Function opencv::highgui::font_qt

pub fn font_qt(
    name_font: &str, 
    point_size: i32, 
    color: Scalar, 
    weight: i32, 
    style: i32, 
    spacing: i32
) -> Result<QtFont>

Creates the font to draw a text on an image.

The function fontQt creates a cv::QtFont object. This cv::QtFont is not compatible with putText .

A basic usage of this function is the following: :

   QtFont font = fontQt("Times");
   addText( img1, "Hello World !", Point(50,50), font);

Parameters

• 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.
• 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.
• color: Color of the font in BGRA where A = 255 is fully transparent. Use the macro CV_RGB for simplicity.
• weight: Font weight. Available operation flags are : cv::QtFontWeights You can also specify a positive integer for better control.
• style: Font style. Available operation flags are : cv::QtFontStyles
• spacing: Spacing between characters. It can be negative or positive.

C++ default parameters

• point_size: -1
• color: Scalar::all(0)
• weight: QT_FONT_NORMAL
• style: QT_STYLE_NORMAL
• spacing: 0