/* * This program source code file is part of KiCad, a free EDA CAD application. * * Copyright (C) 2018 Jean-Pierre Charras, jp.charras at wanadoo.fr * Copyright (C) 2012 SoftPLC Corporation, Dick Hollenbeck * Copyright (C) 1992-2023 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 * as published by the Free Software Foundation; either version 2 * of the License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, you may find one here: * http://www.gnu.org/licenses/old-licenses/gpl-2.0.html * or you may search the http://www.gnu.org website for the version 2 license, * or you may write to the Free Software Foundation, Inc., * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include const wxString GetGerberProtelExtension( int aLayer ) { if( IsCopperLayer( aLayer ) ) { if( aLayer == F_Cu ) return wxT( "gtl" ); else if( aLayer == B_Cu ) return wxT( "gbl" ); else return wxString::Format( wxT( "g%d" ), aLayer+1 ); } else { switch( aLayer ) { case B_Adhes: return wxT( "gba" ); case F_Adhes: return wxT( "gta" ); case B_Paste: return wxT( "gbp" ); case F_Paste: return wxT( "gtp" ); case B_SilkS: return wxT( "gbo" ); case F_SilkS: return wxT( "gto" ); case B_Mask: return wxT( "gbs" ); case F_Mask: return wxT( "gts" ); case Edge_Cuts: return wxT( "gm1" ); case Dwgs_User: case Cmts_User: case Eco1_User: case Eco2_User: default: return wxT( "gbr" ); } } } const wxString GetGerberFileFunctionAttribute( const BOARD* aBoard, int aLayer ) { wxString attrib; switch( aLayer ) { case F_Adhes: attrib = wxT( "Glue,Top" ); break; case B_Adhes: attrib = wxT( "Glue,Bot" ); break; case F_SilkS: attrib = wxT( "Legend,Top" ); break; case B_SilkS: attrib = wxT( "Legend,Bot" ); break; case F_Mask: attrib = wxT( "Soldermask,Top" ); break; case B_Mask: attrib = wxT( "Soldermask,Bot" ); break; case F_Paste: attrib = wxT( "Paste,Top" ); break; case B_Paste: attrib = wxT( "Paste,Bot" ); break; case Edge_Cuts: // Board outline. // Can be "Profile,NP" (Not Plated: usual) or "Profile,P" // This last is the exception (Plated) attrib = wxT( "Profile,NP" ); break; case Dwgs_User: attrib = wxT( "OtherDrawing,Comment" ); break; case Cmts_User: attrib = wxT( "Other,Comment" ); break; case Eco1_User: attrib = wxT( "Other,ECO1" ); break; case Eco2_User: attrib = wxT( "Other,ECO2" ); break; case B_Fab: // This is actually a assembly layer attrib = wxT( "AssemblyDrawing,Bot" ); break; case F_Fab: // This is actually a assembly layer attrib = wxT( "AssemblyDrawing,Top" ); break; case B_Cu: attrib.Printf( wxT( "Copper,L%d,Bot" ), aBoard->GetCopperLayerCount() ); break; case F_Cu: attrib = wxT( "Copper,L1,Top" ); break; default: if( IsCopperLayer( aLayer ) ) attrib.Printf( wxT( "Copper,L%d,Inr" ), aLayer+1 ); else attrib.Printf( wxT( "Other,User" ), aLayer+1 ); break; } // This code adds a optional parameter: the type of copper layers. // Because it is not used by Pcbnew (it can be used only by external autorouters) // user do not really set this parameter. // Therefore do not add it. // However, this code is left here, for perhaps a future usage. #if 0 // Add the signal type of the layer, if relevant if( IsCopperLayer( aLayer ) ) { LAYER_T type = aBoard->GetLayerType( ToLAYER_ID( aLayer ) ); switch( type ) { case LT_SIGNAL: attrib += wxT( ",Signal" ); break; case LT_POWER: attrib += wxT( ",Plane" ); break; case LT_MIXED: attrib += wxT( ",Mixed" ); break; default: break; // do nothing (but avoid a warning for unhandled LAYER_T values from GCC) } } #endif wxString fileFct; fileFct.Printf( wxT( "%%TF.FileFunction,%s*%%" ), attrib ); return fileFct; } static const wxString GetGerberFilePolarityAttribute( int aLayer ) { /* build the string %TF.FilePolarity,Positive*% * or %TF.FilePolarity,Negative*% * an emply string for layers which do not use a polarity * * The value of the .FilePolarity specifies whether the image represents the * presence or absence of material. * This attribute can only be used when the file represents a pattern in a material layer, * e.g. copper, solder mask, legend. * Together with.FileFunction it defines the role of that image in * the layer structure of the PCB. * Note that the .FilePolarity attribute does not change the image - * no attribute does. * It