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-
-On Tuesday 21 June 2005 14:16, Casper Boemann wrote:
-> Hi
->
-> As you might have noticed I have changed the tqlayout of the preview, to lo=
-ok
-> more like digikam.
->
-> Now the preview widget itself also needs some updating:
-> - zoom doesn't exist in the digikam preview - the image is zoomed all out
-> - that doesn't mean we shouldn't keep the abillity to zoom, but I think
-> default should be zoomed out as in digikam.
-
-Agreed. We should show all of the image in our preview.
-
-> - the update of the preview seems slow. Is the algorithm as effective as
-> it can be?
-
-No, definitely not. In fact, if I remember correctly, preview copies & rend=
-ers=20
-the complete image. Options are:
-
-* Just preview the active layer, out of context
-* Copy the image, scale it down, and then render it. Cache the scaled-down=
-=20
-thumbnail.
-* Work on the QImage of the rendered image, and apply all filters on that -=
-=2D=20
-for preview, that may be accurate enough.
-
-Note that we want a fast thumbnail preview for in the bird's eye box, too, =
-and=20
-in the variations dialog we need a whole bunch of previews. So I guess the=
-=20
-requirements are:
-
-* Frugal with memory
-* Fast
-* Filters should work on the preview image
-* Zoomable, but initially the complete image/layer is shown
-* Selectable: preview layer/preview image
-
-I have a feeling that this may be hard to achieve...
-
-> This is not something I'm going to do, but I think we should discuss it a=
-nd
-> put it in the TODO.
-
-Definitely.=20
-
-=2D-=20
-Boudewijn Rempt=20
-http://www.valdyas.org/fading/index.cgi
-
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