spline.h File Reference

Header file for a DXF spline entity (SPLINE). More...

#include "global.h"
#include "binary_graphics_data.h"
#include "point.h"
#include "util.h"

Include dependency graph for spline.h:

This graph shows which files directly or indirectly include this file:

Go to the source code of this file.

Data Structures
struct	dxf_spline_struct
	Definition of an AutoCAD spline entity (SPLINE). More...
Defines
#define	DXF_SPLINE_KNOT_TOLERANCE_DEFAULT   0.0000001
#define	DXF_SPLINE_CONTROL_POINT_TOLERANCE_DEFAULT   0.0000001
#define	DXF_SPLINE_FIT_TOLERANCE_DEFAULT   0.0000000001
Typedefs
typedef struct dxf_spline_struct	DxfSpline
	Definition of an AutoCAD spline entity (SPLINE).
Functions
DxfSpline *	dxf_spline_new ()
	Allocate memory for a DXF SPLINE.
DxfSpline *	dxf_spline_init (DxfSpline *spline)
	Allocate memory and initialize data fields in a DXF SPLINE entity.
DxfSpline *	dxf_spline_read (DxfFile *fp, DxfSpline *spline)
	Read data from a DXF file into a DXF SPLINE entity.
int	dxf_spline_write (DxfFile *fp, DxfSpline *spline)
	Write DXF output for a DXF SPLINE entity.
int	dxf_spline_free (DxfSpline *spline)
	Free the allocated memory for a DXF SPLINE and all it's data fields.
void	dxf_spline_free_chain (DxfSpline *splines)
	Free the allocated memory for a chain of DXF SPLINE entities and all their data fields.
int	dxf_spline_get_id_code (DxfSpline *spline)
	Get the id_code from a DXF SPLINE.
DxfSpline *	dxf_spline_set_id_code (DxfSpline *spline, int id_code)
	Set the ID code for a DXF SPLINE entity.
char *	dxf_spline_get_linetype (DxfSpline *spline)
	Get the linetype from a DXF SPLINE entity.
DxfSpline *	dxf_spline_set_linetype (DxfSpline *spline, char *linetype)
	Set the linetype for a DXF SPLINE entity.
char *	dxf_spline_get_layer (DxfSpline *spline)
	Get the layer from a DXF SPLINE entity.
DxfSpline *	dxf_spline_set_layer (DxfSpline *spline, char *layer)
	Set the layer for a DXF SPLINE entity.
double	dxf_spline_get_elevation (DxfSpline *spline)
	Get the elevation from a DXF SPLINE entity.
DxfSpline *	dxf_spline_set_elevation (DxfSpline *spline, double elevation)
	Set the elevation for a DXF SPLINE entity.
double	dxf_spline_get_thickness (DxfSpline *spline)
	Get the thickness from a DXF SPLINE entity.
DxfSpline *	dxf_spline_set_thickness (DxfSpline *spline, double thickness)
	Set the thickness for a DXF SPLINE entity.
double	dxf_spline_get_linetype_scale (DxfSpline *spline)
	Get the linetype_scale from a DXF SPLINE entity.
DxfSpline *	dxf_spline_set_linetype_scale (DxfSpline *spline, double linetype_scale)
	Set the linetype_scale for a DXF SPLINE entity.
int16_t	dxf_spline_get_visibility (DxfSpline *spline)
	Get the visibility from a DXF SPLINE entity.
DxfSpline *	dxf_spline_set_visibility (DxfSpline *spline, int16_t visibility)
	Set the visibility for a DXF SPLINE entity.
int	dxf_spline_get_color (DxfSpline *spline)
	Get the color from a DXF SPLINE entity.
DxfSpline *	dxf_spline_set_color (DxfSpline *spline, int color)
	Set the color for a DXF SPLINE entity.
int	dxf_spline_get_paperspace (DxfSpline *spline)
	Get the paperspace flag value from a DXF SPLINE entity.
DxfSpline *	dxf_spline_set_paperspace (DxfSpline *spline, int paperspace)
	Set the paperspace flag for a DXF SPLINE entity.
int	dxf_spline_get_graphics_data_size (DxfSpline *spline)
	Get the graphics_data_size value from a DXF SPLINE entity.
DxfSpline *	dxf_spline_set_graphics_data_size (DxfSpline *spline, int graphics_data_size)
	Set the graphics_data_size value for a DXF SPLINE entity.
int16_t	dxf_spline_get_shadow_mode (DxfSpline *spline)
	Get the shadow_mode from a DXF SPLINE entity.
DxfSpline *	dxf_spline_set_shadow_mode (DxfSpline *spline, int16_t shadow_mode)
	Set the shadow_mode for a DXF SPLINE entity.
DxfBinaryGraphicsData *	dxf_spline_get_binary_graphics_data (DxfSpline *spline)
	Get the pointer to the binary_graphics_data from a DXF SPLINE entity.
DxfSpline *	dxf_spline_set_binary_graphics_data (DxfSpline *spline, DxfBinaryGraphicsData *data)
	Set the pointer to the binary_graphics_data for a DXF SPLINE entity.
char *	dxf_spline_get_dictionary_owner_soft (DxfSpline *spline)
	Get the pointer to the dictionary_owner_soft from a DXF SPLINE entity.
DxfSpline *	dxf_spline_set_dictionary_owner_soft (DxfSpline *spline, char *dictionary_owner_soft)
	Set the pointer to the dictionary_owner_soft for a DXF SPLINE entity.
char *	dxf_spline_get_material (DxfSpline *spline)
	Get the pointer to the material from a DXF SPLINE entity.
DxfSpline *	dxf_spline_set_material (DxfSpline *spline, char *material)
	Set the pointer to the material for a DXF SPLINE entity.
char *	dxf_spline_get_dictionary_owner_hard (DxfSpline *spline)
	Get the pointer to the dictionary_owner_hard from a DXF SPLINE entity.
DxfSpline *	dxf_spline_set_dictionary_owner_hard (DxfSpline *spline, char *dictionary_owner_hard)
	Set the pointer to the dictionary_owner_hard for a DXF SPLINE entity.
int16_t	dxf_spline_get_lineweight (DxfSpline *spline)
	Get the lineweight from a DXF SPLINE entity.
DxfSpline *	dxf_spline_set_lineweight (DxfSpline *spline, int16_t lineweight)
	Set the lineweight for a DXF SPLINE entity.
char *	dxf_spline_get_plot_style_name (DxfSpline *spline)
	Get the plot_style_name from a DXF SPLINE entity.
DxfSpline *	dxf_spline_set_plot_style_name (DxfSpline *spline, char *plot_style_name)
	Set the plot_style_name for a DXF SPLINE entity.
long	dxf_spline_get_color_value (DxfSpline *spline)
	Get the color_value from a DXF SPLINE entity.
DxfSpline *	dxf_spline_set_color_value (DxfSpline *spline, long color_value)
	Set the color_value for a DXF SPLINE entity.
char *	dxf_spline_get_color_name (DxfSpline *spline)
	Get the color_name from a DXF SPLINE entity.
DxfSpline *	dxf_spline_set_color_name (DxfSpline *spline, char *color_name)
	Set the color_name for a DXF SPLINE entity.
long	dxf_spline_get_transparency (DxfSpline *spline)
	Get the transparency from a DXF SPLINE entity.
DxfSpline *	dxf_spline_set_transparency (DxfSpline *spline, long transparency)
	Set the transparency for a DXF SPLINE entity.
DxfPoint *	dxf_spline_get_p0 (DxfSpline *spline)
	Get the first control point p0 from a DXF SPLINE entity.
DxfSpline *	dxf_spline_set_p0 (DxfSpline *spline, DxfPoint *p0)
	Set the first control point p0 for a DXF SPLINE entity.
double	dxf_spline_get_x0 (DxfSpline *spline)
	Get the X-value x0 of the first control point p0 of a DXF SPLINE entity.
DxfSpline *	dxf_spline_set_x0 (DxfSpline *spline, double x0)
	Set the X-value x0 of the first control point p0 of a DXF SPLINE entity.
double	dxf_spline_get_y0 (DxfSpline *spline)
	Get the Y-value y0 of the first control point p0 of a DXF SPLINE entity.
DxfSpline *	dxf_spline_set_y0 (DxfSpline *spline, double y0)
	Set the Y-value y0 of the first control point p0 of a DXF SPLINE entity.
double	dxf_spline_get_z0 (DxfSpline *spline)
	Get the Z-value z0 of the first control point p0 of a DXF SPLINE entity.
DxfSpline *	dxf_spline_set_z0 (DxfSpline *spline, double z0)
	Set the Z-value z0 of the first control point p0 of a DXF SPLINE entity.
DxfPoint *	dxf_spline_get_p1 (DxfSpline *spline)
	Get the first fit point p1 from a DXF SPLINE entity.
DxfSpline *	dxf_spline_set_p1 (DxfSpline *spline, DxfPoint *p1)
	Set the first fit point p1 for a DXF SPLINE entity.
double	dxf_spline_get_x1 (DxfSpline *spline)
	Get the X-value x1 of the (first) fit point p1 of a DXF SPLINE entity.
DxfSpline *	dxf_spline_set_x1 (DxfSpline *spline, double x1)
	Set the X-value x1 of the (first) fit point p1 of a DXF SPLINE entity.
double	dxf_spline_get_y1 (DxfSpline *spline)
	Get the Y-value y1 of the (first) fit point p1 of a DXF SPLINE entity.
DxfSpline *	dxf_spline_set_y1 (DxfSpline *spline, double y1)
	Set the Y-value y1 of the (first) fit point p1 of a DXF SPLINE entity.
double	dxf_spline_get_z1 (DxfSpline *spline)
	Get the Z-value zy1 of the (first) fit point p1 of a DXF SPLINE entity.
DxfSpline *	dxf_spline_set_z1 (DxfSpline *spline, double z1)
	Set the Z-value z1 of the (first) fit point p1 of a DXF SPLINE entity.
DxfPoint *	dxf_spline_get_p2 (DxfSpline *spline)
	Get the start tangent point p2 from a DXF SPLINE entity.
DxfSpline *	dxf_spline_set_p2 (DxfSpline *spline, DxfPoint *p2)
	Set the start tangent point p2 for a DXF SPLINE entity.
double	dxf_spline_get_x2 (DxfSpline *spline)
	Get the X-value x2 of the start tangent point p2 of a DXF SPLINE entity.
DxfSpline *	dxf_spline_set_x2 (DxfSpline *spline, double x2)
	Set the X-value x2 of the start tangent point p2 of a DXF SPLINE entity.
double	dxf_spline_get_y2 (DxfSpline *spline)
	Get the Y-value y2 of the start tangent point p2 of a DXF SPLINE entity.
DxfSpline *	dxf_spline_set_y2 (DxfSpline *spline, double y2)
	Set the Y-value y2 of the start tangent point p2 of a DXF SPLINE entity.
double	dxf_spline_get_z2 (DxfSpline *spline)
	Get the Z-value z2 of the start tangent point p2 of a DXF SPLINE entity.
DxfSpline *	dxf_spline_set_z2 (DxfSpline *spline, double z2)
	Set the Z-value z2 of the start tangent point p2 of a DXF SPLINE entity.
DxfPoint *	dxf_spline_get_p3 (DxfSpline *spline)
	Get the end tangent point p3 from a DXF SPLINE entity.
DxfSpline *	dxf_spline_set_p3 (DxfSpline *spline, DxfPoint *p3)
	Set the end tangent point p3 for a DXF SPLINE entity.
double	dxf_spline_get_x3 (DxfSpline *spline)
	Get the X-value x3 of the end tangent point p3 of a DXF SPLINE entity.
DxfSpline *	dxf_spline_set_x3 (DxfSpline *spline, double x3)
	Set the X-value x3 of the end tangent point p3 of a DXF SPLINE entity.
double	dxf_spline_get_y3 (DxfSpline *spline)
	Get the Y-value y3 of the end tangent point p3 of a DXF SPLINE entity.
DxfSpline *	dxf_spline_set_y3 (DxfSpline *spline, double y3)
	Set the Y-value y3 of the end tangent point p3 of a DXF SPLINE entity.
double	dxf_spline_get_z3 (DxfSpline *spline)
	Get the Z-value z3 of the end tangent point p3 of a DXF SPLINE entity.
DxfSpline *	dxf_spline_set_z3 (DxfSpline *spline, double z3)
	Set the Z-value z3 of the end tangent point p3 of a DXF SPLINE entity.
double	dxf_spline_get_knot_tolerance (DxfSpline *spline)
	Get the knot_tolerance of a DXF SPLINE entity.
DxfSpline *	dxf_spline_set_knot_tolerance (DxfSpline *spline, double knot_tolerance)
	Set the knot_tolerance of a DXF SPLINE entity.
double	dxf_spline_get_control_point_tolerance (DxfSpline *spline)
	Get the control_point_tolerance of a DXF SPLINE entity.
DxfSpline *	dxf_spline_set_control_point_tolerance (DxfSpline *spline, double control_point_tolerance)
	Set the control_point_tolerance of a DXF SPLINE entity.
double	dxf_spline_get_fit_tolerance (DxfSpline *spline)
	Get the fit_tolerance of a DXF SPLINE entity.
DxfSpline *	dxf_spline_set_fit_tolerance (DxfSpline *spline, double fit_tolerance)
	Set the fit_tolerance of a DXF SPLINE entity.
int	dxf_spline_get_flag (DxfSpline *spline)
	Get the flag from a DXF SPLINE.

