Shapes
Draw functions that draw shapes onto the canvas, be that lines, circles or curves.
- circle Draws a circle at a point.
 - arc Draws an arc between two points.
 - mark Draws a mark at a point in a direction.
 - line Draws a line between two points, or a line strip between 3 or more points.
 - polygon Draws a regular polygon.
 - grid Draws a grid.
 - content Places some content on the canvas.
 - rect Draws a rectangle between two points.
 - bezier Draws a bezier with control points.
 - hobby Draws a hobby curve.
 - catmull Draws a Catmull-Rom curve.
 - merge-path Merges the paths of other draw functions into one continuous path.