SoText3.h

/*=======================================================================
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**=======================================================================*/
/*=======================================================================
** Author      : SGI (MMM YYYY)
**=======================================================================*/
/*=======================================================================
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**=======================================================================*/
/*=======================================================================
** Modified by : Nicolas DAGUISE (Oct 2004)
**=======================================================================*/
 
 
#ifndef  _SO_TEXT_3_
#define  _SO_TEXT_3_
 
#include <Inventor/SbBox.h>
#include <Inventor/fields/SoMFString.h>
#include <Inventor/fields/SoSFBitMask.h>
#include <Inventor/fields/SoSFFloat.h>
#include <Inventor/fields/SoMFVec3f.h>
#include <Inventor/nodes/SoShape.h>
 
class SoAnnoText3;
class SoAsciiText;
 
SO_PIMPL_PUBLIC_DECLARATION( SoText3 );

class  SoText3 : public SoShape {
 
  SO_PIMPL_PUBLIC_HEADER( SoText3 );
 
  SO_NODE_HEADER(SoText3);
 
 public:
  enum Justification {
    LEFT   = 0x01,
    CENTER = 0x03,
    RIGHT  = 0x02,
    INHERITED = 0x04
  };

  enum Part {
    FRONT = 0x01,
    SIDES = 0x02,
    BACK  = 0x04,
    ALL   = 0x07
  };
 
  // Fields
  SoMFString string;

  SoSFFloat spacing;

  SoSFBitMask parts;

  SoSFEnum justification;

  SoText3();
 
 private:

  SbBox3f getCharacterBounds(SoState* state, int stringIndex, int charIndex);
 
  virtual void GLRender(SoGLRenderAction* action);
  virtual void rayPick(SoRayPickAction* action);
  virtual void getPrimitiveCount(SoGetPrimitiveCountAction* action);
  
  virtual void computeBBox(SoAction* action, SbBox3f& box, SbVec3f& center);
 
  // Creates a text detail when picking:
  SoDetail* createTriangleDetail( SoRayPickAction*,
                                  const SoPrimitiveVertex*,
                                  const SoPrimitiveVertex*,
                                  const SoPrimitiveVertex*,
                                  SoPickedPoint* );
 
private:
  static void initClass();
  static void exitClass();
 
  void setAsciiText(SoAsciiText*);
  SoAsciiText* getAsciiText() const;
  virtual void notify(SoNotList* list);
 
private:
    
  virtual ~SoText3();

  virtual SbBool shouldGLRender(SoGLRenderAction* action, SbBool isPointsOrLines = FALSE);

  virtual void generatePrimitives(SoAction* );
 
  friend class SoAnnoText3;
  friend class SoAsciiText;
 
private:
  void commonConstructor();
};
 
#endif // _SO_TEXT_3_
 
/**/