Storing images

Ken Ray kray at sonsothunder.com
Thu Feb 6 04:29:01 CST 2003


Thanks, Björnke! This comprehensive information is very helpful...

Ken Ray
Sons of Thunder Software
Email: kray at sonsothunder.com
Web Site: http://www.sonsothunder.com/

----- Original Message -----
From: "Björnke von Gierke" <bvg at mac.com>
To: <use-revolution at lists.runrev.com>
Sent: Wednesday, February 05, 2003 11:42 AM
Subject: Re: Storing images


> This thread confuses me, so I made some experiments, to clarify all
> this for me, I will list the results of them here (if this is useful
> for any of you then that is your own fault!):
>
> setting the icon:
> set the icon of button "foo" to image "bar"
>
> this will reference  the exact same picture (same size) from the image
> to the button.
> You cannot set the icon of an image (they do not have any).
>
> setting imagedate:
> set the imagedata image "foo" to the imagedata of image "bar"
>
> you should not do this, when the two images have a diffrent size. That
> will result in garbage. If they are the same size then this will copy
> the image. the image"foo" will contain the image directly, no matter if
> image "bar" was referenced, original or only shows a file from the hard
> disk.
> Buttons do not have imagedata, so you cant do that with them.
>
> put into:
> put image "foo" into image "bar"
>
> This will empty (grey) the image "bar", when the original image is a
> referenced image (contains something in the "filepath").
> If the Image "foo" is an imported image, or a reference to another
> image within the stack, then this will copy the image. Thus, when you
> delete the image "foo" then image "bar" will remain unchanged. If the
> lockLoc of "bar" is true, then the image will scale to the size of
> "bar", otherwise it will resize to the size of the original image.
>
> set filename:
> set the filename of image "foo" to the filename of image "bar"
> set the filename of image "foo" to "binfile:foo/bar/foobar"
> set the filename of image "foo" to "http://foo/bar/foobar"
> set the filename of image "foo" to "foo/bar/foobar"
>
> this will copy/generate the reference to a file on the hard disk to
> image "foo". If the file on the hard disk gets removed, then the  image
> will show nothing (grey) when loaded next time (eg "go card"). If image
> "bar" is set to a certain size and the lockLoc property is true, then
> the image will scale to that size, otherwise it will resize to the size
> of the original file on the hard disk.
>
> import:
> import paint from file "foo/bar/foobar"
>
> This will generate a new Image-Object, containing the image directly,
> instead of a reference to a file on the hard disk.
>
>
>
>
> I found no way to reference a image-object to another imageobject,
> similar to what you can do with the icon of buttons. This is probably
> also the problem over which Jim Hurley stumbled, as you cannot resize
> the referenced icon of a button, whereas you can resize a Image whit a
> filepath.
> Please answer with other ways of referencing/copying images so I can
> make a list and pin it next to my Screen.
>
> thank you
> Bjoernke
>
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>




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