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Highgui/funclist.pl  view on Meta::CPAN

['','getTrackbarPos','@brief Returns the trackbar position.

The function returns the current position of the specified trackbar.

@note

[__Qt Backend Only__] winname can be empty if the trackbar is attached to the control
panel.

@param trackbarname Name of the trackbar.
@param winname Name of the window that is the parent of the trackbar.',0,'int',['String','trackbarname','',['/C','/Ref']],['String','winname','',['/C','/Ref']]],
['','setTrackbarPos','@brief Sets the trackbar position.

The function sets the position of the specified trackbar in the specified window.

@note

[__Qt Backend Only__] winname can be empty if the trackbar is attached to the control
panel.

@param trackbarname Name of the trackbar.
@param winname Name of the window that is the parent of trackbar.
@param pos New position.',0,'void',['String','trackbarname','',['/C','/Ref']],['String','winname','',['/C','/Ref']],['int','pos','',[]]],
['','setTrackbarMax','@brief Sets the trackbar maximum position.

The function sets the maximum position of the specified trackbar in the specified window.

@note

[__Qt Backend Only__] winname can be empty if the trackbar is attached to the control
panel.

@param trackbarname Name of the trackbar.
@param winname Name of the window that is the parent of trackbar.
@param maxval New maximum position.',0,'void',['String','trackbarname','',['/C','/Ref']],['String','winname','',['/C','/Ref']],['int','maxval','',[]]],
['','setTrackbarMin','@brief Sets the trackbar minimum position.

The function sets the minimum position of the specified trackbar in the specified window.

@note

[__Qt Backend Only__] winname can be empty if the trackbar is attached to the control
panel.

@param trackbarname Name of the trackbar.
@param winname Name of the window that is the parent of trackbar.
@param minval New minimum position.',0,'void',['String','trackbarname','',['/C','/Ref']],['String','winname','',['/C','/Ref']],['int','minval','',[]]],
['','addText','@brief Draws a text on the image.

@param img 8-bit 3-channel image where the text should be drawn.
@param text Text to write on an image.
@param org Point(x,y) where the text should start on an image.
@param nameFont Name of the font. The name should match the name of a system font (such as
*Times*). If the font is not found, a default one is used.
@param pointSize Size of the font. If not specified, equal zero or negative, the point size of the
font is set to a system-dependent default value. Generally, this is 12 points.
@param color Color of the font in BGRA where A = 255 is fully transparent.
@param weight Font weight. Available operation flags are : cv::QtFontWeights You can also specify a positive integer for better control.
@param style Font style. Available operation flags are : cv::QtFontStyles
@param spacing Spacing between characters. It can be negative or positive.',0,'void',['Mat','img','',['/C','/Ref']],['String','text','',['/C','/Ref']],['Point','org','',[]],['String','nameFont','',['/C','/Ref']],['int','pointSize','-1',[]],['Scalar',...
['','displayOverlay','@brief Displays a text on a window image as an overlay for a specified duration.

The function displayOverlay displays useful information/tips on top of the window for a certain
amount of time *delayms*. The function does not modify the image, displayed in the window, that is,
after the specified delay the original content of the window is restored.

@param winname Name of the window.
@param text Overlay text to write on a window image.
@param delayms The period (in milliseconds), during which the overlay text is displayed. If this
function is called before the previous overlay text timed out, the timer is restarted and the text
is updated. If this value is zero, the text never disappears.',0,'void',['String','winname','',['/C','/Ref']],['String','text','',['/C','/Ref']],['int','delayms','0',[]]],
['','displayStatusBar','@brief Displays a text on the window statusbar during the specified period of time.

The function displayStatusBar displays useful information/tips on top of the window for a certain
amount of time *delayms* . This information is displayed on the window statusbar (the window must be
created with the CV_GUI_EXPANDED flags).

@param winname Name of the window.
@param text Text to write on the window statusbar.
@param delayms Duration (in milliseconds) to display the text. If this function is called before
the previous text timed out, the timer is restarted and the text is updated. If this value is
zero, the text never disappears.',0,'void',['String','winname','',['/C','/Ref']],['String','text','',['/C','/Ref']],['int','delayms','0',[]]],
);