00001
00002 /***************************************************************************
00003  *  imagedecompressor.cpp - image de-compressor interface
00004  *
00005  *  Created: Tue Nov 13 10:54:03 2007
00006  *  Copyright  2005-2007  Tim Niemueller [www.niemueller.de]
00007  *
00008  ****************************************************************************/
00009
00010 /*  This program is free software; you can redistribute it and/or modify
00011  *  it under the terms of the GNU General Public License as published by
00012  *  the Free Software Foundation; either version 2 of the License, or
00013  *  (at your option) any later version. A runtime exception applies to
00014  *  this software (see LICENSE.GPL_WRE file mentioned below for details).
00015  *
00016  *  This program is distributed in the hope that it will be useful,
00017  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
00018  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00019  *  GNU Library General Public License for more details.
00020  *
00021  *  Read the full text in the LICENSE.GPL_WRE file in the doc directory.
00022  */
00023
00024 #include <fvutils/compression/imagedecompressor.h>
00025 
00026 /** @class ImageDecompressor <fvutils/compression/imagedecompressor.h>
00027  * Image de-compressor interface.
00028  * Currently only decompressing from memory to memory is supported.
00029  * @author Tim Niemueller
00030  *
00031  * @fn void ImageDecompressor::decompress()
00032  * Decompress image.
00033  */
00034 
00035 /** @var int ImageDecompressor::_width
00036  * Width of image in pixels
00037  */
00038 
00039 /** @var int ImageDecompressor::_height
00040  * Height of image in pixels
00041  */
00042 
00043 /** @var int ImageDecompressor::_compressed_buffer
00044  * Buffer containing the compressed image
00045  */
00046 
00047 /** @var int ImageDecompressor::_compressed_buffer_size
00048  * Size in bytes of _compressed_buffer
00049  */
00050 
00051 /** @var int ImageDecompressor::_decompressed_buffer
00052  * Buffer containing the decompressed image after decompression
00053  */
00054 
00055 /** @var int ImageDecompressor::_decompressed_buffer_size
00056  * Size in bytes of _decompressed_buffer
00057  */
00058
00059 
00060 /** Virtual empty destructor. */
00061 ImageDecompressor::~ImageDecompressor()
00062 {
00063 }
00064
00065 
00066 /** Set image dimensions.
00067  * @param width width of image in pixels
00068  * @param height height of image in pixels
00069  */
00070 void
00071 ImageDecompressor::set_image_dimensions(unsigned int width, unsigned int height)
00072 {
00073   _width  = width;
00074   _height = height;
00075 }
00076
00077 
00078 /** Set compressed buffer.
00079  * @param buf buffer
00080  * @param buf_size size of buffer in bytes
00081  */
00082 void
00083 ImageDecompressor::set_compressed_buffer(unsigned char *buf, unsigned int buf_size)
00084 {
00085   _compressed_buffer = buf;
00086   _compressed_buffer_size = buf_size;
00087 }
00088
00089 
00090 /** Set decompressed buffer.
00091  * @param buf decompressed buffer
00092  * @param buf_size buffer size
00093  */
00094 void
00095 ImageDecompressor::set_decompressed_buffer(unsigned char *buf, unsigned int buf_size)
00096 {
00097   _decompressed_buffer = buf;
00098   _decompressed_buffer_size = buf_size;
00099 }