1 /* $XConsortium: XpmCrIFrBuf.c /main/2 1996/09/20 08:03:23 pascale $ */
2 /*
3 * Copyright (C) 1989-95 GROUPE BULL
4 *
5 * Permission is hereby granted, free of charge, to any person obtaining a copy
6 * of this software and associated documentation files (the "Software"), to
7 * deal in the Software without restriction, including without limitation the
8 * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
9 * sell copies of the Software, and to permit persons to whom the Software is
10 * furnished to do so, subject to the following conditions:
11 *
12 * The above copyright notice and this permission notice shall be included in
13 * all copies or substantial portions of the Software.
14 *
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
18 * GROUPE BULL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
19 * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
20 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
21 *
22 * Except as contained in this notice, the name of GROUPE BULL shall not be
23 * used in advertising or otherwise to promote the sale, use or other dealings
24 * in this Software without prior written authorization from GROUPE BULL.
25 */
26
27 /*****************************************************************************\
28 * CrIFrBuf.c: *
29 * *
30 * XPM library *
31 * Parse an Xpm buffer (file in memory) and create the image and possibly its *
32 * mask *
33 * Developed by Arnaud Le Hors *
34 \*****************************************************************************/
35
36 #ifdef HAVE_CONFIG_H
37 #include <config.h>
38 #endif
39
40
41 #include "XpmI.h"
42
43 LFUNC(OpenBuffer, void, (char *buffer, xpmData *mdata));
44
45 int
XpmCreateImageFromBuffer(display,buffer,image_return,shapeimage_return,attributes)46 XpmCreateImageFromBuffer(display, buffer, image_return,
47 shapeimage_return, attributes)
48 Display *display;
49 char *buffer;
50 XImage **image_return;
51 XImage **shapeimage_return;
52 XpmAttributes *attributes;
53 {
54 XpmImage image;
55 XpmInfo info;
56 int ErrorStatus;
57 xpmData mdata;
58
59 xpmInitXpmImage(&image);
60 xpmInitXpmInfo(&info);
61
62 /* open buffer to read */
63 OpenBuffer(buffer, &mdata);
64
65 /* create the XImage from the XpmData */
66 if (attributes) {
67 xpmInitAttributes(attributes);
68 xpmSetInfoMask(&info, attributes);
69 ErrorStatus = xpmParseDataAndCreate(display, &mdata,
70 image_return, shapeimage_return,
71 &image, &info, attributes);
72 } else
73 ErrorStatus = xpmParseDataAndCreate(display, &mdata,
74 image_return, shapeimage_return,
75 &image, NULL, attributes);
76 if (attributes) {
77 if (ErrorStatus >= 0) /* no fatal error */
78 xpmSetAttributes(attributes, &image, &info);
79 XpmFreeXpmInfo(&info);
80 }
81
82 /* free the XpmImage */
83 XpmFreeXpmImage(&image);
84
85 return (ErrorStatus);
86 }
87
88 int
XpmCreateXpmImageFromBuffer(buffer,image,info)89 XpmCreateXpmImageFromBuffer(buffer, image, info)
90 char *buffer;
91 XpmImage *image;
92 XpmInfo *info;
93 {
94 xpmData mdata;
95 int ErrorStatus;
96
97 /* init returned values */
98 xpmInitXpmImage(image);
99 xpmInitXpmInfo(info);
100
101 /* open buffer to read */
102 OpenBuffer(buffer, &mdata);
103
104 /* create the XpmImage from the XpmData */
105 ErrorStatus = xpmParseData(&mdata, image, info);
106
107 return (ErrorStatus);
108 }
109
110 /*
111 * open the given buffer to be read or written as an xpmData which is returned
112 */
113 static void
OpenBuffer(buffer,mdata)114 OpenBuffer(buffer, mdata)
115 char *buffer;
116 xpmData *mdata;
117 {
118 mdata->type = XPMBUFFER;
119 mdata->cptr = buffer;
120 mdata->CommentLength = 0;
121 }
122