Modest/source/myfont/myfont.h
2017-03-11 12:23:24 +03:00

129 lines
3.9 KiB
C

/*
Copyright (C) 2016 Alexander Borisov
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
Author: lex.borisov@gmail.com (Alexander Borisov)
*/
#ifndef MyFONT_MyFONT_H
#define MyFONT_MyFONT_H
#pragma once
#include "myfont/myosi.h"
#include "myfont/cmap.h"
#include "myfont/head.h"
#include "myfont/name.h"
#include "myfont/os_2.h"
#include "myfont/maxp.h"
#include "myfont/hhea.h"
#include "myfont/hmtx.h"
#include "myfont/glyf.h"
#include "myfont/vhea.h"
#include "myfont/vmtx.h"
#include "myfont/pclt.h"
#include "myfont/loca.h"
#include "mycore/utils/mchar_async.h"
#ifdef __cplusplus
extern "C" {
#endif
// base
struct myfont_header {
uint16_t version_major;
uint16_t version_minor;
uint16_t numTables;
uint16_t searchRange;
uint16_t entrySelector;
uint16_t rangeShift;
}
typedef myfont_header_t;
struct myfont_table {
uint32_t tag;
uint32_t checkSum;
uint32_t offset;
uint32_t length;
}
typedef myfont_table_t;
struct myfont_cache {
uint32_t tables_offset[MyFONT_TKEY_LAST_KEY];
}
typedef myfont_cache_t;
struct myfont_font {
myfont_header_t header;
myfont_cache_t cache;
myfont_table_cmap_t table_cmap;
myfont_table_head_t table_head;
myfont_table_name_t table_name;
myfont_table_os_2_t table_os_2;
myfont_table_maxp_t table_maxp;
myfont_table_hhea_t table_hhea;
myfont_table_hmtx_t table_hmtx;
myfont_table_glyf_t table_glyf;
myfont_table_vmtx_t table_vmtx;
myfont_table_vhea_t table_vhea;
myfont_table_pclt_t table_pclt;
myfont_table_loca_t table_loca;
char* file_path;
size_t file_size;
uint8_t* file_data;
mchar_async_t* mchar;
size_t mchar_node_id;
};
myfont_font_t * myfont_create(void);
mystatus_t myfont_init(myfont_font_t *mf);
void myfont_clean(myfont_font_t *mf);
myfont_font_t * myfont_destroy(myfont_font_t *mf, bool self_destroy);
void * myfont_malloc(myfont_font_t* mf, size_t size);
void * myfont_calloc(myfont_font_t* mf, size_t count, size_t size);
void myfont_free(myfont_font_t *mf, void* data);
mystatus_t myfont_load(myfont_font_t *mf, const char *filepath);
mystatus_t myfont_check_required_tables(myfont_font_t *mf);
float myfont_metrics_baseline(myfont_font_t *mf, float font_size);
float myfont_metrics_ascender(myfont_font_t *mf, float font_size);
float myfont_metrics_descender(myfont_font_t *mf, float font_size);
float myfont_metrics_line_gap(myfont_font_t *mf, float font_size);
float myfont_metrics_x_height(myfont_font_t *mf, float font_size);
float myfont_metrics_cap_height(myfont_font_t *mf, float font_size);
float myfont_metrics_font_height(myfont_font_t *mf, float font_size);
float myfont_metrics_width(myfont_font_t *mf, unsigned long codepoint, float font_size, mystatus_t* status);
float myfont_metrics_height(myfont_font_t *mf, unsigned long codepoint, float font_size, mystatus_t* status);
float myfont_metrics_glyph_offset_y(myfont_font_t *mf, unsigned long codepoint, float font_size, mystatus_t* status);
mystatus_t myfont_load_table(myfont_font_t *mf, void *table, size_t size, enum myfont_table_key tkey);
int16_t myfont_table_version_major(uint32_t version);
int16_t myfont_table_version_minor(uint32_t version);
#ifdef __cplusplus
} /* extern "C" */
#endif
#endif /* MyFONT_MyFONT_H */