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 /*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 __OPENCV_HIGHGUI_H__
 #define __OPENCV_HIGHGUI_H__
 
 #include "opencv2/core/core_c.h"
 #if defined WIN32 || defined _WIN32
    	#include <windows.h>
 	#undef min
 	#undef max
 #endif
 
 #ifdef __cplusplus
 extern "C" {
 #endif /* __cplusplus */
 
 /****************************************************************************************\
 *                                  Basic GUI functions                                   *
 \****************************************************************************************/
 //YV
 //-----------New for Qt
 /* For font */
 enum {	CV_FONT_LIGHT 			= 25,//QFont::Light,
 		CV_FONT_NORMAL 			= 50,//QFont::Normal,
 		CV_FONT_DEMIBOLD 		= 63,//QFont::DemiBold,
 		CV_FONT_BOLD 			= 75,//QFont::Bold,
 		CV_FONT_BLACK 			= 87 //QFont::Black
 };
 
 enum {	CV_STYLE_NORMAL			= 0,//QFont::StyleNormal,
 		CV_STYLE_ITALIC 		= 1,//QFont::StyleItalic,
 		CV_STYLE_OBLIQUE 		= 2 //QFont::StyleOblique
 };
 /* ---------*/
 
 //for color cvScalar(blue_component, green_component, red\_component[, alpha_component])
 //and alpha= 0 <-> 0xFF (not transparent <-> transparent)
 CVAPI(CvFont) cvFontQt(const char* nameFont, int pointSize CV_DEFAULT(-1), CvScalar color CV_DEFAULT(cvScalarAll(0)), int weight CV_DEFAULT(CV_FONT_NORMAL),  int style CV_DEFAULT(CV_STYLE_NORMAL), int spacing CV_DEFAULT(0));
 
 CVAPI(void) cvAddText(const CvArr* img, const char* text, CvPoint org, CvFont *arg2);
 
 CVAPI(void) cvDisplayOverlay(const char* name, const char* text, int delayms);
 CVAPI(void) cvDisplayStatusBar(const char* name, const char* text, int delayms);
 
 typedef void (CV_CDECL *CvOpenGLCallback)(void* userdata);
 CVAPI(void) cvCreateOpenGLCallback( const char* window_name, CvOpenGLCallback callbackOpenGL, void* userdata CV_DEFAULT(NULL), double angle CV_DEFAULT(-1), double zmin CV_DEFAULT(-1), double zmax CV_DEFAULT(-1));
 
 CVAPI(void) cvSaveWindowParameters(const char* name);
 CVAPI(void) cvLoadWindowParameters(const char* name);
 CVAPI(int) cvStartLoop(int (*pt2Func)(int argc, char *argv[]), int argc, char* argv[]);
 CVAPI(void) cvStopLoop();
 
 typedef void (CV_CDECL *CvButtonCallback)(int state, void* userdata);
 enum {CV_PUSH_BUTTON = 0, CV_CHECKBOX = 1, CV_RADIOBOX = 2};
 CVAPI(int) cvCreateButton( const char* button_name CV_DEFAULT(NULL),CvButtonCallback on_change CV_DEFAULT(NULL), void* userdata CV_DEFAULT(NULL) , int button_type CV_DEFAULT(CV_PUSH_BUTTON), int initial_button_state CV_DEFAULT(0));
 //----------------------
 
 
 /* this function is used to set some external parameters in case of X Window */
 CVAPI(int) cvInitSystem( int argc, char** argv );
 
 CVAPI(int) cvStartWindowThread();
 
 // ---------  YV ---------
 enum
 {
 	//These 3 flags are used by cvSet/GetWindowProperty
 	CV_WND_PROP_FULLSCREEN = 0,//to change/get window's fullscreen property
 	CV_WND_PROP_AUTOSIZE   = 1,//to change/get window's autosize property
 	CV_WND_PROP_ASPECTRATIO= 2,//to change/get window's aspectratio property
 	//
 	//These 2 flags are used by cvNamedWindow and cvSet/GetWindowProperty
 	CV_WINDOW_NORMAL       = 0x00000000,//the user can resize the window (no constraint)  / also use to switch a fullscreen window to a normal size
 	CV_WINDOW_AUTOSIZE 	   = 0x00000001,//the user cannot resize the window, the size is constrainted by the image displayed
 	//
 	//Those flags are only for Qt
 	CV_GUI_EXPANDED 		= 0x00000000,//status bar and tool bar
 	CV_GUI_NORMAL 			= 0x00000010,//old fashious way
 	//
 	//These 3 flags are used by cvNamedWindow and cvSet/GetWindowProperty
 	CV_WINDOW_FULLSCREEN   = 1,//change the window to fullscreen
 	CV_WINDOW_FREERATIO	   = 0x00000100,//the image expends as much as it can (no ratio constraint)
 	CV_WINDOW_KEEPRATIO    = 0x00000000//the ration image is respected.
 };
 
