| Re: proportional scaling of thumbnails in filepicker (for images) [message #1492 is a reply to message #1491] |
Wed, 16 July 2008 18:19  |
AJM
Messages: 2355
Registered: April 2006
Location: Surrey, UK
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Senior Member |
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My current ERP application, which is being used by several clients, has the ability to upload product images which are used by a separate web site as well as being displayed in the Radicore application. The web site has the ability to display each image in one of four sizes - 60x60, 100x100, 200x200 and 400x400. All images are uploaded as 400x400, and the upload function has code which automatically produces copies in all the other dimensions. When an image is picked for display the copy with the desired dimension is selected, which means that it does not have to be rescaled at runtime.
The essence of this is:
(a) All images have consistent dimensions. It is up to the person creating the image to stick to the standard size.
(b) Rescaling is done just once during the upload procedure, no each time the image is loaded into a web page.
Tony Marston
http://www.tonymarston.net
http://www.radicore.org
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