src/xpm/crifrbuf.c

   1 /*
   2  * Copyright (C) 1989-94 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 * XpmCrIFrBuf.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 #include "xpm34p.h"
  36
  37 int
  38 XpmCreateImageFromBuffer(Display *display, char *buffer, XImage **image_return,
  39                          XImage **shapeimage_return, XpmAttributes *attributes)
  40 {
  41     XpmImage image;
  42     XpmInfo info;
  43     int ErrorStatus;
  44
  45     /* create an XpmImage from the buffer */
  46     if (attributes) {
  47         xpmInitAttributes(attributes);
  48         xpmSetInfoMask(&info, attributes);
  49         ErrorStatus = XpmCreateXpmImageFromBuffer(buffer, &image, &info);
  50     } else
  51         ErrorStatus = XpmCreateXpmImageFromBuffer(buffer, &image, NULL);
  52
  53     if (ErrorStatus != XpmSuccess)
  54         return (ErrorStatus);
  55
  56     /* create the related ximages */
  57     ErrorStatus = XpmCreateImageFromXpmImage(display, &image,
  58                                              image_return, shapeimage_return,
  59                                              attributes);
  60     if (attributes) {
  61         if (ErrorStatus >= 0)           /* no fatal error */
  62             xpmSetAttributes(attributes, &image, &info);
  63         XpmFreeXpmInfo(&info);
  64     }
  65     /* free the XpmImage */
  66     XpmFreeXpmImage(&image);
  67
  68     return (ErrorStatus);
  69 }
  70
  71 int
  72 XpmCreateXpmImageFromBuffer(char *buffer, XpmImage *image, XpmInfo *info)
  73 {
  74     xpmData mdata;
  75     int ErrorStatus;
  76
  77     /* init returned values */
  78     xpmInitXpmImage(image);
  79     xpmInitXpmInfo(info);
  80
  81     /* open buffer to read */
  82     xpmOpenBuffer(buffer, &mdata);
  83
  84     /* create the XpmImage from the XpmData */
  85     ErrorStatus = xpmParseData(&mdata, image, info);
  86
  87     xpmDataClose(&mdata);
  88
  89     return (ErrorStatus);
  90 }