kicad/pcbnew/import_gfx/dxf_import_plugin.h

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/*
* This program source code file is part of KiCad, a free EDA CAD application.
*
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* Copyright (C) 2019 Jean-Pierre Charras, jp.charras at wanadoo.fr
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* Copyright (C) 1992-2021 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
*/
#ifndef DXF2BRD_ITEMS_H
#define DXF2BRD_ITEMS_H
#include "graphics_import_plugin.h"
#include "graphics_importer_buffer.h"
#include <dl_creationadapter.h>
#include <dl_dxf.h>
#include <math/vector3.h>
#include <wildcards_and_files_ext.h>
#include <list>
class BOARD;
class BOARD_ITEM;
/**
* A helper class to store a spline control point (in X,Y plane only)
*/
struct SPLINE_CTRL_POINT
{
double m_x;
double m_y;
double m_weight;
SPLINE_CTRL_POINT( double a_x, double a_y, double a_weight )
: m_x( a_x ), m_y( a_y ), m_weight( a_weight )
{}
};
/**
* A helper class to parse a DXF entity (polyline and spline)
*/
class DXF2BRD_ENTITY_DATA
{
public:
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DXF2BRD_ENTITY_DATA() { Clear(); };
// Reset the entity parameters
void Clear()
{
m_EntityType = DL_UNKNOWN;
m_EntityParseStatus = 0;
m_EntityFlag = 0;
m_SplineDegree = 1;
m_SplineKnotsCount = 0;
m_SplineControlCount = 0;
m_SplineFitCount = 0;
m_SplineTangentStartX = 0.0;
m_SplineTangentStartY = 0.0;
m_SplineTangentEndX = 0.0;
m_SplineTangentEndY = 0.0;
m_BulgeVertex = 0.0;
m_SplineKnotsList.clear();
m_SplineControlPointList.clear();
m_SplineFitPointList.clear();
}
int m_EntityType; // the DXF type of entity
int m_EntityParseStatus; // Inside a entity: status of parsing:
// 0 = no entity
// 1 = first item of entity
// 2 = entity in progress
int m_EntityFlag; // a info flag to parse entities
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VECTOR2D m_LastCoordinate; // the last vertex coordinate read (unit = mm)
VECTOR2D m_PolylineStart; // The first point of the polyline entity, when reading a
// polyline (unit = mm)
double m_BulgeVertex; // the last vertex bulge value read
// for spline parsing: parameters
unsigned int m_SplineDegree;
unsigned int m_SplineKnotsCount;
unsigned int m_SplineControlCount;
unsigned int m_SplineFitCount;
double m_SplineTangentStartX; // tangent dir X for the start point
double m_SplineTangentStartY; // tangent dir Y for the start point
double m_SplineTangentEndX; // tangent dir X for the end point
double m_SplineTangentEndY; // tangent dir Y for the end point
// for spline parsing: buffers to store control points, fit points and knot
std::vector<double> m_SplineKnotsList; // knots list, code 40
// control points list coordinates, code 10, 20 & 30 (only X and Y cood and Weight)
std::vector<SPLINE_CTRL_POINT> m_SplineControlPointList;
// fit points list, code 11, 21 & 31 (only X and Y cood)
std::vector<VECTOR2D> m_SplineFitPointList;
};
// Magic constants as defined by dxf specification for line weight
#define DXF_IMPORT_LINEWEIGHT_BY_LAYER -1
#define DXF_IMPORT_LINEWEIGHT_BY_BLOCK -2
#define DXF_IMPORT_LINEWEIGHT_BY_LW_DEFAULT -3
/**
* A helper class to hold layer settings temporarily during import
*/
class DXF_IMPORT_LAYER
{
public:
wxString m_layerName;
int m_lineWeight;
DXF_IMPORT_LAYER( const wxString& aName, int aLineWeight )
{
m_layerName = aName;
m_lineWeight = aLineWeight;
}
};
/**
* A helper class to hold layer settings temporarily during import
*/
class DXF_IMPORT_BLOCK
{
public:
wxString m_name;
double m_baseX, m_baseY;
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GRAPHICS_IMPORTER_BUFFER m_buffer;
DXF_IMPORT_BLOCK( const wxString& aName, double aX, double aY )
{
m_name = aName;
m_baseX = aX;
m_baseY = aY;
}
};
/**
* A helper class to hold style settings temporarily during import
*/
class DXF_IMPORT_STYLE
{
public:
wxString m_name;
double m_textHeight;
double m_widthFactor;
bool m_bold;
bool m_italic;
DXF_IMPORT_STYLE( const wxString& aName, double aTextHeight, double aWidthFactor, bool aBold,
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bool aItalic )
{
m_name = aName;
m_textHeight = aTextHeight;
m_widthFactor = aWidthFactor;
m_bold = aBold;
m_italic = aItalic;
}
};
/**
* DXF Units enum with values as specified in DXF 2012 Specification
*/
enum class DXF_IMPORT_UNITS
{
DEFAULT = 0,
INCHES = 1,
FEET = 2,
MILLIMETERS = 4,
CENTIMETERS = 5,
METERS = 6,
MICROINCHES = 8,
MILS = 9,
YARDS = 10,
ANGSTROMS = 11,
NANOMETERS = 12,
MICRONS = 13,
DECIMETERS = 14,
DECAMETERS = 15,
HECTOMETERS = 16,
GIGAMETERS = 17,
ASTRONOMICAL = 18,
LIGHTYEARS = 19,
PARSECS = 20
};
/**
* Helper class representing the DXF specification's "arbitrary axis"
*/
struct DXF_ARBITRARY_AXIS
{
VECTOR3D vecX;
VECTOR3D vecY;
VECTOR3D vecZ;
};
/**
* This class import DXF ASCII files and convert basic entities to board entities.
