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Re: patches for printing
From: |
Gregory John Casamento |
Subject: |
Re: patches for printing |
Date: |
Sun, 15 Oct 2006 08:31:07 -0700 (PDT) |
I have inspected, tested and applied this patch.
Thanks for your contribution.
Later, GJC
--
Gregory Casamento
----- Original Message ----
From: Mark Tracy <tracy454@concentric.net>
To: bug-gnustep@gnu.org
Sent: Sunday, October 8, 2006 2:17:10 AM
Subject: patches for printing
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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