Reading and writing of DXF files. More...

#include <dl_dxf.h>

Public Member Functions
void	add3dFace (DL_CreationInterface *creationInterface)
	Adds a 3dface entity that was read from the file via the creation interface.
void	addArc (DL_CreationInterface *creationInterface)
	Adds an arc entity that was read from the file via the creation interface.
void	addAttrib (DL_CreationInterface *creationInterface)
	Adds an attrib entity that was read from the file via the creation interface.
void	addBlock (DL_CreationInterface *creationInterface)
	Adds a block that was read from the file via the creation interface.
void	addCircle (DL_CreationInterface *creationInterface)
	Adds a circle entity that was read from the file via the creation interface.
void	addComment (DL_CreationInterface creationInterface, const char comment)
	Adds a comment from the DXF file.
void	addDimAligned (DL_CreationInterface *creationInterface)
	Adds an aligned dimension entity that was read from the file via the creation interface.
void	addDimAngular (DL_CreationInterface *creationInterface)
	Adds an angular dimension entity that was read from the file via the creation interface.
void	addDimAngular3P (DL_CreationInterface *creationInterface)
	Adds an angular dimension entity that was read from the file via the creation interface.
void	addDimDiametric (DL_CreationInterface *creationInterface)
	Adds a diametric dimension entity that was read from the file via the creation interface.
void	addDimLinear (DL_CreationInterface *creationInterface)
	Adds a linear dimension entity that was read from the file via the creation interface.
void	addDimOrdinate (DL_CreationInterface *creationInterface)
	Adds an ordinate dimension entity that was read from the file via the creation interface.
void	addDimRadial (DL_CreationInterface *creationInterface)
	Adds a radial dimension entity that was read from the file via the creation interface.
void	addEllipse (DL_CreationInterface *creationInterface)
	Adds an ellipse entity that was read from the file via the creation interface.
void	addHatch (DL_CreationInterface *creationInterface)
	Adds a hatch entity that was read from the file via the creation interface.
void	addImage (DL_CreationInterface *creationInterface)
	Adds an image entity that was read from the file via the creation interface.
void	addImageDef (DL_CreationInterface *creationInterface)
	Adds an image definition that was read from the file via the creation interface.
void	addInsert (DL_CreationInterface *creationInterface)
	Adds an insert entity that was read from the file via the creation interface.
void	addLayer (DL_CreationInterface *creationInterface)
	Adds a layer that was read from the file via the creation interface.
void	addLeader (DL_CreationInterface *creationInterface)
	Adds a leader entity that was read from the file via the creation interface.
void	addLine (DL_CreationInterface *creationInterface)
	Adds a line entity that was read from the file via the creation interface.
void	addMText (DL_CreationInterface *creationInterface)
	Adds an MText entity that was read from the file via the creation interface.
void	addPoint (DL_CreationInterface *creationInterface)
	Adds a point entity that was read from the file via the creation interface.
void	addPolyline (DL_CreationInterface *creationInterface)
	Adds a polyline entity that was read from the file via the creation interface.
void	addSetting (DL_CreationInterface *creationInterface)
	Adds a variable from the DXF file.
void	addSolid (DL_CreationInterface *creationInterface)
	Adds a solid entity (filled trace) that was read from the file via the creation interface.
void	addSpline (DL_CreationInterface *creationInterface)
	Adds a spline entity that was read from the file via the creation interface.
void	addText (DL_CreationInterface *creationInterface)
	Adds an text entity that was read from the file via the creation interface.
void	addTrace (DL_CreationInterface *creationInterface)
	Adds a trace entity (4 edge closed polyline) that was read from the file via the creation interface.
void	addVertex (DL_CreationInterface *creationInterface)
	Adds a polyline vertex entity that was read from the file via the creation interface.
	DL_Dxf ()
	Default constructor.
void	endBlock (DL_CreationInterface *creationInterface)
	Ends a block that was read from the file via the creation interface.
void	endEntity (DL_CreationInterface *creationInterface)
	Ends some special entities like hatches or old style polylines.
void	endSequence (DL_CreationInterface *creationInterface)
	Ends a sequence and notifies the creation interface.
DL_DimensionData	getDimData ()
int	getLibVersion (const char *str)
DL_Codes::version	getVersion ()
bool	handleHatchData (DL_CreationInterface *creationInterface)
	Handles additional hatch data.
bool	handleLeaderData (DL_CreationInterface *creationInterface)
	Handles additional leader data.
bool	handleLWPolylineData (DL_CreationInterface *creationInterface)
	Handles additional polyline data.
bool	handleMTextData (DL_CreationInterface *creationInterface)
	Handles additional MText data.
bool	handleSplineData (DL_CreationInterface *creationInterface)
	Handles additional spline data.
bool	in (const string &file, DL_CreationInterface *creationInterface)
	Reads the given file and calls the appropriate functions in the given creation interface for every entity found in the file.
bool	in (std::stringstream &stream, DL_CreationInterface *creationInterface)
	Reads a DXF file from an existing stream.
DL_WriterA *	out (const char *file, DL_Codes::version version=DL_VERSION_2000)
	Opens the given file for writing and returns a pointer to the dxf writer.
bool	processDXFGroup (DL_CreationInterface creationInterface, int groupCode, const char groupValue)
	Processes a group (pair of group code and value).
bool	readDxfGroups (FILE fp, DL_CreationInterface creationInterface, int *errorCounter=NULL)
	Reads a group couplet from a DXF file.
