| /*M/////////////////////////////////////////////////////////////////////////////////////// | |
| // | |
| // IMPORTANT: READ BEFORE DOWNLOADING, COPYING, INSTALLING OR USING. | |
| // | |
| // By downloading, copying, installing or using the software you agree to this license. | |
| // If you do not agree to this license, do not download, install, | |
| // copy or use the software. | |
| // | |
| // | |
| // License Agreement | |
| // For Open Source Computer Vision Library | |
| // | |
| // Copyright (C) 2000-2008, Intel Corporation, all rights reserved. | |
| // Copyright (C) 2009, Willow Garage Inc., all rights reserved. | |
| // Third party copyrights are property of their respective owners. | |
| // | |
| // Redistribution and use in source and binary forms, with or without modification, | |
| // are permitted provided that the following conditions are met: | |
| // | |
| // * Redistribution's of source code must retain the above copyright notice, | |
| // this list of conditions and the following disclaimer. | |
| // | |
| // * Redistribution's in binary form must reproduce the above copyright notice, | |
| // this list of conditions and the following disclaimer in the documentation | |
| // and/or other materials provided with the distribution. | |
| // | |
| // * The name of the copyright holders may not be used to endorse or promote products | |
| // derived from this software without specific prior written permission. | |
| // | |
| // This software is provided by the copyright holders and contributors "as is" and | |
| // any express or implied warranties, including, but not limited to, the implied | |
| // warranties of merchantability and fitness for a particular purpose are disclaimed. | |
| // In no event shall the Intel Corporation or contributors be liable for any direct, | |
| // indirect, incidental, special, exemplary, or consequential damages | |
| // (including, but not limited to, procurement of substitute goods or services; | |
| // loss of use, data, or profits; or business interruption) however caused | |
| // and on any theory of liability, whether in contract, strict liability, | |
| // or tort (including negligence or otherwise) arising in any way out of | |
| // the use of this software, even if advised of the possibility of such damage. | |
| // | |
| //M*/ | |
| namespace cv | |
| { | |
| class BaseImageDecoder; | |
| class BaseImageEncoder; | |
| typedef Ptr<BaseImageEncoder> ImageEncoder; | |
| typedef Ptr<BaseImageDecoder> ImageDecoder; | |
| ///////////////////////////////// base class for decoders //////////////////////// | |
| class BaseImageDecoder | |
| { | |
| public: | |
| BaseImageDecoder(); | |
| virtual ~BaseImageDecoder() {} | |
| int width() const { return m_width; } | |
| int height() const { return m_height; } | |
| virtual int type() const { return m_type; } | |
| ExifEntry_t getExifTag(const ExifTagName tag) const; | |
| virtual bool setSource( const String& filename ); | |
| virtual bool setSource( const Mat& buf ); | |
| virtual int setScale( const int& scale_denom ); | |
| virtual bool readHeader() = 0; | |
| virtual bool readData( Mat& img ) = 0; | |
| /// Called after readData to advance to the next page, if any. | |
| virtual bool nextPage() { return false; } | |
| virtual size_t signatureLength() const; | |
| virtual bool checkSignature( const String& signature ) const; | |
| virtual ImageDecoder newDecoder() const; | |
| protected: | |
| int m_width; // width of the image ( filled by readHeader ) | |
| int m_height; // height of the image ( filled by readHeader ) | |
| int m_type; | |
| int m_scale_denom; | |
| String m_filename; | |
| String m_signature; | |
| Mat m_buf; | |
| bool m_buf_supported; | |
| ExifReader m_exif; | |
| }; | |
| ///////////////////////////// base class for encoders //////////////////////////// | |
| class BaseImageEncoder | |
| { | |
| public: | |
| BaseImageEncoder(); | |
| virtual ~BaseImageEncoder() {} | |
| virtual bool isFormatSupported( int depth ) const; | |
| virtual bool setDestination( const String& filename ); | |
| virtual bool setDestination( std::vector<uchar>& buf ); | |
| virtual bool write( const Mat& img, const std::vector<int>& params ) = 0; | |
| virtual bool writemulti(const std::vector<Mat>& img_vec, const std::vector<int>& params); | |
| virtual String getDescription() const; | |
| virtual ImageEncoder newEncoder() const; | |
| virtual void throwOnEror() const; | |
| protected: | |
| String m_description; | |
| String m_filename; | |
| std::vector<uchar>* m_buf; | |
| bool m_buf_supported; | |
| String m_last_error; | |
| }; | |
| } | |