mirror of
https://github.com/lexborisov/Modest
synced 2024-11-21 21:31:25 +03:00
96 lines
3.2 KiB
C
96 lines
3.2 KiB
C
/*
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Copyright (C) 2016-2017 Alexander Borisov
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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This library 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 GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with this library; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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Author: lex.borisov@gmail.com (Alexander Borisov)
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*/
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#include "myfont/name.h"
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mystatus_t myfont_load_table_name(myfont_font_t *mf, uint8_t* font_data, size_t data_size)
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{
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memset(&mf->table_name, 0, sizeof(myfont_table_name_t));
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if(mf->cache.tables_offset[MyFONT_TKEY_name] == 0)
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return MyFONT_STATUS_OK;
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myfont_table_name_t *tname = &mf->table_name;
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const uint32_t table_offset = mf->cache.tables_offset[MyFONT_TKEY_name];
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uint32_t pos = table_offset + 6;
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if(pos > data_size)
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return MyFONT_STATUS_ERROR_TABLE_UNEXPECTED_ENDING;
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/* get current data */
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uint8_t *data = &font_data[table_offset];
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tname->format = myfont_read_u16(&data);
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tname->count = myfont_read_u16(&data);
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tname->stringOffset = myfont_read_u16(&data);
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pos = pos + (tname->count * 12);
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if(pos > data_size) {
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tname->count = 0;
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return MyFONT_STATUS_ERROR_TABLE_UNEXPECTED_ENDING;
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}
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myfont_record_t *record = (myfont_record_t *)myfont_calloc(mf, tname->count, sizeof(myfont_record_t));
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if(record == NULL)
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return MyFONT_STATUS_ERROR_MEMORY_ALLOCATION;
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for(uint16_t i = 0; i < tname->count; i++) {
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record[i].platformID = myfont_read_u16(&data);
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record[i].encodingID = myfont_read_u16(&data);
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record[i].languageID =myfont_read_u16(&data);
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record[i].nameID = myfont_read_u16(&data);
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record[i].length = myfont_read_u16(&data);
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record[i].offset = myfont_read_u16(&data);
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}
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tname->nameRecord = record;
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if(tname->format == 1)
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{
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pos += 2;
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if(pos > data_size)
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return MyFONT_STATUS_ERROR_TABLE_UNEXPECTED_ENDING;
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tname->langTagCount = myfont_read_u16(&data);
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pos = pos + (tname->langTagCount * 4);
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if(pos > data_size) {
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tname->langTagCount = 0;
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return MyFONT_STATUS_ERROR_TABLE_UNEXPECTED_ENDING;
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}
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myfont_ltag_record_t *lang_record = (myfont_ltag_record_t *)myfont_calloc(mf, tname->langTagCount, sizeof(myfont_ltag_record_t));
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if(lang_record == NULL)
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return MyFONT_STATUS_ERROR_TABLE_UNEXPECTED_ENDING;
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for(uint16_t i = 0; i < tname->count; i++) {
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lang_record[i].length = myfont_read_u16(&data);
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lang_record[i].offset = myfont_read_u16(&data);
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}
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tname->langTagRecord = lang_record;
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}
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return MyFONT_STATUS_OK;
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}
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