Update to 2.0.0 tree from current Fremantle build

[opencv] / src / highgui / grfmt_base.h

diff --git a/src/highgui/grfmt_base.h b/src/highgui/grfmt_base.h
new file mode 100644 (file)
index 0000000..c801be7
--- /dev/null
+++ b/src/highgui/grfmt_base.h
@@ -0,0 +1,113 @@
+/*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*/
+
+#ifndef _GRFMT_BASE_H_
+#define _GRFMT_BASE_H_
+
+#include "utils.h"
+#include "bitstrm.h"
+
+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; };
+    int type() const { return m_type; };
+
+    virtual bool setSource( const string& filename );
+    virtual bool setSource( const Mat& buf );
+    virtual bool readHeader() = 0;
+    virtual bool readData( Mat& img ) = 0;
+
+    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;
+    string m_filename;
+    string m_signature;
+    Mat m_buf;
+    bool m_buf_supported;
+};
+
+
+///////////////////////////// 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( vector<uchar>& buf );
+    virtual bool write( const Mat& img, const vector<int>& params ) = 0;
+
+    virtual string getDescription() const;
+    virtual ImageEncoder newEncoder() const;
+
+protected:
+    string m_description;
+    
+    string m_filename;
+    vector<uchar>* m_buf;
+    bool m_buf_supported;
+};
+
+}
+
+#endif/*_GRFMT_BASE_H_*/