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include/OpenCV/highgui.hpp

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00001 /*M///////////////////////////////////////////////////////////////////////////////////////
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00009 //
00010 //                          License Agreement
00011 //                For Open Source Computer Vision Library
00012 //
00013 // Copyright (C) 2000-2008, Intel Corporation, all rights reserved.
00014 // Copyright (C) 2009, Willow Garage Inc., all rights reserved.
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00017 // Redistribution and use in source and binary forms, with or without modification,
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00021 //     this list of conditions and the following disclaimer.
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00042 
00043 #ifndef __OPENCV_HIGHGUI_HPP__
00044 #define __OPENCV_HIGHGUI_HPP__
00045 
00046 #ifdef __cplusplus
00047 
00048 namespace cv
00049 {
00050 
00051 // To be extended
00052 
00053 CV_EXPORTS void namedWindow( const string& winname, int flags CV_DEFAULT(CV_WINDOW_AUTOSIZE) );
00054 
00055 CV_EXPORTS void setWindowProperty(const string& winname, int prop_id, double prop_value);//YV
00056 CV_EXPORTS double getWindowProperty(const string& winname, int prop_id);//YV
00057 
00058 CV_EXPORTS void imshow( const string& winname, const Mat& mat );
00059 
00060 typedef CvTrackbarCallback2 TrackbarCallback;
00061 
00062 CV_EXPORTS int createTrackbar( const string& trackbarname, const string& winname,
00063                                int* value, int count,
00064                                TrackbarCallback onChange CV_DEFAULT(0),
00065                                void* userdata CV_DEFAULT(0));
00066 
00067 CV_EXPORTS int getTrackbarPos( const string& trackbarname, const string& winname );
00068 CV_EXPORTS void setTrackbarPos( const string& trackbarname, const string& winname, int pos );
00069 
00070 CV_EXPORTS Mat imread( const string& filename, int flags=1 );
00071 CV_EXPORTS bool imwrite( const string& filename, const Mat& img,
00072               const vector<int>& params=vector<int>());
00073 CV_EXPORTS Mat imdecode( const Mat& buf, int flags );
00074 CV_EXPORTS bool imencode( const string& ext, const Mat& img,
00075                           vector<uchar>& buf,
00076                           const vector<int>& params=vector<int>());
00077 
00078 CV_EXPORTS int waitKey(int delay=0);
00079 
00080 #ifndef CV_NO_VIDEO_CAPTURE_CPP_API
00081 
00082 template<> inline void Ptr<CvCapture>::delete_obj()
00083 { cvReleaseCapture(&obj); }
00084     
00085 template<> inline void Ptr<CvVideoWriter>::delete_obj()
00086 { cvReleaseVideoWriter(&obj); }
00087 
00088 class CV_EXPORTS VideoCapture
00089 {
00090 public:
00091     VideoCapture();
00092     VideoCapture(const string& filename);
00093     VideoCapture(int device);
00094     
00095     virtual ~VideoCapture();
00096     virtual bool open(const string& filename);
00097     virtual bool open(int device);
00098     virtual bool isOpened() const;
00099     virtual void release();
00100     
00101     virtual bool grab();
00102     virtual bool retrieve(Mat& image, int channel=0);
00103     virtual VideoCapture& operator >> (Mat& image);
00104     
00105     virtual bool set(int propId, double value);
00106     virtual double get(int propId);
00107     
00108 protected:
00109     Ptr<CvCapture> cap;
00110 };
00111 
00112     
00113 class CV_EXPORTS VideoWriter
00114 {
00115 public:    
00116     VideoWriter();
00117     VideoWriter(const string& filename, int fourcc, double fps, Size frameSize, bool isColor=true);
00118     
00119     virtual ~VideoWriter();
00120     virtual bool open(const string& filename, int fourcc, double fps, Size frameSize, bool isColor=true);
00121     virtual bool isOpened() const;
00122     virtual VideoWriter& operator << (const Mat& image);
00123     
00124 protected:
00125     Ptr<CvVideoWriter> writer;
00126 };
00127 
00128 #endif
00129 
00130 }
00131 
00132 #endif
00133 
00134 #endif