CrIFrBuf.c revision a966c04f 
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(display, buffer, image_return,
44			 shapeimage_return, attributes)
45    Display *display;
46    char *buffer;
47    XImage **image_return;
48    XImage **shapeimage_return;
49    XpmAttributes *attributes;
50{
51    XpmImage image;
52    XpmInfo info;
53    int ErrorStatus;
54    xpmData mdata;
55
56    xpmInitXpmImage(&image);
57    xpmInitXpmInfo(&info);
58
59    /* open buffer to read */
60    OpenBuffer(buffer, &mdata);
61
62    /* create the XImage from the XpmData */
63    if (attributes) {
64	xpmInitAttributes(attributes);
65	xpmSetInfoMask(&info, attributes);
66	ErrorStatus = xpmParseDataAndCreate(display, &mdata,
67					    image_return, shapeimage_return,
68					    &image, &info, attributes);
69    } else
70	ErrorStatus = xpmParseDataAndCreate(display, &mdata,
71					    image_return, shapeimage_return,
72					    &image, NULL, attributes);
73    if (attributes) {
74	if (ErrorStatus >= 0)		/* no fatal error */
75	    xpmSetAttributes(attributes, &image, &info);
76	XpmFreeXpmInfo(&info);
77    }
78
79    /* free the XpmImage */
80    XpmFreeXpmImage(&image);
81
82    return (ErrorStatus);
83}
84
85int
86XpmCreateXpmImageFromBuffer(buffer, image, info)
87    char *buffer;
88    XpmImage *image;
89    XpmInfo *info;
90{
91    xpmData mdata;
92    int ErrorStatus;
93
94    /* init returned values */
95    xpmInitXpmImage(image);
96    xpmInitXpmInfo(info);
97
98    /* open buffer to read */
99    OpenBuffer(buffer, &mdata);
100
101    /* create the XpmImage from the XpmData */
102    ErrorStatus = xpmParseData(&mdata, image, info);
103
104    return (ErrorStatus);
105}
106
107/*
108 * open the given buffer to be read or written as an xpmData which is returned
109 */
110static void
111OpenBuffer(buffer, mdata)
112    char *buffer;
113    xpmData *mdata;
114{
115    mdata->type = XPMBUFFER;
116    mdata->cptr = buffer;
117    mdata->CommentLength = 0;
118}
119