ftgl.cpp

   1
   2 #include "FTGL/FTGLBitmapFont.h"
   3 #include "FTGL/FTGLExtrdFont.h"
   4 #include "FTGL/FTGLOutlineFont.h"
   5 #include "FTGL/FTGLPixmapFont.h"
   6 #include "FTGL/FTGLPolygonFont.h"
   7 #include "FTGL/FTGLTextureFont.h"
   8 #include "FTGL/FTLibrary.h"
   9
  10 extern "C" {
  11
  12   FT_Error ftgl_initialise();
  13
  14   FTGLBitmapFont*  ftgl_new_bitmap_font(const char* filename);
  15   FTGLExtrdFont*   ftgl_new_extrd_font(const char* filename);
  16   FTGLOutlineFont* ftgl_new_outline_font(const char* filename);
  17   FTGLPixmapFont*  ftgl_new_pixmap_font(const char* filename);
  18   FTGLPolygonFont* ftgl_new_polygon_font(const char* filename);
  19   FTGLTextureFont* ftgl_new_texture_font(const char* filename);
  20
  21   FT_Encoding ftgl_get_encoding(const char* name);
  22
  23   void ftgl_font_delete(FTFont* font);
  24
  25   FT_Encoding ftgl_find_encoding(const char* name);
  26   void ftgl_font_set_charmap(FTFont* font, FT_Encoding charmap);
  27
  28   void ftgl_font_set_face_size(FTFont* font, unsigned int size, unsigned int res);
  29   unsigned int ftgl_font_get_face_size(FTFont* font);
  30
  31   void ftgl_font_set_depth(FTFont* font, float depth);
  32
  33   float ftgl_font_advance(FTFont* font, const char* string);
  34   float ftgl_font_advance_wide(FTFont* font, const wchar_t* string);
  35   void ftgl_font_render(FTFont* font, const char* string);
  36   void ftgl_font_render_wide(FTFont* font, const wchar_t* string);
  37
  38   float ftgl_font_line_height(FTFont* font);
  39   float ftgl_font_ascender(FTFont* font);
  40   float ftgl_font_descender(FTFont* font);
  41
  42   void ftgl_font_use_display_list(FTFont* font, char useList);
  43
  44   void ftgl_font_get_bbox(FTFont* font, const char* string, float bbox[6]);
  45   void ftgl_font_get_bbox_wide(FTFont* font, const wchar_t* string, float bbox[6]);
  46
  47   const char* ftgl_font_error(FTFont* font);
  48
  49   int sizeof_wchar_t();
  50 }
  51
  52 FT_Error ftgl_initialise() {return FTLibrary::Instance().Error();}
  53
  54 FTGLBitmapFont*  ftgl_new_bitmap_font(const char* filename) {return new FTGLBitmapFont(filename);}
  55 FTGLExtrdFont*   ftgl_new_extrd_font(const char* filename) {return new FTGLExtrdFont(filename);}
  56 FTGLOutlineFont* ftgl_new_outline_font(const char* filename) {return new FTGLOutlineFont(filename);}
  57 FTGLPixmapFont*  ftgl_new_pixmap_font(const char* filename) {return new FTGLPixmapFont(filename);}
  58 FTGLPolygonFont* ftgl_new_polygon_font(const char* filename) {return new FTGLPolygonFont(filename);}
  59 FTGLTextureFont* ftgl_new_texture_font(const char* filename) {return new FTGLTextureFont(filename);}
  60
  61 FT_Encoding ftgl_find_encoding(const char* name)
  62 {
  63   if (strcmp(name, "UNICODE")==0) { return FT_ENCODING_UNICODE; }
  64   if (strcmp(name, "MS-SYMBOL")==0) { return FT_ENCODING_MS_SYMBOL; }
  65   if (strcmp(name, "SJIS")==0) { return FT_ENCODING_SJIS; }
  66   if (strcmp(name, "GB2312")==0) { return FT_ENCODING_GB2312; }
