1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
|
/* $Xorg: bitmapfunc.c,v 1.5 2001/02/09 02:04:02 xorgcvs Exp $ */
/*
Copyright 1991, 1998 The Open Group
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.
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
Except as contained in this notice, the name of The Open Group shall not be
used in advertising or otherwise to promote the sale, use or other dealings
in this Software without prior written authorization from The Open Group.
*/
/* $XFree86: xc/lib/font/bitmap/bitmapfunc.c,v 3.17 2002/09/19 13:21:58 tsi Exp $ */
/*
* Author: Keith Packard, MIT X Consortium
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
/*
* Translate monolithic #defines to modular definitions
*/
#ifdef PCFFORMAT
#define XFONT_PCFFORMAT 1
#endif
#ifdef SNFFORMAT
#define XFONT_SNFFORMAT 1
#endif
#ifdef BDFFORMAT
#define XFONT_BDFFORMAT 1
#endif
#include <X11/fonts/fntfilst.h>
#include <X11/fonts/bitmap.h>
#include <X11/fonts/fontutil.h>
#include <X11/fonts/bdfint.h>
#include <X11/fonts/pcf.h>
#include "snfstr.h"
typedef struct _BitmapFileFunctions {
int (*ReadFont) (FontPtr /* pFont */, FontFilePtr /* file */,
int /* bit */, int /* byte */,
int /* glyph */, int /* scan */);
int (*ReadInfo) ( FontInfoPtr /* pFontInfo */,
FontFilePtr /* file */ );
} BitmapFileFunctionsRec, *BitmapFileFunctionsPtr;
/*
* the readers[] and renderers[] arrays must be in the same order,
* and also in the same order as scale[] and find_scale[] in bitscale.c
*
*/
static BitmapFileFunctionsRec readers[] = {
#if XFONT_PCFFORMAT
{ pcfReadFont, pcfReadFontInfo} ,
{ pcfReadFont, pcfReadFontInfo} ,
#ifdef X_GZIP_FONT_COMPRESSION
{ pcfReadFont, pcfReadFontInfo} ,
#endif
#endif
#if XFONT_SNFFORMAT
{ snfReadFont, snfReadFontInfo},
{ snfReadFont, snfReadFontInfo},
#ifdef X_GZIP_FONT_COMPRESSION
{ snfReadFont, snfReadFontInfo} ,
#endif
#endif
#if XFONT_BDFFORMAT
{ bdfReadFont, bdfReadFontInfo} ,
{ bdfReadFont, bdfReadFontInfo} ,
#ifdef X_GZIP_FONT_COMPRESSION
{ bdfReadFont, bdfReadFontInfo} ,
#endif
#endif
#if XFONT_PCFFORMAT
{ pmfReadFont, pcfReadFontInfo} ,
#endif
};
#define CAPABILITIES (CAP_MATRIX | CAP_CHARSUBSETTING)
static FontRendererRec renderers[] = {
#if XFONT_PCFFORMAT
{ ".pcf", 4, BitmapOpenBitmap, BitmapOpenScalable,
BitmapGetInfoBitmap, BitmapGetInfoScalable, 0,
CAPABILITIES },
{ ".pcf.Z", 6, BitmapOpenBitmap, BitmapOpenScalable,
BitmapGetInfoBitmap, BitmapGetInfoScalable, 0,
CAPABILITIES },
#ifdef X_GZIP_FONT_COMPRESSION
{ ".pcf.gz", 7,
BitmapOpenBitmap, BitmapOpenScalable,
BitmapGetInfoBitmap, BitmapGetInfoScalable, 0,
CAPABILITIES },
#endif
#endif
#if XFONT_SNFFORMAT
{ ".snf", 4, BitmapOpenBitmap, BitmapOpenScalable,
BitmapGetInfoBitmap, BitmapGetInfoScalable, 0,
CAPABILITIES },
{ ".snf.Z", 6, BitmapOpenBitmap, BitmapOpenScalable,
BitmapGetInfoBitmap, BitmapGetInfoScalable, 0,
CAPABILITIES },
#ifdef X_GZIP_FONT_COMPRESSION
{ ".snf.gz", 7, BitmapOpenBitmap, BitmapOpenScalable,
BitmapGetInfoBitmap, BitmapGetInfoScalable, 0,
CAPABILITIES },
#endif
#endif
#if XFONT_BDFFORMAT
{ ".bdf", 4, BitmapOpenBitmap, BitmapOpenScalable,
BitmapGetInfoBitmap, BitmapGetInfoScalable, 0,
CAPABILITIES },
{ ".bdf.Z", 6, BitmapOpenBitmap, BitmapOpenScalable,
BitmapGetInfoBitmap, BitmapGetInfoScalable, 0,
CAPABILITIES },
#ifdef X_GZIP_FONT_COMPRESSION
{ ".bdf.gz", 7, BitmapOpenBitmap, BitmapOpenScalable,
BitmapGetInfoBitmap, BitmapGetInfoScalable, 0,
CAPABILITIES },
#endif
#endif
#if XFONT_PCFFORMAT
{ ".pmf", 4, BitmapOpenBitmap, BitmapOpenScalable,
BitmapGetInfoBitmap, BitmapGetInfoScalable, 0,
CAPABILITIES }
#endif
};
int
BitmapOpenBitmap (FontPathElementPtr fpe, FontPtr *ppFont, int flags,
FontEntryPtr entry, char *fileName,
fsBitmapFormat format, fsBitmapFormatMask fmask,
FontPtr non_cachable_font) /* We don't do licensing */
{
FontFilePtr file;
FontPtr pFont;
int i;
int ret;
int bit,
byte,
glyph,
scan,
image;
i = BitmapGetRenderIndex(entry->u.bitmap.renderer);
file = FontFileOpen (fileName);
if (!file)
return BadFontName;
if (!(pFont = CreateFontRec())) {
fprintf(stderr, "Error: Couldn't allocate pFont (%ld)\n",
(unsigned long)sizeof(FontRec));
FontFileClose (file);
return AllocError;
}
/* set up default values */
FontDefaultFormat(&bit, &byte, &glyph, &scan);
/* get any changes made from above */
ret = CheckFSFormat(format, fmask, &bit, &byte, &scan, &glyph, &image);
/* Fill in font record. Data format filled in by reader. */
pFont->refcnt = 0;
ret = (*readers[i].ReadFont) (pFont, file, bit, byte, glyph, scan);
FontFileClose (file);
if (ret != Successful) {
xfree(pFont);
} else {
*ppFont = pFont;
}
return ret;
}
int
BitmapGetInfoBitmap (FontPathElementPtr fpe, FontInfoPtr pFontInfo,
FontEntryPtr entry, char *fileName)
{
FontFilePtr file;
int i;
int ret;
FontRendererPtr renderer;
renderer = FontFileMatchRenderer (fileName);
if (!renderer)
return BadFontName;
i = BitmapGetRenderIndex(renderer);
file = FontFileOpen (fileName);
if (!file)
return BadFontName;
ret = (*readers[i].ReadInfo) (pFontInfo, file);
FontFileClose (file);
return ret;
}
#define numRenderers (sizeof renderers / sizeof renderers[0])
void
BitmapRegisterFontFileFunctions (void)
{
int i;
for (i = 0; i < numRenderers; i++)
FontFileRegisterRenderer (&renderers[i]);
}
/*
* compute offset into renderers array - used to find the font reader,
* the font info reader, and the bitmap scaling routine. All users
* of this routine must be kept in step with the renderer array.
*/
int
BitmapGetRenderIndex(FontRendererPtr renderer)
{
return renderer - renderers;
}
|
