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 48 #ifdef __cplusplus 49 extern "C" { 50 #endif /* __cplusplus */ 51 52 /** @addtogroup highgui_c 53 @{ 54 */ 55 56 /****************************************************************************************\ 57 * Basic GUI functions * 58 \****************************************************************************************/ 59 //YV 60 //-----------New for Qt 61 /* For font */ 62 enum { CV_FONT_LIGHT = 25,//QFont::Light, 63 CV_FONT_NORMAL = 50,//QFont::Normal, 64 CV_FONT_DEMIBOLD = 63,//QFont::DemiBold, 65 CV_FONT_BOLD = 75,//QFont::Bold, 66 CV_FONT_BLACK = 87 //QFont::Black 67 }; 68 69 enum { CV_STYLE_NORMAL = 0,//QFont::StyleNormal, 70 CV_STYLE_ITALIC = 1,//QFont::StyleItalic, 71 CV_STYLE_OBLIQUE = 2 //QFont::StyleOblique 72 }; 73 /* ---------*/ 74 75 //for color cvScalar(blue_component, green_component, red_component[, alpha_component]) 76 //and alpha= 0 <-> 0xFF (not transparent <-> transparent) 77 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)); 78 79 CVAPI(void) cvAddText(const CvArr* img, const char* text, CvPoint org, CvFont *arg2); 80 81 CVAPI(void) cvDisplayOverlay(const char* name, const char* text, int delayms CV_DEFAULT(0)); 82 CVAPI(void) cvDisplayStatusBar(const char* name, const char* text, int delayms CV_DEFAULT(0)); 83 84 CVAPI(void) cvSaveWindowParameters(const char* name); 85 CVAPI(void) cvLoadWindowParameters(const char* name); 86 CVAPI(int) cvStartLoop(int (*pt2Func)(int argc, char *argv[]), int argc, char* argv[]); 87 CVAPI(void) cvStopLoop( void ); 88 89 typedef void (CV_CDECL *CvButtonCallback)(int state, void* userdata); 90 enum {CV_PUSH_BUTTON = 0, CV_CHECKBOX = 1, CV_RADIOBOX = 2}; 91 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)); 92 //---------------------- 93 94 95 /* this function is used to set some external parameters in case of X Window */ 96 CVAPI(int) cvInitSystem( int argc, char** argv ); 97 98 CVAPI(int) cvStartWindowThread( void ); 99 100 // --------- YV --------- 101 enum 102 { 103 //These 3 flags are used by cvSet/GetWindowProperty 104 CV_WND_PROP_FULLSCREEN = 0, //to change/get window's fullscreen property 105 CV_WND_PROP_AUTOSIZE = 1, //to change/get window's autosize property 106 CV_WND_PROP_ASPECTRATIO= 2, //to change/get window's aspectratio property 107 CV_WND_PROP_OPENGL = 3, //to change/get window's opengl support 108 CV_WND_PROP_VISIBLE = 4, 109 110 //These 2 flags are used by cvNamedWindow and cvSet/GetWindowProperty 111 CV_WINDOW_NORMAL = 0x00000000, //the user can resize the window (no constraint) / also use to switch a fullscreen window to a normal size 112 CV_WINDOW_AUTOSIZE = 0x00000001, //the user cannot resize the window, the size is constrainted by the image displayed 113 CV_WINDOW_OPENGL = 0x00001000, //window with opengl support 114 115 //Those flags are only for Qt 116 CV_GUI_EXPANDED = 0x00000000, //status bar and tool bar 117 CV_GUI_NORMAL = 0x00000010, //old fashious way 118 119 //These 3 flags are used by cvNamedWindow and cvSet/GetWindowProperty 120 CV_WINDOW_FULLSCREEN = 1,//change the window to fullscreen 121 CV_WINDOW_FREERATIO = 0x00000100,//the image expends as much as it can (no ratio constraint) 122 CV_WINDOW_KEEPRATIO = 0x00000000//the ration image is respected. 123 }; 124 125 /* create window */ 126 CVAPI(int) cvNamedWindow( const char* name, int flags CV_DEFAULT(CV_WINDOW_AUTOSIZE) ); 127 128 /* Set and Get Property of the window */ 129 CVAPI(void) cvSetWindowProperty(const char* name, int prop_id, double prop_value); 130 CVAPI(double) cvGetWindowProperty(const char* name, int prop_id); 131 132 #ifdef __cplusplus // FIXIT remove in OpenCV 4.0 133 /* Get window image rectangle coordinates, width and height */ 134 CVAPI(cv::Rect)cvGetWindowImageRect(const char* name); 135 #endif 136 137 /* display image within window (highgui windows remember their content) */ 138 CVAPI(void) cvShowImage( const char* name, const CvArr* image ); 139 140 /* resize/move window */ 141 CVAPI(void) cvResizeWindow( const char* name, int width, int height ); 142 CVAPI(void) cvMoveWindow( const char* name, int x, int y ); 143 144 145 /* destroy