changes the interpretation of the image. * For example, in a copper layer in positive polarity a round flash generates a copper pad. * In a copper layer in negative polarity it generates a clearance. * Solder mask images usually represent solder mask openings and are then negative. * This may be counter-intuitive. */ int polarity = 0; switch( aLayer ) { case F_Adhes: case B_Adhes: case F_SilkS: case B_SilkS: case F_Paste: case B_Paste: polarity = 1; break; case F_Mask: case B_Mask: polarity = -1; break; default: if( IsCopperLayer( aLayer ) ) polarity = 1; break; } wxString filePolarity; if( polarity == 1 ) filePolarity = wxT( "%TF.FilePolarity,Positive*%" ); if( polarity == -1 ) filePolarity = wxT( "%TF.FilePolarity,Negative*%" ); return filePolarity; } /* Add some X2 attributes to the file header, as defined in the * Gerber file format specification J4 and "Revision 2015.06" */ // A helper function to convert a X2 attribute string to a X1 structured comment: static wxString& makeStringCompatX1( wxString& aText, bool aUseX1CompatibilityMode ) { if( aUseX1CompatibilityMode ) { aText.Replace( wxT( "%" ), wxEmptyString ); aText.Prepend( wxT( "G04 #@! " ) ); } return aText; } void AddGerberX2Header( PLOTTER* aPlotter, const BOARD* aBoard, bool aUseX1CompatibilityMode ) { wxString text; // Creates the TF,.GenerationSoftware. Format is: // %TF,.GenerationSoftware,,[,]*% text.Printf( wxT( "%%TF.GenerationSoftware,KiCad,Pcbnew,%s*%%" ), GetBuildVersion() ); aPlotter->AddLineToHeader( makeStringCompatX1( text, aUseX1CompatibilityMode ) ); // creates the TF.CreationDate attribute: text = GbrMakeCreationDateAttributeString( aUseX1CompatibilityMode ? GBR_NC_STRING_FORMAT_X1 : GBR_NC_STRING_FORMAT_X2 ); aPlotter->AddLineToHeader( text ); // Creates the TF,.ProjectId. Format is (from Gerber file format doc): // %TF.ProjectId,,,*% // is the name of the project, restricted to basic ASCII symbols only, // Rem: accepts only ASCII 7 code (only basic ASCII codes are allowed in // gerber files) and comma not accepted. // All illegal chars will be replaced by underscore. // // is a string which is an unique id of a project. // However Kicad does not handle such a project GUID, so it is built from the board name wxFileName fn = aBoard->GetFileName(); wxString msg = fn.GetFullName(); // Build a , from the board name wxString guid = GbrMakeProjectGUIDfromString( msg ); // build the string: this is the board short filename (without ext) // and all non ASCII chars and comma are replaced by '_' msg = fn.GetName(); msg.Replace( wxT( "," ), wxT( "_" ) ); // build the string. All non ASCII chars and comma are replaced by '_' wxString rev = ExpandTextVars( aBoard->GetTitleBlock().GetRevision(), aBoard->GetProject() ); rev.Replace( wxT( "," ), wxT( "_" ) ); if( rev.IsEmpty() ) rev = wxT( "rev?" ); text.Printf( wxT( "%%TF.ProjectId,%s,%s,%s*%%" ), msg.ToAscii(), guid, rev.ToAscii() ); aPlotter->AddLineToHeader( makeStringCompatX1( text, aUseX1CompatibilityMode ) ); // Add the TF.SameCoordinates to specify that 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. The string value has no meaning; it 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. // // Currently the key is "Original" when using absolute Pcbnew coordinates, and the PY and PY // position of the auxiliary axis when using it. // If we ever add user-settable absolute Pcbnew coordinates, we'll need to change the way // the key is built to ensure file only using the *same* axis have the same key. wxString registration_id = wxT( "Original" ); VECTOR2I auxOrigin = aBoard->GetDesignSettings().GetAuxOrigin(); if( aBoard->GetPlotOptions().GetUseAuxOrigin() && auxOrigin.x && auxOrigin.y ) registration_id.Printf( wxT( "PX%xPY%x" ), auxOrigin.x, auxOrigin.y ); text.Printf( wxT( "%%TF.SameCoordinates,%s*%%" ), registration_id.GetData() ); aPlotter->AddLineToHeader( makeStringCompatX1( text, aUseX1CompatibilityMode ) ); } void AddGerberX2Attribute( PLOTTER* aPlotter, const BOARD* aBoard, int aLayer, bool aUseX1CompatibilityMode ) { AddGerberX2Header( aPlotter, aBoard, aUseX1CompatibilityMode ); wxString text; // Add the TF.FileFunction text = GetGerberFileFunctionAttribute( aBoard, aLayer ); aPlotter->AddLineToHeader( makeStringCompatX1( text, aUseX1CompatibilityMode ) ); // Add the TF.FilePolarity (for layers which support that) text = GetGerberFilePolarityAttribute( aLayer ); if( !text.IsEmpty() ) aPlotter->AddLineToHeader( makeStringCompatX1( text, aUseX1CompatibilityMode ) ); } void BuildPlotFileName( wxFileName* aFilename, const wxString& aOutputDir, const wxString& aSuffix, const wxString& aExtension ) { // aFilename contains the base filename only (without path and extension) // when calling this function. // It is expected to be a valid filename (this is usually the board filename) aFilename->SetPath( aOutputDir ); // Set the file extension aFilename->SetExt( aExtension ); // remove leading and trailing spaces if any from the suffix, if // something survives add it to the name; // also the suffix can contain some not allowed chars in filename (/ \ . : and some others), // so change them to underscore // Remember it can be called from a python script, so the illegal chars // have to be filtered here. wxString suffix = aSuffix; suffix.Trim( true ); suffix.Trim( false ); wxString badchars = wxFileName::GetForbiddenChars(wxPATH_DOS); badchars.Append( "%." ); for( unsigned ii = 0; ii < badchars.Len(); ii++ ) suffix.Replace( badchars[ii], wxT("_") ); if( !suffix.IsEmpty() ) aFilename->SetName( aFilename->GetName() + wxT( "-" ) + suffix ); } PLOT_CONTROLLER::PLOT_CONTROLLER( BOARD* aBoard ) { m_plotter = nullptr; m_board = aBoard; m_plotLayer = UNDEFINED_LAYER; } PLOT_CONTROLLER::~PLOT_CONTROLLER() { ClosePlot(); } /* * IMPORTANT: the locale during plots *MUST* be kept as C/POSIX using a LOCALE_IO object on the * stack. This even when opening/closing the plotfile, as some drivers do I/O even then. */ void PLOT_CONTROLLER::ClosePlot() { LOCALE_IO toggle; if( m_plotter ) { m_plotter->EndPlot(); delete m_plotter->RenderSettings(); delete m_plotter; m_plotter = nullptr; } } bool PLOT_CONTROLLER::OpenPlotfile( const wxString& aSuffix, PLOT_FORMAT aFormat, const wxString& aSheetName, const wxString& aSheetPath ) { LOCALE_IO toggle; // Save the current format: sadly some plot routines depends on this but the main reason // is that the StartPlot method uses it to dispatch the plotter creation GetPlotOptions().SetFormat( aFormat ); // Ensure that the previous plot is closed ClosePlot(); // Now compute the full filename for the output and start the plot (after ensuring the // output directory is OK). std::function textResolver = [&]( wxString* token ) -> bool { // Handles m_board->GetTitleBlock() *and* m_board->GetProject() return m_board->ResolveTextVar( token, 0 ); }; wxString outputDirName = GetPlotOptions().GetOutputDirectory(); outputDirName = ExpandTextVars( outputDirName, &textResolver ); outputDirName = ExpandEnvVarSubstitutions( outputDirName, nullptr ); wxFileName outputDir = wxFileName::DirName( outputDirName ); wxString boardFilename = m_board->GetFileName(); if( EnsureFileDirectoryExists( &outputDir, boardFilename ) ) { // outputDir contains now the full path of plot files m_plotFile = boardFilename; m_plotFile.SetPath( outputDir.GetPath() ); wxString fileExt = GetDefaultPlotExtension( aFormat ); // Gerber format *can* use layer-specific file extensions (this is no longer best // practice as the official file ext is now .gbr). if( GetPlotOptions().GetFormat() == PLOT_FORMAT::GERBER && GetPlotOptions().GetUseGerberProtelExtensions() ) { fileExt = GetGerberProtelExtension( GetLayer() ); } // Build plot filenames from the board name and layer names: BuildPlotFileName( &m_plotFile, outputDir.GetPath(), aSuffix, fileExt ); m_plotter = StartPlotBoard( m_board, &GetPlotOptions(), ToLAYER_ID( GetLayer() ), m_plotFile.GetFullPath(), aSheetName, aSheetPath ); } return ( m_plotter != nullptr ); } bool PLOT_CONTROLLER::PlotLayer() { LOCALE_IO toggle; // No plot open, nothing to do... if( !m_plotter ) return false; // Fully delegated to the parent PlotOneBoardLayer( m_board, m_plotter, ToLAYER_ID( GetLayer() ), GetPlotOptions() ); return true; } void PLOT_CONTROLLER::SetColorMode( bool aColorMode ) { if( !m_plotter ) return; m_plotter->SetColorMode( aColorMode ); } bool PLOT_CONTROLLER::GetColorMode() { if( !m_plotter ) return false; return m_plotter->GetColorMode(); }