+++ /dev/null
-/*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.
-//
-//
-// Intel License Agreement
-// For Open Source Computer Vision Library
-//
-// Copyright (C) 2000, Intel Corporation, 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 Intel Corporation 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*/
-
-#ifndef _GRFMT_BASE_H_
-#define _GRFMT_BASE_H_
-
-#if _MSC_VER >= 1200
- #pragma warning( disable: 4514 )
- #pragma warning( disable: 4711 )
- #pragma warning( disable: 4611 )
-#endif
-
-#include "utils.h"
-#include "bitstrm.h"
-
-#define RBS_BAD_HEADER -125 /* invalid image header */
-#define BAD_HEADER_ERR() goto bad_header_exit
-
-#ifndef _MAX_PATH
- #define _MAX_PATH 1024
-#endif
-
-
-///////////////////////////////// base class for readers ////////////////////////
-class GrFmtReader
-{
-public:
-
- GrFmtReader( const char* filename );
- virtual ~GrFmtReader();
-
- int GetWidth() { return m_width; };
- int GetHeight() { return m_height; };
- bool IsColor() { return m_iscolor; };
- int GetDepth() { return m_bit_depth; };
- void UseNativeDepth( bool yes ) { m_native_depth = yes; };
- bool IsFloat() { return m_isfloat; };
-
- virtual bool ReadHeader() = 0;
- virtual bool ReadData( uchar* data, int step, int color ) = 0;
- virtual void Close();
-
-protected:
-
- bool m_iscolor;
- int m_width; // width of the image ( filled by ReadHeader )
- int m_height; // height of the image ( filled by ReadHeader )
- int m_bit_depth;// bit depth per channel (normally 8)
- char m_filename[_MAX_PATH]; // filename
- bool m_native_depth;// use the native bit depth of the image
- bool m_isfloat; // is image saved as float or double?
-};
-
-
-///////////////////////////// base class for writers ////////////////////////////
-class GrFmtWriter
-{
-public:
-
- GrFmtWriter( const char* filename );
- virtual ~GrFmtWriter() {};
- virtual bool IsFormatSupported( int depth );
- virtual bool WriteImage( const uchar* data, int step,
- int width, int height, int depth, int channels ) = 0;
-protected:
- char m_filename[_MAX_PATH]; // filename
-};
-
-
-////////////////////////////// base class for filter factories //////////////////
-class GrFmtFilterFactory
-{
-public:
-
- GrFmtFilterFactory();
- virtual ~GrFmtFilterFactory() {};
-
- const char* GetDescription() { return m_description; };
- int GetSignatureLength() { return m_sign_len; };
- virtual bool CheckFile( const char* filename );
- virtual bool CheckSignature( const char* signature );
- virtual bool CheckExtension( const char* filename );
- virtual GrFmtReader* NewReader( const char* filename ) = 0;
- virtual GrFmtWriter* NewWriter( const char* filename ) = 0;
-
-protected:
- const char* m_description;
- // graphic format description in form:
- // <Some textual description>( *.<extension1> [; *.<extension2> ...]).
- // the textual description can not contain symbols '(', ')'
- // and may be, some others. It is safe to use letters, digits and spaces only.
- // e.g. "Targa (*.tga)",
- // or "Portable Graphic Format (*.pbm;*.pgm;*.ppm)"
-
- int m_sign_len; // length of the signature of the format
- const char* m_signature; // signature of the format
-};
-
-
-/////////////////////////// list of graphic format filters ///////////////////////////////
-
-typedef void* ListPosition;
-
-class GrFmtFactoriesList
-{
-public:
-
- GrFmtFactoriesList();
- virtual ~GrFmtFactoriesList();
- void RemoveAll();
- bool AddFactory( GrFmtFilterFactory* factory );
- int FactoriesCount() { return m_curFactories; };
- ListPosition GetFirstFactoryPos();
- GrFmtFilterFactory* GetNextFactory( ListPosition& pos );
- virtual GrFmtReader* FindReader( const char* filename );
- virtual GrFmtWriter* FindWriter( const char* filename );
-
-protected:
-
- GrFmtFilterFactory** m_factories;
- int m_maxFactories;
- int m_curFactories;
-};
-
-#endif/*_GRFMT_BASE_H_*/
projects / opencv / blobdiff