---

Detailed Description

Header file for a DXF spline entity (SPLINE).

Author:

Copyright (C) 2013, 2014, 2015, 2016, 2017 by Bert Timmerman <bert.timmerman@xs4all.nl>.

Version:

According to DXF R10 (backward compatibility).

According to DXF R11 (backward compatibility).

According to DXF R12 (backward compatibility).

According to DXF R13.

According to DXF R14.

---

Copyright Notices.

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, write to:
Free Software Foundation, Inc.,
59 Temple Place,
Suite 330,
Boston,
MA 02111 USA.

Drawing eXchange Format (DXF) is a defacto industry standard for the exchange of drawing files between various Computer Aided Drafting programs.
DXF is an industry standard designed by Autodesk(TM).
For more details see http://www.autodesk.com .

---

Definition in file spline.h.

---

Define Documentation

#define DXF_SPLINE_KNOT_TOLERANCE_DEFAULT   0.0000001

Definition at line 57 of file spline.h.

Referenced by dxf_spline_init().

#define DXF_SPLINE_CONTROL_POINT_TOLERANCE_DEFAULT   0.0000001

Definition at line 58 of file spline.h.

Referenced by dxf_spline_init().

#define DXF_SPLINE_FIT_TOLERANCE_DEFAULT   0.0000000001

Definition at line 59 of file spline.h.

