kicad-developers team mailing list archive

[Wayne Stambaugh <stambaughw@xxxxxxxxx>]

On 1/24/2015 2:17 PM, Wayne Stambaugh wrote:
> On 1/17/2015 2:36 AM, jp charras wrote:
>> Le 16/01/2015 22:03, Wayne Stambaugh a écrit :
>>> I recently discovered that the mirrored printing in Pcbnew is broken on
>>> windows.  At first I thought it was a 32 bit versus 64 bit issue but I
>>> discovered that it is due to the wxWidgets version.  When I use
>>> wxWidgets 3.0.0, the mirrored printing works fine (at least on 32 bit
>>> MinGW builds).  Using wxWidgets 3.0.2 breaks the mirrored printing on
>>> both 32 and 64 bit builds.  Has anybody else noticed this on any other
>>> platforms?
>>>
>>
>> After test on W7, 32 bits, I did not noticed an issue when printing in
>> mirrored mode.
>> This is a bit strange, because the mirroring is made by our printing
>> routines, not by the wxDC.
>> But what is the actual issue?
>>
>> On Windows, the only one issue I am aware of is with Postscripts
>> printers, (and only ps drivers, whith include the pdf virtual printers)
>> is the fact lines (like tracks) have a very small width, near 0.
>>
>>
> 
> I now have another data point.  I upgraded to wxWidgets 3.0.2 from 3.0.0
> on my laptop msys1/mingw32 build and the mirrored printing is now
> broken.  Here is the build information:
> 
> Application: kicad
> Version: (2015-01-19 BZR 5380)-product Release build
> wxWidgets: Version 3.0.2 (debug,wchar_t,compiler with C++ ABI 1002,GCC
> 4.7.2,wx containers,compatible with 2.8)
> Platform: Windows 7 (build 7601, Service Pack 1), 64-bit edition, 64
> bit, Little endian, wxMSW
> Boost version: 1.54.0
>          USE_WX_GRAPHICS_CONTEXT=OFF
>          USE_WX_OVERLAY=OFF
>          KICAD_SCRIPTING=OFF
>          KICAD_SCRIPTING_MODULES=OFF
>          KICAD_SCRIPTING_WXPYTHON=OFF
>          USE_FP_LIB_TABLE=HARD_CODED_ON
>          BUILD_GITHUB_PLUGIN=ON
>          KICAD_USE_WEBKIT=ON
> 
> It appears that whatever the problem is it is related to the wxWidgets
> version and not the compiler version.  I will try 3.0.1 when I get a
> chance to see if I can figure out where the breakage occurred.
> 

I just finished building wxWidgets 3.0.1 and recompiled KiCad against it
and the mirrored printing is working again.  My guess is something
changed between 3.0.2 and 3.0.1 that breaks the wxDC coordinate
calculations.  When I get some time, I'll see if I can find the
offending code.