highgui_c.h 10 KB

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  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:
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  19. // * Redistribution's of source code must retain the above copyright notice,
  20. // this list of conditions and the following disclaimer.
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  23. // this list of conditions and the following disclaimer in the documentation
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  26. // * The name of Intel Corporation may not be used to endorse or promote products
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  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;
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  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. #ifndef OPENCV_HIGHGUI_H
  42. #define OPENCV_HIGHGUI_H
  43. #include "opencv2/core/core_c.h"
  44. #include "opencv2/imgproc/imgproc_c.h"
  45. #ifdef __cplusplus
  46. extern "C" {
  47. #endif /* __cplusplus */
  48. /** @addtogroup highgui_c
  49. @{
  50. */
  51. /****************************************************************************************\
  52. * Basic GUI functions *
  53. \****************************************************************************************/
  54. //YV
  55. //-----------New for Qt
  56. /* For font */
  57. enum { CV_FONT_LIGHT = 25,//QFont::Light,
  58. CV_FONT_NORMAL = 50,//QFont::Normal,
  59. CV_FONT_DEMIBOLD = 63,//QFont::DemiBold,
  60. CV_FONT_BOLD = 75,//QFont::Bold,
  61. CV_FONT_BLACK = 87 //QFont::Black
  62. };
  63. enum { CV_STYLE_NORMAL = 0,//QFont::StyleNormal,
  64. CV_STYLE_ITALIC = 1,//QFont::StyleItalic,
  65. CV_STYLE_OBLIQUE = 2 //QFont::StyleOblique
  66. };
  67. /* ---------*/
  68. //for color cvScalar(blue_component, green_component, red_component[, alpha_component])
  69. //and alpha= 0 <-> 0xFF (not transparent <-> transparent)
  70. 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));
  71. CVAPI(void) cvAddText(const CvArr* img, const char* text, CvPoint org, CvFont *arg2);
  72. CVAPI(void) cvDisplayOverlay(const char* name, const char* text, int delayms CV_DEFAULT(0));
  73. CVAPI(void) cvDisplayStatusBar(const char* name, const char* text, int delayms CV_DEFAULT(0));
  74. CVAPI(void) cvSaveWindowParameters(const char* name);
  75. CVAPI(void) cvLoadWindowParameters(const char* name);
  76. CVAPI(int) cvStartLoop(int (*pt2Func)(int argc, char *argv[]), int argc, char* argv[]);
  77. CVAPI(void) cvStopLoop( void );
  78. typedef void (CV_CDECL *CvButtonCallback)(int state, void* userdata);
  79. enum {CV_PUSH_BUTTON = 0, CV_CHECKBOX = 1, CV_RADIOBOX = 2};
  80. 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));
  81. //----------------------
  82. /* this function is used to set some external parameters in case of X Window */
  83. CVAPI(int) cvInitSystem( int argc, char** argv );
  84. CVAPI(int) cvStartWindowThread( void );
  85. // --------- YV ---------
  86. enum
  87. {
  88. //These 3 flags are used by cvSet/GetWindowProperty
  89. CV_WND_PROP_FULLSCREEN = 0, //to change/get window's fullscreen property
  90. CV_WND_PROP_AUTOSIZE = 1, //to change/get window's autosize property
  91. CV_WND_PROP_ASPECTRATIO= 2, //to change/get window's aspectratio property
  92. CV_WND_PROP_OPENGL = 3, //to change/get window's opengl support
  93. CV_WND_PROP_VISIBLE = 4,
  94. //These 2 flags are used by cvNamedWindow and cvSet/GetWindowProperty
  95. CV_WINDOW_NORMAL = 0x00000000, //the user can resize the window (no constraint) / also use to switch a fullscreen window to a normal size
  96. CV_WINDOW_AUTOSIZE = 0x00000001, //the user cannot resize the window, the size is constrainted by the image displayed
