[apple/boot.git] / i386 / util / font.h

/*
 * Copyright (c) 1999 Apple Computer, Inc. All rights reserved.
 *
 * @APPLE_LICENSE_HEADER_START@
 * 
 * Portions Copyright (c) 1999 Apple Computer, Inc.  All Rights
 * Reserved.  This file contains Original Code and/or Modifications of
 * Original Code as defined in and that are subject to the Apple Public
 * Source License Version 1.1 (the "License").  You may not use this file
 * except in compliance with the License.  Please obtain a copy of the
 * License at http://www.apple.com/publicsource and read it before using
 * this file.
 * 
 * The Original Code and all software distributed under the License are
 * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE OR NON- INFRINGEMENT.  Please see the
 * License for the specific language governing rights and limitations
 * under the License.
 * 
 * @APPLE_LICENSE_HEADER_END@
 */
/*
 * font.h -- definitions used in generating bitmap fonts for newblit
 */

/* Sizes of structure elements are small to save space...
 * Watch out for fonts that exceed the limits imposed by
 * these small elements.
 */
 
typedef struct {
	char width;
	char height;
	char xoff;
	char yoff;
} bbox_t;

typedef struct {
	bbox_t bbx;
	short dwidth;
	short bitx;
} bitmap_t;

#define	FONTNAMELEN		64
#define	ENCODEBASE		0x20
#define	ENCODELAST		0x7E

typedef struct {
	char font[FONTNAMELEN+1];
	unsigned short size;
	bbox_t bbx;
	bitmap_t bitmaps[ENCODELAST - ENCODEBASE + 1];
	unsigned const char bits[0];
} font_t;

/*
 * For 'c' output.
 */
typedef struct {
	char *font;
	unsigned short size;
	bbox_t bbx;
	bitmap_t bitmaps[ENCODELAST - ENCODEBASE + 1];
	unsigned const char *bits;
} font_c_t;

extern const font_t *fontp;
Commit	Line	Data
14c7c974 A	1	/*
	2	* Copyright (c) 1999 Apple Computer, Inc. All rights reserved.
	3	*
	4	* @APPLE_LICENSE_HEADER_START@
	5	*
	6	* Portions Copyright (c) 1999 Apple Computer, Inc. All Rights
	7	* Reserved. This file contains Original Code and/or Modifications of
	8	* Original Code as defined in and that are subject to the Apple Public
	9	* Source License Version 1.1 (the "License"). You may not use this file
	10	* except in compliance with the License. Please obtain a copy of the
	11	* License at http://www.apple.com/publicsource and read it before using
	12	* this file.
	13	*
	14	* The Original Code and all software distributed under the License are
	15	* distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
	16	* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
	17	* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
	18	* FITNESS FOR A PARTICULAR PURPOSE OR NON- INFRINGEMENT. Please see the
	19	* License for the specific language governing rights and limitations
	20	* under the License.
	21	*
	22	* @APPLE_LICENSE_HEADER_END@
	23	*/
	24	/*
	25	* font.h -- definitions used in generating bitmap fonts for newblit
	26	*/
	27
	28	/* Sizes of structure elements are small to save space...
	29	* Watch out for fonts that exceed the limits imposed by
	30	* these small elements.
	31	*/
	32
	33	typedef struct {
	34	char width;
	35	char height;
	36	char xoff;
	37	char yoff;
	38	} bbox_t;
	39
	40	typedef struct {
	41	bbox_t bbx;
	42	short dwidth;
	43	short bitx;
	44	} bitmap_t;
	45
	46	#define FONTNAMELEN 64
	47	#define ENCODEBASE 0x20
	48	#define ENCODELAST 0x7E
	49
	50	typedef struct {
	51	char font[FONTNAMELEN+1];
	52	unsigned short size;
	53	bbox_t bbx;
	54	bitmap_t bitmaps[ENCODELAST - ENCODEBASE + 1];
	55	unsigned const char bits[0];
	56	} font_t;
	57
	58	/*
	59	* For 'c' output.
	60	*/
	61	typedef struct {
	62	char *font;
	63	unsigned short size;
	64	bbox_t bbx;
65	bitmap_t bitmaps[ENCODELAST - ENCODEBASE + 1];
66	unsigned const char *bits;
67	} font_c_t;
68
69	extern const font_t *fontp;