransPers->mode == 0 )
+ const TEL_TRANSFORM_PERSISTENCE* aTransPersPrev = myTransPers;
+ myTransPers = theTransPers;
+ if (theTransPers->mode == 0)
{
- EndTransformPersistence();
- return TransPers_old;
+ EndTransformPersistence (theCtx);
+ return aTransPersPrev;
}
- myTransPers = ATransPers;
-
- GLint viewport[4];
- glGetIntegerv (GL_VIEWPORT, viewport);
- GLdouble modelMatrix[4][4];
- glGetDoublev( GL_MODELVIEW_MATRIX, (GLdouble *) modelMatrix );
- GLdouble projMatrix[4][4];
- glGetDoublev( GL_PROJECTION_MATRIX, (GLdouble *) projMatrix );
-
- double W = viewport[2];
- double H = viewport[3];
+ GLint aViewport[4];
+ OpenGl_Mat4d aModelMatrix, aProjMatrix;
+ theCtx->core11fwd->glGetIntegerv (GL_VIEWPORT, aViewport);
+ aModelMatrix.Convert (theCtx->ModelWorldState.Current() * theCtx->WorldViewState.Current());
+ aProjMatrix .Convert (theCtx->ProjectionState.Current());
- if ( myIsTransPers )
+ const GLdouble aViewportW = (GLdouble )aViewport[2];
+ const GLdouble aViewportH = (GLdouble )aViewport[3];
+ if (myIsTransPers)
{
- /* restore matrix */
- glMatrixMode (GL_PROJECTION);
- glPopMatrix ();
- glMatrixMode (GL_MODELVIEW);
- glPopMatrix ();
+ // pop matrix stack - it will be overridden later
+ theCtx->WorldViewState.Pop();
+ theCtx->ProjectionState.Pop();
}
else
+ {
myIsTransPers = Standard_True;
+ }
- glMatrixMode( GL_MODELVIEW );
- glPushMatrix();
- glLoadIdentity();
-
- glMatrixMode( GL_PROJECTION );
- glPushMatrix();
- glLoadIdentity();
+ // push matrices into stack and reset them
+ theCtx->WorldViewState.Push();
+ theCtx->ProjectionState.Push();
- /*pre loading matrix*/
- if( ATransPers->mode & TPF_PAN )
- /* Annulate translate matrix */
+ // get the window's (fixed) coordinates for theTransPers->point before matrixes modifications
+ GLdouble aWinX = 0.0, aWinY = 0.0, aWinZ = 0.0;
+ if ((theTransPers->mode & TPF_PAN) != TPF_PAN)
{
- modelMatrix[3][0] = 0.;
- modelMatrix[3][1] = 0.;
- modelMatrix[3][2] = 0.;
- projMatrix[3][0] = 0.;
- projMatrix[3][1] = 0.;
- projMatrix[3][2] = 0.;
+ OpenGl_Utils::Project<Standard_Real> (theTransPers->pointX,
+ theTransPers->pointY,
+ theTransPers->pointZ,
+ aModelMatrix,
+ aProjMatrix,
+ aViewport,
+ aWinX,
+ aWinY,
+ aWinZ);
}
- if( ATransPers->mode & TPF_ZOOM )
- /* Annulate zoom matrix */
+ // prevent zooming
+ if ((theTransPers->mode & TPF_ZOOM)
+ || (theTransPers->mode == TPF_TRIEDRON))
{
- const double scaleX = myExtra.scaleFactors[0];
- const double scaleY = myExtra.scaleFactors[1];
- const double scaleZ = myExtra.scaleFactors[2];
-
- for (int i = 0; i < 3; ++i)
- {
- modelMatrix[0][i] /= scaleX;
- modelMatrix[1][i] /= scaleY;
- modelMatrix[2][i] /= scaleZ;
- }
-
- const double det2 = 0.002 / ( W > H ? projMatrix[1][1] : projMatrix[0][0]);
- projMatrix[0][0] *= det2;
- projMatrix[1][1] *= det2;
+ // compute fixed-zoom multiplier
+ // actually function works ugly with TelPerspective!
