Hello,
I tried:
Context.Get_Drawing_Context_2D (App.My_Canvas);
Put_Line(Context.Execute("getImageData(10,10,50,50).data;"));
with result:
[object Uint8ClampedArray]
How to transfert this array to Ada side?
Regards, Pascal.
http://blady.pagesperso-orange.fr
Le 2 janv. 2015 à 11:14, Pascal <[email protected]> a écrit :
> Hello,
>
> In Gnoga.Gui.Element.Canvas.Context_2D could you add the implementation of
> pixel manipulation API to Gnoga TODO list?
>
> http://www.w3.org/TR/2dcontext/ see §13 Pixel manipulation:
> ImageData getImageData (double sx, double sy, double sw, double sh);
> void putImageData(ImageData imagedata, double dx, double dy);
> ...
>
> And also proposal for:
> void setLineDash (sequence<unrestricted double> segments); // default empty
> sequence<unrestricted double> getLineDash();
> See http://sourceforge.net/p/gnoga/mailman/message/33175198.
>
> Thanks, Pascal.
> http://blady.pagesperso-orange.fr
>
>
>
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