SoCSOFillingRenderer.h

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/*************************************************************************************
**
** Copyright 2012, MeVis Medical Solutions AG
**
** The user may use this file in accordance with the license agreement provided with
** the Software or, alternatively, in accordance with the terms contained in a
** written agreement between the user and MeVis Medical Solutions AG.
**
** For further information use the contact form at https://www.mevislab.de/contact
**
**************************************************************************************/
 
#pragma once
 
#include <SoView2DCSOEditor/SoView2DCSOExtensibleEditor/SoCSOGeneralRendererEditorExtension.h>
 
 
struct TessellationCrossingPoint
{
  TessellationCrossingPoint()
  {
    x = y = -1;
  }
  double x,y;
};
 
 
class SoView2DCSOExtensibleEditor;
 
 
enum FillingBlendFunc
{
  ZERO                     = GL_ZERO,
  ONE                      = GL_ONE,
  SRC_COLOR                = GL_SRC_COLOR,
  ONE_MINUS_SRC_COLOR      = GL_ONE_MINUS_SRC_COLOR,
  DST_COLOR                = GL_DST_COLOR,
  ONE_MINUS_DST_COLOR      = GL_ONE_MINUS_DST_COLOR,
  SRC_ALPHA                = GL_SRC_ALPHA,
  ONE_MINUS_SRC_ALPHA      = GL_ONE_MINUS_SRC_ALPHA,
  DST_ALPHA                = GL_DST_ALPHA,
  ONE_MINUS_DST_ALPHA      = GL_ONE_MINUS_DST_ALPHA,
  CONSTANT_COLOR           = GL_CONSTANT_COLOR,
  ONE_MINUS_CONSTANT_COLOR = GL_ONE_MINUS_CONSTANT_COLOR,
  CONSTANT_ALPHA           = GL_CONSTANT_ALPHA,
  ONE_MINUS_CONSTANT_ALPHA = GL_ONE_MINUS_CONSTANT_ALPHA,
  SRC_ALPHA_SATURATE       = GL_SRC_ALPHA_SATURATE
};
 
 
enum HoleCorrectionMode
{
  HoleCorrectionNone = 0,
  HoleCorrectionSingleCSOs,
  HoleCorrectionInGroups,
  HoleCorrectionByEmbedding
};
 
 
class SOCSO_EXPORT SoCSOFillingRenderer : public SoCSOGeneralRendererEditorExtension
{
  SO_NODE_HEADER(SoCSOFillingRenderer);
 
public:
 
  SoCSOFillingRenderer();
  ~SoCSOFillingRenderer() override;
 
  void draw(const CSODrawCSOInfos& csoDrawInfos, const CSODrawView2DInfos& view2DInfos, const std::vector<CSODrawSliceInformation>& sliceInfos, SoView2DCSOExtensibleEditor* editor) override;
 
  void draw(const CSODrawCSOInfos& , const CSODrawView2DInfos& , const CSODrawSliceInformation& , SoView2DCSOExtensibleEditor* ) override {}
 
  static void initClass();
 
  int cursorShape() const override { return SoViewerProxy::DEFAULT_CURSOR; }
 
  bool shouldRenderGeneral(ml::CSO*) const override { return false; }
 
  SoSFTypedEnum <HoleCorrectionMode> holeCorrectionMode;
  SoSFBool onlyFillSelectedCSOs;
 
  SoSFBool useCustomBlendFunction;
  SoSFTypedEnum <FillingBlendFunc> srcBlendFunction;
  SoSFTypedEnum <FillingBlendFunc> dstBlendFunction;
  SoSFColor blendColor;
  SoSFFloat blendAlpha;
 
protected:
 
private:
  void getVisibleCSOs(const CSODrawCSOInfos& csoDrawInfos, const CSODrawView2DInfos& view2DInfos, const std::vector<CSODrawSliceInformation>& sliceInfos, std::vector < unsigned int >& visibleCSOIds);
  void getGroupedCSOs(ml::CSOList* csoList, const std::vector <unsigned int>& visibleCSOIds, std::map < unsigned int, std::vector <std::pair <double, unsigned int> > >& groupedCSOs);
  void deleteAdditionalVertices();
};