Referenced by dxf_spline_init().

---

Typedef Documentation

typedef struct dxf_spline_struct DxfSpline

Definition of an AutoCAD spline entity (SPLINE).

---

Function Documentation

DxfSpline* dxf_spline_new

(

)

Allocate memory for a DXF SPLINE.

Fill the memory contents with zeros.

Returns:

NULL when no memory was allocated, a pointer to the allocated memory when succesful.

Definition at line 245 of file spline.c.

References _, DXF_DEBUG_BEGIN, and DXF_DEBUG_END.

Referenced by dxf_spline_init(), and dxf_spline_read().

DxfSpline* dxf_spline_init

(

DxfSpline *

spline

)

Allocate memory and initialize data fields in a DXF SPLINE entity.

Returns:

NULL when no memory was allocated, a pointer to the allocated memory when succesful.

Parameters:

spline

a pointer to the DXF SPLINE entity.

Definition at line 283 of file spline.c.

References _, dxf_spline_struct::binary_graphics_data, dxf_spline_struct::color, dxf_spline_struct::color_name, dxf_spline_struct::color_value, dxf_spline_struct::control_point_tolerance, dxf_spline_struct::degree, dxf_spline_struct::dictionary_owner_hard, dxf_spline_struct::dictionary_owner_soft, dxf_binary_graphics_data_init(), DXF_COLOR_BYLAYER, DXF_DEBUG_BEGIN, DXF_DEBUG_END, DXF_DEFAULT_LAYER, DXF_DEFAULT_LINETYPE, dxf_double_init(), dxf_double_new(), DXF_MODELSPACE, dxf_point_init(), dxf_point_new(), DXF_SPLINE_CONTROL_POINT_TOLERANCE_DEFAULT, DXF_SPLINE_FIT_TOLERANCE_DEFAULT, DXF_SPLINE_KNOT_TOLERANCE_DEFAULT, dxf_spline_new(), dxf_spline_struct::elevation, dxf_spline_struct::extr_x0, dxf_spline_struct::extr_y0, dxf_spline_struct::extr_z0, dxf_spline_struct::fit_tolerance, dxf_spline_struct::flag, dxf_spline_struct::graphics_data_size, dxf_spline_struct::id_code, dxf_spline_struct::knot_tolerance, dxf_spline_struct::knot_value, dxf_spline_struct::layer, dxf_spline_struct::linetype, dxf_spline_struct::linetype_scale, dxf_spline_struct::lineweight, dxf_spline_struct::material, dxf_spline_struct::next, dxf_spline_struct::number_of_control_points, dxf_spline_struct::number_of_fit_points, dxf_spline_struct::number_of_knots, dxf_spline_struct::p0, dxf_spline_struct::p1, dxf_spline_struct::p2, dxf_spline_struct::p3, dxf_spline_struct::paperspace, dxf_spline_struct::plot_style_name, dxf_spline_struct::shadow_mode, dxf_spline_struct::thickness, dxf_spline_struct::transparency, dxf_double_struct::value, dxf_spline_struct::visibility, and dxf_spline_struct::weight_value.

Referenced by dxf_helix_init(), and dxf_spline_read().

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DxfSpline* dxf_spline_read	(	DxfFile *	fp,
		DxfSpline *	spline
	)

Read data from a DXF file into a DXF SPLINE entity.

The last line read from file contained the string "SPLINE".
Now follows some data for the SPLINE, to be terminated with a " 0" string announcing the following entity, or the end of the ENTITY section marker ENDSEC.
While parsing the DXF file store data in spline.

Returns:

a pointer to spline, or NULL when an error occurred.

Parameters:

fp	DXF file pointer to an input file (or device).
spline	a pointer to the DXF SPLINE entity.

Definition at line 372 of file spline.c.

References _, dxf_file_struct::acad_version_number, AutoCAD_11, dxf_spline_struct::binary_graphics_data, dxf_spline_struct::color, dxf_spline_struct::color_name, dxf_spline_struct::color_value, dxf_spline_struct::control_point_tolerance, dxf_binary_graphics_data_struct::data_line, dxf_spline_struct::degree, dxf_spline_struct::dictionary_owner_hard, dxf_spline_struct::dictionary_owner_soft, dxf_binary_graphics_data_init(), DXF_DEBUG_BEGIN, DXF_DEBUG_END, DXF_DEFAULT_LAYER, DXF_DEFAULT_LINETYPE, dxf_double_init(), dxf_point_init(), dxf_spline_init(), dxf_spline_new(), dxf_spline_struct::elevation, dxf_file_struct::filename, dxf_spline_struct::fit_tolerance, dxf_spline_struct::flag, dxf_file_struct::fp, dxf_spline_struct::graphics_data_size, dxf_spline_struct::id_code, dxf_spline_struct::knot_tolerance, dxf_spline_struct::knot_value, dxf_spline_struct::layer, dxf_file_struct::line_number, dxf_spline_struct::linetype, dxf_spline_struct::linetype_scale, dxf_spline_struct::lineweight, dxf_spline_struct::material, dxf_binary_graphics_data_struct::next, dxf_double_struct::next, dxf_point_struct::next, dxf_spline_struct::number_of_control_points, dxf_spline_struct::number_of_fit_points, dxf_spline_struct::number_of_knots, dxf_spline_struct::p0, dxf_spline_struct::p1, dxf_spline_struct::p2, dxf_spline_struct::p3, dxf_spline_struct::paperspace, dxf_spline_struct::plot_style_name, dxf_spline_struct::shadow_mode, dxf_spline_struct::thickness, dxf_spline_struct::transparency, dxf_double_struct::value, dxf_spline_struct::visibility, dxf_spline_struct::weight_value, dxf_point_struct::x0, dxf_point_struct::y0, and dxf_point_struct::z0.

Referenced by dxf_helix_read().

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int dxf_spline_write	(	DxfFile *	fp,
		DxfSpline *	spline
	)

Write DXF output for a DXF SPLINE entity.

Returns:

EXIT_SUCCESS when done, or EXIT_FAILURE when an error occurred.

Todo:

for version R14.
Implementing the start of application-defined group "{application_name", with Group code 102.
For example: "{ACAD_REACTORS" indicates the start of the AutoCAD persistent reactors group.

application-defined codes: Group codes and values within the 102 groups are application defined (optional).

End of group, "}" (optional), with Group code 102.

Todo:

On 64 bit machines use group code 160.

Todo:

implement as a single linked list of double.

Todo:

implement as a single linked list of double.

Parameters:

fp	DXF file pointer to an output file (or device).
spline	a pointer to the DXF SPLINE entity.

Definition at line 774 of file spline.c.

