| 1 | /*
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| 2 | * Copyright (c) 2020 Jiri Svoboda
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| 3 | * All rights reserved.
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| 4 | *
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| 5 | * Redistribution and use in source and binary forms, with or without
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| 6 | * modification, are permitted provided that the following conditions
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| 7 | * are met:
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| 8 | *
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| 9 | * - Redistributions of source code must retain the above copyright
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| 10 | * notice, this list of conditions and the following disclaimer.
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| 11 | * - Redistributions in binary form must reproduce the above copyright
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| 12 | * notice, this list of conditions and the following disclaimer in the
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| 13 | * documentation and/or other materials provided with the distribution.
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| 14 | * - The name of the author may not be used to endorse or promote products
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| 15 | * derived from this software without specific prior written permission.
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| 16 | *
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| 17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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| 18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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| 19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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| 20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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| 21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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| 22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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| 23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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| 24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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| 25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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| 26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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| 27 | */
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| 28 |
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| 29 | /** @addtogroup libgfxfont
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| 30 | * @{
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| 31 | */
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| 32 | /**
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| 33 | * @file Glyph structure
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| 34 | *
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| 35 | */
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| 36 |
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| 37 | #ifndef _GFX_PRIVATE_GLYPH_H
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| 38 | #define _GFX_PRIVATE_GLYPH_H
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| 39 |
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| 40 | #include <adt/list.h>
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| 41 | #include <gfx/coord.h>
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| 42 | #include <types/gfx/glyph.h>
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| 43 | #include <riff/chunk.h>
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| 44 |
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| 45 | /** Glyph
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| 46 | *
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| 47 | * This is private to libgfxfont.
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| 48 | */
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| 49 | struct gfx_glyph {
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| 50 | /** Containing font */
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| 51 | struct gfx_font *font;
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| 52 | /** Link to list of glyphs in the font */
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| 53 | link_t lglyphs;
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| 54 | /** Glyph metrics */
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| 55 | gfx_glyph_metrics_t metrics;
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| 56 | /** Text patterns (of gfx_glyph_pattern_t) */
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| 57 | list_t patterns;
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| 58 | /** Rectangle within font bitmap containing the glyph */
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| 59 | gfx_rect_t rect;
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| 60 | /** Glyph origin within font bitmap (pen start point) */
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| 61 | gfx_coord2_t origin;
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| 62 | };
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| 63 |
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| 64 | /** Glyph pattern.
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| 65 | *
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| 66 | * Glyph is set if pattern is found in text.
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| 67 | */
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| 68 | struct gfx_glyph_pattern {
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| 69 | /** Containing glyph */
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| 70 | struct gfx_glyph *glyph;
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| 71 | /** Link to gfx_glyph.patterns */
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| 72 | link_t lpatterns;
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| 73 | /** Pattern text */
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| 74 | char *text;
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| 75 | };
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| 76 |
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| 77 | extern errno_t gfx_glyph_transfer(gfx_glyph_t *, gfx_coord_t, gfx_bitmap_t *,
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| 78 | gfx_rect_t *);
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| 79 | extern errno_t gfx_glyph_load(gfx_font_t *, riff_rchunk_t *);
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| 80 | extern errno_t gfx_glyph_save(gfx_glyph_t *, riffw_t *);
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| 81 |
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| 82 | #endif
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| 83 |
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| 84 | /** @}
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| 85 | */
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