1 /*M/////////////////////////////////////////////////////////////////////////////////////// 2 // 3 // IMPORTANT: READ BEFORE DOWNLOADING, COPYING, INSTALLING OR USING. 4 // 5 // By downloading, copying, installing or using the software you agree to this license. 6 // If you do not agree to this license, do not download, install, 7 // copy or use the software. 8 // 9 // 10 // Intel License Agreement 11 // For Open Source Computer Vision Library 12 // 13 // Copyright (C) 2000, Intel Corporation, all rights reserved. 14 // Third party copyrights are property of their respective owners. 15 // 16 // Redistribution and use in source and binary forms, with or without modification, 17 // are permitted provided that the following conditions are met: 18 // 19 // * Redistribution's of source code must retain the above copyright notice, 20 // this list of conditions and the following disclaimer. 21 // 22 // * Redistribution's in binary form must reproduce the above copyright notice, 23 // this list of conditions and the following disclaimer in the documentation 24 // and/or other materials provided with the distribution. 25 // 26 // * The name of Intel Corporation may not be used to endorse or promote products 27 // derived from this software without specific prior written permission. 28 // 29 // This software is provided by the copyright holders and contributors "as is" and 30 // any express or implied warranties, including, but not limited to, the implied 31 // warranties of merchantability and fitness for a particular purpose are disclaimed. 32 // In no event shall the Intel Corporation or contributors be liable for any direct, 33 // indirect, incidental, special, exemplary, or consequential damages 34 // (including, but not limited to, procurement of substitute goods or services; 35 // loss of use, data, or profits; or business interruption) however caused 36 // and on any theory of liability, whether in contract, strict liability, 37 // or tort (including negligence or otherwise) arising in any way out of 38 // the use of this software, even if advised of the possibility of such damage. 39 // 40 //M*/ 41 42 #ifndef __OPENCV_HIGHGUI_H__ 43 #define __OPENCV_HIGHGUI_H__ 44 45 #include "opencv2/core/core_c.h" 46 #include "opencv2/imgproc/imgproc_c.h" 47 #include "opencv2/imgcodecs/imgcodecs_c.h" 48 #include "opencv2/videoio/videoio_c.h" 49 50 #ifdef __cplusplus 51 extern "C" { 52 #endif /* __cplusplus */ 53 54 /** @addtogroup highgui_c 55 @{ 56 */ 57 58 /****************************************************************************************\ 59 * Basic GUI functions * 60 \****************************************************************************************/ 61 //YV 62 //-----------New for Qt 63 /* For font */ 64 enum { CV_FONT_LIGHT = 25,//QFont::Light, 65 CV_FONT_NORMAL = 50,//QFont::Normal, 66 CV_FONT_DEMIBOLD = 63,//QFont::DemiBold, 67 CV_FONT_BOLD = 75,//QFont::Bold, 68 CV_FONT_BLACK = 87 //QFont::Black 69 }; 70 71 enum { CV_STYLE_NORMAL = 0,//QFont::StyleNormal, 72 CV_STYLE_ITALIC = 1,//QFont::StyleItalic, 73 CV_STYLE_OBLIQUE = 2 //QFont::StyleOblique 74 }; 75 /* ---------*/ 76 77 //for color cvScalar(blue_component, green_component, red_component[, alpha_component]) 78 //and alpha= 0 <-> 0xFF (not transparent <-> transparent) 79 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)); 80 81 CVAPI(void) cvAddText(const CvArr* img, const char* text, CvPoint org, CvFont *arg2); 