References _, dxf_file_struct::acad_version_number, AutoCAD_11, AutoCAD_12, AutoCAD_13, AutoCAD_14, AutoCAD_2007, dxf_spline_struct::binary_graphics_data, dxf_spline_struct::color, dxf_spline_struct::color_name, dxf_spline_struct::color_value, dxf_spline_struct::control_point_tolerance, dxf_binary_graphics_data_struct::data_line, dxf_spline_struct::degree, dxf_spline_struct::dictionary_owner_hard, dxf_spline_struct::dictionary_owner_soft, dxf_binary_graphics_data_get_next(), DXF_COLOR_BYLAYER, DXF_DEBUG_BEGIN, DXF_DEBUG_END, DXF_DEFAULT_LAYER, DXF_DEFAULT_LINETYPE, DXF_FLATLAND, DXF_MODELSPACE, DXF_PAPERSPACE, dxf_point_get_next(), dxf_spline_struct::elevation, dxf_spline_struct::extr_x0, dxf_spline_struct::extr_y0, dxf_spline_struct::extr_z0, dxf_spline_struct::flag, dxf_file_struct::fp, dxf_spline_struct::graphics_data_size, dxf_spline_struct::id_code, dxf_spline_struct::knot_tolerance, dxf_spline_struct::knot_value, dxf_spline_struct::layer, dxf_spline_struct::linetype, dxf_spline_struct::linetype_scale, dxf_spline_struct::lineweight, dxf_spline_struct::material, dxf_spline_struct::number_of_control_points, dxf_spline_struct::number_of_fit_points, dxf_spline_struct::number_of_knots, dxf_spline_struct::p0, dxf_spline_struct::p1, dxf_spline_struct::p2, dxf_spline_struct::p3, dxf_spline_struct::paperspace, dxf_spline_struct::plot_style_name, dxf_spline_struct::shadow_mode, dxf_spline_struct::thickness, dxf_spline_struct::transparency, dxf_double_struct::value, dxf_spline_struct::visibility, dxf_spline_struct::weight_value, dxf_point_struct::x0, dxf_point_struct::y0, and dxf_point_struct::z0.

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int dxf_spline_free

(

DxfSpline *

spline

)

Free the allocated memory for a DXF SPLINE and all it's data fields.

Returns:

EXIT_SUCCESS when done, or EXIT_FAILURE when an error occurred.

Parameters:

spline

a pointer to the memory occupied by the DXF SPLINE entity.

Definition at line 992 of file spline.c.

References _, dxf_spline_struct::binary_graphics_data, dxf_spline_struct::color_name, dxf_spline_struct::dictionary_owner_hard, dxf_spline_struct::dictionary_owner_soft, dxf_binary_graphics_data_free_chain(), DXF_DEBUG_BEGIN, DXF_DEBUG_END, dxf_double_free_chain(), dxf_point_free(), dxf_point_free_chain(), dxf_spline_struct::knot_value, dxf_spline_struct::layer, dxf_spline_struct::linetype, dxf_spline_struct::material, dxf_spline_struct::next, dxf_spline_struct::p0, dxf_spline_struct::p1, dxf_spline_struct::p2, dxf_spline_struct::p3, dxf_spline_struct::plot_style_name, and dxf_spline_struct::weight_value.

Referenced by dxf_spline_free_chain().

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void dxf_spline_free_chain

(

DxfSpline *

splines

)

Free the allocated memory for a chain of DXF SPLINE entities and all their data fields.

Parameters:

splines

a pointer to the chain of DXF SPLINE entities.

Definition at line 1045 of file spline.c.

References _, DXF_DEBUG_BEGIN, DXF_DEBUG_END, dxf_spline_free(), and dxf_spline_struct::next.

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int dxf_spline_get_id_code

(

DxfSpline *

spline

)

Get the id_code from a DXF SPLINE.

Returns:

id_code when successful, or EXIT_FAILURE when an error occurred.

Parameters:

spline

a pointer to a DXF SPLINE.

Definition at line 1079 of file spline.c.

References _, DXF_DEBUG_BEGIN, DXF_DEBUG_END, and dxf_spline_struct::id_code.

DxfSpline* dxf_spline_set_id_code	(	DxfSpline *	spline,
		int	id_code
	)

Set the ID code for a DXF SPLINE entity.

Returns:

spline when successful or NULL when an error occurred.

Parameters:

spline	a pointer to a DXF SPLINE entity.
id_code	Identification number for the entity. This is to be an unique (sequential) number in the DXF file.

Definition at line 1116 of file spline.c.

References _, DXF_DEBUG_BEGIN, DXF_DEBUG_END, and dxf_spline_struct::id_code.

char* dxf_spline_get_linetype

(

DxfSpline *

spline

)

Get the linetype from a DXF SPLINE entity.

Returns:

linetype when sucessful, or NULL when an error occurred.

Parameters:

spline

a pointer to a DXF SPLINE entity.

Definition at line 1158 of file spline.c.

References _, DXF_DEBUG_BEGIN, DXF_DEBUG_END, and dxf_spline_struct::linetype.

DxfSpline* dxf_spline_set_linetype	(	DxfSpline *	spline,
		char *	linetype
	)

Set the linetype for a DXF SPLINE entity.

Returns:

a pointer to spline when successful, or NULL when an error occurred.

Parameters:

spline	a pointer to a DXF SPLINE entity.
linetype	a string containing the linetype for the entity.

Definition at line 1196 of file spline.c.

References _, DXF_DEBUG_BEGIN, DXF_DEBUG_END, and dxf_spline_struct::linetype.

char* dxf_spline_get_layer

(

DxfSpline *

spline

)

Get the layer from a DXF SPLINE entity.

Returns:

layer when sucessful, or NULL when an error occurred.

Parameters:

spline

a pointer to a DXF SPLINE entity.

Definition at line 1236 of file spline.c.

References _, DXF_DEBUG_BEGIN, DXF_DEBUG_END, and dxf_spline_struct::layer.

DxfSpline* dxf_spline_set_layer	(	DxfSpline *	spline,
		char *	layer
	)

Set the layer for a DXF SPLINE entity.

Returns:

a pointer to spline when successful, or NULL when an error occurred.

Parameters:

spline	a pointer to a DXF SPLINE entity.
layer	a string containing the layer for the entity.

Definition at line 1274 of file spline.c.

References _, DXF_DEBUG_BEGIN, DXF_DEBUG_END, and dxf_spline_struct::layer.

double dxf_spline_get_elevation

(

DxfSpline *

spline

)

Get the elevation from a DXF SPLINE entity.

Returns:

elevation when successful, or EXIT_FAILURE when an error occurred.

Parameters:

spline

a pointer to a DXF SPLINE entity.

Definition at line 1315 of file spline.c.

References _, DXF_DEBUG_BEGIN, DXF_DEBUG_END, and dxf_spline_struct::elevation.

DxfSpline* dxf_spline_set_elevation	(	DxfSpline *	spline,
		double	elevation
	)

Set the elevation for a DXF SPLINE entity.

Returns:

a pointer to spline when successful, or NULL when an error occurred.

Parameters:

spline	a pointer to a DXF SPLINE entity.
elevation	the elevation to be set for the entity.

Definition at line 1346 of file spline.c.

References _, DXF_DEBUG_BEGIN, DXF_DEBUG_END, and dxf_spline_struct::elevation.

double dxf_spline_get_thickness

(

DxfSpline *

spline

)

Get the thickness from a DXF SPLINE entity.

Returns:

thickness when successful, or EXIT_FAILURE when an error occurred.

Parameters:

spline

a pointer to a DXF SPLINE entity.

Definition at line 1380 of file spline.c.

References _, DXF_DEBUG_BEGIN, DXF_DEBUG_END, and dxf_spline_struct::thickness.

DxfSpline* dxf_spline_set_thickness	(	DxfSpline *	spline,
		double	thickness
	)

Set the thickness for a DXF SPLINE entity.

Returns:

a pointer to spline when successful, or NULL when an error occurred.

Parameters:

spline	a pointer to a DXF SPLINE entity.
thickness	the thickness to be set for the entity.

Definition at line 1417 of file spline.c.

References _, DXF_DEBUG_BEGIN, DXF_DEBUG_END, and dxf_spline_struct::thickness.

double dxf_spline_get_linetype_scale

(

DxfSpline *

spline

)

Get the linetype_scale from a DXF SPLINE entity.

