Vinay Sharma
5aac909046
* added write as pbm * add tests for pbm * imgcodecs: PBM support - drop additional PBM parameters - write: fix P1/P4 mode (no maxval 255 value after width/height) - write: invert values for P1/P4 - write: P1: compact ASCII mode (no spaces) - simplify pbm test - drop .pxm extension (http://netpbm.sourceforge.net/doc/ doesn't know such extension)
105 lines
3.3 KiB
C++
105 lines
3.3 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_PxM_H_
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#define _GRFMT_PxM_H_
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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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enum PxMMode
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{
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PXM_TYPE_AUTO = 0, // "auto"
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PXM_TYPE_PBM = 1, // monochrome format (single channel)
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PXM_TYPE_PGM = 2, // gray format (single channel)
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PXM_TYPE_PPM = 3 // color format
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};
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class PxMDecoder : public BaseImageDecoder
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{
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public:
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PxMDecoder();
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virtual ~PxMDecoder();
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bool readData( Mat& img );
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bool readHeader();
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void close();
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size_t signatureLength() const;
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bool checkSignature( const String& signature ) const;
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ImageDecoder newDecoder() const;
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protected:
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RLByteStream m_strm;
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PaletteEntry m_palette[256];
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int m_bpp;
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int m_offset;
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bool m_binary;
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int m_maxval;
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};
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class PxMEncoder : public BaseImageEncoder
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{
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public:
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PxMEncoder(PxMMode mode);
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virtual ~PxMEncoder();
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bool isFormatSupported( int depth ) const;
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bool write( const Mat& img, const std::vector<int>& params );
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ImageEncoder newEncoder() const
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{
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return makePtr<PxMEncoder>(mode_);
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}
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const PxMMode mode_;
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};
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}
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#endif/*_GRFMT_PxM_H_*/
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