82 83 CVAPI(void) cvDisplayOverlay(const char* name, const char* text, int delayms CV_DEFAULT(0)); 84 CVAPI(void) cvDisplayStatusBar(const char* name, const char* text, int delayms CV_DEFAULT(0)); 85 86 CVAPI(void) cvSaveWindowParameters(const char* name); 87 CVAPI(void) cvLoadWindowParameters(const char* name); 88 CVAPI(int) cvStartLoop(int (*pt2Func)(int argc, char *argv[]), int argc, char* argv[]); 89 CVAPI(void) cvStopLoop( void ); 90 91 typedef void (CV_CDECL *CvButtonCallback)(int state, void* userdata); 92 enum {CV_PUSH_BUTTON = 0, CV_CHECKBOX = 1, CV_RADIOBOX = 2}; 93 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)); 94 //---------------------- 95 96 97 /* this function is used to set some external parameters in case of X Window */ 98 CVAPI(int) cvInitSystem( int argc, char** argv ); 99 100 CVAPI(int) cvStartWindowThread( void ); 101 102 // --------- YV --------- 103 enum 104 { 105 //These 3 flags are used by cvSet/GetWindowProperty 106 CV_WND_PROP_FULLSCREEN = 0, //to change/get window's fullscreen property 107 CV_WND_PROP_AUTOSIZE = 1, //to change/get window's autosize property 108 CV_WND_PROP_ASPECTRATIO= 2, //to change/get window's aspectratio property 109 CV_WND_PROP_OPENGL = 3, //to change/get window's opengl support 110 111 //These 2 flags are used by cvNamedWindow and cvSet/GetWindowProperty 112 CV_WINDOW_NORMAL = 0x00000000, //the user can resize the window (no constraint) / also use to switch a fullscreen window to a normal size 113 CV_WINDOW_AUTOSIZE = 0x00000001, //the user cannot resize the window, the size is constrainted by the image displayed 114 CV_WINDOW_OPENGL = 0x00001000, //window with opengl support 115 116 //Those flags are only for Qt 117 CV_GUI_EXPANDED = 0x00000000, //status bar and tool bar 118 CV_GUI_NORMAL = 0x00000010, //old fashious way 119 120 //These 3 flags are used by cvNamedWindow and cvSet/GetWindowProperty 121 CV_WINDOW_FULLSCREEN = 1,//change the window to fullscreen 122 CV_WINDOW_FREERATIO = 0x00000100,//the image expends as much as it can (no ratio constraint) 123 CV_WINDOW_KEEPRATIO = 0x00000000//the ration image is respected. 124 }; 125 126 /* create window */ 127 CVAPI(int) cvNamedWindow( const char* name, int flags CV_DEFAULT(CV_WINDOW_AUTOSIZE) ); 128 129 /* Set and Get Property of the window */ 130 CVAPI(void) cvSetWindowProperty(const char* name, int prop_id, double prop_value); 131 CVAPI(double) cvGetWindowProperty(const char* name, int prop_id); 132 133 /* display image within window (highgui windows remember their content) */ 134 CVAPI(void) cvShowImage( const char* name, const CvArr* image ); 135 136 /* resize/move window */ 137 CVAPI(void) cvResizeWindow( const char* name, int width, int height ); 138 CVAPI(void) cvMoveWindow( const char* name, int x, int y ); 139 140 141 /* destroy window and all the trackers associated with it */ 142 CVAPI(void) cvDestroyWindow( const char* name ); 143 144 CVAPI(void) cvDestroyAllWindows(void); 145 146 /* get native window handle (HWND in case of Win32 and Widget in case of X Window) */ 147 CVAPI(void*) cvGetWindowHandle( const char* name ); 148 149 /* get name of highgui window given its native handle */ 150 CVAPI(const char*) cvGetWindowName( void* window_handle ); 151 152 153 typedef void (CV_CDECL *CvTrackbarCallback)(int pos); 154 155 /* create trackbar and display it on top of given window, set callback */ 156 CVAPI(int) cvCreateTrackbar( const char* trackbar_name, const