  67   if (strcmp(name, "BIG5")==0) { return FT_ENCODING_BIG5; }
  68   if (strcmp(name, "WANSUNG")==0) { return FT_ENCODING_WANSUNG; }
  69   if (strcmp(name, "JOHAB")==0) { return FT_ENCODING_JOHAB; }
  70   if (strcmp(name, "ADOBE-STANDARD")==0) { return FT_ENCODING_ADOBE_STANDARD; }
  71   if (strcmp(name, "ADOBE-EXPERT")==0) { return FT_ENCODING_ADOBE_EXPERT; }
  72   if (strcmp(name, "ADOBE-CUSTOM")==0) { return FT_ENCODING_ADOBE_CUSTOM; }
  73   if (strcmp(name, "ADOBE-LATIN-1")==0) { return FT_ENCODING_ADOBE_LATIN_1; }
  74   if (strcmp(name, "OLD-LATIN-2")==0) { return FT_ENCODING_OLD_LATIN_2; }
  75   if (strcmp(name, "APPLE-ROMAN")==0) { return FT_ENCODING_APPLE_ROMAN; }
  76   return FT_ENCODING_NONE;
  77 }
  78
  79 void ftgl_font_set_charmap(FTFont* font, FT_Encoding charmap) {font->CharMap(charmap);}
  80
  81 void ftgl_font_delete(FTFont* font) {delete font;}
  82
  83 void ftgl_font_set_face_size(FTFont* font, unsigned int size, unsigned int res) {font->FaceSize(size,res);}
  84 unsigned int ftgl_font_get_face_size(FTFont* font) {return font->FaceSize();}
  85 void ftgl_font_set_depth(FTFont* font, float depth){ font->Depth(depth);}
  86
  87 float ftgl_font_advance(FTFont* font, const char* string) {return font->Advance(string);}
  88 float ftgl_font_advance_wide(FTFont* font, const wchar_t* string) {return font->Advance(string);}
  89 void ftgl_font_render(FTFont* font, const char* string) {font->Render(string);}
  90 void ftgl_font_render_wide(FTFont* font, const wchar_t* string) {font->Render(string);}
  91
  92 float ftgl_font_line_height(FTFont* font) {return font->LineHeight();}
  93 float ftgl_font_ascender(FTFont* font)    {return font->Ascender();}
  94 float ftgl_font_descender(FTFont* font)   {return font->Descender();}
  95
  96 void ftgl_font_use_display_list(FTFont* font, char useList) { font->UseDisplayList(useList); }
  97
  98 void ftgl_font_get_bbox(FTFont* font, const char* string, float bbox[6])
  99 {
 100   font->BBox(string, bbox[0], bbox[1], bbox[2], bbox[3], bbox[4], bbox[5]);
 101 }
 102 void ftgl_font_get_bbox_wide(FTFont* font, const wchar_t* string, float bbox[6])
 103 {
 104   font->BBox(string, bbox[0], bbox[1], bbox[2], bbox[3], bbox[4], bbox[5]);
 105 }
 106
 107
 108 #undef __FTERRORS_H__
 109 #define FT_ERRORDEF( e, v, s )  { e, s },
 110 #define FT_ERROR_START_LIST     {
 111 #define FT_ERROR_END_LIST       { 0, 0 } };
 112
 113 struct FreetypeError
 114 {
 115   int          err_code;
 116   const char*  err_msg;
 117 };
 118 const FreetypeError ft_errors[] =
 119 #include FT_ERRORS_H
 120
 121
 122 const char* ftgl_font_error(FTFont* font) {
 123   int errcode=font->Error();
 124   if (errcode)
 125   {
 126     for (int i=0; ft_errors[i].err_msg; i++)
 127     {
 128       if (errcode==ft_errors[i].err_code)
 129       {
 130         return ft_errors[i].err_msg;
 131       }
 132     }
 133     return "Unknown error!";
 134   }
 135   return 0;
 136 }
 137
 138 int sizeof_wchar_t() { return sizeof(wchar_t); }