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Open Source Computer Vision Library
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117 lines
3.7 KiB
117 lines
3.7 KiB
/////////////////////////////////////////////////////////////////////////// |
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// |
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// Copyright (c) 2006, Industrial Light & Magic, a division of Lucas |
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// Digital Ltd. LLC |
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// |
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// All rights reserved. |
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// |
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// Redistribution and use in source and binary forms, with or without |
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// modification, are permitted provided that the following conditions are |
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// met: |
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// * Redistributions of source code must retain the above copyright |
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// notice, this list of conditions and the following disclaimer. |
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// * Redistributions in binary form must reproduce the above |
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// copyright notice, this list of conditions and the following disclaimer |
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// in the documentation and/or other materials provided with the |
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// distribution. |
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// * Neither the name of Industrial Light & Magic nor the names of |
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// its contributors may be used to endorse or promote products derived |
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// from this software without specific prior written permission. |
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// |
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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// |
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/////////////////////////////////////////////////////////////////////////// |
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#ifndef INCLUDED_IMF_B44_COMPRESSOR_H |
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#define INCLUDED_IMF_B44_COMPRESSOR_H |
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//----------------------------------------------------------------------------- |
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// |
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// class B44Compressor -- lossy compression of 4x4 pixel blocks |
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// |
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//----------------------------------------------------------------------------- |
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#include <ImfCompressor.h> |
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namespace Imf { |
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class ChannelList; |
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class B44Compressor: public Compressor |
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{ |
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public: |
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B44Compressor (const Header &hdr, |
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size_t maxScanLineSize, |
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size_t numScanLines, |
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bool optFlatFields); |
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virtual ~B44Compressor (); |
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virtual int numScanLines () const; |
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virtual Format format () const; |
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virtual int compress (const char *inPtr, |
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int inSize, |
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int minY, |
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const char *&outPtr); |
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virtual int compressTile (const char *inPtr, |
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int inSize, |
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Imath::Box2i range, |
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const char *&outPtr); |
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virtual int uncompress (const char *inPtr, |
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int inSize, |
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int minY, |
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const char *&outPtr); |
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virtual int uncompressTile (const char *inPtr, |
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int inSize, |
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Imath::Box2i range, |
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const char *&outPtr); |
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private: |
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struct ChannelData; |
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int compress (const char *inPtr, |
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int inSize, |
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Imath::Box2i range, |
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const char *&outPtr); |
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int uncompress (const char *inPtr, |
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int inSize, |
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Imath::Box2i range, |
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const char *&outPtr); |
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int _maxScanLineSize; |
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bool _optFlatFields; |
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Format _format; |
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int _numScanLines; |
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unsigned short * _tmpBuffer; |
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char * _outBuffer; |
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int _numChans; |
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const ChannelList & _channels; |
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ChannelData * _channelData; |
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int _minX; |
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int _maxX; |
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int _maxY; |
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}; |
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} // namespace Imf |
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#endif
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