Returns:

linetype_scale when successful, or EXIT_FAILURE when an error occurred.

Parameters:

spline

a pointer to a DXF SPLINE entity.

Definition at line 1457 of file spline.c.

References _, DXF_DEBUG_BEGIN, DXF_DEBUG_END, and dxf_spline_struct::linetype_scale.

DxfSpline* dxf_spline_set_linetype_scale	(	DxfSpline *	spline,
		double	linetype_scale
	)

Set the linetype_scale for a DXF SPLINE entity.

Returns:

a pointer to spline when successful, or NULL when an error occurred.

Parameters:

spline	a pointer to a DXF SPLINE entity.
linetype_scale	the linetype_scale to be set for the entity.

Definition at line 1495 of file spline.c.

References _, DXF_DEBUG_BEGIN, DXF_DEBUG_END, and dxf_spline_struct::linetype_scale.

int16_t dxf_spline_get_visibility

(

DxfSpline *

spline

)

Get the visibility from a DXF SPLINE entity.

Returns:

visibility when successful, or EXIT_FAILURE when an error occurred.

Parameters:

spline

a pointer to a DXF SPLINE entity.

Definition at line 1536 of file spline.c.

References _, DXF_DEBUG_BEGIN, DXF_DEBUG_END, and dxf_spline_struct::visibility.

DxfSpline* dxf_spline_set_visibility	(	DxfSpline *	spline,
		int16_t	visibility
	)

Set the visibility for a DXF SPLINE entity.

Returns:

a pointer to spline when successful, or NULL when an error occurred.

Parameters:

spline	a pointer to a DXF SPLINE entity.
visibility	the visibility to be set for the entity.

Definition at line 1581 of file spline.c.

References _, DXF_DEBUG_BEGIN, DXF_DEBUG_END, and dxf_spline_struct::visibility.

int dxf_spline_get_color

(

DxfSpline *

spline

)

Get the color from a DXF SPLINE entity.

Returns:

color when successful, or EXIT_FAILURE when an error occurred.

Parameters:

spline

a pointer to a DXF SPLINE entity.

Definition at line 1629 of file spline.c.

References _, dxf_spline_struct::color, DXF_DEBUG_BEGIN, and DXF_DEBUG_END.

DxfSpline* dxf_spline_set_color	(	DxfSpline *	spline,
		int	color
	)

Set the color for a DXF SPLINE entity.

Returns:

a pointer to spline when successful, or NULL when an error occurred.

Parameters:

spline	a pointer to a DXF SPLINE entity.
color	the color to be set for the entity.

Definition at line 1666 of file spline.c.

References _, dxf_spline_struct::color, DXF_DEBUG_BEGIN, and DXF_DEBUG_END.

int dxf_spline_get_paperspace

(

DxfSpline *

spline

)

Get the paperspace flag value from a DXF SPLINE entity.

Returns:

paperspace flag value when successful, or EXIT_FAILURE when an error occurred.

Parameters:

spline

a pointer to a DXF SPLINE entity.

Definition at line 1708 of file spline.c.

References _, DXF_DEBUG_BEGIN, DXF_DEBUG_END, and dxf_spline_struct::paperspace.

DxfSpline* dxf_spline_set_paperspace	(	DxfSpline *	spline,
		int	paperspace
	)

Set the paperspace flag for a DXF SPLINE entity.

Returns:

a pointer to spline when successful, or NULL when an error occurred.

Parameters:

spline	a pointer to a DXF SPLINE entity.
paperspace	the paperspace flag value to be set for the entity.

Definition at line 1751 of file spline.c.

References _, DXF_DEBUG_BEGIN, DXF_DEBUG_END, and dxf_spline_struct::paperspace.

int dxf_spline_get_graphics_data_size

(

DxfSpline *

spline

)

Get the graphics_data_size value from a DXF SPLINE entity.

Returns:

graphics_data_size flag value when successful, or EXIT_FAILURE when an error occurred.

Parameters:

spline

a pointer to a DXF SPLINE entity.

Definition at line 1800 of file spline.c.

References _, DXF_DEBUG_BEGIN, DXF_DEBUG_END, and dxf_spline_struct::graphics_data_size.

DxfSpline* dxf_spline_set_graphics_data_size	(	DxfSpline *	spline,
		int	graphics_data_size
	)

Set the graphics_data_size value for a DXF SPLINE entity.

Returns:

a pointer to spline when successful, or NULL when an error occurred.

Parameters:

spline	a pointer to a DXF SPLINE entity.
graphics_data_size	the graphics_data_size value to be set for the entity.

Definition at line 1843 of file spline.c.

References _, DXF_DEBUG_BEGIN, DXF_DEBUG_END, and dxf_spline_struct::graphics_data_size.

int16_t dxf_spline_get_shadow_mode

(

DxfSpline *

spline

)

Get the shadow_mode from a DXF SPLINE entity.

Returns:

shadow_mode when successful, or EXIT_FAILURE when an error occurred.

Parameters:

spline

a pointer to a DXF SPLINE entity.

Definition at line 1892 of file spline.c.

References _, DXF_DEBUG_BEGIN, DXF_DEBUG_END, and dxf_spline_struct::shadow_mode.

DxfSpline* dxf_spline_set_shadow_mode	(	DxfSpline *	spline,
		int16_t	shadow_mode
	)

Set the shadow_mode for a DXF SPLINE entity.

Returns:

a pointer to spline when successful, or NULL when an error occurred.

Parameters:

spline	a pointer to a DXF SPLINE entity.
shadow_mode	the shadow mode to be set for the entity.

Definition at line 1937 of file spline.c.

References _, DXF_DEBUG_BEGIN, DXF_DEBUG_END, and dxf_spline_struct::shadow_mode.

DxfBinaryGraphicsData* dxf_spline_get_binary_graphics_data

(

DxfSpline *

spline

)

Get the pointer to the binary_graphics_data from a DXF SPLINE entity.

Returns:

a pointer to the binary_graphics_data when successful, or NULL when an error occurred.

Warning:

No checks are performed on the returned pointer.

Parameters:

spline

a pointer to a DXF SPLINE entity.

Definition at line 1988 of file spline.c.

References _, dxf_spline_struct::binary_graphics_data, DXF_DEBUG_BEGIN, and DXF_DEBUG_END.

DxfSpline* dxf_spline_set_binary_graphics_data	(	DxfSpline *	spline,
		DxfBinaryGraphicsData *	data
	)

Set the pointer to the binary_graphics_data for a DXF SPLINE entity.

Returns:

a pointer to spline when successful, or NULL when an error occurred.

Parameters:

spline	a pointer to a DXF SPLINE entity.
data	a string containing the pointer to the binary_graphics_data for the entity.

Definition at line 2027 of file spline.c.

References _, dxf_spline_struct::binary_graphics_data, DXF_DEBUG_BEGIN, and DXF_DEBUG_END.

char* dxf_spline_get_dictionary_owner_soft

(

DxfSpline *

spline

)

Get the pointer to the dictionary_owner_soft from a DXF SPLINE entity.

Returns:

a pointer to dictionary_owner_soft when successful, or NULL when an error occurred.

Warning:

No checks are performed on the returned pointer.

Parameters:

spline

a pointer to a DXF SPLINE entity.

Definition at line 2072 of file spline.c.

References _, dxf_spline_struct::dictionary_owner_soft, DXF_DEBUG_BEGIN, and DXF_DEBUG_END.

