00001 /* 00002 * Copyright (c) 2012, Willow Garage, Inc. 00003 * All rights reserved. 00004 * 00005 * Redistribution and use in source and binary forms, with or without 00006 * modification, are permitted provided that the following conditions are met: 00007 * 00008 * * Redistributions of source code must retain the above copyright 00009 * notice, this list of conditions and the following disclaimer. 00010 * * Redistributions in binary form must reproduce the above copyright 00011 * notice, this list of conditions and the following disclaimer in the 00012 * documentation and/or other materials provided with the distribution. 00013 * * Neither the name of the Willow Garage, Inc. nor the names of its 00014 * contributors may be used to endorse or promote products derived from 00015 * this software without specific prior written permission. 00016 * 00017 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 00018 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 00019 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 00020 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 00021 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 00022 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 00023 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 00024 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 00025 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 00026 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 00027 * POSSIBILITY OF SUCH DAMAGE. 00028 */ 00029 00030 #ifndef RESOURCE_RETRIEVING_H_ 00031 #define RESOURCE_RETRIEVING_H_ 00032 00033 #include <QPixmap> 00034 #include <QCursor> 00035 #include <QString> 00036 00037 namespace rviz 00038 { 00039 00040 // Helper functions to load resources based on their resource url, 00041 // e.g. "package://rviz/icons/package.png", 00042 // or "file:///home/user/.ros/config.yaml". 00043 00044 /* @brief Try to load the pixmap url from disk or the cache. 00045 * In case of a failure, the result will be an empty QPixmap. 00046 * If fill_cache is set to true (default), the image will be 00047 * stored in the cache after loading it from disk. 00048 */ 00049 QPixmap loadPixmap( QString url, bool fill_cache=true ); 00050 00051 QCursor getDefaultCursor( bool fill_cache=true ); 00052 00053 QCursor makeIconCursor( QString icon_url, bool fill_cache=true ); 00054 00055 QCursor makeIconCursor( QPixmap icon, QString cache_key="", bool fill_cache=true ); 00056 00057 00058 } 00059 00060 00061 #endif /* RESOURCE_RETRIEVING_H_ */