RS_FilterDxf Class Reference

This format filter class can import and export DXF files. More...

#include <rs_filterdxf.h>

Inheritance diagram for RS_FilterDxf:


Public Member Functions
	RS_FilterDxf ()
	Default constructor.
	~RS_FilterDxf ()
	Destructor.
virtual bool	fileImport (RS_Graphic &g, const RS_String &file, RS2::FormatType)
	Implementation of the method used for RS_Import to communicate with this filter.
virtual void	addLayer (const DL_LayerData &data)
	Implementation of the method which handles layers.
virtual void	addBlock (const DL_BlockData &data)
	Implementation of the method which handles blocks.
virtual void	endBlock ()
	Implementation of the method which closes blocks.
virtual void	addPoint (const DL_PointData &data)
	Implementation of the method which handles point entities.
virtual void	addLine (const DL_LineData &data)
	Implementation of the method which handles line entities.
virtual void	addArc (const DL_ArcData &data)
	Implementation of the method which handles arc entities.
virtual void	addEllipse (const DL_EllipseData &data)
	Implementation of the method which handles ellipse entities.
virtual void	addCircle (const DL_CircleData &data)
	Implementation of the method which handles circle entities.
virtual void	addPolyline (const DL_PolylineData &data)
	Implementation of the method which handles polyline entities.
virtual void	addVertex (const DL_VertexData &data)
	Implementation of the method which handles polyline vertices.
virtual void	addSpline (const DL_SplineData &data)
	Implementation of the method which handles splines.
virtual void	addKnot (const DL_KnotData &)
virtual void	addControlPoint (const DL_ControlPointData &data)
	Implementation of the method which handles spline control points.
virtual void	addInsert (const DL_InsertData &data)
	Implementation of the method which handles inserts.
virtual void	addTrace (const DL_TraceData &)
virtual void	addSolid (const DL_SolidData &)
virtual void	addMTextChunk (const char *text)
	Implementation of the method which handles text chunks for MText entities.
virtual void	addMText (const DL_MTextData &data)
	Implementation of the method which handles multi texts (MTEXT).
virtual void	addText (const DL_TextData &data)
	Implementation of the method which handles texts (TEXT).
RS_DimensionData	convDimensionData (const DL_DimensionData &data)
	Implementation of the method which handles dimensions (DIMENSION).
virtual void	addDimAlign (const DL_DimensionData &data, const DL_DimAlignedData &edata)
	Implementation of the method which handles aligned dimensions (DIMENSION).
virtual void	addDimLinear (const DL_DimensionData &data, const DL_DimLinearData &edata)
	Implementation of the method which handles linear dimensions (DIMENSION).
virtual void	addDimRadial (const DL_DimensionData &data, const DL_DimRadialData &edata)
	Implementation of the method which handles radial dimensions (DIMENSION).
virtual void	addDimDiametric (const DL_DimensionData &data, const DL_DimDiametricData &edata)
	Implementation of the method which handles diametric dimensions (DIMENSION).
virtual void	addDimAngular (const DL_DimensionData &data, const DL_DimAngularData &edata)
	Implementation of the method which handles angular dimensions (DIMENSION).
virtual void	addDimAngular3P (const DL_DimensionData &data, const DL_DimAngular3PData &edata)
	Implementation of the method which handles angular dimensions (DIMENSION).
virtual void	addLeader (const DL_LeaderData &data)
	Implementation of the method which handles leader entities.
virtual void	addLeaderVertex (const DL_LeaderVertexData &data)
	Implementation of the method which handles leader vertices.
virtual void	addHatch (const DL_HatchData &data)
	Implementation of the method which handles hatch entities.
virtual void	addHatchLoop (const DL_HatchLoopData &data)
	Implementation of the method which handles hatch loops.
virtual void	addHatchEdge (const DL_HatchEdgeData &data)
	Implementation of the method which handles hatch edge entities.
virtual void	addImage (const DL_ImageData &data)
	Implementation of the method which handles image entities.
virtual void	linkImage (const DL_ImageDefData &data)
	Implementation of the method which links image entities to image files.
virtual void	endEntity ()
	Finishes a hatch entity.
virtual void	endSequence ()
virtual void	setVariableVector (const char *key, double v1, double v2, double v3, int code)
	Sets a vector variable from the DXF file.
virtual void	setVariableString (const char key, const char value, int code)