DxfSpline* dxf_spline_set_dictionary_owner_soft	(	DxfSpline *	spline,
		char *	dictionary_owner_soft
	)

Set the pointer to the dictionary_owner_soft for a DXF SPLINE entity.

Returns:

a pointer to spline when successful, or NULL when an error occurred.

Parameters:

spline	a pointer to a DXF SPLINE entity.
dictionary_owner_soft	a string containing the pointer to the dictionary_owner_soft for the entity.

Definition at line 2111 of file spline.c.

References _, dxf_spline_struct::dictionary_owner_soft, DXF_DEBUG_BEGIN, and DXF_DEBUG_END.

char* dxf_spline_get_material

(

DxfSpline *

spline

)

Get the pointer to the material from a DXF SPLINE entity.

Returns:

a pointer to material when successful, or NULL when an error occurred.

Warning:

No checks are performed on the returned pointer.

Parameters:

spline

a pointer to a DXF SPLINE entity.

Definition at line 2155 of file spline.c.

References _, DXF_DEBUG_BEGIN, DXF_DEBUG_END, and dxf_spline_struct::material.

DxfSpline* dxf_spline_set_material	(	DxfSpline *	spline,
		char *	material
	)

Set the pointer to the material for a DXF SPLINE entity.

Returns:

a pointer to spline when successful, or NULL when an error occurred.

Parameters:

spline	a pointer to a DXF SPLINE entity.
material	a string containing the pointer to the material for the entity.

Definition at line 2193 of file spline.c.

References _, DXF_DEBUG_BEGIN, DXF_DEBUG_END, and dxf_spline_struct::material.

char* dxf_spline_get_dictionary_owner_hard

(

DxfSpline *

spline

)

Get the pointer to the dictionary_owner_hard from a DXF SPLINE entity.

Returns:

a pointer to dictionary_owner_hard when successful, or NULL when an error occurred.

Warning:

No checks are performed on the returned pointer.

Parameters:

spline

a pointer to a DXF SPLINE entity.

Definition at line 2238 of file spline.c.

References _, dxf_spline_struct::dictionary_owner_hard, DXF_DEBUG_BEGIN, and DXF_DEBUG_END.

DxfSpline* dxf_spline_set_dictionary_owner_hard	(	DxfSpline *	spline,
		char *	dictionary_owner_hard
	)

Set the pointer to the dictionary_owner_hard for a DXF SPLINE entity.

Returns:

a pointer to spline when successful, or NULL when an error occurred.

Parameters:

spline	a pointer to a DXF SPLINE entity.
dictionary_owner_hard	a string containing the pointer to the dictionary_owner_hard for the entity.

Definition at line 2277 of file spline.c.

References _, dxf_spline_struct::dictionary_owner_hard, DXF_DEBUG_BEGIN, and DXF_DEBUG_END.

int16_t dxf_spline_get_lineweight

(

DxfSpline *

spline

)

Get the lineweight from a DXF SPLINE entity.

Returns:

lineweight when successful, or EXIT_FAILURE when an error occurred.

Parameters:

spline

a pointer to a DXF SPLINE entity.

Definition at line 2319 of file spline.c.

References _, DXF_DEBUG_BEGIN, DXF_DEBUG_END, and dxf_spline_struct::lineweight.

DxfSpline* dxf_spline_set_lineweight	(	DxfSpline *	spline,
		int16_t	lineweight
	)

Set the lineweight for a DXF SPLINE entity.

Returns:

a pointer to spline when successful, or NULL when an error occurred.

Parameters:

spline	a pointer to a DXF SPLINE entity.
lineweight	the lineweight to be set for the entity.

Definition at line 2350 of file spline.c.

References _, DXF_DEBUG_BEGIN, DXF_DEBUG_END, and dxf_spline_struct::lineweight.

char* dxf_spline_get_plot_style_name

(

DxfSpline *

spline

)

Get the plot_style_name from a DXF SPLINE entity.

Returns:

plot_style_name when sucessful, or NULL when an error occurred.

Parameters:

spline

a pointer to a DXF SPLINE entity.

Definition at line 2384 of file spline.c.

References _, DXF_DEBUG_BEGIN, DXF_DEBUG_END, and dxf_spline_struct::plot_style_name.

DxfSpline* dxf_spline_set_plot_style_name	(	DxfSpline *	spline,
		char *	plot_style_name
	)

Set the plot_style_name for a DXF SPLINE entity.

Returns:

a pointer to spline when successful, or NULL when an error occurred.

Parameters:

spline	a pointer to a DXF SPLINE entity.
plot_style_name	a string containing the plot_style_name for the entity.

Definition at line 2422 of file spline.c.

References _, DXF_DEBUG_BEGIN, DXF_DEBUG_END, and dxf_spline_struct::plot_style_name.

long dxf_spline_get_color_value

(

DxfSpline *

spline

)

Get the color_value from a DXF SPLINE entity.

Returns:

color_value when successful, or EXIT_FAILURE when an error occurred.

Parameters:

spline

a pointer to a DXF SPLINE entity.

Definition at line 2464 of file spline.c.

References _, dxf_spline_struct::color_value, DXF_DEBUG_BEGIN, and DXF_DEBUG_END.

DxfSpline* dxf_spline_set_color_value	(	DxfSpline *	spline,
		long	color_value
	)

Set the color_value for a DXF SPLINE entity.

Returns:

a pointer to spline when successful, or NULL when an error occurred.

Parameters:

spline	a pointer to a DXF SPLINE entity.
color_value	the color_value to be set for the entity.

Definition at line 2495 of file spline.c.

References _, dxf_spline_struct::color_value, DXF_DEBUG_BEGIN, and DXF_DEBUG_END.

char* dxf_spline_get_color_name

(

DxfSpline *

spline

)

Get the color_name from a DXF SPLINE entity.

Returns:

color_name when sucessful, or NULL when an error occurred.

Parameters:

spline

a pointer to a DXF SPLINE entity.

Definition at line 2529 of file spline.c.

References _, dxf_spline_struct::color_name, DXF_DEBUG_BEGIN, and DXF_DEBUG_END.

DxfSpline* dxf_spline_set_color_name	(	DxfSpline *	spline,
		char *	color_name
	)

Set the color_name for a DXF SPLINE entity.

Returns:

a pointer to spline when successful, or NULL when an error occurred.

Parameters:

spline	a pointer to a DXF SPLINE entity.
color_name	a string containing the color_name for the entity.

Definition at line 2567 of file spline.c.

References _, dxf_spline_struct::color_name, DXF_DEBUG_BEGIN, and DXF_DEBUG_END.

long dxf_spline_get_transparency

(

DxfSpline *

spline

)

Get the transparency from a DXF SPLINE entity.

Returns:

transparency when successful, or EXIT_FAILURE when an error occurred.

Parameters:

spline

a pointer to a DXF SPLINE entity.

Definition at line 2609 of file spline.c.

References _, DXF_DEBUG_BEGIN, DXF_DEBUG_END, and dxf_spline_struct::transparency.

DxfSpline* dxf_spline_set_transparency	(	DxfSpline *	spline,
		long	transparency
	)

Set the transparency for a DXF SPLINE entity.

Returns:

a pointer to spline when successful, or NULL when an error occurred.

Parameters:

spline	a pointer to a DXF SPLINE entity.
transparency	the transparency to be set for the entity.

Definition at line 2640 of file spline.c.

