00001 /* 00002 * wave-image.h 00003 * 00004 * Copyright (C) 2009 Thomas A. Vaughan 00005 * All rights reserved. 00006 * 00007 * 00008 * Redistribution and use in source and binary forms, with or without 00009 * modification, are permitted provided that the following conditions are met: 00010 * * Redistributions of source code must retain the above copyright 00011 * notice, this list of conditions and the following disclaimer. 00012 * * Redistributions in binary form must reproduce the above copyright 00013 * notice, this list of conditions and the following disclaimer in the 00014 * documentation and/or other materials provided with the distribution. 00015 * * Neither the name of the <organization> nor the 00016 * names of its contributors may be used to endorse or promote products 00017 * derived from this software without specific prior written permission. 00018 * 00019 * THIS SOFTWARE IS PROVIDED BY THOMAS A. VAUGHAN ''AS IS'' AND ANY 00020 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 00021 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 00022 * DISCLAIMED. IN NO EVENT SHALL THOMAS A. VAUGHAN BE LIABLE FOR ANY 00023 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 00024 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 00025 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND 00026 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 00027 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 00028 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 00029 * 00030 * 00031 * Basic 2D image support. 00032 */ 00033 00034 #ifndef WAVEPACKET_IMAGE_H__ 00035 #define WAVEPACKET_IMAGE_H__ 00036 00037 // includes -------------------------------------------------------------------- 00038 #include "image-base/image-base.h" // declares the media::image_t struct 00039 00040 00041 00042 namespace media { 00043 00044 /// \ingroup media 00045 /*@{*/ 00046 00047 //////////////////////////////////////////////////////////////////////////////// 00048 /// 00049 /// \defgroup wave_image Image Library 00050 /// 00051 /// This is a basic library for the reading (not necessarily writing!) of 00052 /// images. 00053 /// 00054 /// This library just declares a generic image type, which is common to all 00055 /// formats (JPG, PNG, BMP, etc.). Callers can use this API to read images. 00056 /// 00057 /// The main use case is to call loadImage() with a path, and then 00058 /// this library will load the image and return it to you. Then you can work 00059 /// with the generic image_t object, regardless of the actual format of the 00060 /// persisted image. 00061 /// 00062 /// For instance, if you want to load an image from a local file, you would 00063 /// use code like this: 00064 /// \code 00065 /// 00066 /// smart_ptr<nstream::Manager> fsManager = 00067 /// nstream::getFilesystemManager("/my/home/directory"); 00068 /// 00069 /// media::image_t image; 00070 /// if (!media::loadImage(fsManager, "some/cool/image.jpg", image)) { 00071 /// throw "I couldn't load the image!"; 00072 /// } 00073 /// 00074 /// std::cout << "I just read an image that is " << image.width; 00075 /// std::cout << " pixels wide.\n"; 00076 /// 00077 /// \endcode 00078 /// 00079 //////////////////////////////////////////////////////////////////////////////// 00080 /*@{*/ 00081 00082 00083 /// use this nstream-based routine to load images (see \ref nstream). 00084 bool loadImage(IN nstream::Manager * mgr, 00085 IN const char * name, 00086 OUT image_t& image); 00087 00088 00089 }; // media namespace 00090 00091 00092 00093 #endif // WAVEPACKET_IMAGE_H__ 00094