[fpc-pascal] fpcanvas and FloodFill()
Michael Van Canneyt
michael at freepascal.org
Mon Jul 2 13:22:01 CEST 2007
On Mon, 2 Jul 2007, Graeme Geldenhuys wrote:
> Hi,
>
> Still trying to implement fpcanvas as the bases classed for fpGUI.
> What is the function of...?
>
> TFPCustomCanvas = class
> ....
> procedure FloodFill (x,y:integer);
> ...
>
> How is it supposed to differ from Canvas.Clear() and
> Canvas.Rectangle() which can both handle filling of a rectangle?
It fills the canvas (in all directions) till it encounters a different
color which differs from the starting color. You can use this to fill
irregular shapes.
Michael.
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