bool	readDxfGroups (std::stringstream &stream, DL_CreationInterface creationInterface, int errorCounter=NULL)
	Same as above but for stringstreams.
int	stringToInt (const char s, bool ok=NULL)
	Converts the given string into an int.
void	write3dFace (DL_WriterA &dw, const DL_3dFaceData &data, const DL_Attributes &attrib)
	Writes a 3d face entity to the file.
void	writeAppid (DL_WriterA &dw, const string &name)
	Writes the APPID section to the DXF file.
void	writeArc (DL_WriterA &dw, const DL_ArcData &data, const DL_Attributes &attrib)
	Writes an arc entity to the file.
void	writeBlock (DL_WriterA &dw, const DL_BlockData &data)
	Writes a block's definition (no entities) to the DXF file.
void	writeBlockRecord (DL_WriterA &dw)
	Writes a blockrecord section.
void	writeBlockRecord (DL_WriterA &dw, const string &name)
	Writes a single block record with the given name.
void	writeCircle (DL_WriterA &dw, const DL_CircleData &data, const DL_Attributes &attrib)
	Writes a circle entity to the file.
void	writeComment (DL_WriterA &dw, const string &comment)
	Writes a comment to the DXF file.
void	writeControlPoint (DL_WriterA &dw, const DL_ControlPointData &data)
	Writes a single control point of a spline to the file.
void	writeDimAligned (DL_WriterA &dw, const DL_DimensionData &data, const DL_DimAlignedData &edata, const DL_Attributes &attrib)
	Writes an aligned dimension entity to the file.
void	writeDimAngular (DL_WriterA &dw, const DL_DimensionData &data, const DL_DimAngularData &edata, const DL_Attributes &attrib)
	Writes an angular dimension entity to the file.
void	writeDimAngular3P (DL_WriterA &dw, const DL_DimensionData &data, const DL_DimAngular3PData &edata, const DL_Attributes &attrib)
	Writes an angular dimension entity (3 points version) to the file.
void	writeDimDiametric (DL_WriterA &dw, const DL_DimensionData &data, const DL_DimDiametricData &edata, const DL_Attributes &attrib)
	Writes a diametric dimension entity to the file.
void	writeDimLinear (DL_WriterA &dw, const DL_DimensionData &data, const DL_DimLinearData &edata, const DL_Attributes &attrib)
	Writes a linear dimension entity to the file.
void	writeDimOrdinate (DL_WriterA &dw, const DL_DimensionData &data, const DL_DimOrdinateData &edata, const DL_Attributes &attrib)
	Writes an ordinate dimension entity to the file.
void	writeDimRadial (DL_WriterA &dw, const DL_DimensionData &data, const DL_DimRadialData &edata, const DL_Attributes &attrib)
	Writes a radial dimension entity to the file.
void	writeDimStyle (DL_WriterA &dw, double dimasz, double dimexe, double dimexo, double dimgap, double dimtxt)
	Writes a dimstyle section.
void	writeEllipse (DL_WriterA &dw, const DL_EllipseData &data, const DL_Attributes &attrib)
	Writes an ellipse entity to the file.
void	writeEndBlock (DL_WriterA &dw, const string &name)
	Writes a block end.
void	writeHatch1 (DL_WriterA &dw, const DL_HatchData &data, const DL_Attributes &attrib)
	Writes the beginning of a hatch entity to the file.
void	writeHatch2 (DL_WriterA &dw, const DL_HatchData &data, const DL_Attributes &attrib)
	Writes the end of a hatch entity to the file.
void	writeHatchEdge (DL_WriterA &dw, const DL_HatchEdgeData &data)
	Writes the beginning of a hatch entity to the file.
void	writeHatchLoop1 (DL_WriterA &dw, const DL_HatchLoopData &data)
	Writes the beginning of a hatch loop to the file.
void	writeHatchLoop2 (DL_WriterA &dw, const DL_HatchLoopData &data)
	Writes the end of a hatch loop to the file.
void	writeHeader (DL_WriterA &dw)
	Writes a DXF header to the file currently opened by the given DXF writer object.
int	writeImage (DL_WriterA &dw, const DL_ImageData &data, const DL_Attributes &attrib)
	Writes an image entity.
void	writeImageDef (DL_WriterA &dw, int handle, const DL_ImageData &data)
	Writes an image definiition entity.
void	writeInsert (DL_WriterA &dw, const DL_InsertData &data, const DL_Attributes &attrib)
	Writes an insert to the file.
void	writeKnot (DL_WriterA &dw, const DL_KnotData &data)
	Writes a single knot of a spline to the file.
void	writeLayer (DL_WriterA &dw, const DL_LayerData &data, const DL_Attributes &attrib)
	Writes a layer to the file.
void	writeLeader (DL_WriterA &dw, const DL_LeaderData &data, const DL_Attributes &attrib)
	Writes a leader entity to the file.
void	writeLeaderVertex (DL_WriterA &dw, const DL_LeaderVertexData &data)
	Writes a single vertex of a leader to the file.
void	writeLine (DL_WriterA &dw, const DL_LineData &data, const DL_Attributes &attrib)
	Writes a line entity to the file.
void	writeLineType (DL_WriterA &dw, const DL_LineTypeData &data)
	Writes a line type to the file.
void	writeMText (DL_WriterA &dw, const DL_MTextData &data, const DL_Attributes &attrib)
	Writes a multi text entity to the file.
void	writeObjects (DL_WriterA &dw)
	Writes a objects section.
void	writeObjectsEnd (DL_WriterA &dw)
	Writes the end of the objects section.
void	writePoint (DL_WriterA &dw, const DL_PointData &data, const DL_Attributes &attrib)
	Writes a point entity to the file.
void	writePolyline (DL_WriterA &dw, const DL_PolylineData &data, const DL_Attributes &attrib)
	Writes a polyline entity to the file.
void	writePolylineEnd (DL_WriterA &dw)
	Writes the polyline end.
void	writeSolid (DL_WriterA &dw, const DL_SolidData &data, const DL_Attributes &attrib)
	Writes a solid entity to the file.
void	writeSpline (DL_WriterA &dw, const DL_SplineData &data, const DL_Attributes &attrib)
	Writes a spline entity to the file.
void	writeStyle (DL_WriterA &dw)
	Writes a style section.
void	writeText (DL_WriterA &dw, const DL_TextData &data, const DL_Attributes &attrib)
	Writes a text entity to the file.
void	writeUcs (DL_WriterA &dw)
	Writes a ucs section.
void	writeVertex (DL_WriterA &dw, const DL_VertexData &data)
	Writes a single vertex of a polyline to the file.
void	writeView (DL_WriterA &dw)
	Writes a view section.
void	writeVPort (DL_WriterA &dw)
	Writes a viewport section.
	~DL_Dxf ()
	Destructor.

