/* $XConsortium: GetPixData.c /main/6 1995/10/25 20:05:46 cde-sun $ */ /* * Motif * * Copyright (c) 1987-2012, The Open Group. All rights reserved. * * These libraries and programs are free software; you can * redistribute them and/or modify them under the terms of the GNU * Lesser General Public License as published by the Free Software * Foundation; either version 2 of the License, or (at your option) * any later version. * * These libraries and programs are distributed in the hope that * they will be useful, but WITHOUT ANY WARRANTY; without even the * implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR * PURPOSE. See the GNU Lesser General Public License for more * details. * * You should have received a copy of the GNU Lesser General Public * License along with these librararies and programs; if not, write * to the Free Software Foundation, Inc., 51 Franklin Street, Fifth * Floor, Boston, MA 02110-1301 USA * */ /* * HISTORY */ #ifdef HAVE_CONFIG_H #include #endif #include #include "ImageCachI.h" #include "XmI.h" /******************************************************************* * * XmeGetPixmapData. * see if this pixmap is in the cache. If it is then return all the * gory details about it. If not put it in the cache first. * The RETURN pointers can be NULL. * This function never fails (unless pixmap bad id) and always returns * valid information for depth, with, height, etc . * It returns True if the pixmap was in the cache to start with * and True if it had to fetch it to the server first. * *******************************************************************/ Boolean XmeGetPixmapData( Screen *screen, Pixmap pixmap, char **image_name, int *depth, Pixel *foreground, Pixel *background, int *hot_x, int *hot_y, unsigned int *width, unsigned int *height) { char *loc_image_name; int loc_depth; Pixel loc_foreground; Pixel loc_background; int loc_hot_x; int loc_hot_y; unsigned int loc_width = 0; unsigned int loc_height; XtAppContext app; app = XtDisplayToApplicationContext(DisplayOfScreen(screen)); _XmAppLock(app); /* support passed NULL argument */ if (!image_name) image_name = &loc_image_name ; if (!depth) depth = &loc_depth ; if (!background) background = &loc_background ; if (!foreground) foreground = &loc_foreground ; if (!hot_x) hot_x = &loc_hot_x ; if (!hot_y) hot_y = &loc_hot_y ; if (!width) width = &loc_width ; if (!height) height = &loc_height ; if (_XmGetPixmapData(screen, pixmap, image_name, depth, foreground, background, hot_x, hot_y, width, height)) { _XmAppUnlock(app); return True ; } /* not in the cache, generate an incomplete entry in the pixmap cache */ /* Use a magic name, which will have _XmCachePixmap not cache this one in the pixmap_data name based cache */ if (_XmCachePixmap(pixmap, screen, DIRECT_PIXMAP_CACHED, 1, 0, 0, 0, 0)) { /* and query again */ _XmGetPixmapData(screen, pixmap, image_name, depth, foreground, background, hot_x, hot_y, width, height); } _XmAppUnlock(app); return (False); }