Inventor/nodes/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>
#include <Inventor/STL/map>

class SoFontServer;
class TextBBoxCache;
class SbBox3f;
class SoAnnoText3;
class SoAsciiText;
class SoVRMLText;
struct Pid_primitive_data;

class  SoText3 : public SoShape {

  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 notify(SoNotList *list);
  virtual void rayPick(SoRayPickAction *action);
  virtual void getPrimitiveCount(SoGetPrimitiveCountAction *action);
  
  virtual void computeBBox(SoAction *action, SbBox3f &box, SbVec3f &center);

private:
  static void initClass();
  static void exitClass();

  void addFontCache(void *fontCache);
  void removeFontCache(void *fontCache);
  int getNumFontCache();
  void* getFontCache(int i);

  void setAsciiText(SoAsciiText*);
  SoAsciiText* getAsciiText();
  void setVRMLText(SoVRMLText*);
  SoVRMLText* getVRMLText();

private:
    
  virtual ~SoText3();

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

  virtual void generatePrimitives(SoAction *);

  friend class SoAnnoText3;
  friend class SoAsciiText;
  friend class SoVRMLText;

private:

  SoFontServer* m_fontServer;
  SbPList* m_fontBaseList;

  // Creates a text detail when picking:
  SoDetail* createTriangleDetail(SoRayPickAction *, const SoPrimitiveVertex *, const SoPrimitiveVertex *, const SoPrimitiveVertex *, SoPickedPoint *);

// KANJI and wide character stroke fonts

  SbBool m_isMultiByteStroke;
  float kanjiHeight;
  Pid_primitive_data *m_primitive_data;
  int m_num_prim;
 
  SbVec2f getMultiByteStrokeStringOffset(SoState* state, int line);
  void renderMultiByteStroke(SoGLRenderAction *action, int line);
  void renderMultiByteStrokeFont(SoGLRenderAction *action);
  void getMultiByteStrokeBBox(SoAction *action, SbBox2f &result);
  void getMultiByteStrokeFont(int kfont);
  SbBool setupFontMultiByteStroke(SoState *state, SbBool forRender);
  void kanjiSetupCharacters(int line, int *numChar);
  SbBool kanjiCheck();
  SbBool areISOLatinCharsUsed() const;
  void freeMultiByteStroke();
  void generateMultiByteStrokePrimitives(SoAction *);

  void getMultiByteStrokeVertices(SoAction *action, int line,
                                  std::vector<SbVec2f>& vertices,
                                  std::vector<unsigned int>& verticesPerLine);

  void renderMultiByteStroke(SoGLRenderAction *action,
                             std::vector<SbVec2f>& vertices,
                             std::vector<unsigned int>& verticesPerLine);

  SoAsciiText* m_asciiText;
  SoVRMLText* m_VRMLText;

  static bool s_isolatin_stroke_font;
};

#endif // _SO_TEXT_3_

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Open Inventor Toolkit reference manual, generated on 12 Feb 2024
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