actionscript 3 - ArgumentError: Error #2015: Invalid BitmapData. on iOS -


the simplest graffiti app. code works fine on desktop , on android. if try same on ios (tested on real device - ipad 2), error: argumenterror: error # 2015: invalid bitmapdata.

in principle, clear why error - size of bitmapdata huge.

why happens? , why on ios?

private var maskline:sprite = new sprite(); stage.addeventlistener(mouseevent.mouse_move,onmove); stage.addeventlistener(mouseevent.mouse_down,ondown); stage.addeventlistener(mouseevent.mouse_up,onup);  protected function ondown(ev:mouseevent):void { maskline.graphics.linestyle(20, 0x33cc00, 1); maskline.graphics.moveto(mousex, mousey); stage.addeventlistener(mouseevent.mouse_move, onmove); } protected function onup(ev:mouseevent):void {     stage.removeeventlistener(mouseevent.mouse_move, onmove); }  protected function onmove(ev:mouseevent):void {     maskline.graphics.lineto(mousex, mousey); }

save in bitmap code:

        maskline.filters = [new blurfilter(4, 4, 1)];         trace (capabilities.screenresolutionx + '   ' + capabilities.screenresolutiony + '  ' + maskline.width + '   ' + maskline.height);     //768    1024    107374182.35    107374182.35 // here error         var bmpd:bitmapdata = new bitmapdata(maskline.width, maskline.height, true, 0x000000);         bmpd.draw(maskline);

as requested here answer.


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