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Open Source Computer Vision Library
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101 lines
3.2 KiB
101 lines
3.2 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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// License Agreement |
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// For Open Source Computer Vision Library |
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// |
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// Copyright (C) 2000-2008, Intel Corporation, all rights reserved. |
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// Copyright (C) 2009, Willow Garage Inc., 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 the copyright holders 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_PNG_H_ |
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#define _GRFMT_PNG_H_ |
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#ifdef HAVE_PNG |
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#include "grfmt_base.hpp" |
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#include "bitstrm.hpp" |
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namespace cv |
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{ |
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class PngDecoder : public BaseImageDecoder |
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{ |
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public: |
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PngDecoder(); |
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virtual ~PngDecoder(); |
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bool readData( Mat& img ); |
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bool readHeader(); |
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void close(); |
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ImageDecoder newDecoder() const; |
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protected: |
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static void readDataFromBuf(void* png_ptr, uchar* dst, size_t size); |
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int m_bit_depth; |
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void* m_png_ptr; // pointer to decompression structure |
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void* m_info_ptr; // pointer to image information structure |
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void* m_end_info; // pointer to one more image information structure |
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FILE* m_f; |
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int m_color_type; |
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size_t m_buf_pos; |
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}; |
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class PngEncoder : public BaseImageEncoder |
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{ |
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public: |
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PngEncoder(); |
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virtual ~PngEncoder(); |
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bool isFormatSupported( int depth ) const; |
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bool write( const Mat& img, const vector<int>& params ); |
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ImageEncoder newEncoder() const; |
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protected: |
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static void writeDataToBuf(void* png_ptr, uchar* src, size_t size); |
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static void flushBuf(void* png_ptr); |
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}; |
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} |
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#endif |
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#endif/*_GRFMT_PNG_H_*/
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