Classes

struct   cv::QtFont

  QtFont available only for Qt. See cv::fontQt. More...

 

Namespaces

  cv

  "black box" representation of the file storage associated with a file on disk.

 

Typedefs

typedef void(*  cv::ButtonCallback) (int state, void *userdata)

  Callback function for a button created by cv::createButton. More...

 

typedef void(*  cv::MouseCallback) (int event, int x, int y, int flags, void *userdata)

  Callback function for mouse events. see cv::setMouseCallback. More...

 

typedef void(*  cv::OpenGlDrawCallback) (void *userdata)

  Callback function defined to be called every frame. See cv::setOpenGlDrawCallback. More...

 

typedef void(*  cv::TrackbarCallback) (int pos, void *userdata)

  Callback function for Trackbar see cv::createTrackbar. More...

 

Enumerations

enum   cv::MouseEventFlags {
  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
}

 

enum   cv::MouseEventTypes {
  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,
  cv::EVENT_MOUSEWHEEL = 10,
  cv::EVENT_MOUSEHWHEEL = 11
}

 

enum   cv::QtButtonTypes {
  cv::QT_PUSH_BUTTON = 0,
  cv::QT_CHECKBOX = 1,
  cv::QT_RADIOBOX = 2,
  cv::QT_NEW_BUTTONBAR = 1024
}

 

enum   cv::QtFontStyles {
  cv::QT_STYLE_NORMAL = 0,
  cv::QT_STYLE_ITALIC = 1,
  cv::QT_STYLE_OBLIQUE = 2
}

 

enum   cv::QtFontWeights {
  cv::QT_FONT_LIGHT = 25,
  cv::QT_FONT_NORMAL = 50,
  cv::QT_FONT_DEMIBOLD = 63,
  cv::QT_FONT_BOLD = 75,
  cv::QT_FONT_BLACK = 87
}

 

enum   cv::WindowFlags {
  cv::WINDOW_NORMAL = 0x00000000,
  cv::WINDOW_AUTOSIZE = 0x00000001,
  cv::WINDOW_OPENGL = 0x00001000,
  cv::WINDOW_FULLSCREEN = 1,
  cv::WINDOW_FREERATIO = 0x00000100,
  cv::WINDOW_KEEPRATIO = 0x00000000,
  cv::WINDOW_GUI_EXPANDED =0x00000000,
  cv::WINDOW_GUI_NORMAL = 0x00000010
}

 

enum   cv::WindowPropertyFlags {
  cv::WND_PROP_FULLSCREEN = 0,
  cv::WND_PROP_AUTOSIZE = 1,
  cv::WND_PROP_ASPECT_RATIO = 2,
  cv::WND_PROP_OPENGL = 3,
  cv::WND_PROP_VISIBLE = 4
}

 

Functions

void  cv::addText (const Mat &img, const String &text, Point org, const QtFont &font)

  Draws a text on the image. More...

 

void  cv::addText (const Mat &img, const String &text, Point org, const String &nameFont, int pointSize=-1, Scalar color=Scalar::all(0), int weight=QT_FONT_NORMAL, int style=QT_STYLE_NORMAL, int spacing=0)

  Draws a text on the image. More...

 

int  cv::createButton (const String &bar_name, ButtonCallback on_change, void *userdata=0, int type=QT_PUSH_BUTTON, bool initial_button_state=false)

  Attaches a button to the control panel. More...

 

int  cv::createTrackbar (const String &trackbarname, const String &winname, int *value, int count, TrackbarCallback onChange=0, void *userdata=0)

  Creates a trackbar and attaches it to the specified window. More...

 

void  cv::destroyAllWindows ()

  Destroys all of the HighGUI windows. More...

 

void  cv::destroyWindow (const String &winname)

  Destroys the specified window. More...

 

void  cv::displayOverlay (const String &winname, const String &text, int delayms=0)

  Displays a text on a window image as an overlay for a specified duration. More...

 

void  cv::displayStatusBar (const String &winname, const String &text, int delayms=0)

  Displays a text on the window statusbar during the specified period of time. More...

