mirror of https://github.com/opencv/opencv.git
Open Source Computer Vision Library
https://opencv.org/
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
108 lines
3.5 KiB
108 lines
3.5 KiB
#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
|
|
|