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GraphEllipse()
Pie graphics with CA-Clipper!!
Syntax:
GraphEllipse ( nX, nY, nFocus, aArray ) -> Nil
nX : Coordinate X of the center of the ellipse
nY : Coordinate Y of the center of the ellipse
nFocus : Focus A of the ellipse
aArray : An array of values for the graphic. It allows as
many elements as you like.
Description:
It generates a bar graphics in CA-Clipper. It only works in EGA
and VGA.
This function does not have the option of place title and legends
because, as it allows to place the graphic in a determinate
position, it may be of interest to place this data in whichever
place you like.
It is important to detach that the graphic will be painting zones
of different colours, always starting with colour 1 in the first
zone, 2 in the second, and so on until 15. This process will be
recursively repeated if there is more than 15 zones. This is a
very important point in order to determine later the colour of
each legend in the graphic.
It is also important to detach that Fast offers the resources to
rebuild this function if there is something in it that is not of
your like. The only thing needed is some simple knowledge of Plain
Geometry.
Return:
Nothing.
Example:
SetVGA()
cTitulo := "Fast Graphic System"
GraphEllipse( 320, 240, 100, { 17, 3, 15, 60, 15 } )
DispStr ( cTitulo, 320 - Len ( cTitulo ) * 4, 370, 15, 0 )
Legend ( 320, 460, 15, 4, "Fast Library" )
Inkey (0)
TxtMode ()
See Also:
Legend()
DispStr()
GraphBar()
GraphBar2()
GraphTart()
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Written by Dave Pearson