# Drawing Functions

This section describes the Lua functions provided by the Draw and Overlay transform engines.

Function | Description
--- | ---
drawEllipse | Draws an ellipse.
drawGeometricPath | Draws a path (a sequence of connected lines).
drawLine | Draws a line.
drawPolygon | Draws a polygon.
drawRectangle | Draws a rectangle.
fillRectangle | Draws a solid rectangle, obscuring the part of the image underneath the rectangle.
rgb | Returns a color object that can be passed into other drawing functions.
rgba | Returns a color object with an associated opacity value, that can be passed into other drawing functions.

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