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 51extern "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 */ 64enum { 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 71enum { 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) 79CVAPI(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 81CVAPI(void) cvAddText(const CvArr* img, const char* text, CvPoint org, CvFont *arg2); 82 83CVAPI(void) cvDisplayOverlay(const char* name, const char* text, int delayms CV_DEFAULT(0)); 84CVAPI(void) cvDisplayStatusBar(const char* name, const char* text, int delayms CV_DEFAULT(0)); 85 86CVAPI(void) cvSaveWindowParameters(const char* name); 87CVAPI(void) cvLoadWindowParameters(const char* name); 88CVAPI(int) cvStartLoop(int (*pt2Func)(int argc, char *argv[]), int argc, char* argv[]); 89CVAPI(void) cvStopLoop( void ); 90 91typedef void (CV_CDECL *CvButtonCallback)(int state, void* userdata); 92enum {CV_PUSH_BUTTON = 0, CV_CHECKBOX = 1, CV_RADIOBOX = 2}; 93CVAPI(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 */ 98CVAPI(int) cvInitSystem( int argc, char** argv ); 99 100CVAPI(int) cvStartWindowThread( void ); 101 102// --------- YV --------- 103enum 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 */ 127CVAPI(int) cvNamedWindow( const char* name, int flags CV_DEFAULT(CV_WINDOW_AUTOSIZE) ); 128 129/* Set and Get Property of the window */ 130CVAPI(void) cvSetWindowProperty(const char* name, int prop_id, double prop_value); 131CVAPI(double) cvGetWindowProperty(const char* name, int prop_id); 132 133/* display image within window (highgui windows remember their content) */ 134CVAPI(void) cvShowImage( const char* name, const CvArr* image ); 135 136/* resize/move window */ 137CVAPI(void) cvResizeWindow( const char* name, int width, int height ); 138CVAPI(void) cvMoveWindow( const char* name, int x, int y ); 139 140 141/* destroy window and all the trackers associated with it */ 142CVAPI(void) cvDestroyWindow( const char* name ); 143 144CVAPI(void) cvDestroyAllWindows(void); 145 146/* get native window handle (HWND in case of Win32 and Widget in case of X Window) */ 147CVAPI(void*) cvGetWindowHandle( const char* name ); 148 149/* get name of highgui window given its native handle */ 150CVAPI(const char*) cvGetWindowName( void* window_handle ); 151 152 153typedef void (CV_CDECL *CvTrackbarCallback)(int pos); 154 155/* create trackbar and display it on top of given window, set callback */ 156CVAPI(int) cvCreateTrackbar( const char* trackbar_name, const char* window_name, 157 int* value, int count, CvTrackbarCallback on_change CV_DEFAULT(NULL)); 158 159typedef void (CV_CDECL *CvTrackbarCallback2)(int pos, void* userdata); 160 161CVAPI(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 */ 166CVAPI(int) cvGetTrackbarPos( const char* trackbar_name, const char* window_name ); 167CVAPI(void) cvSetTrackbarPos( const char* trackbar_name, const char* window_name, int pos ); 168CVAPI(void) cvSetTrackbarMax(const char* trackbar_name, const char* window_name, int maxval); 169 170enum 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 186enum 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 199typedef void (CV_CDECL *CvMouseCallback )(int event, int x, int y, int flags, void* param); 200 201/* assign callback for mouse events */ 202CVAPI(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 */ 206CVAPI(int) cvWaitKey(int delay CV_DEFAULT(0)); 207 208// OpenGL support 209 210typedef void (CV_CDECL *CvOpenGlDrawCallback)(void* userdata); 211CVAPI(void) cvSetOpenGlDrawCallback(const char* window_name, CvOpenGlDrawCallback callback, void* userdata CV_DEFAULT(NULL)); 212 213CVAPI(void) cvSetOpenGlContext(const char* window_name); 214CVAPI(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 238CVAPI(void) cvSetPreprocessFuncWin32_(const void* callback); 239CVAPI(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