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Kumataro
3c3a26b6ab
imgcodecs: bmp: relax decoding size limit to over 1GiB #27811 Close https://github.com/opencv/opencv/issues/27789 Close https://github.com/opencv/opencv/issues/23233 ### Pull Request Readiness Checklist See details at https://github.com/opencv/opencv/wiki/How_to_contribute#making-a-good-pull-request - [x] I agree to contribute to the project under Apache 2 License. - [x] To the best of my knowledge, the proposed patch is not based on a code under GPL or another license that is incompatible with OpenCV - [x] The PR is proposed to the proper branch - [x] There is a reference to the original bug report and related work - [x] There is accuracy test, performance test and test data in opencv_extra repository, if applicable Patch to opencv_extra has the same branch name. - [ ] The feature is well documented and sample code can be built with the project CMake
104 lines
3.6 KiB
C++
104 lines
3.6 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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// (3-clause BSD License)
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//
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// Copyright (C) 2000-2016, Intel Corporation, all rights reserved.
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// Copyright (C) 2009-2011, Willow Garage Inc., all rights reserved.
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// Copyright (C) 2009-2016, NVIDIA Corporation, all rights reserved.
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// Copyright (C) 2010-2013, Advanced Micro Devices, Inc., all rights reserved.
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// Copyright (C) 2015-2016, OpenCV Foundation, all rights reserved.
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// Copyright (C) 2015-2016, Itseez 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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// * Redistributions 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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// * Redistributions 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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// * Neither the names of the copyright holders nor the names of the contributors
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// may be used to endorse or promote products derived from this software
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// 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 copyright holders or contributors be liable for any direct,
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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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//
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//M*/
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//Based on "imgcodecs/src/grfmt_pxm.hpp"
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//Written by Dimitrios Katsaros <patcherwork@gmail.com>
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#ifndef _OPENCV_PAM_HPP_
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#define _OPENCV_PAM_HPP_
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#ifdef HAVE_IMGCODEC_PXM
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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 PAMDecoder CV_FINAL : public BaseImageDecoder
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{
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public:
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PAMDecoder();
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virtual ~PAMDecoder() CV_OVERRIDE;
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bool readData( Mat& img ) CV_OVERRIDE;
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bool readHeader() CV_OVERRIDE;
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size_t signatureLength() const CV_OVERRIDE;
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bool checkSignature( const String& signature ) const CV_OVERRIDE;
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ImageDecoder newDecoder() const CV_OVERRIDE;
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protected:
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RLByteStream m_strm;
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int64_t m_offset;
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int m_maxval, m_channels, m_sampledepth, selected_fmt;
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bool bit_mode;
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};
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class PAMEncoder CV_FINAL : public BaseImageEncoder
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{
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public:
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PAMEncoder();
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virtual ~PAMEncoder() CV_OVERRIDE;
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bool isFormatSupported( int depth ) const CV_OVERRIDE;
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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 /* _OPENCV_PAM_HPP_ */
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