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Open Source Computer Vision Library
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123 lines
4.2 KiB
123 lines
4.2 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_BASE_H_ |
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#define _GRFMT_BASE_H_ |
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#include "utils.hpp" |
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#include "bitstrm.hpp" |
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namespace cv |
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{ |
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class BaseImageDecoder; |
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class BaseImageEncoder; |
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typedef Ptr<BaseImageEncoder> ImageEncoder; |
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typedef Ptr<BaseImageDecoder> ImageDecoder; |
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///////////////////////////////// base class for decoders //////////////////////// |
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class BaseImageDecoder |
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{ |
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public: |
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BaseImageDecoder(); |
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virtual ~BaseImageDecoder() {} |
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int width() const { return m_width; } |
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int height() const { return m_height; } |
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virtual int type() const { return m_type; } |
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virtual bool setSource( const String& filename ); |
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virtual bool setSource( const Mat& buf ); |
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virtual int setScale( const int& scale_denom ); |
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virtual bool readHeader() = 0; |
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virtual bool readData( Mat& img ) = 0; |
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/// Called after readData to advance to the next page, if any. |
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virtual bool nextPage() { return false; } |
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virtual size_t signatureLength() const; |
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virtual bool checkSignature( const String& signature ) const; |
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virtual ImageDecoder newDecoder() const; |
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protected: |
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int m_width; // width of the image ( filled by readHeader ) |
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int m_height; // height of the image ( filled by readHeader ) |
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int m_type; |
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int m_scale_denom; |
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String m_filename; |
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String m_signature; |
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Mat m_buf; |
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bool m_buf_supported; |
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}; |
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///////////////////////////// base class for encoders //////////////////////////// |
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class BaseImageEncoder |
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{ |
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public: |
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BaseImageEncoder(); |
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virtual ~BaseImageEncoder() {} |
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virtual bool isFormatSupported( int depth ) const; |
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virtual bool setDestination( const String& filename ); |
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virtual bool setDestination( std::vector<uchar>& buf ); |
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virtual bool write( const Mat& img, const std::vector<int>& params ) = 0; |
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virtual bool writemulti(const std::vector<Mat>& img_vec, const std::vector<int>& params); |
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virtual String getDescription() const; |
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virtual ImageEncoder newEncoder() const; |
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virtual void throwOnEror() const; |
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protected: |
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String m_description; |
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String m_filename; |
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std::vector<uchar>* m_buf; |
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bool m_buf_supported; |
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String m_last_error; |
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}; |
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} |
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#endif/*_GRFMT_BASE_H_*/
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