Static Public Member Functions
static bool	checkVariable (const char *var, DL_Codes::version version)
	Checks if the given variable is known by the given DXF version.
static bool	getChoppedLine (char s, unsigned int size, FILE stream)
	Reads line from file & strips whitespace at start and newline at end.
static bool	getChoppedLine (char *s, unsigned int size, std::stringstream &stream)
	Same as above but for stringstreams.
static bool	stripWhiteSpace (char **s)
	Strips leading whitespace and trailing Carriage Return (CR) and Line Feed (LF) from NULL terminated string.
static void	test ()
	Some test routines.
static int	toInt (const char *value, int def=0)
	Converts the given string into an int or returns the given default valud (def) if value is NULL or empty.
static double	toReal (const char *value, double def=0.0)
	Converts the given string into a double or returns the given default valud (def) if value is NULL or empty.
static const char *	toString (const char value, const char def="")
	Converts the given string into a string or returns the given default valud (def) if value is NULL or empty.

Private Attributes
DL_Attributes	attrib
double	bulge
int	controlPointIndex
double *	controlPoints
int	currentEntity
bool	dropEdges
bool	firstCall
unsigned int	groupCode
char	groupCodeTmp [DL_DXF_MAXLINE+1]
char	groupValue [DL_DXF_MAXLINE+1]
int *	hatchEdgeIndex
DL_HatchEdgeData **	hatchEdges
int	hatchLoopIndex
DL_HatchLoopData *	hatchLoops
int	knotIndex
double *	knots
int	leaderVertexIndex
double *	leaderVertices
int	libVersion
int	maxControlPoints
int *	maxHatchEdges
int	maxHatchLoops
int	maxKnots
int	maxLeaderVertices
int	maxVertices
string	polylineLayer
char	settingKey [DL_DXF_MAXLINE+1]
char	settingValue [DL_DXF_MAXLINE+1]
unsigned long	styleHandleStd
char	values [DL_DXF_MAXGROUPCODE][DL_DXF_MAXLINE+1]
DL_Codes::version	version
int	vertexIndex
double *	vertices
int	weightIndex
double *	weights

Detailed Description

Reading and writing of DXF files.

This class can read in a DXF file and calls methods from the interface DL_EntityContainer to add the entities to the contianer provided by the user of the library.

It can also be used to write DXF files to a certain extent.

When saving entities, special values for colors and linetypes can be used:

Special colors are 0 (=BYBLOCK) and 256 (=BYLAYER). Special linetypes are "BYLAYER" and "BYBLOCK".

Author:: Andrew Mustun

Constructor & Destructor Documentation

DL_Dxf::DL_Dxf ( )

Default constructor.

