src/xpm/imagexpm.c

   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 *  Image.c:                                                                   *
  28 *                                                                             *
  29 *  XPM library                                                                *
  30 *  Functions to init and free the XpmImage structure.                         *
  31 *                                                                             *
  32 *  Developed by Arnaud Le Hors                                                *
  33 \*****************************************************************************/
  34
  35 #include "XpmI.h"
  36
  37 /*
  38  * Init returned data to free safely later on
  39  */
  40 void
  41 xpmInitXpmImage(image)
  42     XpmImage *image;
  43 {
  44     image->ncolors = 0;
  45     image->colorTable = NULL;
  46     image->data = NULL;
  47 }
  48
  49 /*
  50  * Free the XpmImage data which have been allocated
  51  */
  52 void
  53 XpmFreeXpmImage(image)
  54     XpmImage *image;
  55 {
  56     if (image->colorTable)
  57         xpmFreeColorTable(image->colorTable, image->ncolors);
  58     if (image->data)
  59         XpmFree(image->data);
  60     image->data = NULL;
  61 }