1/*
2
3Copyright 1990, 1994, 1998  The Open Group
4
5Permission to use, copy, modify, distribute, and sell this software and its
6documentation for any purpose is hereby granted without fee, provided that
7the above copyright notice appear in all copies and that both that
8copyright notice and this permission notice appear in supporting
9documentation.
10
11The above copyright notice and this permission notice shall be included
12in all copies or substantial portions of the Software.
13
14THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
15OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
16MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
17IN NO EVENT SHALL THE OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR
18OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20OTHER DEALINGS IN THE SOFTWARE.
21
22Except as contained in this notice, the name of The Open Group shall
23not be used in advertising or otherwise to promote the sale, use or
24other dealings in this Software without prior written authorization
25from The Open Group.
26
27*/
28
29/*
30 * Author:  Keith Packard, MIT X Consortium
31 */
32
33#ifndef _FONTXLFD_H_
34#define _FONTXLFD_H_
35
36#include <X11/fonts/FSproto.h>
37
38/* Constants for values_supplied bitmap */
39
40#define SIZE_SPECIFY_MASK		0xf
41
42#define PIXELSIZE_MASK			0x3
43#define PIXELSIZE_UNDEFINED		0
44#define PIXELSIZE_SCALAR		0x1
45#define PIXELSIZE_ARRAY			0x2
46#define PIXELSIZE_SCALAR_NORMALIZED	0x3	/* Adjusted for resolution */
47
48#define POINTSIZE_MASK			0xc
49#define POINTSIZE_UNDEFINED		0
50#define POINTSIZE_SCALAR		0x4
51#define POINTSIZE_ARRAY			0x8
52
53#define PIXELSIZE_WILDCARD		0x10
54#define POINTSIZE_WILDCARD		0x20
55
56#define ENHANCEMENT_SPECIFY_MASK	0x40
57
58#define CHARSUBSET_SPECIFIED		0x40
59
60#define EPS		1.0e-20
61#define XLFD_NDIGITS	3		/* Round numbers in pixel and
62					   point arrays to this many
63					   digits for repeatability */
64
65typedef struct _FontScalable {
66    int		values_supplied;	/* Bitmap identifying what advanced
67					   capabilities or enhancements
68					   were specified in the font name */
69    double	pixel_matrix[4];
70    double	point_matrix[4];
71
72    /* Pixel and point fields are deprecated in favor of the
73       transformation matrices.  They are provided and filled in for the
74       benefit of rasterizers that do not handle the matrices.  */
75
76    int		pixel,
77		point;
78
79    int         x,
80                y,
81                width;
82    char	*xlfdName;
83    int		nranges;
84    fsRange	*ranges;
85}           FontScalableRec, *FontScalablePtr;
86
87
88extern double xlfd_round_double ( double x );
89extern Bool FontParseXLFDName ( char *fname, FontScalablePtr vals, int subst );
90extern fsRange *FontParseRanges ( char *name, int *nranges );
91
92#define FONT_XLFD_REPLACE_NONE	0
93#define FONT_XLFD_REPLACE_STAR	1
94#define FONT_XLFD_REPLACE_ZERO	2
95#define FONT_XLFD_REPLACE_VALUE	3
96
97#endif				/* _FONTXLFD_H_ */
98