Ahh... I was thinking just override the getter for measuredHeight... but you can't override a getter anyway, can you.
I'll give it a try and see how it works. Thanks again, Alex! --- In [email protected], "Alex Harui" <[EMAIL PROTECTED]> wrote: > > Yeah, subclass, override measure(), and report a better measuredHeight. > The framework should be factoring in scale factor so this may not work, > but at least you'll know if getting that number right is going to solve > your problem. > > > > ________________________________ > > From: [email protected] [mailto:[EMAIL PROTECTED] On > Behalf Of carl_steinhilber > Sent: Wednesday, September 12, 2007 1:33 PM > To: [email protected] > Subject: [flexcoders] Re: Issues scrolling a scaled image. Can it be > fixed? > > > > Thanks Alex. > It *does* report a measuredHeight. And it is, indeed, the true height > (with no scaling)... so it does seem like it's incorrect. > > So what would be the best way to subclass it? Just override and set to > the current value of height (or contentHeight, which also appears to > be correct)? Or is there something more to it? > > Thanks again, > -Carl > > --- In [email protected] <mailto:flexcoders%40yahoogroups.com> > , "Alex Harui" <aharui@> wrote: > > > > I'd check to see what the Image is reporting as measuredHeight. It > > might be wrong and you can subclass and fix it. > > > > > > > > ________________________________ > > > > From: [email protected] <mailto:flexcoders%40yahoogroups.com> > [mailto:[email protected] <mailto:flexcoders%40yahoogroups.com> > ] On > > Behalf Of carl_steinhilber > > Sent: Wednesday, September 12, 2007 11:31 AM > > To: [email protected] <mailto:flexcoders%40yahoogroups.com> > > Subject: [flexcoders] Re: Issues scrolling a scaled image. Can it be > > fixed? > > > > > > > > Okay... from the lack of response, I can only assume that it was too > > difficult to set up a testbed. ;-) So perhaps providing sample > > images will make things easier: > > > > http://www.thinkhmh.com/_img/flex/red-block-300x100.jpg > <http://www.thinkhmh.com/_img/flex/red-block-300x100.jpg> > > <http://www.thinkhmh.com/_img/flex/red-block-300x100.jpg > <http://www.thinkhmh.com/_img/flex/red-block-300x100.jpg> > > > http://www.thinkhmh.com/_img/flex/blue-block-300x200.jpg > <http://www.thinkhmh.com/_img/flex/blue-block-300x200.jpg> > > <http://www.thinkhmh.com/_img/flex/blue-block-300x200.jpg > <http://www.thinkhmh.com/_img/flex/blue-block-300x200.jpg> > > > http://www.thinkhmh.com/_img/flex/green-block-500x600.jpg > <http://www.thinkhmh.com/_img/flex/green-block-500x600.jpg> > > <http://www.thinkhmh.com/_img/flex/green-block-500x600.jpg > <http://www.thinkhmh.com/_img/flex/green-block-500x600.jpg> > > > > > I've tried everything from setting the height of the image to the > > contentHeight, to trying to explicitly invalidate the size... and I'm > > about to keel over dead from hitting my head on the desk so many > times. > > > > Does nobody really have any insight? > > Thanks again, > > -Carl > > > > --- In [email protected] > <mailto:flexcoders%40yahoogroups.com> > <mailto:flexcoders%40yahoogroups.com> > > , "carl_steinhilber" > > <carl_steinhilber@> wrote: > > > > > > I have a fairly simple Flex 2 app that uses a canvas container to > > > scroll the display of a child image element. > > > > > > Consider the following mxml, with three images: 300x100px, > 300x200px, > > > and 500x600px. > > > The canvas has: > > > - both scroll policies set to auto (thought eventually, horz will be > > > set to off > > > - fixed with of 316px (300 + the width of the vertical scrollbar) > > > > > > The child image has: > > > - fixed width of 300px > > > - maintainAspectRatio set to true > > > > > > Loading the 300x100px image into the image component results in no > > > scrollbars, as expected. > > > > > > Loading the 300x200px image into the image component results in a > > > vertical scrollbar only, as expected, and when the scrollbar is at > the > > > bottommost position in the track we see the bottommost edge of the > > > image, also as expected. > > > > > > Loading the 500x600px image into the image component results in a > > > vertical scrollbar only, again as expected (since the width of the > > > image component is set to 300 and scaling occurs), but now as we > > > scroll down it goes well beyond the bottom edge of the image, NOT as > > > expected. > > > > > > I need the scrollbar in this case to allow to user to scroll down > only > > > as far as the bottom edge of the image (just like with the 300x200px > > > image). > > > > > > Is there something I can do to enforce this rule? > > > > > > > > > <?xml version="1.0" encoding="utf-8"?> > > > <mx:Application xmlns:mx="http://www.adobe.com/2006/mxml > <http://www.adobe.com/2006/mxml> > > <http://www.adobe.com/2006/mxml <http://www.adobe.com/2006/mxml> > " > > > layout="absolute"> > > > <mx:Script> > > > <![CDATA[ > > > private function changePicture(pictNum:int):void{ > > > switch (pictNum){ > > > case 1: > > > imageCroppedImage.source="red-block-300x100.jpg"; > > > break; > > > case 2: > > > imageCroppedImage.source="blue-block-300x200.jpg"; > > > break; > > > case 3: > > > imageCroppedImage.source="green-block-500x600.jpg"; > > > break; > > > } > > > } > > > ]]> > > > </mx:Script> > > > > > > <mx:Canvas id="canvasViewPort" width="316" height="100" > > > verticalScrollPolicy="auto" horizontalScrollPolicy="auto" x="20" > > y="20"> > > > <mx:Image id="imageCroppedImage" width="300" > > > maintainAspectRatio="true" /> > > > </mx:Canvas> > > > > > > <mx:Button label="Picture 1 (300x100)" click="changePicture(1)" > > > x="20" y="150" /> > > > <mx:Button label="Picture 2 (300x200)" click="changePicture(2)" > > > x="20" y="185" /> > > > <mx:Button label="Picture 3 (500x600)" click="changePicture(3)" > > > x="20" y="220" /> > > > </mx:Application> > > > > > > > > > Thanks in advance! > > > -Carl > > > > > >
