mirror of
https://github.com/lexborisov/Modest
synced 2024-11-25 15:19:44 +03:00
115 lines
3.7 KiB
C
115 lines
3.7 KiB
C
/*
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Copyright (C) 2016 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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#ifndef MyFONT_GLYF_H
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#define MyFONT_GLYF_H
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#pragma once
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#include "myfont/myosi.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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enum myfont_table_glyf_composite_flags {
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MyFONT_GLYF_ARG_1_AND_2_ARE_WORDS = 0x0001,
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MyFONT_GLYF_ARGS_ARE_XY_VALUES = 0x0002,
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MyFONT_GLYF_ROUND_XY_TO_GRID = 0x0004,
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MyFONT_GLYF_WE_HAVE_A_SCALE = 0x0008,
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MyFONT_GLYF_RESERVED = 0x0010,
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MyFONT_GLYF_MORE_COMPONENTS = 0x0020,
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MyFONT_GLYF_WE_HAVE_AN_X_AND_Y_SCALE = 0x0040,
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MyFONT_GLYF_WE_HAVE_A_TWO_BY_TWO = 0x0080,
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MyFONT_GLYF_WE_HAVE_INSTRUCTIONS = 0x0100,
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MyFONT_GLYF_USE_MY_METRICS = 0x0200,
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MyFONT_GLYF_OVERLAP_COMPOUND = 0x0400,
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MyFONT_GLYF_SCALED_COMPONENT_OFFSET = 0x0800,
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MyFONT_GLYF_UNSCALED_COMPONENT_OFFSET = 0x1000
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};
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struct myfont_table_composite_glyph {
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uint16_t flags;
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uint16_t glyphIndex;
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int16_t argument1;
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int16_t argument2;
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}
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typedef myfont_table_composite_glyph_t;
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enum myfont_table_glyf_simple_flags {
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MyFONT_GLYF_SML_FLAGS_onCurve = 0x001,
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MyFONT_GLYF_SML_FLAGS_x_ShortVector = 0x002,
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MyFONT_GLYF_SML_FLAGS_y_ShortVector = 0x004,
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MyFONT_GLYF_SML_FLAGS_repeat = 0x008,
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MyFONT_GLYF_SML_FLAGS_p_x_ShortVector = 0x010,
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MyFONT_GLYF_SML_FLAGS_p_y_ShortVector = 0x020,
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MyFONT_GLYF_SML_FLAGS_reserved_1 = 0x040,
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MyFONT_GLYF_SML_FLAGS_reserved_2 = 0x080,
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MyFONT_GLYF_SML_FLAGS_last = 0x100
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};
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struct myfont_table_simple_glyph {
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uint16_t *endPtsOfContours;
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uint16_t instructionLength;
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uint8_t *instructions;
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uint8_t *flags;
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int16_t *xCoordinates;
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int16_t *yCoordinates;
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}
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typedef myfont_table_simple_glyph_t;
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struct myfont_table_glyf_head {
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int16_t numberOfContours;
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int16_t xMin;
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int16_t yMin;
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int16_t xMax;
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int16_t yMax;
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}
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typedef myfont_table_glyf_head_t;
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struct myfont_table_glyph {
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myfont_table_glyf_head_t head;
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myfont_table_simple_glyph_t simple;
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uint16_t pointCount;
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}
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typedef myfont_table_glyph_t;
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struct myfont_table_glyf {
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myfont_table_glyph_t *cache;
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}
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typedef myfont_table_glyf_t;
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#include "myfont/myfont.h"
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struct myfont_font;
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myfont_status_t myfont_load_table_glyf(struct myfont_font *mf);
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myfont_status_t myfont_glyf_load(struct myfont_font *mf, myfont_table_glyph_t *glyph, uint16_t glyph_index);
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myfont_status_t myfont_glyf_load_data(struct myfont_font *mf, myfont_table_glyph_t *glyph, uint32_t offset);
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myfont_status_t myfont_glyf_load_simple(myfont_font_t *mf, myfont_table_glyph_t *glyph, uint8_t *data, uint32_t offset);
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myfont_status_t myfont_glyf_load_simple_flags(struct myfont_font *mf, myfont_table_glyph_t *glyph, uint8_t *data, uint32_t offset);
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myfont_status_t myfont_glyf_load_simple_coordinates(struct myfont_font *mf, myfont_table_glyph_t *glyph, uint8_t *data, uint32_t offset);
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#ifdef __cplusplus
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} /* extern "C" */
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#endif
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#endif /* MyFONT_GLYF_H */
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