mirror of
https://github.com/lexborisov/Modest
synced 2024-11-21 21:31:25 +03:00
72 lines
2.6 KiB
C
72 lines
2.6 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/maxp.h"
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mystatus_t myfont_load_table_maxp(myfont_font_t* mf, uint8_t* font_data, size_t data_size)
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{
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memset(&mf->table_maxp, 0, sizeof(myfont_table_maxp_t));
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if(mf->cache.tables_offset[MyFONT_TKEY_maxp] == 0)
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return MyFONT_STATUS_OK;
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myfont_table_maxp_t *tmaxp = &mf->table_maxp;
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const uint32_t table_offset = mf->cache.tables_offset[MyFONT_TKEY_maxp];
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if((table_offset + 4) > 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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tmaxp->version = myfont_read_u32_as_net(&data);
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if(myfont_table_version_major(tmaxp->version) == 1)
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{
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if((table_offset + 4 + 28) > data_size)
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return MyFONT_STATUS_ERROR_TABLE_UNEXPECTED_ENDING;
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tmaxp->numGlyphs = myfont_read_u16(&data);
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tmaxp->maxPoints = myfont_read_u16(&data);
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tmaxp->maxContours = myfont_read_u16(&data);
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tmaxp->maxCompositePoints = myfont_read_u16(&data);
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tmaxp->maxCompositeContours = myfont_read_u16(&data);
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tmaxp->maxZones = myfont_read_u16(&data);
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tmaxp->maxTwilightPoints = myfont_read_u16(&data);
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tmaxp->maxStorage = myfont_read_u16(&data);
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tmaxp->maxFunctionDefs = myfont_read_u16(&data);
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tmaxp->maxInstructionDefs = myfont_read_u16(&data);
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tmaxp->maxStackElements = myfont_read_u16(&data);
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tmaxp->maxSizeOfInstructions = myfont_read_u16(&data);
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tmaxp->maxComponentElements = myfont_read_u16(&data);
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tmaxp->maxComponentDepth = myfont_read_u16(&data);
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}
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else {
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if((table_offset + 4 + 2) > data_size)
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return MyFONT_STATUS_ERROR_TABLE_UNEXPECTED_ENDING;
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tmaxp->numGlyphs = myfont_read_u16(&data);
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}
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return MyFONT_STATUS_OK;
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}
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