	Sets a string variable from the DXF file.
virtual void	setVariableInt (const char *key, int value, int code)
	Sets an int variable from the DXF file.
virtual void	setVariableDouble (const char *key, double value, int code)
	Sets a double variable from the DXF file.
virtual bool	fileExport (RS_Graphic &g, const RS_String &file, RS2::FormatType formatType)
	Implementation of the method used for RS_Export to communicate with this filter.
void	writeVariables (DL_WriterA &dw)
	Writes all known variable settings to the DXF file.
void	writeLayer (DL_WriterA &dw, RS_Layer *l)
	Writes one layer to the DXF file.
void	writeLineType (DL_WriterA &dw, RS2::LineType t)
	Writes a line type to the DXF file.
void	writeAppid (DL_WriterA &dw, const char *appid)
	Writes an application id to the DXF file.
void	writeBlock (DL_WriterA &dw, RS_Block *blk)
	Writes a block (just the definition, not the entities in it).
void	writeEntity (DL_WriterA &dw, RS_Entity *e)
	Writes the given entity to the DXF file.
void	writeEntity (DL_WriterA &dw, RS_Entity *e, const DL_Attributes &attrib)
	Writes the given entity to the DXF file.
void	writePoint (DL_WriterA &dw, RS_Point *p, const DL_Attributes &attrib)
	Writes the given Point entity to the file.
void	writeLine (DL_WriterA &dw, RS_Line *l, const DL_Attributes &attrib)
	Writes the given Line( entity to the file.
void	writePolyline (DL_WriterA &dw, RS_Polyline *l, const DL_Attributes &attrib)
	Writes the given polyline entity to the file.
void	writeSpline (DL_WriterA &dw, RS_Spline *s, const DL_Attributes &attrib)
	Writes the given spline entity to the file.
void	writeCircle (DL_WriterA &dw, RS_Circle *c, const DL_Attributes &attrib)
	Writes the given circle entity to the file.
void	writeArc (DL_WriterA &dw, RS_Arc *a, const DL_Attributes &attrib)
void	writeEllipse (DL_WriterA &dw, RS_Ellipse *s, const DL_Attributes &attrib)
void	writeInsert (DL_WriterA &dw, RS_Insert *i, const DL_Attributes &attrib)
void	writeText (DL_WriterA &dw, RS_Text *t, const DL_Attributes &attrib)
void	writeDimension (DL_WriterA &dw, RS_Dimension *d, const DL_Attributes &attrib)
void	writeLeader (DL_WriterA &dw, RS_Leader *l, const DL_Attributes &attrib)
void	writeHatch (DL_WriterA &dw, RS_Hatch *h, const DL_Attributes &attrib)
void	writeSolid (DL_WriterA &dw, RS_Solid *s, const DL_Attributes &attrib)
void	writeImage (DL_WriterA &dw, RS_Image *i, const DL_Attributes &attrib)
void	writeEntityContainer (DL_WriterA &dw, RS_EntityContainer *con, const DL_Attributes &attrib)
void	writeAtomicEntities (DL_WriterA &dw, RS_EntityContainer *c, const DL_Attributes &attrib, RS2::ResolveLevel level)
	Writes the atomic entities of the given cotnainer to the file.
void	writeImageDef (DL_WriterA &dw, RS_Image *i)
	Writes an IMAGEDEF object into an OBJECT section.
void	setEntityAttributes (RS_Entity *entity, const DL_Attributes &attrib)
	Sets the entities attributes according to the attributes that come from a DXF file.
DL_Attributes	getEntityAttributes (RS_Entity *entity)
	Gets the entities attributes as a DL_Attributes object.
RS_Pen	attributesToPen (const DL_Attributes &attrib) const
Static Public Member Functions
static RS_String	toDxfString (const RS_String &string, RS2::FormatType formatType=RS2::FormatDxf)
	Converts a native unicode string into a DXF encoded string.
static RS_String	toNativeString (const RS_String &string)
	Converts a DXF encoded string into a native Unicode string.
static RS_Color	numberToColor (int num, bool comp=false)
	Converts a color index (num) into a RS_Color object.
static int	colorToNumber (const RS_Color &col)
	Converts a color into a color number in the DXF palette.
static RS2::LineType	nameToLineType (const RS_String &name)
	Converts a line type name (e.g.
static RS_String	lineTypeToName (RS2::LineType lineType)
	Converts a RS_LineType into a name for a line type.
static RS2::LineWidth	numberToWidth (int num)
	Converts a line width number (e.g.
static int	widthToNumber (RS2::LineWidth width)
	Converts a RS2::LineWidth into an int width.
static RS2::AngleFormat	numberToAngleFormat (int num)
	Converts the given number from a DXF file into an AngleFormat enum.
static int	angleFormatToNumber (RS2::AngleFormat af)
	Converts AngleFormat enum to DXF number.
static RS2::Unit	numberToUnit (int num)
	converts a DXF unit setting (e.g.
static int	unitToNumber (RS2::Unit unit)
	Converst a unit enum into a DXF unit number e.g.
static bool	isVariableTwoDimensional (const RS_String &var)
	Checks if the given variable is two-dimensional (e.g.

