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Gerber X2 format: add the new TF.SameCoordinates attribute to Gerber files

This commit is contained in:
jean-pierre charras 2017-06-02 20:14:37 +02:00
parent 1fab667cf7
commit e97f49e009
1 changed files with 26 additions and 2 deletions
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28
pcbnew/pcbplot.cpp
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@ -1,9 +1,9 @@
/*
* This program source code file is part of KiCad, a free EDA CAD application.
*
* Copyright (C) 2016 Jean-Pierre Charras, jp.charras at wanadoo.fr
* Copyright (C) 2017 Jean-Pierre Charras, jp.charras at wanadoo.fr
* Copyright (C) 2012 SoftPLC Corporation, Dick Hollenbeck <dick@softplc.com>
* Copyright (C) 1992-2016 KiCad Developers, see AUTHORS.txt for contributors.
* Copyright (C) 1992-2017 KiCad Developers, see AUTHORS.txt for contributors.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
@ -340,6 +340,30 @@ void AddGerberX2Header( PLOTTER * aPlotter,
text.Printf( wxT( "%%TF.ProjectId,%s,%s,%s*%%" ), msg.ToAscii(), GetChars( guid ), rev.ToAscii() );
aPlotter->AddLineToHeader( makeStringCompatX1( text, aUseX1CompatibilityMode ) );
// Add the TF.SameCoordinates, that specify all gerber files uses the same
// origin and orientation, and the registration between files is OK.
// The parameter of TF.SameCoordinates is a string that is common
// to all files using the same registration and has no special meaning:
// this is just a key
// Because there is no mirroring/rotation in Kicad, only the plot offset origin
// can create incorrect registration.
// So we create a key from plot offset options.
// and therefore for a given board, all Gerber files having the same key have the same
// plot origin and use the same registration
//
// Currently the key is "Original" when using absolute Pcbnew coordinates,
// and te PY ans PY position od auxiliary axis, when using it.
// Please, if absolute Pcbnew coordinates, one day, are set by user, change the way
// the key is built to ensure file only using the *same* axis have the same key.
wxString registration_id = "Original";
wxPoint auxOrigin = aBoard->GetAuxOrigin();
if( aBoard->GetPlotOptions().GetUseAuxOrigin() && auxOrigin.x && auxOrigin.y )
registration_id.Printf( "PX%xPY%x", auxOrigin.x, auxOrigin.y );
text.Printf( "%%TF.SameCoordinates,%s%%", registration_id.GetData() );
aPlotter->AddLineToHeader( makeStringCompatX1( text, aUseX1CompatibilityMode ) );
}