6.6 DUIM-Graphics Module
draw-triangle
Generic function
Summary
Draws a triangle between the specified points.
Signature
draw-triangle drawable x1 y1 x2 y2 x3 y3 #key filled? => ()
draw-triangle* drawable p1 p2 p3 #key filled? => ()
Arguments
- drawable
- An instance of type
type-union(<sheet>, <medium>). - filled?
- An instance of type
<boolean>. Default value:#t.
The following arguments are specific to draw-triangle.
- x1
- An instance of type
<real>. - y1
- An instance of type
<real>. - x2
- An instance of type
<real>. - y2
- An instance of type
<real>. - x3
- An instance of type
<real>. - y3
- An instance of type
<real>.
The following arguments are specific to draw-triangle*.
- p1
- An instance of type
<transform>. - p2
- An instance of type
<transform>. - p3
- An instance of type
<transform>.
Values
- None.
Library
duim-graphics
Module
duim-graphics
Description
Draws a triangle on drawable between the specified points, using the current pen. Dashed lines start dashing at the starting point of the first segment.
If filled? is #t then the triangle will be filled, using the current brush.
The function draw-triangle* is identical to draw-triangle, except that it passes composite objects, rather than separate coordinates, in its arguments. You should be aware that using this function may lead to a loss of performance.