SoAnnoText3.h

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**=======================================================================*/
/*=======================================================================
** Author      : Nicolas DAGUISE (Oct 2004)
**=======================================================================*/
 
 
 
#ifndef  _SO_ANNOT_TEXT_3_
#define  _SO_ANNOT_TEXT_3_
 
#include <Inventor/fields/SoMFString.h>
#include <Inventor/fields/SoSFEnum.h>
#include <Inventor/fields/SoSFFloat.h>
#include <Inventor/fields/SoSFNode.h>
#include <Inventor/nodes/SoShape.h>
 
class SoText2;
class SoText3;
 
class  SoAnnoText3 : public SoShape {
 
  SO_NODE_HEADER(SoAnnoText3);
  
public:
 
  enum Justification {
    LEFT = 0x01,
    CENTER = 0x03,
    RIGHT = 0x02,
    INHERITED = 0x04
  };
  
  // Fields
  SoMFString string;
 
  SoSFFloat spacing;
 
  SoSFEnum justification;  
  SoSFNode alternateRep;
  
  SoAnnoText3();
  
 private:
 
  // Method to get the bounds of the given character in the given
  // string.  This must be called during the application of an
  // action; use a callbackAction applied to a Path to the text node
  // if you have to (this is really designed to be used in a Text3
  // manipulator, which will have direct access to the state).
  // The bounds are based on the font metric information, not the
  // geometric bounding box of the character.  So, for example,
  // while a space character has an empty bounding box,
  // getCharacterBounds() will return a box as high as the font
  // height, as wide as a space, and as deep as the profile.
  SbBox3f getCharacterBounds(SoState *state,  int stringIndex, int charIndex);
  virtual void GLRender(SoGLRenderAction *action);
  virtual void rayPick(SoRayPickAction *action);
  virtual void write(SoWriteAction *action);
  virtual void getPrimitiveCount(SoGetPrimitiveCountAction *action);
 
  // Computes bounding box of text
  virtual void computeBBox(SoAction *action, SbBox3f &box,  SbVec3f &center);
 
 private:
  static void initClass();
  static void exitClass();
 
  SoSFNode m_text2Rep;
  SoSFNode m_text3Rep;
  
 private:
  
  // Generates primitives
  virtual void generatePrimitives(SoAction *);
  
  virtual ~SoAnnoText3();
  
};
 
#endif // _SO_ANNOT_TEXT_3_