window and all the trackers associated with it */ 146 CVAPI(void) cvDestroyWindow( const char* name ); 147 148 CVAPI(void) cvDestroyAllWindows(void); 149 150 /* get native window handle (HWND in case of Win32 and Widget in case of X Window) */ 151 CVAPI(void*) cvGetWindowHandle( const char* name ); 152 153 /* get name of highgui window given its native handle */ 154 CVAPI(const char*) cvGetWindowName( void* window_handle ); 155 156 157 typedef void (CV_CDECL *CvTrackbarCallback)(int pos); 158 159 /* create trackbar and display it on top of given window, set callback */ 160 CVAPI(int) cvCreateTrackbar( const char* trackbar_name, const char* window_name, 161 int* value, int count, CvTrackbarCallback on_change CV_DEFAULT(NULL)); 162 163 typedef void (CV_CDECL *CvTrackbarCallback2)(int pos, void* userdata); 164 165 CVAPI(int) cvCreateTrackbar2( const char* trackbar_name, const char* window_name, 166 int* value, int count, CvTrackbarCallback2 on_change, 167 void* userdata CV_DEFAULT(0)); 168 169 /* retrieve or set trackbar position */ 170 CVAPI(int) cvGetTrackbarPos( const char* trackbar_name, const char* window_name ); 171 CVAPI(void) cvSetTrackbarPos( const char* trackbar_name, const char* window_name, int pos ); 172 CVAPI(void) cvSetTrackbarMax(const char* trackbar_name, const char* window_name, int maxval); 173 CVAPI(void) cvSetTrackbarMin(const char* trackbar_name, const char* window_name, int minval); 174 175 enum 176 { 177 CV_EVENT_MOUSEMOVE =0, 178 CV_EVENT_LBUTTONDOWN =1, 179 CV_EVENT_RBUTTONDOWN =2, 180 CV_EVENT_MBUTTONDOWN =3, 181 CV_EVENT_LBUTTONUP =4, 182 CV_EVENT_RBUTTONUP =5, 183 CV_EVENT_MBUTTONUP =6, 184 CV_EVENT_LBUTTONDBLCLK =7, 185 CV_EVENT_RBUTTONDBLCLK =8, 186 CV_EVENT_MBUTTONDBLCLK =9, 187 CV_EVENT_MOUSEWHEEL =10, 188 CV_EVENT_MOUSEHWHEEL =11 189 }; 190 191 enum 192 { 193 CV_EVENT_FLAG_LBUTTON =1, 194 CV_EVENT_FLAG_RBUTTON =2, 195 CV_EVENT_FLAG_MBUTTON =4, 196 CV_EVENT_FLAG_CTRLKEY =8, 197 CV_EVENT_FLAG_SHIFTKEY =16, 198 CV_EVENT_FLAG_ALTKEY =32 199 }; 200 201 202 #define CV_GET_WHEEL_DELTA(flags) ((short)((flags >> 16) & 0xffff)) // upper 16 bits 203 204 typedef void (CV_CDECL *CvMouseCallback )(int event, int x, int y, int flags, void* param); 205 206 /* assign callback for mouse events */ 207 CVAPI(void) cvSetMouseCallback( const char* window_name, CvMouseCallback on_mouse, 208 void* param CV_DEFAULT(NULL)); 209 210 /* wait for key event infinitely (delay<=0) or for "delay" milliseconds */ 211 CVAPI(int) cvWaitKey(int delay CV_DEFAULT(0)); 212 213 // OpenGL support 214 215 typedef void (CV_CDECL *CvOpenGlDrawCallback)(void* userdata); 216 CVAPI(void) cvSetOpenGlDrawCallback(const char* window_name, CvOpenGlDrawCallback callback, void* userdata CV_DEFAULT(NULL)); 217 218 CVAPI(void) cvSetOpenGlContext(const char* window_name); 219 CVAPI(void) cvUpdateWindow(const char* window_name); 220 221 222 /****************************************************************************************\ 223 224 * Obsolete functions/synonyms * 225 \****************************************************************************************/ 226 227 #define cvAddSearchPath(path) 228 #define cvvInitSystem cvInitSystem 229 #define cvvNamedWindow cvNamedWindow 230 #define cvvShowImage cvShowImage 231 #define cvvResizeWindow cvResizeWindow 232 #define cvvDestroyWindow cvDestroyWindow 233 #define cvvCreateTrackbar cvCreateTrackbar 234 #define cvvAddSearchPath cvAddSearchPath 235 #define cvvWaitKey(name) cvWaitKey(0) 236 #define cvvWaitKeyEx(name,delay) cvWaitKey(delay) 237 #define HG_AUTOSIZE CV_WINDOW_AUTOSIZE 238 #define set_preprocess_func cvSetPreprocessFuncWin32 239 #define set_postprocess_func cvSetPostprocessFuncWin32 240 241 #if defined _WIN32 242 243 CVAPI(void) cvSetPreprocessFuncWin32_(const void* callback); 244 CVAPI(void) cvSetPostprocessFuncWin32_(const void* callback); 245 #define cvSetPreprocessFuncWin32(callback) cvSetPreprocessFuncWin32_((const void*)(callback)) 246 #define cvSetPostprocessFuncWin32(callback) cvSetPostprocessFuncWin32_((const void*)(callback)) 247 248 #endif 249 250 /** @} highgui_c */ 251 252 #ifdef __cplusplus 253 } 254 #endif 255 256 #endif 257