[d53af3c8] | 1 | /*
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[5c27e77] | 2 | * Copyright (c) 2022 Jiri Svoboda
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[d53af3c8] | 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 TPF file definitions
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| 34 | *
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| 35 | */
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| 36 |
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| 37 | #ifndef _GFX_PRIVATE_TPF_FILE_H
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| 38 | #define _GFX_PRIVATE_TPF_FILE_H
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| 39 |
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[453f203b] | 40 | #include <stdint.h>
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| 41 |
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[d53af3c8] | 42 | enum {
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| 43 | /** Typeface RIFF format ID */
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| 44 | FORM_TPFC = 0x43465054,
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| 45 |
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| 46 | /** Font list type */
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| 47 | LTYPE_font = 0x746e6f66,
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| 48 |
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| 49 | /** Font properties chunk ID */
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| 50 | CKID_fprp = 0x70727066,
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| 51 | /** Font metrics chunk ID */
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| 52 | CKID_fmtr = 0x72746d66,
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| 53 | /** Font bitmap chunk ID */
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| 54 | CKID_fbmp = 0x706d6266,
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| 55 |
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| 56 | /** Glyph list type */
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| 57 | LTYPE_glph = 0x68706c67,
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| 58 |
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| 59 | /** Glyph metrics chunk ID */
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| 60 | CKID_gmtr = 0x72746d67,
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| 61 | /** Glyph patterns chunk ID */
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| 62 | CKID_gpat = 0x74617067,
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| 63 | /** Glyph rectangle/origin chunk ID */
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| 64 | CKID_gror = 0x726f7267
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| 65 | };
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| 66 |
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[453f203b] | 67 | /** TPF font properties */
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| 68 | typedef struct {
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| 69 | uint16_t size;
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| 70 | uint16_t flags;
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| 71 | } tpf_font_props_t;
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| 72 |
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| 73 | /** TPF font metrics */
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| 74 | typedef struct {
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| 75 | uint16_t ascent;
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| 76 | uint16_t descent;
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| 77 | uint16_t leading;
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[5c27e77] | 78 | int16_t underline_y0;
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| 79 | int16_t underline_y1;
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[453f203b] | 80 | } tpf_font_metrics_t;
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| 81 |
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| 82 | /** TPF glyph metrics */
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| 83 | typedef struct {
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| 84 | uint16_t advance;
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| 85 | } tpf_glyph_metrics_t;
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| 86 |
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| 87 | /** TPF glyph rectangle/origin */
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| 88 | typedef struct {
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| 89 | /** Rectangle p0.x */
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| 90 | uint32_t p0x;
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| 91 | /** Rectangle p0.y */
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| 92 | uint32_t p0y;
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| 93 | /** Rectangle p1.x */
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| 94 | uint32_t p1x;
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| 95 | /** Rectangle p1.y */
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| 96 | uint32_t p1y;
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| 97 | /** Origin X */
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| 98 | uint32_t orig_x;
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| 99 | /** Origin Y */
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| 100 | uint32_t orig_y;
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| 101 | } tpf_glyph_ror_t;
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| 102 |
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| 103 | /** TPF font bitmap header */
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| 104 | typedef struct {
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| 105 | /** Width in pixels */
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| 106 | uint32_t width;
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| 107 | /** Height in pixels */
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| 108 | uint32_t height;
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| 109 | /** Format (0) */
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| 110 | uint16_t fmt;
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| 111 | /** Depth (bits/pixel) */
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| 112 | uint16_t depth;
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| 113 | } tpf_font_bmp_hdr_t;
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| 114 |
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[d53af3c8] | 115 | #endif
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| 116 |
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| 117 | /** @}
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| 118 | */
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