"Wrong" preview of some elements when using Finder Cover Flo

Jean-Jacques Boutaud
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Postby Jean-Jacques Boutaud » January 28th, 2010, 4:01 am

Hi Nick
When previewing labels from CD2 documents with Finder Cover Flow, these design elements look like squares not discs.
Strange enough, preview files from documents package look right.
Strange enough too, a spline design element looks right but, imho, should be centered vertically.
Of course, Quick Look has the same problem.
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Postby Nick » January 28th, 2010, 7:10 am

Hi Jean-Jacques,

We know about this but couldn't fix so far. Transparent parts of the preview are displayed black. On 10.5 I can see this black in Cover Flow and in Finder's document preview. When I open the preview image in Preview.app, it looks normally.

The spine element is in the bottom of the preview image. This seems to common for all Cover Flow previews - they stay on imaginary reflective surface.

Nick
Jean-Jacques Boutaud
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Postby Jean-Jacques Boutaud » January 28th, 2010, 8:14 am

Hi Nick
Imho, there's no problem displaying transparent area (alpha channel) in black.
But in Leopard (10.5.8 PPC) here's what I get when previewing and/or "quick looking" (;^)) a DC2 label:

Image
JJBee, Président (à vie) du G.R.O.I.N.
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Postby Nick » January 28th, 2010, 9:48 am

I can't repeat this. I've created a disc label containing a large image. In Finder, I select this document and press Space. In the preview a disc on the black background is displayed.

Can you send me your test document please?

Nick
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Postby Nick » January 29th, 2010, 5:12 am

Thanks Jean-Jacques for the document. The problem repeats only when several design elements are present in a document. It seem that an incorrect preview shape is taken from an element that precedes it. In your document a disc that follows a disc cover turns to a square. I've got an opposite case - disc case insert was trimmed to a circle.

Nick
Jean-Jacques Boutaud
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Postby Jean-Jacques Boutaud » February 5th, 2010, 10:21 am

Thanks Nick
This seems really difficult to reproduce but this bug exists in 10.6.2 too.
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