kicad/Documentation/wxWidgets_patch_notes.txt

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--== notes about wxWidgets problems ==--
Last Revised: 28-Feb-2010
Kicad needs wxWidgets, the multi platform G.U.I.
Known problems:
wxMSW:
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use *only* wxWidgets >= 3.0
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wxGTK
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Use wxWidgets 2.8.10 or later
Linux and macOSX
- Printing problems (all version).
Note old versions of wxWidgets give *very ugly results*
(poor printing resolution set to 72ppi)
So use a very recent version (>= 2.8.10 (that also solve other bugs)
wxWidgets patch:
wxWidgets 2.9.1 (all platforms)
Has a problem when using the built in string to double conversion:
In countries using a comm instead of a point as floating number separator
after calling this conversion function, the comma is changed in point.
(Happens after reading a parameter stored in a wxConfig structure, if this
parameter is a double)
Workaround:
Use a version >= 2.9.3
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*************************************************************************************
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wxGTK version: All before wxWidgets 3.0
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*************************************************************************************
Patch for printing wide traces that were shown with missing rounded end caps.
Without this patch, printing boards and schematics under Linux, and perhaps OSX
gives ugly drawings.
wxGTK-2.8.11/src/generic/dcpsg.cpp
search for:
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line 1636
PsPrint( "%%EndProlog\n" );
Add after this line:
PsPrint("%%BeginSetup\n");
PsPrint( "1 setlinecap\n" );
PsPrint("%%EndSetup\n");
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Known bug on Windows:
Postscript printers print tracks like tin line.
It happens only for PS drivers, and PDF printer.
Other drivers (PCL for instance) work fine,
so it is unlikely a bug inside Kicad/wxWidgets