/* $XConsortium: XpmInfo.c /main/2 1996/09/20 08:12:43 pascale $ */

/*

 * Copyright (C) 1989-95 GROUPE BULL

 *

 * Permission is hereby granted, free of charge, to any person obtaining a copy

 * of this software and associated documentation files (the "Software"), to

 * deal in the Software without restriction, including without limitation the

 * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or

 * sell copies of the Software, and to permit persons to whom the Software is

 * furnished to do so, subject to the following conditions:

 *

 * The above copyright notice and this permission notice shall be included in

 * all copies or substantial portions of the Software.

 *

 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR

 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,

 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL

 * GROUPE BULL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN

 * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN

 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

 *

 * Except as contained in this notice, the name of GROUPE BULL shall not be

 * used in advertising or otherwise to promote the sale, use or other dealings

 * in this Software without prior written authorization from GROUPE BULL.

 */

/*****************************************************************************\

*  Info.c:                                                                    *

*                                                                             *

*  XPM library                                                                *

*  Functions related to the XpmInfo structure.                                *

*                                                                             *

*  Developed by Arnaud Le Hors                                                *

\*****************************************************************************/

#ifdef HAVE_CONFIG_H

#include <config.h>

#endif

#include "XpmI.h"

/*

 * Init returned data to free safely later on

 */

void

xpmInitXpmInfo(info)

    XpmInfo *info;

{

    if (info) {

	info->hints_cmt = NULL;

	info->colors_cmt = NULL;

	info->pixels_cmt = NULL;

	info->extensions = NULL;

	info->nextensions = 0;

    }

}

/*

 * Free the XpmInfo data which have been allocated

 */

void

XpmFreeXpmInfo(info)

    XpmInfo *info;

{

    if (info) {

	if (info->valuemask & XpmComments) {

	    if (info->hints_cmt) {

		XpmFree(info->hints_cmt);

		info->hints_cmt = NULL;

	    }

	    if (info->colors_cmt) {

		XpmFree(info->colors_cmt);

		info->colors_cmt = NULL;

	    }

	    if (info->pixels_cmt) {

		XpmFree(info->pixels_cmt);

		info->pixels_cmt = NULL;

	    }

	}

	if (info->valuemask & XpmReturnExtensions && info->nextensions) {

	    XpmFreeExtensions(info->extensions, info->nextensions);

	    info->extensions = NULL;

	    info->nextensions = 0;

	}

	info->valuemask = 0;

    }

}

/*

 * Set the XpmInfo valuemask to retrieve required info

 */

void

xpmSetInfoMask(info, attributes)

    XpmInfo *info;

    XpmAttributes *attributes;

{

    info->valuemask = 0;

    if (attributes->valuemask & XpmReturnInfos)

	info->valuemask |= XpmReturnComments;

    if (attributes->valuemask & XpmReturnExtensions)

	info->valuemask |= XpmReturnExtensions;

}

/*

 * Fill in the XpmInfo with the XpmAttributes

 */

void

xpmSetInfo(info, attributes)

    XpmInfo *info;

    XpmAttributes *attributes;

{

    info->valuemask = 0;

    if (attributes->valuemask & XpmInfos) {

	info->valuemask |= XpmComments | XpmColorTable;

	info->hints_cmt = attributes->hints_cmt;

	info->colors_cmt = attributes->colors_cmt;

	info->pixels_cmt = attributes->pixels_cmt;

    }

    if (attributes->valuemask & XpmExtensions) {

	info->valuemask |= XpmExtensions;

	info->extensions = attributes->extensions;

	info->nextensions = attributes->nextensions;

    }

    if (attributes->valuemask & XpmHotspot) {

	info->valuemask |= XpmHotspot;

	info->x_hotspot = attributes->x_hotspot;

	info->y_hotspot = attributes->y_hotspot;

    }

}