DL_Dxf::~DL_Dxf ( )

Destructor.

Member Function Documentation

void DL_Dxf::add3dFace ( DL_CreationInterface * creationInterface )

Adds a 3dface entity that was read from the file via the creation interface.

void DL_Dxf::addArc ( DL_CreationInterface * creationInterface )

Adds an arc entity that was read from the file via the creation interface.

void DL_Dxf::addAttrib ( DL_CreationInterface * creationInterface )

Adds an attrib entity that was read from the file via the creation interface.

Todo:: add attrib instead of normal text

void DL_Dxf::addBlock ( DL_CreationInterface * creationInterface )

Adds a block that was read from the file via the creation interface.

void DL_Dxf::addCircle ( DL_CreationInterface * creationInterface )

Adds a circle entity that was read from the file via the creation interface.

void DL_Dxf::addComment	(	DL_CreationInterface *	creationInterface,
		const char *	comment
	)

Adds a comment from the DXF file.

void DL_Dxf::addDimAligned ( DL_CreationInterface * creationInterface )

Adds an aligned dimension entity that was read from the file via the creation interface.

void DL_Dxf::addDimAngular ( DL_CreationInterface * creationInterface )

Adds an angular dimension entity that was read from the file via the creation interface.

void DL_Dxf::addDimAngular3P ( DL_CreationInterface * creationInterface )

Adds an angular dimension entity that was read from the file via the creation interface.

void DL_Dxf::addDimDiametric ( DL_CreationInterface * creationInterface )

Adds a diametric dimension entity that was read from the file via the creation interface.

void DL_Dxf::addDimLinear ( DL_CreationInterface * creationInterface )

Adds a linear dimension entity that was read from the file via the creation interface.

void DL_Dxf::addDimOrdinate ( DL_CreationInterface * creationInterface )

Adds an ordinate dimension entity that was read from the file via the creation interface.

void DL_Dxf::addDimRadial ( DL_CreationInterface * creationInterface )

Adds a radial dimension entity that was read from the file via the creation interface.

void DL_Dxf::addEllipse ( DL_CreationInterface * creationInterface )

Adds an ellipse entity that was read from the file via the creation interface.

void DL_Dxf::addHatch ( DL_CreationInterface * creationInterface )

Adds a hatch entity that was read from the file via the creation interface.

void DL_Dxf::addImage ( DL_CreationInterface * creationInterface )

Adds an image entity that was read from the file via the creation interface.

void DL_Dxf::addImageDef ( DL_CreationInterface * creationInterface )

Adds an image definition that was read from the file via the creation interface.

void DL_Dxf::addInsert ( DL_CreationInterface * creationInterface )

Adds an insert entity that was read from the file via the creation interface.

void DL_Dxf::addLayer ( DL_CreationInterface * creationInterface )

Adds a layer that was read from the file via the creation interface.

void DL_Dxf::addLeader ( DL_CreationInterface * creationInterface )

Adds a leader entity that was read from the file via the creation interface.

void DL_Dxf::addLine ( DL_CreationInterface * creationInterface )

Adds a line entity that was read from the file via the creation interface.

void DL_Dxf::addMText ( DL_CreationInterface * creationInterface )

Adds an MText entity that was read from the file via the creation interface.

void DL_Dxf::addPoint ( DL_CreationInterface * creationInterface )

Adds a point entity that was read from the file via the creation interface.

void DL_Dxf::addPolyline ( DL_CreationInterface * creationInterface )

Adds a polyline entity that was read from the file via the creation interface.

void DL_Dxf::addSetting ( DL_CreationInterface * creationInterface )

Adds a variable from the DXF file.

void DL_Dxf::addSolid ( DL_CreationInterface * creationInterface )

Adds a solid entity (filled trace) that was read from the file via the creation interface.

Author:: AHM

void DL_Dxf::addSpline ( DL_CreationInterface * creationInterface )

Adds a spline entity that was read from the file via the creation interface.

void DL_Dxf::addText ( DL_CreationInterface * creationInterface )

Adds an text entity that was read from the file via the creation interface.

void DL_Dxf::addTrace ( DL_CreationInterface * creationInterface )

Adds a trace entity (4 edge closed polyline) that was read from the file via the creation interface.

Author:: AHM

void DL_Dxf::addVertex ( DL_CreationInterface * creationInterface )

Adds a polyline vertex entity that was read from the file via the creation interface.

bool DL_Dxf::checkVariable	(	const char *	var,
		DL_Codes::version	version
	)

static

Checks if the given variable is known by the given DXF version.

void DL_Dxf::endBlock ( DL_CreationInterface * creationInterface )

Ends a block that was read from the file via the creation interface.

void DL_Dxf::endEntity ( DL_CreationInterface * creationInterface )

Ends some special entities like hatches or old style polylines.

void DL_Dxf::endSequence ( DL_CreationInterface * creationInterface )

Ends a sequence and notifies the creation interface.

bool DL_Dxf::getChoppedLine	(	char *	s,
		unsigned int	size,
		FILE *	fp
	)

static

Reads line from file & strips whitespace at start and newline at end.