char* window_name, 157 int* value, int count, CvTrackbarCallback on_change CV_DEFAULT(NULL)); 158 159 typedef void (CV_CDECL *CvTrackbarCallback2)(int pos, void* userdata); 160 161 CVAPI(int) cvCreateTrackbar2( const char* trackbar_name, const char* window_name, 162 int* value, int count, CvTrackbarCallback2 on_change, 163 void* userdata CV_DEFAULT(0)); 164 165 /* retrieve or set trackbar position */ 166 CVAPI(int) cvGetTrackbarPos( const char* trackbar_name, const char* window_name ); 167 CVAPI(void) cvSetTrackbarPos( const char* trackbar_name, const char* window_name, int pos ); 168 CVAPI(void) cvSetTrackbarMax(const char* trackbar_name, const char* window_name, int maxval); 169 170 enum 171 { 172 CV_EVENT_MOUSEMOVE =0, 173 CV_EVENT_LBUTTONDOWN =1, 174 CV_EVENT_RBUTTONDOWN =2, 175 CV_EVENT_MBUTTONDOWN =3, 176 CV_EVENT_LBUTTONUP =4, 177 CV_EVENT_RBUTTONUP =5, 178 CV_EVENT_MBUTTONUP =6, 179 CV_EVENT_LBUTTONDBLCLK =7, 180 CV_EVENT_RBUTTONDBLCLK =8, 181 CV_EVENT_MBUTTONDBLCLK =9, 182 CV_EVENT_MOUSEWHEEL =10, 183 CV_EVENT_MOUSEHWHEEL =11 184 }; 185 186 enum 187 { 188 CV_EVENT_FLAG_LBUTTON =1, 189 CV_EVENT_FLAG_RBUTTON =2, 190 CV_EVENT_FLAG_MBUTTON =4, 191 CV_EVENT_FLAG_CTRLKEY =8, 192 CV_EVENT_FLAG_SHIFTKEY =16, 193 CV_EVENT_FLAG_ALTKEY =32 194 }; 195 196 197 #define CV_GET_WHEEL_DELTA(flags) ((short)((flags >> 16) & 0xffff)) // upper 16 bits 198 199 typedef void (CV_CDECL *CvMouseCallback )(int event, int x, int y, int flags, void* param); 200 201 /* assign callback for mouse events */ 202 CVAPI(void) cvSetMouseCallback( const char* window_name, CvMouseCallback on_mouse, 203 void* param CV_DEFAULT(NULL)); 204 205 /* wait for key event infinitely (delay<=0) or for "delay" milliseconds */ 206 CVAPI(int) cvWaitKey(int delay CV_DEFAULT(0)); 207 208 // OpenGL support 209 210 typedef void (CV_CDECL *CvOpenGlDrawCallback)(void* userdata); 211 CVAPI(void) cvSetOpenGlDrawCallback(const char* window_name, CvOpenGlDrawCallback callback, void* userdata CV_DEFAULT(NULL)); 212 213 CVAPI(void) cvSetOpenGlContext(const char* window_name); 214 CVAPI(void) cvUpdateWindow(const char* window_name); 215 216 217 /****************************************************************************************\ 218 219 * Obsolete functions/synonyms * 220 \****************************************************************************************/ 221 222 #define cvAddSearchPath(path) 223 #define cvvInitSystem cvInitSystem 224 #define cvvNamedWindow cvNamedWindow 225 #define cvvShowImage cvShowImage 226 #define cvvResizeWindow cvResizeWindow 227 #define cvvDestroyWindow cvDestroyWindow 228 #define cvvCreateTrackbar cvCreateTrackbar 229 #define cvvAddSearchPath cvAddSearchPath 230 #define cvvWaitKey(name) cvWaitKey(0) 231 #define cvvWaitKeyEx(name,delay) cvWaitKey(delay) 232 #define HG_AUTOSIZE CV_WINDOW_AUTOSIZE 233 #define set_preprocess_func cvSetPreprocessFuncWin32 234 #define set_postprocess_func cvSetPostprocessFuncWin32 235 236 #if defined WIN32 || defined _WIN32 237 238 CVAPI(void) cvSetPreprocessFuncWin32_(const void* callback); 239 CVAPI(void) cvSetPostprocessFuncWin32_(const void* callback); 240 #define cvSetPreprocessFuncWin32(callback) cvSetPreprocessFuncWin32_((const void*)(callback)) 241 #define cvSetPostprocessFuncWin32(callback) cvSetPostprocessFuncWin32_((const void*)(callback)) 242 243 #endif 244 245 /** @} highgui_c */ 246 247 #ifdef __cplusplus 248 } 249 #endif 250 251 #endif 252