Detailed Description

This format filter class can import and export DXF files.

It depends on the dxflib library.

Author:: Andrew Mustun

Member Function Documentation

void RS_FilterDxf::addArc ( const DL_ArcData & data ) [virtual]

Implementation of the method which handles arc entities.

Parameters:

angle1 Start angle in deg (!)

angle2 End angle in deg (!)

void RS_FilterDxf::addBlock ( const DL_BlockData & data ) [virtual]

Implementation of the method which handles blocks.

Todo:
Adding blocks to blocks (stack for currentContainer)

void RS_FilterDxf::addEllipse ( const DL_EllipseData & data ) [virtual]

Implementation of the method which handles ellipse entities.

Parameters:

angle1 Start angle in rad (!)

angle2 End angle in rad (!)

RS_Pen RS_FilterDxf::attributesToPen ( const DL_Attributes & attrib ) const

Returns:
Pen with the same attributes as 'attrib'.

int RS_FilterDxf::colorToNumber ( const RS_Color & col ) [static]

Converts a color into a color number in the DXF palette.
The color that fits best is chosen.

bool RS_FilterDxf::fileExport ( RS_Graphic & g,

const RS_String & file,

RS2::FormatType formatType

) [virtual]

Implementation of the method used for RS_Export to communicate with this filter.

Parameters:

file Full path to the DXF file that will be written.

Implements RS_FilterInterface.

bool RS_FilterDxf::fileImport ( RS_Graphic & g,

const RS_String & file,

RS2::FormatType

) [virtual]

Implementation of the method used for RS_Import to communicate with this filter.

Parameters:

g The graphic in which the entities from the file will be created or the graphics from which the entities are taken to be stored in a file.

Implements RS_FilterInterface.

bool RS_FilterDxf::isVariableTwoDimensional ( const RS_String & var ) [static]

Checks if the given variable is two-dimensional (e.g.
$LIMMIN).

RS2::LineType RS_FilterDxf::nameToLineType ( const RS_String & name ) [static]

Converts a line type name (e.g.
"CONTINUOUS") into a RS2::LineType object.

RS2::AngleFormat RS_FilterDxf::numberToAngleFormat ( int num ) [static]

Converts the given number from a DXF file into an AngleFormat enum.

Parameters:

num $DIMAUNIT from DXF (0: decimal deg, 1: deg/min/sec, 2: gradians, 3: radians, 4: surveyor's units)

Matching AngleFormat enum value.

RS_Color RS_FilterDxf::numberToColor ( int num,

bool comp = false

) [static]

Converts a color index (num) into a RS_Color object.
Please refer to the dxflib documentation for details.

Parameters:

num Color number.

comp Compatibility with older QCad versions (1.5.3 and older)

RS2::Unit RS_FilterDxf::numberToUnit ( int num ) [static]

converts a DXF unit setting (e.g.
INSUNITS) to a unit enum.

RS2::LineWidth RS_FilterDxf::numberToWidth ( int num ) [static]

Converts a line width number (e.g.
1) into a RS2::LineWidth.

RS_String RS_FilterDxf::toDxfString ( const RS_String & string,

RS2::FormatType formatType = RS2::FormatDxf

) [static]

Converts a native unicode string into a DXF encoded string.
DXF endoding includes the following special sequences:

%%c for a diameter sign
%%d for a degree sign
%%p for a plus/minus sign

int RS_FilterDxf::unitToNumber ( RS2::Unit unit ) [static]

Converst a unit enum into a DXF unit number e.g.
for INSUNITS.

void RS_FilterDxf::writeAppid ( DL_WriterA & dw,

const char * appid

)

Writes an application id to the DXF file.

Parameters:

appid Application ID (e.g. "QCad").

void RS_FilterDxf::writeLayer ( DL_WriterA & dw,

RS_Layer * l

)

Writes one layer to the DXF file.

Todo:
Add support for unicode layer names

The documentation for this class was generated from the following files:

rs_filterdxf.h
rs_filterdxf.cpp

Generated on Sat Jan 6 13:48:23 2007 for qcadlib by

1.4.4

RS_FilterDxf Class Reference

Public Member Functions

Static Public Member Functions

Detailed Description

Member Function Documentation