Parameters:

s	Output Pointer to character array that chopped line will be returned in.
size	Size of `s`. (Including space for NULL.)
fp	Input Handle of input file.

Return values:

true	if line could be read
false	if `fp` is already at end of file

Todo:

Change function to use safer FreeBSD strl* functions

Is it a problem if line is blank (i.e., newline only)? Then, when function returns, (s==NULL).

bool DL_Dxf::getChoppedLine	(	char *	s,
		unsigned int	size,
		std::stringstream &	stream
	)

static

Same as above but for stringstreams.

DL_DimensionData DL_Dxf::getDimData ( )

Returns:: dimension data from current values.

int DL_Dxf::getLibVersion ( const char * str )

Returns:: the library version as int (4 bytes, each byte one version number). e.g. if str = "2.0.2.0" getLibVersion returns 0x02000200

DL_Codes::version DL_Dxf::getVersion ( )

inline

bool DL_Dxf::handleHatchData ( DL_CreationInterface * creationInterface )

Handles additional hatch data.

bool DL_Dxf::handleLeaderData ( DL_CreationInterface * creationInterface )

Handles additional leader data.

bool DL_Dxf::handleLWPolylineData ( DL_CreationInterface * creationInterface )

Handles additional polyline data.

bool DL_Dxf::handleMTextData ( DL_CreationInterface * creationInterface )

Handles additional MText data.

bool DL_Dxf::handleSplineData ( DL_CreationInterface * creationInterface )

Handles additional spline data.

bool DL_Dxf::in	(	const string &	file,
		DL_CreationInterface *	creationInterface
	)

Reads the given file and calls the appropriate functions in the given creation interface for every entity found in the file.

Parameters:

file	Input Path and name of file to read
creationInterface	Pointer to the class which takes care of the entities in the file.

Return values:

true	If `file` could be opened.
false	If `file` could not be opened.

bool DL_Dxf::in	(	std::stringstream &	stream,
		DL_CreationInterface *	creationInterface
	)

Reads a DXF file from an existing stream.

Parameters:

stream	The string stream.
creationInterface	Pointer to the class which takes care of the entities in the file.

Return values:

true	If `file` could be opened.
false	If `file` could not be opened.

DL_WriterA * DL_Dxf::out	(	const char *	file,
		DL_Codes::version	version = `DL_VERSION_2000`
	)

Opens the given file for writing and returns a pointer to the dxf writer.

This pointer needs to be passed on to other writing functions.

Parameters:

file	Full path of the file to open.

Returns:: Pointer to an ascii dxf writer object.

bool DL_Dxf::processDXFGroup	(	DL_CreationInterface *	creationInterface,
		int	groupCode,
		const char *	groupValue
	)

Processes a group (pair of group code and value).

Parameters:

creationInterface	Handle to class that creates entities and other CAD data from DXF group codes
groupCode	Constant indicating the data type of the group.
groupValue	The data value.

Return values:

true	if done processing current entity and new entity begun
false	if not done processing current entity

bool DL_Dxf::readDxfGroups	(	FILE *	fp,
		DL_CreationInterface *	creationInterface,
		int *	errorCounter = `NULL`
	)

Reads a group couplet from a DXF file.

Calls another function to process it.

A group couplet consists of two lines that represent a single piece of data. An integer constant on the first line indicates the type of data. The value is on the next line.

This function reads a couplet, determines the type of data, and passes the value to the the appropriate handler function of creationInterface.

fp is advanced so that the next call to readDXFGroups() reads the next couplet in the file.

Parameters:

fp	Handle of input file
creationInterface	Handle of class which processes entities in the file

Return values:

true	If EOF not reached.
false	If EOF reached.

bool DL_Dxf::readDxfGroups	(	std::stringstream &	stream,
		DL_CreationInterface *	creationInterface,
		int *	errorCounter = `NULL`
	)

Same as above but for stringstreams.

int DL_Dxf::stringToInt	(	const char *	s,
		bool *	ok = `NULL`
	)

Converts the given string into an int.

ok is set to false if there was an error.

bool DL_Dxf::stripWhiteSpace ( char ** s )

static

Strips leading whitespace and trailing Carriage Return (CR) and Line Feed (LF) from NULL terminated string.

Parameters:

s	Input and output. NULL terminates string.

Return values:

true	if `s` is non-NULL
false	if `s` is NULL

void DL_Dxf::test ( )

static

Some test routines.

static int DL_Dxf::toInt	(	const char *	value,
		int	def = `0`
	)

inlinestatic

Converts the given string into an int or returns the given default valud (def) if value is NULL or empty.

static double DL_Dxf::toReal	(	const char *	value,
		double	def = `0.0`
	)

inlinestatic

Converts the given string into a double or returns the given default valud (def) if value is NULL or empty.

static const char* DL_Dxf::toString	(	const char *	value,
		const char *	def = `""`
	)

inlinestatic

Converts the given string into a string or returns the given default valud (def) if value is NULL or empty.

void DL_Dxf::write3dFace	(	DL_WriterA &	dw,
		const DL_3dFaceData &	data,
		const DL_Attributes &	attrib
	)

Writes a 3d face entity to the file.

