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Re: patches for printing
From: |
Fred Kiefer |
Subject: |
Re: patches for printing |
Date: |
Sat, 14 Oct 2006 13:00:47 +0200 |
User-agent: |
Thunderbird 1.5.0.7 (X11/20060911) |
Hi Mark,
these changes look great. I will be away for the weekend, if nobody
beats me on integrating your stuff I will do so on Monday.
Thank you and keep the good work up
Fred
Mark Tracy schrieb:
> I have fixed several bugs related to printing and PostScript generation.
> After that, I could actually find the bugs in my code. I tested the
> fixes on a project of mine that reads reads, displays, exports and
> prints chromatography data. It now generates valid .ps and .eps files.
> Originally written for Mac, I am converting it to GNUstep.
>
> I suspect that there is another bug that fails to release the printed
> view, but I could not find it, and it was easier to work around it in my
> code.
>
> System details: Suse Linux 10.0 running on Parallels Virtual Machine on
> MacOSX 10.4.8(intel). Gcc 4.0.2, libc 2.3.5, gnustep-make-1.13.0,
> gnustep-base-1.13.0, gnustep-gui-0.11.0, gnustep-back-0.11.0, with the
> default art backend.
>
> Valgrind was very helpful for finding item #2.
>
> Cheers,
> Mark Tracy
>
>
>
>
> ChangeLog
>
> Sat. 07-Oct-2006 Mark Tracy <tracy454 at concentric dot net>
>
> 1. NSView.m -beginDocument
> was misplacing subviews when generating PostScript for printing
> fix: force regeneration of coordinates
>
> 2. GSStreamContext -GSSendBezierPath
> was giving invalid arguments to setdash
> cause: getLineDash was being called without initializing count
> with the size of the pattern buffer
> fix: count=10
>
> 3. GSStreamContext did not implement GSRectFillList
> fix: copied code from GSGState.m
>
> 4. NSPrintOperation would loop randomly if a custom view replies YES
> to -knowsPageRange
> cause: -_printPaginateWithInfo did not initialize
> info->pageScale, info->xpages, info->ypages
> fix: in -_printPaginateWithInfo set default pageScale=1.0
> outside conditional
> fix: in -_print set xpages and ypages from viewPageRange as
> reported by custom view
>
> 5. NSPageLayout was setting a default page scale of 100
> cause: pageScale factor is displayed as percentage
> fix: pageScale*100 sent to textfield and textfield/100 stored in
> pageScale
>
> 6. NSPageLayout had different limits on scaling than NSPrintPanel
> fix: adjust formatter max
>
>
>
>
>
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