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/*M///////////////////////////////////////////////////////////////////////////////////////
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// IMPORTANT: READ BEFORE DOWNLOADING, COPYING, INSTALLING OR USING.
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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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// Intel License Agreement
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// For Open Source Computer Vision Library
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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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// 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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// * 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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// * 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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// * 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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// 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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#include "precomp.hpp"
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#include "grfmt_base.hpp"
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#include "bitstrm.hpp"
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BaseImageDecoder::BaseImageDecoder()
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m_width = m_height = 0;
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m_buf_supported = false;
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bool BaseImageDecoder::setSource( const String& filename )
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m_filename = filename;
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bool BaseImageDecoder::setSource( const Mat& buf )
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if( !m_buf_supported )
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m_filename = String();
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size_t BaseImageDecoder::signatureLength() const
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return m_signature.size();
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bool BaseImageDecoder::checkSignature( const String& signature ) const
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size_t len = signatureLength();
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return signature.size() >= len && memcmp( signature.c_str(), m_signature.c_str(), len ) == 0;
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int BaseImageDecoder::setScale( const int& scale_denom )
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int temp = m_scale_denom;
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m_scale_denom = scale_denom;
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ImageDecoder BaseImageDecoder::newDecoder() const
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return ImageDecoder();
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BaseImageEncoder::BaseImageEncoder()
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m_buf_supported = false;
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bool BaseImageEncoder::isFormatSupported( int depth ) const
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return depth == CV_8U;
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String BaseImageEncoder::getDescription() const
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return m_description;
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bool BaseImageEncoder::setDestination( const String& filename )
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m_filename = filename;
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bool BaseImageEncoder::setDestination( std::vector<uchar>& buf )
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if( !m_buf_supported )
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m_filename = String();
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ImageEncoder BaseImageEncoder::newEncoder() const
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return ImageEncoder();
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void BaseImageEncoder::throwOnEror() const
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if(!m_last_error.empty())
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String msg = "Raw image encoder error: " + m_last_error;
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CV_Error( CV_BadImageSize, msg.c_str() );