Skew - r3n/rebol-wiki GitHub Wiki

Sets a coordinate system skewed from the original by the given number of degrees.

Arg	Type	Description	Values
val	[decimal!]

Notes and Examples

Positive numbers skew to the right; negative numbers skew to the left.

Note: Currently the skewing transformation has effect on the line width in case fixed is not specified

line-width 1 fixed
pen white

fill-pen blue
box 120x20 220x120

skew 15
fill-pen red
box 120x125 220x225

reset-matrix

skew -15
fill-pen yellow
box 120x230 220x330

Another way to reset the skew is to use the PUSH command:

line-width 1 fixed
pen white

fill-pen blue
box 120x20 220x120

push [	
	skew 15
	fill-pen red
	box 120x125 220x225
]

skew -15
fill-pen yellow
box 120x230 220x330

See also: http://www.w3.org/TR/SVG/coords.html#EstablishingANewUserSpace