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/*M///////////////////////////////////////////////////////////////////////////////////////
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//
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// IMPORTANT: READ BEFORE DOWNLOADING, COPYING, INSTALLING OR USING.
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//
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// By downloading, copying, installing or using the software you agree to this license.
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// If you do not agree to this license, do not download, install,
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// copy or use the software.
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//
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//
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// Intel License Agreement
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// For Open Source Computer Vision Library
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//
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// Copyright (C) 2000, Intel Corporation, all rights reserved.
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// Third party copyrights are property of their respective owners.
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//
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// Redistribution and use in source and binary forms, with or without modification,
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// are permitted provided that the following conditions are met:
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//
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// * Redistribution's of source code must retain the above copyright notice,
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// this list of conditions and the following disclaimer.
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//
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// * Redistribution's in binary form must reproduce the above copyright notice,
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// this list of conditions and the following disclaimer in the documentation
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// and/or other materials provided with the distribution.
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//
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// * The name of Intel Corporation may not be used to endorse or promote products
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// derived 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 "as is" and
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// any express or implied warranties, including, but not limited to, the implied
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// warranties of merchantability and fitness for a particular purpose are disclaimed.
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// In no event shall the Intel Corporation or contributors be liable for any direct,
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// indirect, incidental, special, exemplary, or consequential damages
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// (including, but not limited to, procurement of substitute goods or services;
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// loss of use, data, or profits; or business interruption) however caused
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// and on any theory of liability, whether in contract, strict liability,
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// or tort (including negligence or otherwise) arising in any way out of
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// the use of this software, even if advised of the possibility of such damage.
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//
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//M*/
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#ifndef __GRFMT_GDAL_HPP__
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#define __GRFMT_GDAL_HPP__
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/// OpenCV FMT Base Type
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#include "grfmt_base.hpp"
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/// Macro to make sure we specified GDAL in CMake
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#ifdef HAVE_GDAL
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/// C++ Libraries
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#include <iostream>
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/// Geospatial Data Abstraction Library
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#include <gdal/cpl_conv.h>
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#include <gdal/gdal_priv.h>
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#include <gdal/gdal.h>
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/// Start of CV Namespace
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namespace cv {
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/**
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* Convert GDAL Pixel Range to OpenCV Pixel Range
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*/
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double range_cast( const GDALDataType& gdalType,
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const int& cvDepth,
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const double& value );
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/**
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* Convert GDAL Palette Interpretation to OpenCV Pixel Type
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*/
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int gdalPaletteInterpretation2OpenCV( GDALPaletteInterp const& paletteInterp,
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GDALDataType const& gdalType );
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/**
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* Convert a GDAL Raster Type to OpenCV Type
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*/
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int gdal2opencv( const GDALDataType& gdalType, const int& channels );
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/**
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* Write an image to pixel
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*/
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void write_pixel( const double& pixelValue,
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GDALDataType const& gdalType,
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const int& gdalChannels,
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Mat& image,
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const int& row,
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const int& col,
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const int& channel );
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/**
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* Write a color table pixel to the image
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*/
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void write_ctable_pixel( const double& pixelValue,
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const GDALDataType& gdalType,
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const GDALColorTable* gdalColorTable,
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Mat& image,
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const int& y,
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const int& x,
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const int& c );
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/**
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* Loader for GDAL
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*/
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class GdalDecoder : public BaseImageDecoder{
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public:
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/**
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* Default Constructor
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*/
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GdalDecoder();
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/**
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* Destructor
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*/
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~GdalDecoder();
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/**
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* Read image data
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*/
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bool readData( Mat& img );
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/**
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* Read the image header
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*/
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bool readHeader();
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/**
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* Close the module
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*/
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void close();
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/**
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* Create a new decoder
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*/
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ImageDecoder newDecoder() const;
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/**
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* Test the file signature
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*
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* In general, this should be avoided as the user should specifically request GDAL.
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* The reason is that GDAL tends to overlap with other image formats and it is probably
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* safer to use other formats first.
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*/
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virtual bool checkSignature( const String& signature ) const;
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protected:
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/// GDAL Dataset
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GDALDataset* m_dataset;
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/// GDAL Driver
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GDALDriver* m_driver;
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/// Check if we are reading from a color table
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bool hasColorTable;
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}; /// End of GdalDecoder Class
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} /// End of Namespace cv
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#endif/*HAVE_GDAL*/
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#endif/*__GRFMT_GDAL_HPP__*/
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