Re: [Skim-app-develop] Skim beach ball?

[Christiaan H. <cmh...@gm...>]

On 24 Jan 2008, at 10:44 PM, Adam R. Maxwell wrote:

>
> On Jan 24, 2008, at 1:28 PM, Adam R. Maxwell wrote:
>
>>
>> On Jan 24, 2008, at 1:18 PM, Christiaan Hofman wrote:
>>
>>> Adam, can you confirm that the PDF at the following link beach balls
>>> Skim:
>>> <http://penguin.comms.unsw.edu.au/~ben/pub/page25-watermarked.pdf>
>>
>> Yeah, it sure does.  Here's part of the sample; looks like it's  
>> trying
>> to draw a thumbnail.  Preview opens it just fine, although the file
>> looks pretty weird.  Does it beachball on Tiger also?
>>
>> 787 -[SKMainWindowController objectInThumbnailsAtIndex:]
>>   787 -[PDFPage(SKExtensions)
>> thumbnailWithSize:forBox:readingBarRect:]
>>     787 -[PDFPage(SKExtensions)
>> thumbnailWithSize:forBox:shadowBlurRadius:shadowOffset:readingBarRect
>> :]
>>       787 -[PDFPage drawWithBox:]
>>         787 -[PDFPage(PDFPagePrivate) drawWithBox:inContext:]
>>           787 CGContextDrawPDFPage
>
> I really don't understand this.  FVPDFIcon draws this thing just fine,
> and it uses CGContextDrawPDFPage.  If I call
>
>      CGContextDrawPDFPage([[NSGraphicsContext currentContext]
> graphicsPort], [self pageRef]);
>
> in thumbnailWithSize:..., I see the same hang, so it's not something
> specific to PDFPage.

I would expect that PDFPage does essentially the same thing. Perhaps  
it's some option in the graphics context?

I really wonder how Preview draws its thumbnails, because it does not  
seem to have as serious problems with some files.

Christiaan