Scenic.Primitive.Path (Scenic v0.10.3) View Source

Draw a complex path on the screen described by a list of actions.

Data

list_of_commands

The data for a path is a list of commands. They are interpreted in order when the path is drawn. See below for the commands it will accept.

Styles

This primitive recognizes the following styles

  • hidden - show or hide the primitive
  • fill - fill in the area of the primitive
  • stroke - stroke the outline of the primitive. In this case, only the curvy part.
  • cap - says how to draw the ends of the line.
  • join - control how segments are joined.
  • miter_limit - control how segments are joined.

Commands

  • :begin - start a new path segment
  • :close_path - draw a line back to the start of the current segment
  • :solid - mark the current segment as something that will be filled
  • :hole - mark the current segment as something that cut out of other segments
  • {:move_to, x, y} - move the current draw position
  • {:line_to, x, y} - draw a line from the current position to a new location.
  • {:bezier_to, c1x, c1y, c2x, c2y, x, y} - draw a bezier curve from the current position to a new location.
  • {:quadratic_to, cx, cy, x, y} - draw a quadratic curve from the current position to a new location.
  • {:arc_to, x1, y1, x2, y2, radius} - draw an arc from the current position to a new location.

Usage

You should add/modify primitives via the helper functions in Scenic.Primitives

Link to this section Summary

Functions

Returns a list of styles recognized by this primitive.

Link to this section Functions

Specs

valid_styles() :: [:fill | :hidden | :stroke, ...]

Returns a list of styles recognized by this primitive.