  97. CV_WINDOW_OPENGL = 0x00001000, //window with opengl support
  98. //Those flags are only for Qt
  99. CV_GUI_EXPANDED = 0x00000000, //status bar and tool bar
  100. CV_GUI_NORMAL = 0x00000010, //old fashious way
  101. //These 3 flags are used by cvNamedWindow and cvSet/GetWindowProperty
  102. CV_WINDOW_FULLSCREEN = 1,//change the window to fullscreen
  103. CV_WINDOW_FREERATIO = 0x00000100,//the image expends as much as it can (no ratio constraint)
  104. CV_WINDOW_KEEPRATIO = 0x00000000//the ration image is respected.
  105. };
  106. /* create window */
  107. CVAPI(int) cvNamedWindow( const char* name, int flags CV_DEFAULT(CV_WINDOW_AUTOSIZE) );
  108. /* Set and Get Property of the window */
  109. CVAPI(void) cvSetWindowProperty(const char* name, int prop_id, double prop_value);
  110. CVAPI(double) cvGetWindowProperty(const char* name, int prop_id);
  111. /* display image within window (highgui windows remember their content) */
  112. CVAPI(void) cvShowImage( const char* name, const CvArr* image );
  113. /* resize/move window */
  114. CVAPI(void) cvResizeWindow( const char* name, int width, int height );
  115. CVAPI(void) cvMoveWindow( const char* name, int x, int y );
  116. /* destroy window and all the trackers associated with it */
  117. CVAPI(void) cvDestroyWindow( const char* name );
  118. CVAPI(void) cvDestroyAllWindows(void);
  119. /* get native window handle (HWND in case of Win32 and Widget in case of X Window) */
  120. CVAPI(void*) cvGetWindowHandle( const char* name );
  121. /* get name of highgui window given its native handle */
  122. CVAPI(const char*) cvGetWindowName( void* window_handle );
  123. typedef void (CV_CDECL *CvTrackbarCallback)(int pos);
  124. /* create trackbar and display it on top of given window, set callback */
  125. CVAPI(int) cvCreateTrackbar( const char* trackbar_name, const char* window_name,
  126. int* value, int count, CvTrackbarCallback on_change CV_DEFAULT(NULL));
  127. typedef void (CV_CDECL *CvTrackbarCallback2)(int pos, void* userdata);
  128. CVAPI(int) cvCreateTrackbar2( const char* trackbar_name, const char* window_name,
  129. int* value, int count, CvTrackbarCallback2 on_change,
  130. void* userdata CV_DEFAULT(0));
  131. /* retrieve or set trackbar position */
  132. CVAPI(int) cvGetTrackbarPos( const char* trackbar_name, const char* window_name );
  133. CVAPI(void) cvSetTrackbarPos( const char* trackbar_name, const char* window_name, int pos );
  134. CVAPI(void) cvSetTrackbarMax(const char* trackbar_name, const char* window_name, int maxval);
  135. CVAPI(void) cvSetTrackbarMin(const char* trackbar_name, const char* window_name, int minval);
  136. enum
  137. {
  138. CV_EVENT_MOUSEMOVE =0,
  139. CV_EVENT_LBUTTONDOWN =1,
  140. CV_EVENT_RBUTTONDOWN =2,
  141. CV_EVENT_MBUTTONDOWN =3,
  142. CV_EVENT_LBUTTONUP =4,
  143. CV_EVENT_RBUTTONUP =5,
  144. CV_EVENT_MBUTTONUP =6,
  145. CV_EVENT_LBUTTONDBLCLK =7,
  146. CV_EVENT_RBUTTONDBLCLK =8,
  147. CV_EVENT_MBUTTONDBLCLK =9,
  148. CV_EVENT_MOUSEWHEEL =10,
  149. CV_EVENT_MOUSEHWHEEL =11
  150. };
  151. enum
  152. {
  153. CV_EVENT_FLAG_LBUTTON =1,
  154. CV_EVENT_FLAG_RBUTTON =2,
  155. CV_EVENT_FLAG_MBUTTON =4,
  156. CV_EVENT_FLAG_CTRLKEY =8,
  157. CV_EVENT_FLAG_SHIFTKEY =16,
  158. CV_EVENT_FLAG_ALTKEY =32
  159. };
  160. #define CV_GET_WHEEL_DELTA(flags) ((short)((flags >> 16) & 0xffff)) // upper 16 bits
  161. typedef void (CV_CDECL *CvMouseCallback )(int event, int x, int y, int flags, void* param);
  162. /* assign callback for mouse events */
  163. CVAPI(void) cvSetMouseCallback( const char* window_name, CvMouseCallback on_mouse,
  164. void* param CV_DEFAULT(NULL));
  165. /* wait for key event infinitely (delay<=0) or for "delay" milliseconds */
  166. CVAPI(int) cvWaitKey(int delay CV_DEFAULT(0));
  167. // OpenGL support
  168. typedef void (CV_CDECL *CvOpenGlDrawCallback)(void* userdata);
  169. CVAPI(void) cvSetOpenGlDrawCallback(const char* window_name, CvOpenGlDrawCallback callback, void* userdata CV_DEFAULT(NULL));
  170. CVAPI(void) cvSetOpenGlContext(const char* window_name);
  171. CVAPI(void) cvUpdateWindow(const char* window_name);
  172. /****************************************************************************************\
  173. * Obsolete functions/synonyms *
  174. \****************************************************************************************/
  175. #define cvAddSearchPath(path)
  176. #define cvvInitSystem cvInitSystem
  177. #define cvvNamedWindow cvNamedWindow
  178. #define cvvShowImage cvShowImage
  179. #define cvvResizeWindow cvResizeWindow
  180. #define cvvDestroyWindow cvDestroyWindow
  181. #define cvvCreateTrackbar cvCreateTrackbar
  182. #define cvvAddSearchPath cvAddSearchPath
  183. #define cvvWaitKey(name) cvWaitKey(0)
  184. #define cvvWaitKeyEx(name,delay) cvWaitKey(delay)
  185. #define HG_AUTOSIZE CV_WINDOW_AUTOSIZE
  186. #define set_preprocess_func cvSetPreprocessFuncWin32
  187. #define set_postprocess_func cvSetPostprocessFuncWin32
  188. #if defined _WIN32
  189. CVAPI(void) cvSetPreprocessFuncWin32_(const void* callback);
  190. CVAPI(void) cvSetPostprocessFuncWin32_(const void* callback);
  191. #define cvSetPreprocessFuncWin32(callback) cvSetPreprocessFuncWin32_((const void*)(callback))
  192. #define cvSetPostprocessFuncWin32(callback) cvSetPostprocessFuncWin32_((const void*)(callback))
  193. #endif
  194. /** @} highgui_c */
  195. #ifdef __cplusplus
  196. }
  197. #endif
  198. #endif