[−][src]Function opencv::highgui::add_text

pub fn add_text(
    img: &Mat, 
    text: &str, 
    org: Point, 
    name_font: &str, 
    point_size: i32, 
    color: Scalar, 
    weight: i32, 
    style: i32, 
    spacing: i32
) -> Result<()>

Draws a text on the image.

Parameters

  • img: 8-bit 3-channel image where the text should be drawn.
  • text: Text to write on an image.
  • org: Point(x,y) where the text should start on an image.
  • 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.
  • 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