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/*M///////////////////////////////////////////////////////////////////////////////////////
//
// IMPORTANT: READ BEFORE DOWNLOADING, COPYING, INSTALLING OR USING.
//
// By downloading, copying, installing or using the software you agree to this license.
// If you do not agree to this license, do not download, install,
// copy or use the software.
//
//
// Intel License Agreement
// For Open Source Computer Vision Library
//
// Copyright (C) 2000, Intel Corporation, all rights reserved.
// Third party copyrights are property of their respective owners.
//
// Redistribution and use in source and binary forms, with or without modification,
// are permitted provided that the following conditions are met:
//
// * Redistribution's of source code must retain the above copyright notice,
// this list of conditions and the following disclaimer.
//
// * Redistribution's 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.
//
// * The name of Intel Corporation may not 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 Intel Corporation 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.
//
//M*/
#ifndef __GRFMT_GDAL_HPP__
#define __GRFMT_GDAL_HPP__
/// OpenCV FMT Base Type
#include "grfmt_base.hpp"
/// Macro to make sure we specified GDAL in CMake
#ifdef HAVE_GDAL
/// C++ Libraries
#include <iostream>
/// Geospatial Data Abstraction Library
#include <cpl_conv.h>
#include <gdal_priv.h>
#include <gdal.h>
/// Start of CV Namespace
namespace cv {
/**
* Convert GDAL Pixel Range to OpenCV Pixel Range
*/
double range_cast( const GDALDataType& gdalType,
const int& cvDepth,
const double& value );
/**
* Convert GDAL Palette Interpretation to OpenCV Pixel Type
*/
int gdalPaletteInterpretation2OpenCV( GDALPaletteInterp const& paletteInterp,
GDALDataType const& gdalType );
/**
* Convert a GDAL Raster Type to OpenCV Type
*/
int gdal2opencv( const GDALDataType& gdalType, const int& channels );
/**
* Write an image to pixel
*/
void write_pixel( const double& pixelValue,
GDALDataType const& gdalType,
const int& gdalChannels,
Mat& image,
const int& row,
const int& col,
const int& channel );
/**
* Write a color table pixel to the image
*/
void write_ctable_pixel( const double& pixelValue,
const GDALDataType& gdalType,
const GDALColorTable* gdalColorTable,
Mat& image,
const int& y,
const int& x,
const int& c );
/**
* Loader for GDAL
*/
class GdalDecoder CV_FINAL : public BaseImageDecoder{
public:
/**
* Default Constructor
*/
GdalDecoder();
/**
* Destructor
*/
~GdalDecoder() CV_OVERRIDE;
/**
* Read image data
*/
bool readData( Mat& img ) CV_OVERRIDE;
/**
* Read the image header
*/
bool readHeader() CV_OVERRIDE;
/**
* Close the module
*/
void close();
/**
* Create a new decoder
*/
ImageDecoder newDecoder() const CV_OVERRIDE;
/**
* Test the file signature
*
* In general, this should be avoided as the user should specifically request GDAL.
* The reason is that GDAL tends to overlap with other image formats and it is probably
* safer to use other formats first.
*/
virtual bool checkSignature( const String& signature ) const CV_OVERRIDE;
protected:
/// GDAL Dataset
GDALDataset* m_dataset;
/// GDAL Driver
GDALDriver* m_driver;
/// Check if we are reading from a color table
bool hasColorTable;
}; /// End of GdalDecoder Class
} /// End of Namespace cv
#endif/*HAVE_GDAL*/
#endif/*__GRFMT_GDAL_HPP__*/