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
40LFUNC(OpenBuffer, void, (char *buffer, xpmData *mdata));
41
42int
43XpmCreateImageFromBuffer(
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
84int
85XpmCreateXpmImageFromBuffer(
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 */
109static void
110OpenBuffer(
111    char	*buffer,
112    xpmData	*mdata)
113{
114    mdata->type = XPMBUFFER;
115    mdata->cptr = buffer;
116    mdata->CommentLength = 0;
117}
118