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114 lines
3.5 KiB
C++
114 lines
3.5 KiB
C++
/*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_JPEG_H_
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#define _GRFMT_JPEG_H_
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#include "grfmt_base.hpp"
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#include "bitstrm.hpp"
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#ifdef HAVE_JPEG
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// IJG-based Jpeg codec
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namespace cv
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{
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/**
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* @brief Jpeg markers that can be encountered in a Jpeg file
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*/
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enum AppMarkerTypes
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{
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SOI = 0xD8, SOF0 = 0xC0, SOF2 = 0xC2, DHT = 0xC4,
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DQT = 0xDB, DRI = 0xDD, SOS = 0xDA,
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RST0 = 0xD0, RST1 = 0xD1, RST2 = 0xD2, RST3 = 0xD3,
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RST4 = 0xD4, RST5 = 0xD5, RST6 = 0xD6, RST7 = 0xD7,
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APP0 = 0xE0, APP1 = 0xE1, APP2 = 0xE2, APP3 = 0xE3,
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APP4 = 0xE4, APP5 = 0xE5, APP6 = 0xE6, APP7 = 0xE7,
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APP8 = 0xE8, APP9 = 0xE9, APP10 = 0xEA, APP11 = 0xEB,
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APP12 = 0xEC, APP13 = 0xED, APP14 = 0xEE, APP15 = 0xEF,
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COM = 0xFE, EOI = 0xD9
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};
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class JpegDecoder CV_FINAL : public BaseImageDecoder
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{
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public:
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JpegDecoder();
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virtual ~JpegDecoder();
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bool readData( Mat& img ) CV_OVERRIDE;
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bool readHeader() CV_OVERRIDE;
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void close();
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ImageDecoder newDecoder() const CV_OVERRIDE;
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protected:
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FILE* m_f;
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void* m_state;
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private:
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JpegDecoder(const JpegDecoder &); // copy disabled
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JpegDecoder& operator=(const JpegDecoder &); // assign disabled
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};
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class JpegEncoder CV_FINAL : public BaseImageEncoder
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{
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public:
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JpegEncoder();
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virtual ~JpegEncoder();
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bool write( const Mat& img, const std::vector<int>& params ) CV_OVERRIDE;
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ImageEncoder newEncoder() const CV_OVERRIDE;
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};
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}
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#endif
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#endif/*_GRFMT_JPEG_H_*/
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