1 /*
2 * Copyright (C) 1989-95 GROUPE BULL
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a copy
5 * of this software and associated documentation files (the "Software"), to
6 * deal in the Software without restriction, including without limitation the
7 * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
8 * sell copies of the Software, and to permit persons to whom the Software is
9 * furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
13 *
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
17 * GROUPE BULL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
18 * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
19 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
20 *
21 * Except as contained in this notice, the name of GROUPE BULL shall not be
22 * used in advertising or otherwise to promote the sale, use or other dealings
23 * in this Software without prior written authorization from GROUPE BULL.
24 */
25
26 /*****************************************************************************\
27 * CrIFrBuf.c: *
28 * *
29 * XPM library *
30 * Parse an Xpm buffer (file in memory) and create the image and possibly its *
31 * mask *
32 * Developed by Arnaud Le Hors *
33 \*****************************************************************************/
34
35 #ifdef HAVE_CONFIG_H
36 #include <config.h>
37 #endif
38 #include "XpmI.h"
39
40 LFUNC(OpenBuffer, void, (char *buffer, xpmData *mdata));
41
42 int
XpmCreateImageFromBuffer(Display * display,char * buffer,XImage ** image_return,XImage ** shapeimage_return,XpmAttributes * attributes)43 XpmCreateImageFromBuffer(
44 Display *display,
45 char *buffer,
46 XImage **image_return,
47 XImage **shapeimage_return,
48 XpmAttributes *attributes)
49 {
50 XpmImage image;
51 XpmInfo info;
52 int ErrorStatus;
53 xpmData mdata;
54
55 xpmInitXpmImage(&image);
56 xpmInitXpmInfo(&info);
57
58 /* open buffer to read */
59 OpenBuffer(buffer, &mdata);
60
61 /* create the XImage from the XpmData */
62 if (attributes) {
63 xpmInitAttributes(attributes);
64 xpmSetInfoMask(&info, attributes);
65 ErrorStatus = xpmParseDataAndCreate(display, &mdata,
66 image_return, shapeimage_return,
67 &image, &info, attributes);
68 } else
69 ErrorStatus = xpmParseDataAndCreate(display, &mdata,
70 image_return, shapeimage_return,
71 &image, NULL, attributes);
72 if (attributes) {
73 if (ErrorStatus >= 0) /* no fatal error */
74 xpmSetAttributes(attributes, &image, &info);
75 XpmFreeXpmInfo(&info);
76 }
77
78 /* free the XpmImage */
79 XpmFreeXpmImage(&image);
80
81 return (ErrorStatus);
82 }
83
84 int
XpmCreateXpmImageFromBuffer(char * buffer,XpmImage * image,XpmInfo * info)85 XpmCreateXpmImageFromBuffer(
86 char *buffer,
87 XpmImage *image,
88 XpmInfo *info)
89 {
90 xpmData mdata;
91 int ErrorStatus;
92
93 /* init returned values */
94 xpmInitXpmImage(image);
95 xpmInitXpmInfo(info);
96
97 /* open buffer to read */
98 OpenBuffer(buffer, &mdata);
99
100 /* create the XpmImage from the XpmData */
101 ErrorStatus = xpmParseData(&mdata, image, info);
102
103 return (ErrorStatus);
104 }
105
106 /*
107 * open the given buffer to be read or written as an xpmData which is returned
108 */
109 static void
OpenBuffer(char * buffer,xpmData * mdata)110 OpenBuffer(
111 char *buffer,
112 xpmData *mdata)
113 {
114 mdata->type = XPMBUFFER;
115 mdata->cptr = buffer;
116 mdata->CommentLength = 0;
117 }
118