/*
* Copyright (c) 2022 Jiri Svoboda
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* - The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/** @addtogroup libgfxfont
* @{
*/
/**
* @file TPF file definitions
*
*/
#ifndef _GFX_PRIVATE_TPF_FILE_H
#define _GFX_PRIVATE_TPF_FILE_H
#include <stdint.h>
enum {
/** Typeface RIFF format ID */
FORM_TPFC = 0x43465054,
/** Font list type */
LTYPE_font = 0x746e6f66,
/** Font properties chunk ID */
CKID_fprp = 0x70727066,
/** Font metrics chunk ID */
CKID_fmtr = 0x72746d66,
/** Font bitmap chunk ID */
CKID_fbmp = 0x706d6266,
/** Glyph list type */
LTYPE_glph = 0x68706c67,
/** Glyph metrics chunk ID */
CKID_gmtr = 0x72746d67,
/** Glyph patterns chunk ID */
CKID_gpat = 0x74617067,
/** Glyph rectangle/origin chunk ID */
CKID_gror = 0x726f7267
};
/** TPF font properties */
typedef struct {
uint16_t size;
uint16_t flags;
} tpf_font_props_t;
/** TPF font metrics */
typedef struct {
uint16_t ascent;
uint16_t descent;
uint16_t leading;
int16_t underline_y0;
int16_t underline_y1;
} tpf_font_metrics_t;
/** TPF glyph metrics */
typedef struct {
uint16_t advance;
} tpf_glyph_metrics_t;
/** TPF glyph rectangle/origin */
typedef struct {
/** Rectangle p0.x */
uint32_t p0x;
/** Rectangle p0.y */
uint32_t p0y;
/** Rectangle p1.x */
uint32_t p1x;
/** Rectangle p1.y */
uint32_t p1y;
/** Origin X */
uint32_t orig_x;
/** Origin Y */
uint32_t orig_y;
} tpf_glyph_ror_t;
/** TPF font bitmap header */
typedef struct {
/** Width in pixels */
uint32_t width;
/** Height in pixels */
uint32_t height;
/** Format (0) */
uint16_t fmt;
/** Depth (bits/pixel) */
uint16_t depth;
} tpf_font_bmp_hdr_t;
#endif
/** @}
*/