Flags related creating and manipulating HighGUI windows and mouse events#

Detailed Description#

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
}

Mouse Event Flags see cv::MouseCallback. View details

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
}

Mouse Events see cv::MouseCallback. View details

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
}

Flags for cv::namedWindow. View details

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,
    cv::WND_PROP_TOPMOST = 5,
    cv::WND_PROP_VSYNC = 6
}

Flags for cv::setWindowProperty / cv::getWindowProperty. View details

Enumeration Type Documentation#

MouseEventFlags#

enum cv::MouseEventFlags

#include <opencv2/highgui.hpp>

Mouse Event Flags see cv::MouseCallback.

Enumerator:

`EVENT_FLAG_LBUTTON` Python: `cv.EVENT_FLAG_LBUTTON`	indicates that the left mouse button is down.
`EVENT_FLAG_RBUTTON` Python: `cv.EVENT_FLAG_RBUTTON`	indicates that the right mouse button is down.
`EVENT_FLAG_MBUTTON` Python: `cv.EVENT_FLAG_MBUTTON`	indicates that the middle mouse button is down.
`EVENT_FLAG_CTRLKEY` Python: `cv.EVENT_FLAG_CTRLKEY`	indicates that CTRL Key is pressed.
`EVENT_FLAG_SHIFTKEY` Python: `cv.EVENT_FLAG_SHIFTKEY`	indicates that SHIFT Key is pressed.
`EVENT_FLAG_ALTKEY` Python: `cv.EVENT_FLAG_ALTKEY`	indicates that ALT Key is pressed.

MouseEventTypes#

enum cv::MouseEventTypes

#include <opencv2/highgui.hpp>

Mouse Events see cv::MouseCallback.

Enumerator:

`EVENT_MOUSEMOVE` Python: `cv.EVENT_MOUSEMOVE`	indicates that the mouse pointer has moved over the window.
`EVENT_LBUTTONDOWN` Python: `cv.EVENT_LBUTTONDOWN`	indicates that the left mouse button is pressed.
`EVENT_RBUTTONDOWN` Python: `cv.EVENT_RBUTTONDOWN`	indicates that the right mouse button is pressed.
`EVENT_MBUTTONDOWN` Python: `cv.EVENT_MBUTTONDOWN`	indicates that the middle mouse button is pressed.
`EVENT_LBUTTONUP` Python: `cv.EVENT_LBUTTONUP`	indicates that left mouse button is released.
`EVENT_RBUTTONUP` Python: `cv.EVENT_RBUTTONUP`	indicates that right mouse button is released.
`EVENT_MBUTTONUP` Python: `cv.EVENT_MBUTTONUP`	indicates that middle mouse button is released.
`EVENT_LBUTTONDBLCLK` Python: `cv.EVENT_LBUTTONDBLCLK`	indicates that left mouse button is double clicked.
`EVENT_RBUTTONDBLCLK` Python: `cv.EVENT_RBUTTONDBLCLK`	indicates that right mouse button is double clicked.
`EVENT_MBUTTONDBLCLK` Python: `cv.EVENT_MBUTTONDBLCLK`	indicates that middle mouse button is double clicked.
`EVENT_MOUSEWHEEL` Python: `cv.EVENT_MOUSEWHEEL`	positive and negative values mean forward and backward scrolling, respectively.
`EVENT_MOUSEHWHEEL` Python: `cv.EVENT_MOUSEHWHEEL`	positive and negative values mean right and left scrolling, respectively.

WindowFlags#

enum cv::WindowFlags

#include <opencv2/highgui.hpp>

Flags for cv::namedWindow.

Enumerator:

`WINDOW_NORMAL` Python: `cv.WINDOW_NORMAL`	the user can resize the window (no constraint) / also use to switch a fullscreen window to a normal size.
`WINDOW_AUTOSIZE` Python: `cv.WINDOW_AUTOSIZE`	the user cannot resize the window, the size is constrainted by the image displayed.
`WINDOW_OPENGL` Python: `cv.WINDOW_OPENGL`	window with opengl support.
`WINDOW_FULLSCREEN` Python: `cv.WINDOW_FULLSCREEN`	change the window to fullscreen.
`WINDOW_FREERATIO` Python: `cv.WINDOW_FREERATIO`	the image expends as much as it can (no ratio constraint).
`WINDOW_KEEPRATIO` Python: `cv.WINDOW_KEEPRATIO`	the ratio of the image is respected.
`WINDOW_GUI_EXPANDED` Python: `cv.WINDOW_GUI_EXPANDED`	status bar and tool bar
`WINDOW_GUI_NORMAL` Python: `cv.WINDOW_GUI_NORMAL`	old fashious way

WindowPropertyFlags#

enum cv::WindowPropertyFlags

#include <opencv2/highgui.hpp>

Flags for cv::setWindowProperty / cv::getWindowProperty.

Enumerator:

`WND_PROP_FULLSCREEN` Python: `cv.WND_PROP_FULLSCREEN`	fullscreen property (can be WINDOW_NORMAL or WINDOW_FULLSCREEN).
`WND_PROP_AUTOSIZE` Python: `cv.WND_PROP_AUTOSIZE`	autosize property (can be WINDOW_NORMAL or WINDOW_AUTOSIZE).
`WND_PROP_ASPECT_RATIO` Python: `cv.WND_PROP_ASPECT_RATIO`	window’s aspect ration (can be set to WINDOW_FREERATIO or WINDOW_KEEPRATIO).
`WND_PROP_OPENGL` Python: `cv.WND_PROP_OPENGL`	opengl support.
`WND_PROP_VISIBLE` Python: `cv.WND_PROP_VISIBLE`	checks whether the window exists and is visible
`WND_PROP_TOPMOST` Python: `cv.WND_PROP_TOPMOST`	property to toggle normal window being topmost or not
`WND_PROP_VSYNC` Python: `cv.WND_PROP_VSYNC`	enable or disable VSYNC (in OpenGL mode)