1 /*M///////////////////////////////////////////////////////////////////////////////////////
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11 // For Open Source Computer Vision Library
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43 #ifndef _GRFMT_BASE_H_
44 #define _GRFMT_BASE_H_
52 class BaseImageDecoder;
53 class BaseImageEncoder;
54 typedef Ptr<BaseImageEncoder> ImageEncoder;
55 typedef Ptr<BaseImageDecoder> ImageDecoder;
57 ///////////////////////////////// base class for decoders ////////////////////////
58 class BaseImageDecoder
62 virtual ~BaseImageDecoder() {};
64 int width() const { return m_width; };
65 int height() const { return m_height; };
66 int type() const { return m_type; };
68 virtual bool setSource( const string& filename );
69 virtual bool setSource( const Mat& buf );
70 virtual bool readHeader() = 0;
71 virtual bool readData( Mat& img ) = 0;
73 virtual size_t signatureLength() const;
74 virtual bool checkSignature( const string& signature ) const;
75 virtual ImageDecoder newDecoder() const;
78 int m_width; // width of the image ( filled by readHeader )
79 int m_height; // height of the image ( filled by readHeader )
88 ///////////////////////////// base class for encoders ////////////////////////////
89 class BaseImageEncoder
93 virtual ~BaseImageEncoder() {};
94 virtual bool isFormatSupported( int depth ) const;
96 virtual bool setDestination( const string& filename );
97 virtual bool setDestination( vector<uchar>& buf );
98 virtual bool write( const Mat& img, const vector<int>& params ) = 0;
100 virtual string getDescription() const;
101 virtual ImageEncoder newEncoder() const;
104 string m_description;
107 vector<uchar>* m_buf;
108 bool m_buf_supported;
113 #endif/*_GRFMT_BASE_H_*/