#ifndef INCLUDED_IMF_PXR24_COMPRESSOR_H #define INCLUDED_IMF_PXR24_COMPRESSOR_H ///////////////////////////////////////////////////////////////////////////// // // Copyright (c) 2004, Pixar Animation Studios // // All rights reserved. // // Redistribution and use in source and binary forms, with or without // modification, are permitted provided that the following conditions are // met: // * Redistributions of source code must retain the above copyright // notice, this list of conditions and the following disclaimer. // * Redistributions in binary form must reproduce the above // copyright notice, this list of conditions and the following disclaimer // in the documentation and/or other materials provided with the // distribution. // * Neither the name of Pixar Animation Studios nor the names of // its contributors may be used to endorse or promote products derived // from this software without specific prior written permission. // // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. // ///////////////////////////////////////////////////////////////////////////// //----------------------------------------------------------------------------- // // class Pxr24Compressor -- Loren Carpenter's 24-bit float compressor // //----------------------------------------------------------------------------- #include <ImfCompressor.h> namespace Imf { class ChannelList; class Pxr24Compressor: public Compressor { public: Pxr24Compressor (const Header &hdr, size_t maxScanLineSize, size_t numScanLines); virtual ~Pxr24Compressor (); virtual int numScanLines () const; virtual Format format () const; virtual int compress (const char *inPtr, int inSize, int minY, const char *&outPtr); virtual int compressTile (const char *inPtr, int inSize, Imath::Box2i range, const char *&outPtr); virtual int uncompress (const char *inPtr, int inSize, int minY, const char *&outPtr); virtual int uncompressTile (const char *inPtr, int inSize, Imath::Box2i range, const char *&outPtr); private: int compress (const char *inPtr, int inSize, Imath::Box2i range, const char *&outPtr); int uncompress (const char *inPtr, int inSize, Imath::Box2i range, const char *&outPtr); int _maxScanLineSize; int _numScanLines; unsigned char * _tmpBuffer; char * _outBuffer; const ChannelList & _channels; int _minX; int _maxX; int _maxY; }; } // namespace Imf #endif