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// License Agreement
// For Open Source Computer Vision Library
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//M*/
#ifndef _GRFMT_EXR_H_
#define _GRFMT_EXR_H_
#ifdef HAVE_OPENEXR
#if defined __GNUC__ && defined __APPLE__
# pragma GCC diagnostic ignored "-Wshadow"
#endif
#include <ImfChromaticities.h>
#include <ImfInputFile.h>
#include <ImfChannelList.h>
#include <ImathBox.h>
#include "grfmt_base.hpp"
namespace cv
{
using namespace Imf;
using namespace Imath;
/* libpng version only */
class ExrDecoder : public BaseImageDecoder
{
public:
ExrDecoder();
~ExrDecoder();
int type() const;
bool readData( Mat& img );
bool readHeader();
void close();
ImageDecoder newDecoder() const;
protected:
void UpSample( uchar *data, int xstep, int ystep, int xsample, int ysample );
void UpSampleX( float *data, int xstep, int xsample );
void UpSampleY( uchar *data, int xstep, int ystep, int ysample );
void ChromaToBGR( float *data, int numlines, int step );
void RGBToGray( float *in, float *out );
InputFile *m_file;
Imf::PixelType m_type;
Box2i m_datawindow;
bool m_ischroma;
const Channel *m_red;
const Channel *m_green;
const Channel *m_blue;
Chromaticities m_chroma;
int m_bit_depth;
bool m_native_depth;
bool m_iscolor;
bool m_isfloat;
};
class ExrEncoder : public BaseImageEncoder
{
public:
ExrEncoder();
~ExrEncoder();
bool isFormatSupported( int depth ) const;
bool write( const Mat& img, const std::vector<int>& params );
ImageEncoder newEncoder() const;
};
}
#endif
#endif/*_GRFMT_EXR_H_*/