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166 lines
4.9 KiB
166 lines
4.9 KiB
/*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 <cpl_conv.h> |
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#include <gdal_priv.h> |
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#include <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 CV_FINAL : 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() CV_OVERRIDE; |
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/** |
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* Read image data |
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*/ |
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bool readData( Mat& img ) CV_OVERRIDE; |
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/** |
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* Read the image header |
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*/ |
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bool readHeader() CV_OVERRIDE; |
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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 CV_OVERRIDE; |
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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 CV_OVERRIDE; |
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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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