GraphicImage Template

drawLine()

Draw a line between two points

Syntax

GraphicImage = rb.GraphicImage.drawLine(startPoint, endPoint, colour, antialias)

Parameters

The 'drawLine' method takes 4 parameters:

Results

The 'drawLine' method returns GraphicImage:

Remarks

'draw' a line in a specific colour between two points, given the coordinates of the start and end point for the line.

The first two parameters specify the start and end-points for the line. The third parameter the colour. You can use any defined colour, or use the special value of GraphicImage.styled to use a style defined with GraphicImage.setPenStyle

Example

  // Create an empty 100x100 pixel image
  var img = (new GraphicImage).create(100,100);

  // Draw a big X, three pixels wide across the image
  var red  = img.colourAlloc(255,0,0);
  var blue = img.colourAlloc(  0,0,255);

  img.setPenWidth(3);
  img.drawLine({x:0,y:0},{x:99,y:99}, red});
  img.drawLine({x:0,y:99},{x:99,y:0}, blue});