References _, DXF_DEBUG_BEGIN, DXF_DEBUG_END, and dxf_spline_struct::transparency.

DxfPoint* dxf_spline_get_p0

(

DxfSpline *

spline

)

Get the first control point p0 from a DXF SPLINE entity.

p0 is the first control point in a single linked list.

Returns:

control point p0 when sucessful, or NULL when an error occurred.

Parameters:

spline

a pointer to a DXF SPLINE entity.

Definition at line 2676 of file spline.c.

References _, DXF_DEBUG_BEGIN, DXF_DEBUG_END, and dxf_spline_struct::p0.

DxfSpline* dxf_spline_set_p0	(	DxfSpline *	spline,
		DxfPoint *	p0
	)

Set the first control point p0 for a DXF SPLINE entity.

p0 is the first control point in a single linked list.

Returns:

a pointer to spline when successful, or NULL when an error occurred.

Parameters:

spline	a pointer to a DXF SPLINE entity.
p0	a control point p0 (multiple entries) for the entity.

Definition at line 2716 of file spline.c.

References _, DXF_DEBUG_BEGIN, DXF_DEBUG_END, and dxf_spline_struct::p0.

double dxf_spline_get_x0

(

DxfSpline *

spline

)

Get the X-value x0 of the first control point p0 of a DXF SPLINE entity.

Returns:

the X-value x0 of the first control point p0.

Parameters:

spline

a pointer to a DXF SPLINE entity.

Definition at line 2758 of file spline.c.

References _, DXF_DEBUG_BEGIN, DXF_DEBUG_END, dxf_spline_struct::p0, and dxf_point_struct::x0.

DxfSpline* dxf_spline_set_x0	(	DxfSpline *	spline,
		double	x0
	)

Set the X-value x0 of the first control point p0 of a DXF SPLINE entity.

Returns:

a pointer to spline when successful, or NULL when an error occurred.

Parameters:

spline	a pointer to a DXF SPLINE entity.
x0	the X-value x0 of the first control point p0 to be set for a DXF SPLINE entity.

Definition at line 2798 of file spline.c.

References _, DXF_DEBUG_BEGIN, DXF_DEBUG_END, dxf_spline_struct::p0, and dxf_point_struct::x0.

double dxf_spline_get_y0

(

DxfSpline *

spline

)

Get the Y-value y0 of the first control point p0 of a DXF SPLINE entity.

Returns:

the Y-value y0 of the first control point p0.

Parameters:

spline

a pointer to a DXF SPLINE entity.

Definition at line 2840 of file spline.c.

References _, DXF_DEBUG_BEGIN, DXF_DEBUG_END, dxf_spline_struct::p0, and dxf_point_struct::y0.

DxfSpline* dxf_spline_set_y0	(	DxfSpline *	spline,
		double	y0
	)

Set the Y-value y0 of the first control point p0 of a DXF SPLINE entity.

Returns:

a pointer to spline when successful, or NULL when an error occurred.

Parameters:

spline	a pointer to a DXF SPLINE entity.
y0	the Y-value y0 of the first control point p0 to be set for a DXF SPLINE entity.

Definition at line 2880 of file spline.c.

References _, DXF_DEBUG_BEGIN, DXF_DEBUG_END, dxf_spline_struct::p0, and dxf_point_struct::y0.

double dxf_spline_get_z0

(

DxfSpline *

spline

)

Get the Z-value z0 of the first control point p0 of a DXF SPLINE entity.

Returns:

the Z-value z0 of the first control point p0.

Parameters:

spline

a pointer to a DXF SPLINE entity.

Definition at line 2922 of file spline.c.

References _, DXF_DEBUG_BEGIN, DXF_DEBUG_END, dxf_spline_struct::p0, and dxf_point_struct::z0.

DxfSpline* dxf_spline_set_z0	(	DxfSpline *	spline,
		double	z0
	)

Set the Z-value z0 of the first control point p0 of a DXF SPLINE entity.

Returns:

a pointer to spline when successful, or NULL when an error occurred.

Parameters:

spline	a pointer to a DXF SPLINE entity.
z0	the Z-value z0 of the first control point p0 to be set for a DXF SPLINE entity.

Definition at line 2962 of file spline.c.

References _, DXF_DEBUG_BEGIN, DXF_DEBUG_END, dxf_spline_struct::p0, and dxf_point_struct::z0.

DxfPoint* dxf_spline_get_p1

(

DxfSpline *

spline

)

Get the first fit point p1 from a DXF SPLINE entity.

p1 is the first fit point in a single linked list.

Returns:

fit point p1 when sucessful, or NULL when an error occurred.

Parameters:

spline

a pointer to a DXF SPLINE entity.

Definition at line 3006 of file spline.c.

References _, DXF_DEBUG_BEGIN, DXF_DEBUG_END, and dxf_spline_struct::p1.

DxfSpline* dxf_spline_set_p1	(	DxfSpline *	spline,
		DxfPoint *	p1
	)

Set the first fit point p1 for a DXF SPLINE entity.

p1 is the first fit point in a single linked list.

Returns:

a pointer to spline when successful, or NULL when an error occurred.

Parameters:

spline	a pointer to a DXF SPLINE entity.
p1	a fit point p0 (multiple entries) for the entity.

Definition at line 3046 of file spline.c.

References _, DXF_DEBUG_BEGIN, DXF_DEBUG_END, and dxf_spline_struct::p1.

double dxf_spline_get_x1

(

DxfSpline *

spline

)

Get the X-value x1 of the (first) fit point p1 of a DXF SPLINE entity.

Returns:

the X-value x1 of the (first) fit point p1.

Parameters:

spline

a pointer to a DXF SPLINE entity.

Definition at line 3088 of file spline.c.

References _, DXF_DEBUG_BEGIN, DXF_DEBUG_END, dxf_spline_struct::p1, and dxf_point_struct::x0.

DxfSpline* dxf_spline_set_x1	(	DxfSpline *	spline,
		double	x1
	)

Set the X-value x1 of the (first) fit point p1 of a DXF SPLINE entity.

Returns:

a pointer to spline when successful, or NULL when an error occurred.

Parameters:

spline	a pointer to a DXF SPLINE entity.
x1	the X-value x1 of the (first) fit point p1 to be set for a DXF SPLINE entity.

Definition at line 3128 of file spline.c.

References _, DXF_DEBUG_BEGIN, DXF_DEBUG_END, dxf_spline_struct::p1, and dxf_point_struct::x0.

double dxf_spline_get_y1

(

DxfSpline *

spline

)

Get the Y-value y1 of the (first) fit point p1 of a DXF SPLINE entity.

Returns:

the Y-value y1 of the (first) fit point p1.

Parameters:

spline

a pointer to a DXF SPLINE entity.

Definition at line 3170 of file spline.c.

References _, DXF_DEBUG_BEGIN, DXF_DEBUG_END, dxf_spline_struct::p1, and dxf_point_struct::y0.

DxfSpline* dxf_spline_set_y1	(	DxfSpline *	spline,
		double	y1
	)

Set the Y-value y1 of the (first) fit point p1 of a DXF SPLINE entity.

Returns:

a pointer to spline when successful, or NULL when an error occurred.

Parameters:

spline	a pointer to a DXF SPLINE entity.
y1	the Y-value y1 of the (first) fit point p1 to be set for a DXF SPLINE entity.

Definition at line 3210 of file spline.c.

