SoGLMultiTextureImageElement.h

#ifndef COIN_SOGLMULTITEXTUREIMAGEELEMENT_H
#define COIN_SOGLMULTITEXTUREIMAGEELEMENT_H
 
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#include <Inventor/elements/SoMultiTextureImageElement.h>
#include <cstdlib>
 
class SoGLImage;
class SoGLDisplayList;
class SoGLMultiTextureImageElementP;
 
class COIN_DLL_API SoGLMultiTextureImageElement : public SoMultiTextureImageElement {
  typedef SoMultiTextureImageElement inherited;
 
  SO_ELEMENT_HEADER(SoGLMultiTextureImageElement);
public:
  static void initClass(void);
protected:
  virtual ~SoGLMultiTextureImageElement();
 
public:
  void init(SoState * state) override;
  void push(SoState * state) override;
  void pop(SoState * state, const SoElement * prevTopElement) override;
 
  static void set(SoState * const state, SoNode * const node,
                  const int unit,
                  SoGLImage * image, const Model model,
                  const SbColor & blendColor);
 
  static void restore(SoState * state, const int unit);
 
  static SoGLImage * get(SoState * state,
                         const int unit,
                         Model & model,
                         SbColor & blendcolor);
 
  class GLUnitData {
  public:
  GLUnitData() : glimage(NULL) {}
  GLUnitData(const GLUnitData & org) : glimage(org.glimage) {}
  GLUnitData & operator=(const GLUnitData & org) = default;
    SoGLImage * glimage;
  };
  
  static SbBool hasTransparency(SoState * state);
  
 protected:
  SbBool hasTransparency(const int unit = 0) const override;
  
private:
  void updateGL(const int unit);
  SoGLMultiTextureImageElementP * pimpl;
 
 public: // Coin-3 support
  
  static void set(SoState * const state, SoNode * const node,
                  SoGLImage * image, const Model model,
                  const SbColor & blendColor) {
    set(state, node, 0, image, model, blendColor);
  }
 
  static SoGLImage * get(SoState * state, Model & model,
                         SbColor & blendcolor) {
    return get(state, 0, model, blendcolor);
  }
  static int32_t getMaxGLTextureSize(void);
};
 
#endif // !COIN_SOGLMULTITEXTUREIMAGEELEMENT_H