SoStyleCache.cc

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#ifdef G4VIS_BUILD_OI_DRIVER

/*----------------------------HEPVis----------------------------------------*/
/*                                                                          */
/* Node:             SoStyleCache                                           */
/* Author:           Guy Barrand                                            */
/*                                                                          */
/*--------------------------------------------------------------------------*/

// this :
#include <HEPVis/misc/SoStyleCache.h>

#include <Inventor/nodes/SoMaterial.h>
#include <Inventor/nodes/SoDrawStyle.h>
#include <Inventor/nodes/SoLightModel.h>
#include <Inventor/nodes/SoResetTransform.h>

SoStyleCache::SoStyleCache(
) 
:fMaterials(0)
,fLineStyles(0)
,fLightModels(0)
,fResetTransform(0)
{
  fMaterials = new SoGroup;
  addChild(fMaterials);
  fLineStyles = new SoGroup;
  addChild(fLineStyles);
  fLightModels = new SoGroup;
  addChild(fLightModels);
  fResetTransform = new SoResetTransform;
  addChild(fResetTransform);
}
SoStyleCache::~SoStyleCache(
) 
{
}
SoMaterial* SoStyleCache::getMaterial(
 const SbColor& aRGB
,float aTransparency
) 
{
  int number = fMaterials->getNumChildren();
  for(int index=0;index<number;index++) { 
    SoMaterial* material = (SoMaterial*)fMaterials->getChild(index);
    if( (material->diffuseColor[0]==aRGB) &&
        (material->transparency[0]==aTransparency) ) {
      return material;
    }
  }
  SoMaterial* material = new SoMaterial;
  material->diffuseColor.setValue(aRGB);
  material->transparency.setValue(aTransparency);
  fMaterials->addChild(material);
  return material;
}
SoMaterial* SoStyleCache::getMaterial(
 float aRed
,float aGreen
,float aBlue
,float aTransparency
) 
{
  SbColor aRGB(aRed,aGreen,aBlue);
  int number = fMaterials->getNumChildren();
  for(int index=0;index<number;index++) { 
    SoMaterial* material = (SoMaterial*)fMaterials->getChild(index);
    if( (material->diffuseColor[0]==aRGB) &&
        (material->transparency[0]==aTransparency) ) {
      return material;
    }
  }
  SoMaterial* material = new SoMaterial;
  material->diffuseColor.setValue(aRGB);
  material->transparency.setValue(aTransparency);
  fMaterials->addChild(material);
  return material;
}
/*
SoDrawStyle* SoStyleCache::getLineStyle(
 SbLineStyle aStyle
,float aWidth
) 
{
  unsigned short pattern = 0xFFFF;
  switch(aStyle) {
  case SbLineDashed:
    pattern = 0x00FF;
    break;
  case SbLineDotted:
    pattern = 0x0101;
    break;
  case SbLineDashDotted:
    pattern = 0x1C47;
    break;
  default: //SbLineSolid:
    pattern = 0xFFFF;
    break;
  }
  int number = fLineStyles->getNumChildren();
  for(int index=0;index<number;index++) { 
    SoDrawStyle* drawStyle = (SoDrawStyle*)fLineStyles->getChild(index);
    if( (drawStyle->style.getValue()==SoDrawStyle::LINES) &&
        (drawStyle->lineWidth.getValue()==aWidth) &&
        (drawStyle->linePattern.getValue()==pattern) ) {
      return drawStyle;
    }
  }
  SoDrawStyle* drawStyle = new SoDrawStyle;
  drawStyle->style.setValue(SoDrawStyle::LINES);
  drawStyle->lineWidth.setValue(aWidth);
  drawStyle->linePattern.setValue(pattern);
  fLineStyles->addChild(drawStyle);
  return drawStyle;
}
*/
SoDrawStyle* SoStyleCache::getLineStyle(
 unsigned short aPattern
,float aWidth
) 
{
  int number = fLineStyles->getNumChildren();
  for(int index=0;index<number;index++) { 
    SoDrawStyle* drawStyle = (SoDrawStyle*)fLineStyles->getChild(index);
    if( (drawStyle->style.getValue()==SoDrawStyle::LINES) &&
        (drawStyle->lineWidth.getValue()==aWidth) &&
        (drawStyle->linePattern.getValue()==aPattern) ) {
      return drawStyle;
    }
  }
  SoDrawStyle* drawStyle = new SoDrawStyle;
  drawStyle->style.setValue(SoDrawStyle::LINES);
  drawStyle->lineWidth.setValue(aWidth);
  drawStyle->linePattern.setValue(aPattern);
  fLineStyles->addChild(drawStyle);
  return drawStyle;
}
SoLightModel* SoStyleCache::getLightModelPhong(
) 
{
  SoLightModel* lightModel = new SoLightModel;
  lightModel->model.setValue(SoLightModel::PHONG);
  fLightModels->addChild(lightModel);
  return lightModel;
}
SoLightModel* SoStyleCache::getLightModelBaseColor(
) 
{
  SoLightModel* lightModel = new SoLightModel;
  lightModel->model.setValue(SoLightModel::BASE_COLOR);
  fLightModels->addChild(lightModel);
  return lightModel;
}
SoResetTransform* SoStyleCache::getResetTransform(
) 
{
  return fResetTransform;
}

#endif