 /* create window */
 CVAPI(int) cvNamedWindow( const char* name, int flags CV_DEFAULT(CV_WINDOW_AUTOSIZE) );
 
 /* Set and Get Property of the window */
 CVAPI(void) cvSetWindowProperty(const char* name, int prop_id, double prop_value);
 CVAPI(double) cvGetWindowProperty(const char* name, int prop_id);
 
 /* display image within window (highgui windows remember their content) */
 CVAPI(void) cvShowImage( const char* name, const CvArr* image );
 
 /* resize/move window */
 CVAPI(void) cvResizeWindow( const char* name, int width, int height );
 CVAPI(void) cvMoveWindow( const char* name, int x, int y );
 
 
 /* destroy window and all the trackers associated with it */
 CVAPI(void) cvDestroyWindow( const char* name );
 
 CVAPI(void) cvDestroyAllWindows(void);
 
 /* get native window handle (HWND in case of Win32 and Widget in case of X Window) */
 CVAPI(void*) cvGetWindowHandle( const char* name );
 
 /* get name of highgui window given its native handle */
 CVAPI(const char*) cvGetWindowName( void* window_handle );
 
 
 typedef void (CV_CDECL *CvTrackbarCallback)(int pos);
 
 /* create trackbar and display it on top of given window, set callback */
 CVAPI(int) cvCreateTrackbar( const char* trackbar_name, const char* window_name,
                              int* value, int count, CvTrackbarCallback on_change CV_DEFAULT(NULL));
 
 typedef void (CV_CDECL *CvTrackbarCallback2)(int pos, void* userdata);
 
 CVAPI(int) cvCreateTrackbar2( const char* trackbar_name, const char* window_name,
                               int* value, int count, CvTrackbarCallback2 on_change,
                               void* userdata CV_DEFAULT(0));
 
 /* retrieve or set trackbar position */
 CVAPI(int) cvGetTrackbarPos( const char* trackbar_name, const char* windw_name );
 CVAPI(void) cvSetTrackbarPos( const char* trackbar_name, const char* window_name, int pos );
 
 enum
 {
 	CV_EVENT_MOUSEMOVE      =0,
 	CV_EVENT_LBUTTONDOWN    =1,
 	CV_EVENT_RBUTTONDOWN    =2,
 	CV_EVENT_MBUTTONDOWN    =3,
 	CV_EVENT_LBUTTONUP      =4,
 	CV_EVENT_RBUTTONUP      =5,
 	CV_EVENT_MBUTTONUP      =6,
 	CV_EVENT_LBUTTONDBLCLK  =7,
 	CV_EVENT_RBUTTONDBLCLK  =8,
 	CV_EVENT_MBUTTONDBLCLK  =9
 };
 
 enum
 {
 	CV_EVENT_FLAG_LBUTTON   =1,
 	CV_EVENT_FLAG_RBUTTON   =2,
 	CV_EVENT_FLAG_MBUTTON   =4,
 	CV_EVENT_FLAG_CTRLKEY   =8,
 	CV_EVENT_FLAG_SHIFTKEY  =16,
 	CV_EVENT_FLAG_ALTKEY    =32
 };
 
 typedef void (CV_CDECL *CvMouseCallback )(int event, int x, int y, int flags, void* param);
 
 /* assign callback for mouse events */
 CVAPI(void) cvSetMouseCallback( const char* window_name, CvMouseCallback on_mouse,
                                 void* param CV_DEFAULT(NULL));
 
 enum
 {
 /* 8bit, color or not */
 	CV_LOAD_IMAGE_UNCHANGED  =-1,
 /* 8bit, gray */
 	CV_LOAD_IMAGE_GRAYSCALE  =0,
 /* ?, color */
 	CV_LOAD_IMAGE_COLOR      =1,
 /* any depth, ? */
 	CV_LOAD_IMAGE_ANYDEPTH   =2,
 /* ?, any color */
 	CV_LOAD_IMAGE_ANYCOLOR   =4
 };
 
