[Laszlo-dev] implementing non-rectangular masks in LZX
max at laszlosystems.com
Sat Jun 10 01:11:54 EDT 2006
Sarah Allen wrote:
> I did a little looking into how this is done in Flash (swf7, scriptable
> masks). If you are intested, there's a nice tutorial here:
> http://www.kirupa.com/developer/actionscript/scriptable_masks.htm . The
> cliff notes are:
> After playing with it a bit, I think I want a mask to be another view,
> so I can resize and position it. Ideally something like:
> <view resource="myimage_rsc" mask="anotherview"/>
> I created a little test with the ActionScript inlined just to get the
> hang of things. This works fine:
> <view id="myview" resource="photo.jpg">
> <method name="setMask" args="v">
> Debug.write('setMask', v, v.__LZmovieClipRef);
> <view id="mymask" oninit="myview.setMask(this)" resource="star.swf"
> x="130" y="-20" width="200" height="200" stretches="both"/>
> However, when I make the mask clickable (simply setting clickable="true"
> will do it), the mask disappears when my mouse goes out of the mask's
> bounds and reappears when the mouse goes back in. I didn't see anything
> magic in LzView's setClickable.
> Can anyone else give me a clue as to why this would happen?
> p.s. I've been testing in lps-3.3. As soon as I sync trunk, I'll check
> into a test directory if anyone else wants to see it in action.
You should be able to do this with a drawview by programatically
drawing and calling the undocumented method clip() in place of where
you'd normally do a fill(). It's untested territory, so it'd be great
to get it worked on. See the clip() method in
for more, and let me know how I can help!
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