Parameters:

dw	DXF writer
data	Entity data from the file
attrib	Attributes

void DL_Dxf::writeAppid	(	DL_WriterA &	dw,
		const string &	name
	)

Writes the APPID section to the DXF file.

Parameters:

name	Application name

void DL_Dxf::writeArc	(	DL_WriterA &	dw,
		const DL_ArcData &	data,
		const DL_Attributes &	attrib
	)

Writes an arc entity to the file.

Parameters:

dw	DXF writer
data	Entity data from the file
attrib	Attributes

void DL_Dxf::writeBlock	(	DL_WriterA &	dw,
		const DL_BlockData &	data
	)

Writes a block's definition (no entities) to the DXF file.

strcasecmp(name, "*paper_space0");

void DL_Dxf::writeBlockRecord ( DL_WriterA & dw )

Writes a blockrecord section.

This section is needed in DL_VERSION_R13. Note that this method currently only writes a faked BLOCKRECORD section to make the file readable by Aut*cad.

void DL_Dxf::writeBlockRecord	(	DL_WriterA &	dw,
		const string &	name
	)

Writes a single block record with the given name.

void DL_Dxf::writeCircle	(	DL_WriterA &	dw,
		const DL_CircleData &	data,
		const DL_Attributes &	attrib
	)

Writes a circle entity to the file.

Parameters:

dw	DXF writer
data	Entity data from the file
attrib	Attributes

void DL_Dxf::writeComment	(	DL_WriterA &	dw,
		const string &	comment
	)

Writes a comment to the DXF file.

void DL_Dxf::writeControlPoint	(	DL_WriterA &	dw,
		const DL_ControlPointData &	data
	)

Writes a single control point of a spline to the file.

Parameters:

dw	DXF writer
data	Entity data from the file
attrib	Attributes

void DL_Dxf::writeDimAligned	(	DL_WriterA &	dw,
		const DL_DimensionData &	data,
		const DL_DimAlignedData &	edata,
		const DL_Attributes &	attrib
	)

Writes an aligned dimension entity to the file.

Parameters:

dw	DXF writer
data	Generic dimension data for from the file
data	Specific aligned dimension data from the file
attrib	Attributes

void DL_Dxf::writeDimAngular	(	DL_WriterA &	dw,
		const DL_DimensionData &	data,
		const DL_DimAngularData &	edata,
		const DL_Attributes &	attrib
	)

Writes an angular dimension entity to the file.

Parameters:

dw	DXF writer
data	Generic dimension data for from the file
data	Specific angular dimension data from the file
attrib	Attributes

void DL_Dxf::writeDimAngular3P	(	DL_WriterA &	dw,
		const DL_DimensionData &	data,
		const DL_DimAngular3PData &	edata,
		const DL_Attributes &	attrib
	)

Writes an angular dimension entity (3 points version) to the file.

Parameters:

dw	DXF writer
data	Generic dimension data for from the file
data	Specific angular dimension data from the file
attrib	Attributes

void DL_Dxf::writeDimDiametric	(	DL_WriterA &	dw,
		const DL_DimensionData &	data,
		const DL_DimDiametricData &	edata,
		const DL_Attributes &	attrib
	)

Writes a diametric dimension entity to the file.

Parameters:

dw	DXF writer
data	Generic dimension data for from the file
data	Specific diametric dimension data from the file
attrib	Attributes

void DL_Dxf::writeDimLinear	(	DL_WriterA &	dw,
		const DL_DimensionData &	data,
		const DL_DimLinearData &	edata,
		const DL_Attributes &	attrib
	)

Writes a linear dimension entity to the file.

Parameters:

dw	DXF writer
data	Generic dimension data for from the file
data	Specific linear dimension data from the file
attrib	Attributes

void DL_Dxf::writeDimOrdinate	(	DL_WriterA &	dw,
		const DL_DimensionData &	data,
		const DL_DimOrdinateData &	edata,
		const DL_Attributes &	attrib
	)

Writes an ordinate dimension entity to the file.

Parameters:

dw	DXF writer
data	Generic dimension data for from the file
data	Specific ordinate dimension data from the file
attrib	Attributes

void DL_Dxf::writeDimRadial	(	DL_WriterA &	dw,
		const DL_DimensionData &	data,
		const DL_DimRadialData &	edata,
		const DL_Attributes &	attrib
	)

Writes a radial dimension entity to the file.

Parameters:

dw	DXF writer
data	Generic dimension data for from the file
data	Specific radial dimension data from the file
attrib	Attributes

void DL_Dxf::writeDimStyle	(	DL_WriterA &	dw,
		double	dimasz,
		double	dimexe,
		double	dimexo,
		double	dimgap,
		double	dimtxt
	)

Writes a dimstyle section.

