| 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 Font structure
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| 34 | *
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| 35 | */
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| 36 |
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| 37 | #ifndef _GFX_PRIVATE_FONT_H
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| 38 | #define _GFX_PRIVATE_FONT_H
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| 39 |
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| 40 | #include <adt/list.h>
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| 41 | #include <errno.h>
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| 42 | #include <types/gfx/bitmap.h>
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| 43 | #include <types/gfx/context.h>
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| 44 | #include <types/gfx/font.h>
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| 45 | #include <types/gfx/typeface.h>
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| 46 | #include <riff/chunk.h>
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| 47 |
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| 48 | /** Font
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| 49 | *
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| 50 | * This is private to libgfxfont.
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| 51 | *
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| 52 | * Font bitmap contains all the glyphs packed side by side (in order of
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| 53 | * @c gfx_font_t.glyphs). This is to conserve space and number of bitmaps
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| 54 | * used. The baselines of the glyphs are not mutually aligned.
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| 55 | * For each glyph @c gfx_glyph_t.origin designates
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| 56 | * pen start point (and thus the position of the baseline).
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| 57 | */
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| 58 | struct gfx_font {
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| 59 | /** Containing typeface */
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| 60 | struct gfx_typeface *typeface;
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| 61 | /** Font metrics */
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| 62 | gfx_font_metrics_t metrics;
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| 63 | /** Glyphs */
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| 64 | list_t glyphs;
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| 65 | /** Font bitmap */
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| 66 | gfx_bitmap_t *bitmap;
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| 67 | /** Bitmap rectangle */
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| 68 | gfx_rect_t rect;
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| 69 | };
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| 70 |
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| 71 | /** Font info
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| 72 | *
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| 73 | * This is an entry in the list of fonts in typeface
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| 74 | */
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| 75 | struct gfx_font_info {
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| 76 | /** Containing typeface */
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| 77 | struct gfx_typeface *typeface;
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| 78 | /** Link to @c typeface->fonts */
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| 79 | link_t lfonts;
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| 80 | /** Font properties */
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| 81 | gfx_font_props_t props;
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| 82 | /** Font or @c NULL if font is not present in memory */
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| 83 | struct gfx_font *font;
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| 84 | };
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| 85 |
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| 86 | extern errno_t gfx_font_splice_at_glyph(gfx_font_t *, gfx_glyph_t *,
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| 87 | gfx_rect_t *);
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| 88 | extern errno_t gfx_font_save(gfx_font_info_t *, riffw_t *);
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| 89 |
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| 90 | #endif
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| 91 |
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| 92 | /** @}
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| 93 | */
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