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SoGlyph.h
00001 #ifndef COIN_SOGLYPH_H
00002 #define COIN_SOGLYPH_H
00003 
00004 /**************************************************************************\
00005  *
00006  *  This file is part of the Coin 3D visualization library.
00007  *  Copyright (C) by Kongsberg Oil & Gas Technologies.
00008  *
00009  *  This library is free software; you can redistribute it and/or
00010  *  modify it under the terms of the GNU General Public License
00011  *  ("GPL") version 2 as published by the Free Software Foundation.
00012  *  See the file LICENSE.GPL at the root directory of this source
00013  *  distribution for additional information about the GNU GPL.
00014  *
00015  *  For using Coin with software that can not be combined with the GNU
00016  *  GPL, and for taking advantage of the additional benefits of our
00017  *  support services, please contact Kongsberg Oil & Gas Technologies
00018  *  about acquiring a Coin Professional Edition License.
00019  *
00020  *  See http://www.coin3d.org/ for more information.
00021  *
00022  *  Kongsberg Oil & Gas Technologies, Bygdoy Alle 5, 0257 Oslo, NORWAY.
00023  *  http://www.sim.no/  sales@sim.no  coin-support@coin3d.org
00024  *
00025 \**************************************************************************/
00026 
00027 #include <Inventor/SbBasic.h>
00028 #include <Inventor/SbBox2f.h>
00029 #include <Inventor/SbVec2s.h>
00030 #include <Inventor/misc/SoState.h>
00031 
00032 class SbName;
00033 class SoGlyphP;
00034 
00035 class COIN_DLL_API SoGlyph {
00036 public:
00037 
00038   enum Fonttype {
00039     FONT2D = 1,
00040     FONT3D = 2
00041   };
00042   
00043   void unref(void) const;
00044   
00045   static const SoGlyph * getGlyph(const char character, const SbName & font);
00046   
00047   const SbVec2f * getCoords(void) const;
00048   const int * getFaceIndices(void) const;
00049   const int * getEdgeIndices(void) const;
00050   const int * getNextCWEdge(const int edgeidx) const;
00051   const int * getNextCCWEdge(const int edgeidx) const;
00052 
00053   float getWidth(void) const;
00054   const SbBox2f & getBoundingBox(void) const;
00055   
00056   static const SoGlyph * getGlyph(SoState * state,
00057                                   const unsigned int character, 
00058                                   const SbVec2s & size,
00059                                   const float angle);
00060   SbVec2s getAdvance(void) const;
00061   SbVec2s getKerning(const SoGlyph & rightglyph) const;
00062   unsigned char * getBitmap(SbVec2s & size, SbVec2s & pos, const SbBool antialiased) const;
00063 
00064 protected:
00065   SoGlyph(void);
00066   ~SoGlyph();
00067 
00068 #if (COIN_MAJOR_VERSION == 2)
00069 #error Reminder: when copying this file over to Coin-2, next 3 functions
00070 #error must be changed back to take a non-const first argument -- to keep
00071 #error ABI-compatibility. Do not change any other interfaces because of this,
00072 #error but handle by doing work-around casting internally in SoGlyph.cpp.
00073 #endif
00074   void setCoords(const SbVec2f * coords, int numcoords = -1);
00075   void setFaceIndices(const int * indices, int numindices = -1);
00076   void setEdgeIndices(const int * indices, int numindices = -1);
00077 
00078 private:
00079   static void unrefGlyph(SoGlyph * glyph);
00080   void setFontType(Fonttype type) const;
00081 
00082 
00083   friend class SoGlyphP;
00084   SoGlyphP * pimpl;
00085 };
00086 
00087 #endif // !COIN_SOGLYPH_H

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