* It depends on the dxflib library.
*/
#if 0 //defined(DEBUG)
// For dxf import debug:
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#define ON_UNSUPPORTED( error_msg ) wxLogMessage( wxT( error_msg ) )
#else
#define ON_UNSUPPORTED( error_msg )
#endif
class DXF_IMPORT_PLUGIN : public GRAPHICS_IMPORT_PLUGIN, public DL_CreationAdapter
{
public:
DXF_IMPORT_PLUGIN();
~DXF_IMPORT_PLUGIN();
const wxString GetName() const override
{
return "AutoCAD DXF";
}
const std::vector<std::string> GetFileExtensions() const override
{
static std::vector<std::string> exts = { "dxf" };
return exts;
}
bool Load( const wxString& aFileName ) override;
bool Import() override;
double GetImageWidth() const override;
double GetImageHeight() const override;
void updateImageLimits( const VECTOR2D& aPoint );
virtual void SetImporter( GRAPHICS_IMPORTER* aImporter ) override;
/**
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* Allow the import DXF items converted to board graphic items or footprint graphic items.
*
* @param aImportAsFootprintGraphic use true to import in a footprint or false to import on
* a board.
*/
void ImportAsFootprintGraphic( bool aImportAsFootprintGraphic )
{
m_importAsFPShapes = aImportAsFootprintGraphic;
}
/**
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* Set the default units when importing DXFs.
*
* DXFs can lack units by design which requires the importing software to make the decision.
*
* @param aUnits is the default unit of the DXF to assume.
*/
void SetUnit( DXF_IMPORT_UNITS aUnit )
{
m_currentUnit = aUnit;
}
/**
* Set the default line width when importing dxf items like lines to Pcbnew.
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*
* DXF files have no line width explicit parameter, it will be most of time the line width
* of imported lines.
*f
* @param aWidth is the line width in mm.
*/
void SetDefaultLineWidthMM( double aWidth )
{
m_defaultThickness = aWidth;
}
void SetLineWidthMM( double aWidth ) override { SetDefaultLineWidthMM( aWidth ); }
/**
* Set the coordinate offset between the imported dxf items and Pcbnew.
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*
* DXF files have the Y axis from bottom to top aOffsetX = 0, and aOffsetY = - vertical
* page size to import a full page.
*
* @param aOffsetX is the X offset in mm.
* @param aOffsetY is the Y offset in mm.
*/
void SetOffset( double aOffsetX, double aOffsetY )
{
m_xOffset = aOffsetX;
m_yOffset = aOffsetY;
}
/**
* Set the layer number to import dxf items.
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*
* The layer should be a technical layer, not a copper layer.
*/
void SetBrdLayer( int aBrdLayer ) { m_brdLayer = aBrdLayer; }
/**
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* Implementation of the method used for communicate with this filter.
*
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* @param aFile is the full filename.
*/
bool ImportDxfFile( const wxString& aFile );
/**
* @return the list of messages in one string. Each message ends by '\n'
*/
const wxString& GetMessages() const override
{
return m_messages;
}
private:
// report message to keep trace of not supported dxf entities:
void reportMsg( const wxString& aMessage );
// coordinate conversions from dxf file to mm
double mapX( double aDxfCoordX );
double mapY( double aDxfCoordY );
double mapDim( double aDxfValue );
double lineWeightToWidth( int lw, DXF_IMPORT_LAYER* aLayer );
double getCurrentUnitScale();
DXF_ARBITRARY_AXIS getArbitraryAxis( DL_Extrusion* aData );
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/**
* Converts a given world coordinate point to object coordinate using the given arbitrary
* axis vectors.
*/
VECTOR3D wcsToOcs( const DXF_ARBITRARY_AXIS& arbitraryAxis, VECTOR3D point );
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/**
* Converts a given object coordinate point to world coordinate using the given arbitrary
* axis vectors.