+ const GLdouble aDet2 = 0.002 / (aViewportW > aViewportH ? aProjMatrix.GetValue (1, 1) : aProjMatrix.GetValue (0, 0));
+ aProjMatrix.ChangeValue (0, 0) *= aDet2;
+ aProjMatrix.ChangeValue (1, 1) *= aDet2;
+ aProjMatrix.ChangeValue (2, 2) *= aDet2;
}
- if( ATransPers->mode & TPF_ROTATE )
- /* Annulate rotate matrix */
+ // prevent translation - annulate translate matrix
+ if ((theTransPers->mode & TPF_PAN)
+ || (theTransPers->mode == TPF_TRIEDRON))
{
- modelMatrix[0][0] = 1.;
- modelMatrix[1][1] = 1.;
- modelMatrix[2][2] = 1.;
-
- modelMatrix[1][0] = 0.;
- modelMatrix[2][0] = 0.;
- modelMatrix[0][1] = 0.;
- modelMatrix[2][1] = 0.;
- modelMatrix[0][2] = 0.;
- modelMatrix[1][2] = 0.;
+ aModelMatrix.SetValue (0, 3, 0.0);
+ aModelMatrix.SetValue (1, 3, 0.0);
+ aModelMatrix.SetValue (2, 3, 0.0);
+ aProjMatrix .SetValue (0, 3, 0.0);
+ aProjMatrix .SetValue (1, 3, 0.0);
+ aProjMatrix .SetValue (2, 3, 0.0);
}
- else if( ATransPers->mode & TPF_RELATIVE_ROTATE )
- /* Initialize relative rotate matrix*/
- {
- modelMatrix[3][0] = 0.;
- modelMatrix[3][1] = 0.;
- modelMatrix[3][2] = 0.;
- glMatrixMode( GL_MODELVIEW );
- glLoadIdentity();
- glTranslated( ATransPers->pointX, ATransPers->pointY, ATransPers->pointZ );
+ // prevent scaling-on-axis
+ if (theTransPers->mode & TPF_ZOOM)
+ {
+ const gp_Pnt anAxialScale = myCamera->AxialScale();
+ const double aScaleX = anAxialScale.X();
+ const double aScaleY = anAxialScale.Y();
+ const double aScaleZ = anAxialScale.Z();
+ for (int i = 0; i < 3; ++i)
+ {
+ aModelMatrix.ChangeValue (0, i) /= aScaleX;
+ aModelMatrix.ChangeValue (1, i) /= aScaleY;
+ aModelMatrix.ChangeValue (2, i) /= aScaleZ;
+ }
}
- if( ATransPers->mode == TPF_TRIEDRON )
+ // prevent rotating - annulate rotate matrix
+ if (theTransPers->mode & TPF_ROTATE)
{
- /* Annulate translation matrix */
- modelMatrix[3][0] = 0.;
- modelMatrix[3][1] = 0.;
- modelMatrix[3][2] = 0.;
-
- projMatrix[3][0] = 0.;
- projMatrix[3][1] = 0.;
- projMatrix[3][2] = 0.;
-
- const double det2 = 0.002 / ( W > H ? projMatrix[1][1] : projMatrix[0][0]);
- projMatrix[0][0] *= det2;
- projMatrix[1][1] *= det2;
+ aModelMatrix.SetValue (0, 0, 1.0);
+ aModelMatrix.SetValue (1, 1, 1.0);
+ aModelMatrix.SetValue (2, 2, 1.0);
+
+ aModelMatrix.SetValue (1, 0, 0.0);
+ aModelMatrix.SetValue (2, 0, 0.0);
+ aModelMatrix.SetValue (0, 1, 0.0);
+ aModelMatrix.SetValue (2, 1, 0.0);
+ aModelMatrix.SetValue (0, 2, 0.0);
+ aModelMatrix.SetValue (1, 2, 0.0);
}
- /* load matrix */
- glMatrixMode (GL_MODELVIEW);
- glMultMatrixd ((GLdouble *) modelMatrix);
-
- glMatrixMode (GL_PROJECTION);
- glMultMatrixd ((GLdouble *) projMatrix);
+ // load computed matrices
+ theCtx->ModelWorldState.SetIdentity();
+ theCtx->WorldViewState.SetCurrent<Standard_Real> (aModelMatrix);
+ theCtx->ProjectionState.SetCurrent<Standard_Real> (aProjMatrix);
- /*post loading matrix*/
- if( ATransPers->mode == TPF_TRIEDRON )
+ if (theTransPers->mode == TPF_TRIEDRON)
{
- glMatrixMode( GL_PROJECTION );
-
- double winx, winy, winz;
