0029076: Visualization - implement element shrinking Shader

[occt.git] / src / Graphic3d / Graphic3d_AspectFillArea3d.cxx

// Created by: NW,JPB,CAL
// Copyright (c) 1991-1999 Matra Datavision
// Copyright (c) 1999-2014 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 <Graphic3d_AspectFillArea3d.hxx>

IMPLEMENT_STANDARD_RTTIEXT(Graphic3d_AspectFillArea3d, Standard_Transient)

// =======================================================================
// function : Graphic3d_AspectFillArea3d
// purpose  :
// =======================================================================
Graphic3d_AspectFillArea3d::Graphic3d_AspectFillArea3d()
: myInteriorColor       (Quantity_NOC_CYAN1),
  myBackInteriorColor   (Quantity_NOC_CYAN1),
  myEdgeColor           (Quantity_NOC_WHITE),
  myInteriorStyle       (Aspect_IS_EMPTY),
  myShadingModel        (Graphic3d_TOSM_DEFAULT),
  myAlphaMode           (Graphic3d_AlphaMode_BlendAuto),
  myAlphaCutoff         (0.5f),
  myEdgeType            (Aspect_TOL_SOLID),
  myEdgeWidth           (1.0f),
  myHatchStyle          (Handle(Graphic3d_HatchStyle)()),
  myToSkipFirstEdge     (false),
  myToDistinguishMaterials (false),
  myToDrawEdges         (false),
  myToSuppressBackFaces (true),
  myToMapTexture        (false)
{
  //
}

// =======================================================================
// function : Graphic3d_AspectFillArea3d
// purpose  :
// =======================================================================
Graphic3d_AspectFillArea3d::Graphic3d_AspectFillArea3d (const Aspect_InteriorStyle theInteriorStyle,
                                                        const Quantity_Color&      theInteriorColor,
                                                        const Quantity_Color&      theEdgeColor,
                                                        const Aspect_TypeOfLine    theEdgeLineType,
                                                        const Standard_Real        theEdgeLineWidth,
                                                        const Graphic3d_MaterialAspect& theFrontMaterial,
                                                        const Graphic3d_MaterialAspect& theBackMaterial)
: myFrontMaterial       (theFrontMaterial),
  myBackMaterial        (theBackMaterial),
  myInteriorColor       (theInteriorColor),
  myBackInteriorColor   (theInteriorColor),
  myEdgeColor           (theEdgeColor),
  myInteriorStyle       (theInteriorStyle),
  myShadingModel        (Graphic3d_TOSM_DEFAULT),
  myAlphaMode           (Graphic3d_AlphaMode_BlendAuto),
  myAlphaCutoff         (0.5f),
  myEdgeType            (theEdgeLineType),
  myEdgeWidth           ((float )theEdgeLineWidth),
  myHatchStyle          (Handle(Graphic3d_HatchStyle)()),
  myToSkipFirstEdge     (false),
  myToDistinguishMaterials (false),
  myToDrawEdges         (false),
  myToSuppressBackFaces (true),
  myToMapTexture        (false)
{
  if (theEdgeLineWidth <= 0.0)
  {
    throw Aspect_AspectFillAreaDefinitionError("Bad value for EdgeLineWidth");
  }
}

// =======================================================================
// function : Graphic3d_AspectFillArea3d
// purpose  :
// =======================================================================
void Graphic3d_AspectFillArea3d::SetTextureMap (const Handle(Graphic3d_TextureMap)& theTexture)
{
  if (theTexture.IsNull())
  {
    myTextureSet.Nullify();
    return;
  }

  myTextureSet = new Graphic3d_TextureSet (theTexture);
}