Re: [actionstep-core] ASsymbolImageRep enhancement

[Ray C. <rc...@gm...>]

Hi,


On 8/31/06, thomas mery <tho...@gm...> wrote:
> Helo all,
>
> I've been finding myself trying to use the size of a symbol representation
> before its being drawn, like if I want to use setAlignment on it :
>
> ----
> var rect:NSRect = new NSRect(30,100,200,200);
>  var img:NSImage = (new NSImage()).init();
> var rep:ASSymbolImageRep = new ASSymbolImageRep("logo_sm");
> img.addRepresentation(rep);
>
> var iv:NSImageView = new NSImageView();
> iv.initWithFrame (new NSRect(0,0,300,300));
>
> iv.setImage(img);
>
> iv.setImageAlignment(NSImageAlignment.NSImageAlignTopRight);
>
> win.contentView().addSubview(iv);
> ----
>
> since it seem the repSizeForClip method is only called when the rep is drawn
> it was not working (the scaledImageFrameForRect of the NSImageCell class
> would not get a size for the NSImage)

What's the problem exactly? Do you have a size with null values, or a
size with zero values?

> so I extended ASSymbolImageRep to have the constructor of the child class
> look lihe this :
>
> ---
> public function SMSymbolImageRep(symbolName : String, size : NSSize) {
>
>         super(symbolName, size);
>
>         var size_mc:MovieClip =
> _root.createEmptyMovieClip("__SIZEMC__",_root.getNextHighestDepth());
>
>         if(m_size == undefined) {
>             m_size = repSizeForClip(size_mc);
>         }
>
>         size_mc.removeMovieClip();

You could have done this:

m_size = NSSize.ZeroSize;

This would have saved you the trouble of creating and destroying a
dummy clip to set the size.

> }
> ---
>
> it's working for me so I'm happy :) but I was wondering if woud not be a
> useful addition to the ASSymbolImageRep class, and if not then why ?
>
> Thanks in advance
>
> thomas
>
>
>
>
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-- 
Cheers,
Ray Chuan