forked from mia/Aegisub
91d73ec8ea
1. cd aegisub/
2. svn mv *cpp *h src/
3. svn mv Makefile.am MatroskaParser.c auto4_perldata.inc bitmaps boost \
changelog.txt config gl include libosxutil libresrc md5.c msvc mythes.cxx \
mythes.hxx res.rc src/
4. cd ..
5. svn mv FFmpegSource2/ INSTALL Makefile.am README acinclude.m4 \
autogen.sh automation/ bin build configure.in desktop dummy.txt lib \
libass/ m4macros/ packages/ po/ scripts/ universalchardet/ aegisub/
6. mkdir -p docs/wiki_convert
7. svn add docs/wiki_convert
8. cd docs
9. svn mv aegisub_convert_docs.pl convert.bat output wiki_convert/
* See r2749 for full description.
Originally committed to SVN as r2752.
104 lines
3.6 KiB
C
104 lines
3.6 KiB
C
// -*- c-basic-offset: 8; indent-tabs-mode: t -*-
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// vim:ts=8:sw=8:noet:ai:
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/*
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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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* libass is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* libass is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with libass; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#ifndef LIBASS_CACHE_H
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#define LIBASS_CACHE_H
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#include "ass.h"
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#include "ass_font.h"
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#include "ass_bitmap.h"
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void ass_font_cache_init(void);
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ass_font_t* ass_font_cache_find(ass_font_desc_t* desc);
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void* ass_font_cache_add(ass_font_t* font);
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void ass_font_cache_done(void);
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// describes a bitmap; bitmaps with equivalents structs are considered identical
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typedef struct bitmap_hash_key_s {
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char bitmap; // bool : true = bitmap, false = outline
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ass_font_t* font;
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double size; // font size
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uint32_t ch; // character code
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unsigned outline; // border width, 16.16 fixed point value
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int bold, italic;
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char be; // blur edges
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double blur; // gaussian blur
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unsigned scale_x, scale_y; // 16.16
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int frx, fry, frz; // signed 16.16
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int shift_x, shift_y; // shift vector that was added to glyph before applying rotation
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// = 0, if frx = fry = frx = 0
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// = (glyph base point) - (rotation origin), otherwise
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FT_Vector advance; // subpixel shift vector
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} bitmap_hash_key_t;
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typedef struct bitmap_hash_val_s {
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bitmap_t* bm; // the actual bitmaps
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bitmap_t* bm_o;
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bitmap_t* bm_s;
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} bitmap_hash_val_t;
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void ass_bitmap_cache_init(void);
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void* cache_add_bitmap(bitmap_hash_key_t* key, bitmap_hash_val_t* val);
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bitmap_hash_val_t* cache_find_bitmap(bitmap_hash_key_t* key);
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void ass_bitmap_cache_reset(void);
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void ass_bitmap_cache_done(void);
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// describes an outline glyph
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typedef struct glyph_hash_key_s {
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ass_font_t* font;
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double size; // font size
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uint32_t ch; // character code
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int bold, italic;
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unsigned scale_x, scale_y; // 16.16
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FT_Vector advance; // subpixel shift vector
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unsigned outline; // border width, 16.16
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} glyph_hash_key_t;
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typedef struct glyph_hash_val_s {
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FT_Glyph glyph;
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FT_Glyph outline_glyph;
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FT_BBox bbox_scaled; // bbox after scaling, but before rotation
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FT_Vector advance; // 26.6, advance distance to the next bitmap in line
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} glyph_hash_val_t;
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void ass_glyph_cache_init(void);
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void* cache_add_glyph(glyph_hash_key_t* key, glyph_hash_val_t* val);
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glyph_hash_val_t* cache_find_glyph(glyph_hash_key_t* key);
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void ass_glyph_cache_reset(void);
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void ass_glyph_cache_done(void);
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typedef struct hashmap_s hashmap_t;
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typedef void (*hashmap_item_dtor_t)(void* key, size_t key_size, void* value, size_t value_size);
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typedef int (*hashmap_key_compare_t)(void* key1, void* key2, size_t key_size);
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typedef unsigned (*hashmap_hash_t)(void* key, size_t key_size);
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hashmap_t* hashmap_init(size_t key_size, size_t value_size, int nbuckets,
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hashmap_item_dtor_t item_dtor, hashmap_key_compare_t key_compare,
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hashmap_hash_t hash);
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void hashmap_done(hashmap_t* map);
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void* hashmap_insert(hashmap_t* map, void* key, void* value);
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void* hashmap_find(hashmap_t* map, void* key);
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#endif /* LIBASS_CACHE_H */
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