Finish rebranding of Krita as Chalk

git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/applications/koffice@1238363 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

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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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