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 typedef struct ass_font_desc_s {
  25         char* family;
  26         unsigned bold;
  27         unsigned italic;
  28 } ass_font_desc_t;
  29
  30 #define ASS_FONT_MAX_FACES 10
  31
  32 typedef struct ass_font_s {
  33         ass_font_desc_t desc;
  34         ass_library_t* library;
  35         FT_Library ftlibrary;
  36         FT_Face faces[ASS_FONT_MAX_FACES];
  37         int n_faces;
  38         double scale_x, scale_y; // current transform
  39         FT_Vector v; // current shift
  40         double size;
  41 } ass_font_t;
  42
  43 ass_font_t* ass_font_new(ass_library_t* library, FT_Library ftlibrary, void* fc_priv, ass_font_desc_t* desc);
  44 void ass_font_set_transform(ass_font_t* font, double scale_x, double scale_y, FT_Vector* v);
  45 void ass_font_set_size(ass_font_t* font, double size);
  46 void ass_font_get_asc_desc(ass_font_t* font, uint32_t ch, int* asc, int* desc);
  47 FT_Glyph ass_font_get_glyph(void* fontconfig_priv, ass_font_t* font, uint32_t ch, ass_hinting_t hinting);
  48 FT_Vector ass_font_get_kerning(ass_font_t* font, uint32_t c1, uint32_t c2);
  49 void ass_font_free(ass_font_t* font);
  50
  51 #endif /* ASS_FONT_H */