This section is needed in DL_VERSION_R13. Note that this method currently only writes a faked DIMSTYLE section to make the file readable by Aut*cad.

void DL_Dxf::writeEllipse	(	DL_WriterA &	dw,
		const DL_EllipseData &	data,
		const DL_Attributes &	attrib
	)

Writes an ellipse entity to the file.

Parameters:

dw	DXF writer
data	Entity data from the file
attrib	Attributes

void DL_Dxf::writeEndBlock	(	DL_WriterA &	dw,
		const string &	name
	)

Writes a block end.

Parameters:

name	Block name

void DL_Dxf::writeHatch1	(	DL_WriterA &	dw,
		const DL_HatchData &	data,
		const DL_Attributes &	attrib
	)

Writes the beginning of a hatch entity to the file.

This must be followed by one or more writeHatchLoop() calls and a writeHatch2() call.

Parameters:

dw	DXF writer
data	Entity data.
attrib	Attributes

void DL_Dxf::writeHatch2	(	DL_WriterA &	dw,
		const DL_HatchData &	data,
		const DL_Attributes &	attrib
	)

Writes the end of a hatch entity to the file.

Parameters:

dw	DXF writer
data	Entity data.
attrib	Attributes

void DL_Dxf::writeHatchEdge	(	DL_WriterA &	dw,
		const DL_HatchEdgeData &	data
	)

Writes the beginning of a hatch entity to the file.

Parameters:

dw	DXF writer
data	Entity data.
attrib	Attributes

void DL_Dxf::writeHatchLoop1	(	DL_WriterA &	dw,
		const DL_HatchLoopData &	data
	)

Writes the beginning of a hatch loop to the file.

This must happen after writing the beginning of a hatch entity.

Parameters:

dw	DXF writer
data	Entity data.
attrib	Attributes

void DL_Dxf::writeHatchLoop2	(	DL_WriterA &	dw,
		const DL_HatchLoopData &	data
	)

Writes the end of a hatch loop to the file.

Parameters:

dw	DXF writer
data	Entity data.
attrib	Attributes

void DL_Dxf::writeHeader ( DL_WriterA & dw )

Writes a DXF header to the file currently opened by the given DXF writer object.

int DL_Dxf::writeImage	(	DL_WriterA &	dw,
		const DL_ImageData &	data,
		const DL_Attributes &	attrib
	)

Writes an image entity.

Returns:: IMAGEDEF handle. Needed for the IMAGEDEF counterpart.

void DL_Dxf::writeImageDef	(	DL_WriterA &	dw,
		int	handle,
		const DL_ImageData &	data
	)

Writes an image definiition entity.

void DL_Dxf::writeInsert	(	DL_WriterA &	dw,
		const DL_InsertData &	data,
		const DL_Attributes &	attrib
	)

Writes an insert to the file.

Parameters:

dw	DXF writer
data	Entity data from the file
attrib	Attributes

void DL_Dxf::writeKnot	(	DL_WriterA &	dw,
		const DL_KnotData &	data
	)

Writes a single knot of a spline to the file.

Parameters:

dw	DXF writer
data	Entity data from the file
attrib	Attributes

void DL_Dxf::writeLayer	(	DL_WriterA &	dw,
		const DL_LayerData &	data,
		const DL_Attributes &	attrib
	)

Writes a layer to the file.

Layers are stored in the tables section of a DXF file.

Parameters:

dw	DXF writer
data	Entity data from the file
attrib	Attributes

void DL_Dxf::writeLeader	(	DL_WriterA &	dw,
		const DL_LeaderData &	data,
		const DL_Attributes &	attrib
	)

Writes a leader entity to the file.

Parameters:

dw	DXF writer
data	Entity data from the file
attrib	Attributes

See also:: writeVertex

void DL_Dxf::writeLeaderVertex	(	DL_WriterA &	dw,
		const DL_LeaderVertexData &	data
	)

Writes a single vertex of a leader to the file.

Parameters:

dw	DXF writer
data	Entity data

void DL_Dxf::writeLine	(	DL_WriterA &	dw,
		const DL_LineData &	data,
		const DL_Attributes &	attrib
	)

Writes a line entity to the file.

Parameters:

dw	DXF writer
data	Entity data from the file
attrib	Attributes

void DL_Dxf::writeLineType	(	DL_WriterA &	dw,
		const DL_LineTypeData &	data
	)

Writes a line type to the file.

Line types are stored in the tables section of a DXF file.

void DL_Dxf::writeMText	(	DL_WriterA &	dw,
		const DL_MTextData &	data,
		const DL_Attributes &	attrib
	)

Writes a multi text entity to the file.

Parameters:

dw	DXF writer
data	Entity data from the file
attrib	Attributes

void DL_Dxf::writeObjects ( DL_WriterA & dw )

Writes a objects section.

This section is needed in DL_VERSION_R13. Note that this method currently only writes a faked OBJECTS section to make the file readable by Aut*cad.

void DL_Dxf::writeObjectsEnd ( DL_WriterA & dw )

Writes the end of the objects section.