 /* load image from file
   iscolor can be a combination of above flags where CV_LOAD_IMAGE_UNCHANGED
   overrides the other flags
   using CV_LOAD_IMAGE_ANYCOLOR alone is equivalent to CV_LOAD_IMAGE_UNCHANGED
   unless CV_LOAD_IMAGE_ANYDEPTH is specified images are converted to 8bit
 */
 CVAPI(IplImage*) cvLoadImage( const char* filename, int iscolor CV_DEFAULT(CV_LOAD_IMAGE_COLOR));
 CVAPI(CvMat*) cvLoadImageM( const char* filename, int iscolor CV_DEFAULT(CV_LOAD_IMAGE_COLOR));
 
 enum
 {
 	CV_IMWRITE_JPEG_QUALITY =1,
 	CV_IMWRITE_PNG_COMPRESSION =16,
 	CV_IMWRITE_PXM_BINARY =32
 };
 
 /* save image to file */
 CVAPI(int) cvSaveImage( const char* filename, const CvArr* image,
                         const int* params CV_DEFAULT(0) );
 
 /* decode image stored in the buffer */
 CVAPI(IplImage*) cvDecodeImage( const CvMat* buf, int iscolor CV_DEFAULT(CV_LOAD_IMAGE_COLOR));
 CVAPI(CvMat*) cvDecodeImageM( const CvMat* buf, int iscolor CV_DEFAULT(CV_LOAD_IMAGE_COLOR));
 
 /* encode image and store the result as a byte vector (single-row 8uC1 matrix) */
 CVAPI(CvMat*) cvEncodeImage( const char* ext, const CvArr* image,
                              const int* params CV_DEFAULT(0) );
 
 enum
 {
 	CV_CVTIMG_FLIP      =1,
 	CV_CVTIMG_SWAP_RB   =2
 };
 
 /* utility function: convert one image to another with optional vertical flip */
 CVAPI(void) cvConvertImage( const CvArr* src, CvArr* dst, int flags CV_DEFAULT(0));
 
 /* wait for key event infinitely (delay<=0) or for "delay" milliseconds */
 CVAPI(int) cvWaitKey(int delay CV_DEFAULT(0));
 
 /****************************************************************************************\
 *                         Working with Video Files and Cameras                           *
 \****************************************************************************************/
 
 /* "black box" capture structure */
 typedef struct CvCapture CvCapture;
 
 /* start capturing frames from video file */
 CVAPI(CvCapture*) cvCreateFileCapture( const char* filename );
 
 enum
 {
 	CV_CAP_ANY      =0,     // autodetect
 
 	CV_CAP_MIL      =100,   // MIL proprietary drivers
 
 	CV_CAP_VFW      =200,   // platform native
 	CV_CAP_V4L      =200,
 	CV_CAP_V4L2     =200,
 
 	CV_CAP_FIREWARE =300,   // IEEE 1394 drivers
 	CV_CAP_FIREWIRE =300,
 	CV_CAP_IEEE1394 =300,
 	CV_CAP_DC1394   =300,
 	CV_CAP_CMU1394  =300,
 
 	CV_CAP_STEREO   =400,   // TYZX proprietary drivers
 	CV_CAP_TYZX     =400,
 	CV_TYZX_LEFT    =400,
 	CV_TYZX_RIGHT   =401,
 	CV_TYZX_COLOR   =402,
 	CV_TYZX_Z       =403,
 
 	CV_CAP_QT       =500,   // QuickTime
 
 	CV_CAP_UNICAP   =600,   // Unicap drivers
 
 	CV_CAP_DSHOW    =700,   // DirectShow (via videoInput)
 
 	CV_CAP_PVAPI    =800   // PvAPI, Prosilica GigE SDK
 };
 
 /* start capturing frames from camera: index = camera_index + domain_offset (CV_CAP_*) */
 CVAPI(CvCapture*) cvCreateCameraCapture( int index );
 
 /* grab a frame, return 1 on success, 0 on fail.
   this function is thought to be fast               */
 CVAPI(int) cvGrabFrame( CvCapture* capture );
 
 /* get the frame grabbed with cvGrabFrame(..)
   This function may apply some frame processing like
   frame decompression, flipping etc.
   !!!DO NOT RELEASE or MODIFY the retrieved frame!!! */
 CVAPI(IplImage*) cvRetrieveFrame( CvCapture* capture, int streamIdx CV_DEFAULT(0) );
 
 /* Just a combination of cvGrabFrame and cvRetrieveFrame
    !!!DO NOT RELEASE or MODIFY the retrieved frame!!!      */
 CVAPI(IplImage*) cvQueryFrame( CvCapture* capture );
 
