libass/ass_font.h

   1 // -*- c-basic-offset: 8; indent-tabs-mode: t -*-
   2 // vim:ts=8:sw=8:noet:ai:
   3 /*
   4   Copyright (C) 2006 Evgeniy Stepanov <eugeni.stepanov@gmail.com>
   5
   6   This program is free software; you can redistribute it and/or modify
   7   it under the terms of the GNU General Public License as published by
   8   the Free Software Foundation; either version 2 of the License, or
   9   (at your option) any later version.
  10
  11   This program is distributed in the hope that it will be useful,
  12   but WITHOUT ANY WARRANTY; without even the implied warranty of
  13   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14   GNU General Public License for more details.
  15
  16   You should have received a copy of the GNU General Public License
  17   along with this program; if not, write to the Free Software
  18   Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
  19 */
  20
  21 #ifndef __ASS_FONT_H__
  22 #define __ASS_FONT_H__
  23
  24 #ifdef HAVE_FONTCONFIG
  25 #include <fontconfig/fontconfig.h>
  26 #endif
  27
  28 typedef struct ass_font_desc_s {
  29         char* family;
  30         unsigned bold;
  31         unsigned italic;
  32 } ass_font_desc_t;
  33
  34 #define ASS_FONT_MAX_FACES 10
  35
  36 typedef struct ass_font_s {
  37         ass_font_desc_t desc;
  38         FT_Library ftlibrary;
  39         FT_Face faces[ASS_FONT_MAX_FACES];
  40         int n_faces;
  41         FT_Matrix m; // current transformation
  42         FT_Vector v; // current shift
  43         int size;
  44 #ifdef HAVE_FONTCONFIG
  45         FcCharSet* charset;
  46 #endif
  47 } ass_font_t;
  48
  49 ass_font_t* ass_font_new(ass_library_t* library, FT_Library ftlibrary, void* fc_priv, ass_font_desc_t* desc);
  50 void ass_font_set_transform(ass_font_t* font, FT_Matrix* m, FT_Vector* v);
  51 void ass_font_set_size(ass_font_t* font, int size);
  52 void ass_font_get_asc_desc(ass_font_t* font, uint32_t ch, int* asc, int* desc);
  53 FT_Glyph ass_font_get_glyph(void* fontconfig_priv, ass_font_t* font, uint32_t ch);
  54 FT_Vector ass_font_get_kerning(ass_font_t* font, uint32_t c1, uint32_t c2);
  55 void ass_font_free(ass_font_t* font);
  56
  57 #endif