Gerry,

File a radar. Include the file or a sample project or whatever you can to help 
us duplicate. If this is a Cocoa bug, then you should be able to duplicate with 
a small sample app pretty quickly.

-raleigh

On Jan 18, 2011, at 5:42 PM, Gerry Beggs wrote:

> Just to follow-up (and clarify) my own problem:
> 
> I have implemented NSDocument's printOperationWithSettings: method to kick 
> off the printing process when the user selects Print from the File menu.
> 
> I am using the same NSView drawRect: method to display on-screen as when 
> printing.
> The Print Preview in the Print Dialog always appears correct.
> However, the final print output is appearing scaled down, either when 
> printing to paper, or to PDF.
> 
> When the problem presents itself, the transformation of the CGContext is the 
> same when drawing the print preview as when drawing the actual output. That 
> is, it is scaled down, which explains why the output is small.
> When the problem doesn't present itself, the transformation is the identity 
> transformation when drawing the actual output.
> 
> 
> I've discovered that if I run my application as a 64-bit executable, the 
> problem goes away.
> When running under 32-bit, the problem is consistent.
> 
> Thanks for any help.
> 
> On 2011-01-16, at 1:24 AM, Gerry Beggs wrote:
> 
>> I've been having a problem with my application sometimes (but not always) 
>> printing the full page, but it appears VERY small in the lower-left corner 
>> of the page.
>> 
>> I was having trouble reproducing it, but finally received a sample document 
>> from one of my users that let me reproduce it.
>> Still, sometimes it prints correctly filling the page, other times, it 
>> prints scaled down in the lower-left corner of the page.
>> 
>> I am using NSPrintOperation from an NSDocument to handle the printing 
>> operations.
>> 
>> When trying to debug this issue, I examined the transformation from my 
>> view's drawRect method using CGContextGetCTM.
>> I discovered something interesting:
>> - When the printout appears scaled down, the transformation structure is the 
>> same as it is when the print preview image is rendered.
>> - When the printout appears full-sized, the transformation structure is the 
>> identity matrix (ie. scale = 100%)
>> 
>> 
>> Since the scale of the CGContext is the same when rendering the print 
>> preview as it is when rendering the full-sized page, this explains why my 
>> printouts are appearing very small in my output.
>> 
>> Values 'a' and 'd' in the CGAffineTransformation structure indicate the 
>> scaling factor and for the print preview, it makes sense that it is scaled 
>> down for the print preview. But somehow, the transformation is not being set 
>> back to 100% scaling for the actual printing.
>> 
>> I've looked for unbalanced CGContextSaveGState/CGContextRestoreGState calls, 
>> but they are all balanced.
>> 
>> I've spent too much time trying to debug this. If anyone can give any ideas 
>> why my printouts are appearing scaled down, I would appreciate any help.
>> Thanks.
>> 
>> -- 
>> gbeg...@gmail.com       http://www.GerrysCuppaTea.org/
>> 
>> _______________________________________________
>> 
>> Cocoa-dev mailing list (Cocoa-dev@lists.apple.com)
>> 
>> Please do not post admin requests or moderator comments to the list.
>> Contact the moderators at cocoa-dev-admins(at)lists.apple.com
>> 
>> Help/Unsubscribe/Update your Subscription:
>> http://lists.apple.com/mailman/options/cocoa-dev/gbeggs1%40mts.net
>> 
>> This email sent to gbeg...@mts.net
>> 
> 
> -- 
> gbeg...@gmail.com       http://www.GerrysCuppaTea.org/
> 
> _______________________________________________
> 
> Cocoa-dev mailing list (Cocoa-dev@lists.apple.com)
> 
> Please do not post admin requests or moderator comments to the list.
> Contact the moderators at cocoa-dev-admins(at)lists.apple.com
> 
> Help/Unsubscribe/Update your Subscription:
> http://lists.apple.com/mailman/options/cocoa-dev/ledet%40apple.com
> 
> This email sent to le...@apple.com

_______________________________________________

Cocoa-dev mailing list (Cocoa-dev@lists.apple.com)

Please do not post admin requests or moderator comments to the list.
Contact the moderators at cocoa-dev-admins(at)lists.apple.com

Help/Unsubscribe/Update your Subscription:
http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com

This email sent to arch...@mail-archive.com

Reply via email to