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Re: Color of a pixel of a

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  To: comp.lang.java.gui
mearvk wrote:
> I'm stuck and tired.
> 
> How can I find the color of an arbitrary pixel of a JPanel or
> JComponent for that matter? Something like: getColor(x, y) is all I
> really need.
> 
> Also while I'm posting is this a cleverer way than color
> differentiation (hence the above question) to satisfy an arbitrary
> (custom) Shape's contains(Point2D p) method? I let the user draw a
> pair of identical CubicCurve2D curves and connect them with a pair of
> Line2Ds. I need a good way to determine, for an arbitrary "strip", if
> an arbitrary point is in or out of it. I would even settle for a way
> to get at all the points Graphics2D fills when I do a
> g2.fill(myShape).
> 
> [API]
> 
> contains(Point2D p)
> Tests if a specified Point2D is inside the boundary of the Shape.
> 
> http://java.sun.com/javase/6/docs/api/index.html
> 
> [API]
> 
> 
> Thanks!
Look up GeneralPath (or Path2D in version 1.6)
You can create your own Shape object based on several other shapes, and 
then you can call .contains.


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Daniel Pitts' Tech Blog: <http://virtualinfinity.net/wordpress/>

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Re: Color of a pixel of a "Daniel Pitts" <daniel.pitts@THRWHITE.remove-dii-this> - 2011-04-27 15:43 +0000

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