*/
VECTOR3D ocsToWcs( const DXF_ARBITRARY_AXIS& arbitraryAxis, VECTOR3D point );
/**
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* Return the import layer data.
*
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* @param aLayerName is the raw string from dxflib getLayer().
* @returns The given layer by name or the placeholder layer inserted in the constructor.
*/
DXF_IMPORT_LAYER* getImportLayer( const std::string& aLayerName );
/**
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* Return the import layer block.
*
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* @param aBlockName is the raw string from dxflib.
* @return The given block by name or nullptr if not found.
*/
DXF_IMPORT_BLOCK* getImportBlock( const std::string& aBlockName );
/**
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* Return the import style.
*
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* @param aStyleName is the raw string from dxflib.
* @return The given style by name or nullptr if not found.
*/
DXF_IMPORT_STYLE* getImportStyle( const std::string& aStyleName );
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// Functions to aid in the creation of a Polyline.
void insertLine( const VECTOR2D& aSegStart, const VECTOR2D& aSegEnd, double aWidth );
void insertArc( const VECTOR2D& aSegStart, const VECTOR2D& aSegEnd,
double aBulge, double aWidth );
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// Add a dxf spline (stored in m_curr_entity) to the board, after conversion to segments.
void insertSpline( double aWidth );
// Methods from DL_CreationAdapter:
// They are something like"call back" functions,
// called when the corresponding object is read in dxf file
/**
* Called for every string variable in the DXF file (e.g. "$ACADVER").
*/
virtual void setVariableString( const std::string& key, const std::string& value,
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int code ) override;
/**
* Called for every int variable in the DXF file (e.g. "$ACADMAINTVER").
*/
virtual void setVariableInt( const std::string& key, int value, int code ) override;
/**
* Called for every double variable in the DXF file (e.g. "$DIMEXO").
*/
virtual void setVariableDouble( const std::string& key, double value, int code ) override {}
virtual void addLayer( const DL_LayerData& aData ) override;
virtual void addLine( const DL_LineData& aData ) override;
virtual void addLinetype( const DL_LinetypeData& data ) override;
/**
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* Called for each BLOCK in the DXF file.
*
* These are re-usable elements that may be placed into the model space. The elements
* are dereferenced to the model, so we just need to skip the re-parsing for the block
* elements.
*/
virtual void addBlock( const DL_BlockData& ) override;
virtual void endBlock() override;
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virtual void addTextStyle( const DL_StyleData& aData ) override;
virtual void addPoint( const DL_PointData& aData ) override;
virtual void addCircle( const DL_CircleData& aData ) override;
virtual void addArc( const DL_ArcData& aData ) override;
//virtual void addLWPolyline( const DRW_LWPolyline& aData ) override;
virtual void addText( const DL_TextData& aData ) override;
virtual void addPolyline( const DL_PolylineData& aData ) override;
/* Inserts blocks where specified by insert data */
virtual void addInsert( const DL_InsertData& aData ) override;
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/**
* Called for every polyline vertex.
*/
virtual void addVertex( const DL_VertexData& aData ) override;
virtual void addMText( const DL_MTextData& aData) override;
virtual void endEntity() override;
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/**
* Called for every spline.
* */
virtual void addSpline( const DL_SplineData& aData ) override;
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/**
* Called for every spline control point.
*/
virtual void addControlPoint( const DL_ControlPointData& aData ) override;
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/**
* Called for every spline fit point.
*/
virtual void addFitPoint( const DL_FitPointData& aData ) override;
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/**
* Called for every spline knot value.