 /* stop capturing/reading and free resources */
 CVAPI(void) cvReleaseCapture( CvCapture** capture );
 
 enum
 {
 	CV_CAP_PROP_POS_MSEC       =0,
 	CV_CAP_PROP_POS_FRAMES     =1,
 	CV_CAP_PROP_POS_AVI_RATIO  =2,
 	CV_CAP_PROP_FRAME_WIDTH    =3,
 	CV_CAP_PROP_FRAME_HEIGHT   =4,
 	CV_CAP_PROP_FPS            =5,
 	CV_CAP_PROP_FOURCC         =6,
 	CV_CAP_PROP_FRAME_COUNT    =7,
 	CV_CAP_PROP_FORMAT         =8,
 	CV_CAP_PROP_MODE           =9,
 	CV_CAP_PROP_BRIGHTNESS    =10,
 	CV_CAP_PROP_CONTRAST      =11,
 	CV_CAP_PROP_SATURATION    =12,
 	CV_CAP_PROP_HUE           =13,
 	CV_CAP_PROP_GAIN          =14,
 	CV_CAP_PROP_EXPOSURE      =15,
 	CV_CAP_PROP_CONVERT_RGB   =16,
 	CV_CAP_PROP_WHITE_BALANCE =17,
 	CV_CAP_PROP_RECTIFICATION =18,
 	CV_CAP_PROP_MONOCROME	  =19
 };
 
 /* retrieve or set capture properties */
 CVAPI(double) cvGetCaptureProperty( CvCapture* capture, int property_id );
 CVAPI(int)    cvSetCaptureProperty( CvCapture* capture, int property_id, double value );
 
 // Return the type of the capturer (eg, CV_CAP_V4W, CV_CAP_UNICAP), which is unknown if created with CV_CAP_ANY
 CVAPI(int)    cvGetCaptureDomain( CvCapture* capture);
 
 /* "black box" video file writer structure */
 typedef struct CvVideoWriter CvVideoWriter;
 
 CV_INLINE int CV_FOURCC(char c1, char c2, char c3, char c4)
 {
 	return (c1 & 255) + ((c2 & 255) << 8) + ((c3 &255) << 16) + ((c4 & 255) << 24);
 }
 
 #define CV_FOURCC_PROMPT -1  /* Open Codec Selection Dialog (Windows only) */
 #define CV_FOURCC_DEFAULT CV_FOURCC('I', 'Y', 'U', 'V') /* Use default codec for specified filename (Linux only) */
 
 /* initialize video file writer */
 CVAPI(CvVideoWriter*) cvCreateVideoWriter( const char* filename, int fourcc,
                                            double fps, CvSize frame_size,
                                            int is_color CV_DEFAULT(1));
 
 //CVAPI(CvVideoWriter*) cvCreateImageSequenceWriter( const char* filename,
 //                                                   int is_color CV_DEFAULT(1));
 
 /* write frame to video file */
 CVAPI(int) cvWriteFrame( CvVideoWriter* writer, const IplImage* image );
 
 /* close video file writer */
 CVAPI(void) cvReleaseVideoWriter( CvVideoWriter** writer );
 
 /****************************************************************************************\
 *                              Obsolete functions/synonyms                               *
 \****************************************************************************************/
 
 #define cvCaptureFromFile cvCreateFileCapture
 #define cvCaptureFromCAM cvCreateCameraCapture
 #define cvCaptureFromAVI cvCaptureFromFile
 #define cvCreateAVIWriter cvCreateVideoWriter
 #define cvWriteToAVI cvWriteFrame
 #define cvAddSearchPath(path)
 #define cvvInitSystem cvInitSystem
 #define cvvNamedWindow cvNamedWindow
 #define cvvShowImage cvShowImage
 #define cvvResizeWindow cvResizeWindow
 #define cvvDestroyWindow cvDestroyWindow
 #define cvvCreateTrackbar cvCreateTrackbar
 #define cvvLoadImage(name) cvLoadImage((name),1)
 #define cvvSaveImage cvSaveImage
 #define cvvAddSearchPath cvAddSearchPath
 #define cvvWaitKey(name) cvWaitKey(0)
 #define cvvWaitKeyEx(name,delay) cvWaitKey(delay)
 #define cvvConvertImage cvConvertImage
 #define HG_AUTOSIZE CV_WINDOW_AUTOSIZE
 #define set_preprocess_func cvSetPreprocessFuncWin32
 #define set_postprocess_func cvSetPostprocessFuncWin32
 
 #if defined WIN32 || defined _WIN32
 
 typedef int (CV_CDECL * CvWin32WindowCallback)(HWND, UINT, WPARAM, LPARAM, int*);
 CVAPI(void) cvSetPreprocessFuncWin32( CvWin32WindowCallback on_preprocess );
 CVAPI(void) cvSetPostprocessFuncWin32( CvWin32WindowCallback on_postprocess );
 
 #endif
 
 #ifdef __cplusplus
 }
 #endif
 
 #endif