This section is needed in DL_VERSION_R13. Note that this method currently only writes a faked OBJECTS section to make the file readable by Aut*cad.

void DL_Dxf::writePoint	(	DL_WriterA &	dw,
		const DL_PointData &	data,
		const DL_Attributes &	attrib
	)

Writes a point entity to the file.

Parameters:

dw	DXF writer
data	Entity data from the file
attrib	Attributes

void DL_Dxf::writePolyline	(	DL_WriterA &	dw,
		const DL_PolylineData &	data,
		const DL_Attributes &	attrib
	)

Writes a polyline entity to the file.

Parameters:

dw	DXF writer
data	Entity data from the file
attrib	Attributes

See also:: writeVertex

void DL_Dxf::writePolylineEnd ( DL_WriterA & dw )

Writes the polyline end.

Only needed for DXF R12.

void DL_Dxf::writeSolid	(	DL_WriterA &	dw,
		const DL_SolidData &	data,
		const DL_Attributes &	attrib
	)

Writes a solid entity to the file.

Parameters:

dw	DXF writer
data	Entity data from the file
attrib	Attributes

void DL_Dxf::writeSpline	(	DL_WriterA &	dw,
		const DL_SplineData &	data,
		const DL_Attributes &	attrib
	)

Writes a spline entity to the file.

Parameters:

dw	DXF writer
data	Entity data from the file
attrib	Attributes

See also:: writeControlPoint

void DL_Dxf::writeStyle ( DL_WriterA & dw )

Writes a style section.

This section is needed in DL_VERSION_R13. Note that this method currently only writes a faked STYLE section to make the file readable by Aut*cad.

void DL_Dxf::writeText	(	DL_WriterA &	dw,
		const DL_TextData &	data,
		const DL_Attributes &	attrib
	)

Writes a text entity to the file.

Parameters:

dw	DXF writer
data	Entity data from the file
attrib	Attributes

void DL_Dxf::writeUcs ( DL_WriterA & dw )

Writes a ucs section.

This section is needed in DL_VERSION_R13. Note that this method currently only writes a faked UCS section to make the file readable by Aut*cad.

void DL_Dxf::writeVertex	(	DL_WriterA &	dw,
		const DL_VertexData &	data
	)

Writes a single vertex of a polyline to the file.

Parameters:

dw	DXF writer
data	Entity data from the file
attrib	Attributes

void DL_Dxf::writeView ( DL_WriterA & dw )

Writes a view section.

This section is needed in DL_VERSION_R13. Note that this method currently only writes a faked VIEW section to make the file readable by Aut*cad.

void DL_Dxf::writeVPort ( DL_WriterA & dw )

Writes a viewport section.

This section is needed in DL_VERSION_R13. Note that this method currently only writes a faked VPORT section to make the file readable by Aut*cad.

Member Data Documentation

DL_Attributes DL_Dxf::attrib

private

double DL_Dxf::bulge

private

int DL_Dxf::controlPointIndex

private

double* DL_Dxf::controlPoints

private

int DL_Dxf::currentEntity

private

bool DL_Dxf::dropEdges

private

bool DL_Dxf::firstCall

private

unsigned int DL_Dxf::groupCode

private

char DL_Dxf::groupCodeTmp[DL_DXF_MAXLINE+1]

private

char DL_Dxf::groupValue[DL_DXF_MAXLINE+1]

private

int* DL_Dxf::hatchEdgeIndex

private

DL_HatchEdgeData** DL_Dxf::hatchEdges

private

int DL_Dxf::hatchLoopIndex

private

DL_HatchLoopData* DL_Dxf::hatchLoops

private

int DL_Dxf::knotIndex

private

double* DL_Dxf::knots

private

int DL_Dxf::leaderVertexIndex

private

double* DL_Dxf::leaderVertices

private

int DL_Dxf::libVersion

private

int DL_Dxf::maxControlPoints

private

int* DL_Dxf::maxHatchEdges

private

int DL_Dxf::maxHatchLoops

private

int DL_Dxf::maxKnots

private

int DL_Dxf::maxLeaderVertices

private

int DL_Dxf::maxVertices

private

string DL_Dxf::polylineLayer

private

char DL_Dxf::settingKey[DL_DXF_MAXLINE+1]

private

char DL_Dxf::settingValue[DL_DXF_MAXLINE+1]

private

unsigned long DL_Dxf::styleHandleStd

private

char DL_Dxf::values[DL_DXF_MAXGROUPCODE][DL_DXF_MAXLINE+1]

private

DL_Codes::version DL_Dxf::version

private

int DL_Dxf::vertexIndex

private

double* DL_Dxf::vertices

private

int DL_Dxf::weightIndex

private

double* DL_Dxf::weights

private

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

src/io/dxf/dxflib/src/dl_dxf.h
src/io/dxf/dxflib/src/dl_dxf.cpp

Public Member Functions

Static Public Member Functions

Private Attributes

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation

Member Data Documentation