*/
virtual void addKnot( const DL_KnotData& aData ) override;
// Not yet handled DXF entities:
virtual void addXLine( const DL_XLineData& ) override { ON_UNSUPPORTED( "addXLine" ); }
virtual void addRay( const DL_RayData& ) override { ON_UNSUPPORTED( "addRay" ); }
virtual void addArcAlignedText( const DL_ArcAlignedTextData& ) override
{ ON_UNSUPPORTED( "addArcAlignedText" ); }
virtual void addAttribute( const DL_AttributeData& ) override
{ ON_UNSUPPORTED( "addAttribute" ); }
virtual void addDimAlign( const DL_DimensionData&,
const DL_DimAlignedData& ) override { ON_UNSUPPORTED( "addDimAlign" ); }
virtual void addDimLinear( const DL_DimensionData&,
const DL_DimLinearData& ) override { ON_UNSUPPORTED( "addDimLinear" ); }
virtual void addDimRadial( const DL_DimensionData&,
const DL_DimRadialData& ) override { ON_UNSUPPORTED( "addDimRadial" ); }
virtual void addDimDiametric( const DL_DimensionData&,
const DL_DimDiametricData& ) override { ON_UNSUPPORTED( "addDimDiametric" ); }
virtual void addDimAngular( const DL_DimensionData&,
const DL_DimAngular2LData& ) override { ON_UNSUPPORTED( "addDimAngular" ); }
virtual void addDimAngular3P( const DL_DimensionData&,
const DL_DimAngular3PData& ) override { ON_UNSUPPORTED( "addDimAngular3P" ); }
virtual void addDimOrdinate( const DL_DimensionData&,
const DL_DimOrdinateData& ) override { ON_UNSUPPORTED( "addDimOrdinate" ); }
virtual void addLeader( const DL_LeaderData& ) override
{ ON_UNSUPPORTED( "addLeader" ); }
virtual void addLeaderVertex( const DL_LeaderVertexData& ) override
{ ON_UNSUPPORTED( "addLeaderVertex" ); }
virtual void addHatch( const DL_HatchData& ) override { ON_UNSUPPORTED( "addHatch" ); }
virtual void addTrace( const DL_TraceData& ) override { ON_UNSUPPORTED( "addTrace" ); }
virtual void add3dFace( const DL_3dFaceData& ) override { ON_UNSUPPORTED( "add3dFace" ); }
virtual void addSolid( const DL_SolidData& ) override { ON_UNSUPPORTED( "addSolid" ); }
virtual void addImage( const DL_ImageData& ) override { ON_UNSUPPORTED( "addImage" ); }
virtual void linkImage( const DL_ImageDefData& ) override {}
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virtual void addHatchLoop( const DL_HatchLoopData& ) override
{
ON_UNSUPPORTED( "addHatchLoop" );
}
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virtual void addHatchEdge( const DL_HatchEdgeData& ) override
{
ON_UNSUPPORTED( "addHatchEdge" );
}
virtual void addXRecord( const std::string& ) override { ON_UNSUPPORTED( "addXRecord" ); }
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virtual void addXRecordString( int, const std::string& ) override
{
ON_UNSUPPORTED( "addXRecordString" );
}
virtual void addXRecordReal( int, double ) override { ON_UNSUPPORTED( "addXRecordReal" ); }
virtual void addXRecordInt( int, int ) override { ON_UNSUPPORTED( "addXRecordInt" ); }
virtual void addXRecordBool( int, bool ) override { ON_UNSUPPORTED( "addXRecordBool" ); }
virtual void addXDataApp( const std::string& ) override { ON_UNSUPPORTED( "addXDataApp" ); }
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virtual void addXDataString( int, const std::string& ) override
{
ON_UNSUPPORTED( "addXDataString" );
}
virtual void addXDataReal( int, double ) override { ON_UNSUPPORTED( "addXDataReal" ); }
virtual void addXDataInt( int, int ) override { ON_UNSUPPORTED( "addXDataInt" ); }
/**
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* Convert a native Unicode string into a DXF encoded string.
*
* DXF encoding includes the following special sequences:
* - %%%c for a diameter sign
* - %%%d for a degree sign
* - %%%p for a plus/minus sign
*/
static wxString toDxfString( const wxString& aStr );
/**
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* Convert a DXF encoded string into a native Unicode string.
*/
static wxString toNativeString( const wxString& aData );
void writeLine();
void writeMtext();
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private:
double m_xOffset; // X coord offset for conversion (in mm)
double m_yOffset; // Y coord offset for conversion (in mm)
double m_defaultThickness; // default line thickness for conversion (in mm)
int m_brdLayer; // The board layer to place imported DXF items
int m_version; // the dxf version, not used here
std::string m_codePage; // The code page, not used here
bool m_importAsFPShapes; // Use footprint items instead of board items when true.
// true when the items are imported in the footprint editor
wxString m_messages; // messages generated during dxf file parsing.
// Each message ends by '\n'
DXF2BRD_ENTITY_DATA m_curr_entity; // the current entity parameters when parsing a DXF entity
double m_minX, m_maxX; // handles image size in mm
double m_minY, m_maxY; // handles image size in mm
DXF_IMPORT_UNITS m_currentUnit; // current unit during import
int m_importCoordinatePrecision; // current precision for linear units (points)
int m_importAnglePrecision; // current precision for angles
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GRAPHICS_IMPORTER_BUFFER m_internalImporter;
// List of layers as we import, used just to grab props for objects.
std::vector<std::unique_ptr<DXF_IMPORT_LAYER>> m_layers;
std::vector<std::unique_ptr<DXF_IMPORT_BLOCK>> m_blocks; // List of blocks as we import
std::vector<std::unique_ptr<DXF_IMPORT_STYLE>> m_styles; // List of blocks as we import
DXF_IMPORT_BLOCK* m_currentBlock;
};
#endif // DXF2BRD_ITEMS_H