diff options
Diffstat (limited to 'libXpm/src/Info.c')
| -rw-r--r-- | libXpm/src/Info.c | 125 |
1 files changed, 125 insertions, 0 deletions
diff --git a/libXpm/src/Info.c b/libXpm/src/Info.c new file mode 100644 index 000000000..e975a6dce --- /dev/null +++ b/libXpm/src/Info.c @@ -0,0 +1,125 @@ +/* + * 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(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(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( + 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( + 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; + } +} |