- const GLdouble idenMatrix[4][4] = { {1.,0.,0.,0.}, {0.,1.,0.,0.}, {0.,0.,1.,0.}, {0.,0.,0.,1.} };
-
- gluUnProject( W/2., H/2., 0., (GLdouble*)idenMatrix, (GLdouble*)projMatrix, (GLint*)viewport, &winx, &winy, &winz);
- double W1, H1;
- W1 = winx;
- H1 = winy;
- gluUnProject( -W/2., -H/2., 0., (GLdouble*)idenMatrix, (GLdouble*)projMatrix, (GLint*)viewport, &winx, &winy, &winz);
- double W2, H2;
- W2 = winx;
- H2 = winy;
-
- if( ATransPers->pointX == 0. && ATransPers->pointY == 0. )
- {
- /*center*/
- }
- else if( ATransPers->pointX > 0. && ATransPers->pointY > 0. )
- {
- /*right upper*/
- glTranslated( 0.5*(W1 - W2 - ATransPers->pointZ), 0.5*(H1 - H2 - ATransPers->pointZ), 0. );
- }
- else if( ATransPers->pointX > 0. && ATransPers->pointY < 0. )
- {
- /*right lower*/
- glTranslated( 0.5*(W1 - W2 - ATransPers->pointZ), 0.5*(H2 - H1 + ATransPers->pointZ), 0. );
- }
- else if( ATransPers->pointX < 0. && ATransPers->pointY > 0. )
+ // move to the window corner
+ if (theTransPers->pointX != 0.0
+ && theTransPers->pointY != 0.0)
{
- /*left upper*/
- glTranslated( 0.5*(W2 - W1 + ATransPers->pointZ), 0.5*(H1 - H2 - ATransPers->pointZ), 0. );
- }
- else if( ATransPers->pointX < 0 && ATransPers->pointY < 0 )
- {
- /*left lower*/
- glTranslated( -(W1 - W2)/2. + ATransPers->pointZ/2., -(H1-H2)/2. + ATransPers->pointZ/2., 0. );
+ GLdouble aW1, aH1, aW2, aH2, aDummy;
+
+ OpenGl_Mat4d anIdentity;
+
+ OpenGl_Utils::UnProject<Standard_Real> (0.5 * aViewportW,
+ 0.5 * aViewportH,
+ 0.0,
+ anIdentity,
+ aProjMatrix,
+ aViewport,
+ aW1,
+ aH1,
+ aDummy);
+
+ OpenGl_Utils::UnProject<Standard_Real> (-0.5 * aViewportW,
+ -0.5 * aViewportH,
+ 0.0,
+ anIdentity,
+ aProjMatrix,
+ aViewport,
+ aW2,
+ aH2,
+ aDummy);
+
+ GLdouble aMoveX = 0.5 * (aW1 - aW2 - theTransPers->pointZ);
+ GLdouble aMoveY = 0.5 * (aH1 - aH2 - theTransPers->pointZ);
+ aMoveX = (theTransPers->pointX > 0.0) ? aMoveX : -aMoveX;
+ aMoveY = (theTransPers->pointY > 0.0) ? aMoveY : -aMoveY;
+
+ OpenGl_Utils::Translate<Standard_Real> (aProjMatrix, aMoveX, aMoveY, 0.0);
+ theCtx->ProjectionState.SetCurrent<Standard_Real> (aProjMatrix);
}
}
+ else if ((theTransPers->mode & TPF_PAN) != TPF_PAN)
+ {
+ // move to thePoint using saved win-coordinates ('marker-behaviour')
+ GLdouble aMoveX, aMoveY, aMoveZ;
+
+ OpenGl_Utils::UnProject<Standard_Real> (aWinX,
+ aWinY,
+ aWinZ,
+ aModelMatrix,
+ aProjMatrix,
+ aViewport,
+ aMoveX,
+ aMoveY,
+ aMoveZ);
+
+ OpenGl_Utils::Translate<Standard_Real> (aModelMatrix, aMoveX, aMoveY, aMoveZ);
+ theCtx->WorldViewState.SetCurrent<Standard_Real> (aModelMatrix);
+ }
- return TransPers_old;
+ theCtx->ApplyProjectionMatrix();
+ return aTransPersPrev;
}
/*----------------------------------------------------------------------*/
+
+void OpenGl_View::GetMatrices (OpenGl_Mat4& theOrientation,
+ OpenGl_Mat4& theViewMapping) const
+{
+ theViewMapping = myCamera->ProjectionMatrixF();
+ theOrientation = myCamera->OrientationMatrixF();
+}
+/*----------------------------------------------------------------------*/