 

QtFont  cv::fontQt (const String &nameFont, int pointSize=-1, Scalar color=Scalar::all(0), int weight=QT_FONT_NORMAL, int style=QT_STYLE_NORMAL, int spacing=0)

  Creates the font to draw a text on an image. More...

 

int  cv::getMouseWheelDelta (int flags)

  Gets the mouse-wheel motion delta, when handling mouse-wheel events cv::EVENT_MOUSEWHEEL and cv::EVENT_MOUSEHWHEEL. More...

 

int  cv::getTrackbarPos (const String &trackbarname, const String &winname)

  Returns the trackbar position. More...

 

Rect  cv::getWindowImageRect (const String &winname)

  Provides rectangle of image in the window. More...

 

double  cv::getWindowProperty (const String &winname, int prop_id)

  Provides parameters of a window. More...

 

void  cv::imshow (const String &winname, InputArray mat)

  Displays an image in the specified window. More...

 

void  cv::imshow (const String &winname, const ogl::Texture2D &tex)

  Displays OpenGL 2D texture in the specified window. More...

 

void  cv::loadWindowParameters (const String &windowName)

  Loads parameters of the specified window. More...

 

void  cv::moveWindow (const String &winname, int x, int y)

  Moves window to the specified position. More...

 

void  cv::namedWindow (const String &winname, int flags=WINDOW_AUTOSIZE)

  Creates a window. More...

 

void  cv::resizeWindow (const String &winname, int width, int height)

  Resizes window to the specified size. More...

 

void  cv::resizeWindow (const String &winname, const cv::Size &size)

 

void  cv::saveWindowParameters (const String &windowName)

  Saves parameters of the specified window. More...

 

Rect  cv::selectROI (const String &windowName, InputArray img, bool showCrosshair=true, bool fromCenter=false)

  Selects ROI on the given image. Function creates a window and allows user to select a ROI using mouse. Controls: use space or enter to finish selection, use key c to cancel selection (function will return the zero cv::Rect). More...

 

Rect  cv::selectROI (InputArray img, bool showCrosshair=true, bool fromCenter=false)

 

void  cv::selectROIs (const String &windowName, InputArray img, std::vector< Rect > &boundingBoxes, bool showCrosshair=true, bool fromCenter=false)

  Selects ROIs on the given image. Function creates a window and allows user to select a ROIs using mouse. Controls: use space or enter to finish current selection and start a new one, use esc to terminate multiple ROI selection process. More...

 

void  cv::setMouseCallback (const String &winname, MouseCallback onMouse, void *userdata=0)

  Sets mouse handler for the specified window. More...

 

void  cv::setOpenGlContext (const String &winname)

  Sets the specified window as current OpenGL context. More...

 

void  cv::setOpenGlDrawCallback (const String &winname, OpenGlDrawCallback onOpenGlDraw, void *userdata=0)

  Sets a callback function to be called to draw on top of displayed image. More...

 

void  cv::setTrackbarMax (const String &trackbarname, const String &winname, int maxval)

  Sets the trackbar maximum position. More...

 

void  cv::setTrackbarMin (const String &trackbarname, const String &winname, int minval)

  Sets the trackbar minimum position. More...

 

void  cv::setTrackbarPos (const String &trackbarname, const String &winname, int pos)

  Sets the trackbar position. More...

 

void  cv::setWindowProperty (const String &winname, int prop_id, double prop_value)

  Changes parameters of a window dynamically. More...

 

void  cv::setWindowTitle (const String &winname, const String &title)

  Updates window title. More...

 

int  cv::startLoop (int(*pt2Func)(int argc, char *argv[]), int argc, char *argv[])

 

int  cv::startWindowThread ()

 

void  cv::stopLoop ()

 

void  cv::updateWindow (const String &winname)

  Force window to redraw its context and call draw callback ( See cv::setOpenGlDrawCallback ). More...

 

int  cv::waitKey (int delay=0)

  Waits for a pressed key. More...

 

int  cv::waitKeyEx (int delay=0)

  Similar to waitKey, but returns full key code. More...