66 lines
2.4 KiB
C
66 lines
2.4 KiB
C
/*
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* Copyright (C) 2006 Evgeniy Stepanov <eugeni.stepanov@gmail.com>
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*
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* This file is part of libass.
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#ifndef LIBASS_FONT_H
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#define LIBASS_FONT_H
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#include <stdint.h>
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#include <ft2build.h>
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#include FT_GLYPH_H
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#include "ass.h"
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#include "ass_types.h"
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#define ASS_FONT_MAX_FACES 10
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#define DECO_UNDERLINE 1
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#define DECO_STRIKETHROUGH 2
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typedef struct {
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char *family;
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unsigned bold;
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unsigned italic;
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int treat_family_as_pattern;
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int vertical; // @font vertical layout
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} ASS_FontDesc;
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typedef struct {
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ASS_FontDesc desc;
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ASS_Library *library;
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FT_Library ftlibrary;
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FT_Face faces[ASS_FONT_MAX_FACES];
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int n_faces;
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double scale_x, scale_y; // current transform
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FT_Vector v; // current shift
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double size;
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} ASS_Font;
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// FIXME: passing the hashmap via a void pointer is very ugly.
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ASS_Font *ass_font_new(void *font_cache, ASS_Library *library,
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FT_Library ftlibrary, void *fc_priv,
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ASS_FontDesc *desc);
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void ass_font_set_transform(ASS_Font *font, double scale_x,
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double scale_y, FT_Vector *v);
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void ass_font_set_size(ASS_Font *font, double size);
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void ass_font_get_asc_desc(ASS_Font *font, uint32_t ch, int *asc,
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int *desc);
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FT_Glyph ass_font_get_glyph(void *fontconfig_priv, ASS_Font *font,
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uint32_t ch, ASS_Hinting hinting, int flags);
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FT_Vector ass_font_get_kerning(ASS_Font *font, uint32_t c1, uint32_t c2);
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void ass_font_free(ASS_Font *font);
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void fix_freetype_stroker(FT_OutlineGlyph glyph, int border_x, int border_y);
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#endif /* LIBASS_FONT_H */
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