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INCLUDE.PCF
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PCF.H
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1992-04-02
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/*
* $XConsortium: pcf.h,v 1.1 91/05/10 14:45:47 keith Exp $
*
* Copyright 1990 Massachusetts Institute of Technology
*
* Permission to use, copy, modify, distribute, and sell this software and its
* documentation for any purpose is hereby granted without fee, provided that
* the above copyright notice appear in all copies and that both that
* copyright notice and this permission notice appear in supporting
* documentation, and that the name of M.I.T. not be used in advertising or
* publicity pertaining to distribution of the software without specific,
* written prior permission. M.I.T. makes no representations about the
* suitability of this software for any purpose. It is provided "as is"
* without express or implied warranty.
*
* M.I.T. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL M.I.T.
* BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
* OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
* CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*
* Author: Keith Packard, MIT X Consortium
*/
#ifndef _PCF_H_
#define _PCF_H_
/*
* Information used to read/write PCF fonts
*/
typedef struct _PCFTable {
CARD32 type;
CARD32 format;
CARD32 size;
CARD32 offset;
} PCFTableRec, *PCFTablePtr;
#define PCF_FILE_VERSION (('p'<<24)|('c'<<16)|('f'<<8)|1)
#define PCF_FORMAT_MASK 0xffffff00
#define PCF_DEFAULT_FORMAT 0x00000000
#define PCF_INKBOUNDS 0x00000200
#define PCF_ACCEL_W_INKBOUNDS 0x00000100
#define PCF_COMPRESSED_METRICS 0x00000100
#define PCF_FORMAT_MATCH(a,b) (((a)&PCF_FORMAT_MASK) == ((b)&PCF_FORMAT_MASK))
#define PCF_GLYPH_PAD_MASK (3<<0)
#define PCF_BYTE_MASK (1<<2)
#define PCF_BIT_MASK (1<<3)
#define PCF_SCAN_UNIT_MASK (3<<4)
#define PCF_BYTE_ORDER(f) (((f) & PCF_BYTE_MASK)?MSBFirst:LSBFirst)
#define PCF_BIT_ORDER(f) (((f) & PCF_BIT_MASK)?MSBFirst:LSBFirst)
#define PCF_GLYPH_PAD_INDEX(f) ((f) & PCF_GLYPH_PAD_MASK)
#define PCF_GLYPH_PAD(f) (1<<PCF_GLYPH_PAD_INDEX(f))
#define PCF_SCAN_UNIT_INDEX(f) (((f) & PCF_SCAN_UNIT_MASK) >> 4)
#define PCF_SCAN_UNIT(f) (1<<PCF_SCAN_UNIT_INDEX(f))
#define PCF_FORMAT_BITS(f) ((f) & (PCF_GLYPH_PAD_MASK|PCF_BYTE_MASK|PCF_BIT_MASK|PCF_SCAN_UNIT_MASK))
#define PCF_SIZE_TO_INDEX(s) ((s) == 4 ? 2 : (s) == 2 ? 1 : 0)
#define PCF_INDEX_TO_SIZE(b) (1<<b)
#define PCF_FORMAT(bit,byte,glyph,scan) (\
(PCF_SIZE_TO_INDEX(scan) << 4) | \
(((bit) == MSBFirst ? 1 : 0) << 3) | \
(((byte) == MSBFirst ? 1 : 0) << 2) | \
(PCF_SIZE_TO_INDEX(glyph) << 0))
#define PCF_PROPERTIES (1<<0)
#define PCF_ACCELERATORS (1<<1)
#define PCF_METRICS (1<<2)
#define PCF_BITMAPS (1<<3)
#define PCF_INK_METRICS (1<<4)
#define PCF_BDF_ENCODINGS (1<<5)
#define PCF_SWIDTHS (1<<6)
#define PCF_GLYPH_NAMES (1<<7)
#define PCF_BDF_ACCELERATORS (1<<8)
#endif /* _PCF_H_ */