References _, DXF_DEBUG_BEGIN, DXF_DEBUG_END, dxf_spline_struct::p1, and dxf_point_struct::y0.

double dxf_spline_get_z1

(

DxfSpline *

spline

)

Get the Z-value zy1 of the (first) fit point p1 of a DXF SPLINE entity.

Returns:

the Z-value z1 of the (first) fit point p1.

Parameters:

spline

a pointer to a DXF SPLINE entity.

Definition at line 3252 of file spline.c.

References _, DXF_DEBUG_BEGIN, DXF_DEBUG_END, dxf_spline_struct::p1, and dxf_point_struct::z0.

DxfSpline* dxf_spline_set_z1	(	DxfSpline *	spline,
		double	z1
	)

Set the Z-value z1 of the (first) fit point p1 of a DXF SPLINE entity.

Returns:

a pointer to spline when successful, or NULL when an error occurred.

Parameters:

spline	a pointer to a DXF SPLINE entity.
z1	the Z-value z1 of the (first) fit point p1 to be set for a DXF SPLINE entity.

Definition at line 3292 of file spline.c.

References _, DXF_DEBUG_BEGIN, DXF_DEBUG_END, dxf_spline_struct::p1, and dxf_point_struct::z0.

DxfPoint* dxf_spline_get_p2

(

DxfSpline *

spline

)

Get the start tangent point p2 from a DXF SPLINE entity.

Returns:

start tangent point p2 when sucessful, or NULL when an error occurred.

Parameters:

spline

a pointer to a DXF SPLINE entity.

Definition at line 3334 of file spline.c.

References _, DXF_DEBUG_BEGIN, DXF_DEBUG_END, and dxf_spline_struct::p2.

DxfSpline* dxf_spline_set_p2	(	DxfSpline *	spline,
		DxfPoint *	p2
	)

Set the start tangent point p2 for a DXF SPLINE entity.

Returns:

a pointer to spline when successful, or NULL when an error occurred.

Parameters:

spline	a pointer to a DXF SPLINE entity.
p2	a start tangent point p2 for the entity.

Definition at line 3372 of file spline.c.

References _, DXF_DEBUG_BEGIN, DXF_DEBUG_END, and dxf_spline_struct::p2.

double dxf_spline_get_x2

(

DxfSpline *

spline

)

Get the X-value x2 of the start tangent point p2 of a DXF SPLINE entity.

Returns:

the X-value x2 of the start tangent point p2.

Parameters:

spline

a pointer to a DXF SPLINE entity.

Definition at line 3413 of file spline.c.

References _, DXF_DEBUG_BEGIN, DXF_DEBUG_END, dxf_spline_struct::p2, and dxf_point_struct::x0.

DxfSpline* dxf_spline_set_x2	(	DxfSpline *	spline,
		double	x2
	)

Set the X-value x2 of the start tangent point p2 of a DXF SPLINE entity.

Returns:

a pointer to spline when successful, or NULL when an error occurred.

Parameters:

spline	a pointer to a DXF SPLINE entity.
x2	the X-value x2 of the start tangent point p2 to be set for a DXF SPLINE entity.

Definition at line 3453 of file spline.c.

References _, DXF_DEBUG_BEGIN, DXF_DEBUG_END, dxf_spline_struct::p2, and dxf_point_struct::x0.

double dxf_spline_get_y2

(

DxfSpline *

spline

)

Get the Y-value y2 of the start tangent point p2 of a DXF SPLINE entity.

Returns:

the Y-value y2 of the start tangent point p2.

Parameters:

spline

a pointer to a DXF SPLINE entity.

Definition at line 3495 of file spline.c.

References _, DXF_DEBUG_BEGIN, DXF_DEBUG_END, dxf_spline_struct::p2, and dxf_point_struct::y0.

DxfSpline* dxf_spline_set_y2	(	DxfSpline *	spline,
		double	y2
	)

Set the Y-value y2 of the start tangent point p2 of a DXF SPLINE entity.

Returns:

a pointer to spline when successful, or NULL when an error occurred.

Parameters:

spline	a pointer to a DXF SPLINE entity.
y2	the Y-value y2 of the start tangent point p2 to be set for a DXF SPLINE entity.

Definition at line 3535 of file spline.c.

References _, DXF_DEBUG_BEGIN, DXF_DEBUG_END, dxf_spline_struct::p2, and dxf_point_struct::y0.

double dxf_spline_get_z2

(

DxfSpline *

spline

)

Get the Z-value z2 of the start tangent point p2 of a DXF SPLINE entity.

Returns:

the Z-value z2 of the start tangent point p2.

Parameters:

spline

a pointer to a DXF SPLINE entity.

Definition at line 3577 of file spline.c.

References _, DXF_DEBUG_BEGIN, DXF_DEBUG_END, dxf_spline_struct::p2, and dxf_point_struct::z0.

DxfSpline* dxf_spline_set_z2	(	DxfSpline *	spline,
		double	z2
	)

Set the Z-value z2 of the start tangent point p2 of a DXF SPLINE entity.

Returns:

a pointer to spline when successful, or NULL when an error occurred.

Parameters:

spline	a pointer to a DXF SPLINE entity.
z2	the Z-value z2 of the start tangent point p2 to be set for a DXF SPLINE entity.

Definition at line 3617 of file spline.c.

References _, DXF_DEBUG_BEGIN, DXF_DEBUG_END, dxf_spline_struct::p2, and dxf_point_struct::z0.

DxfPoint* dxf_spline_get_p3

(

DxfSpline *

spline

)

Get the end tangent point p3 from a DXF SPLINE entity.

Returns:

end tangent point p3 when sucessful, or NULL when an error occurred.

Parameters:

spline

a pointer to a DXF SPLINE entity.

Definition at line 3659 of file spline.c.

References _, DXF_DEBUG_BEGIN, DXF_DEBUG_END, and dxf_spline_struct::p3.

DxfSpline* dxf_spline_set_p3	(	DxfSpline *	spline,
		DxfPoint *	p3
	)

Set the end tangent point p3 for a DXF SPLINE entity.

Returns:

a pointer to spline when successful, or NULL when an error occurred.

Parameters:

spline	a pointer to a DXF SPLINE entity.
p3	a end tangent point p3 for the entity.

Definition at line 3697 of file spline.c.

References _, DXF_DEBUG_BEGIN, DXF_DEBUG_END, and dxf_spline_struct::p3.

double dxf_spline_get_x3

(

DxfSpline *

spline

)

Get the X-value x3 of the end tangent point p3 of a DXF SPLINE entity.

Returns:

the X-value x3 of the end tangent point p3.

Parameters:

spline

a pointer to a DXF SPLINE entity.

Definition at line 3738 of file spline.c.

References _, DXF_DEBUG_BEGIN, DXF_DEBUG_END, dxf_spline_struct::p3, and dxf_point_struct::x0.

DxfSpline* dxf_spline_set_x3	(	DxfSpline *	spline,
		double	x3
	)

Set the X-value x3 of the end tangent point p3 of a DXF SPLINE entity.

Returns:

a pointer to spline when successful, or NULL when an error occurred.

Parameters:

spline	a pointer to a DXF SPLINE entity.
x3	the X-value x3 of the end tangent point p3 to be set for a DXF SPLINE entity.

Definition at line 3778 of file spline.c.

References _, DXF_DEBUG_BEGIN, DXF_DEBUG_END, dxf_spline_struct::p3, and dxf_point_struct::x0.

double dxf_spline_get_y3

(

DxfSpline *

spline

)

Get the Y-value y3 of the end tangent point p3 of a DXF SPLINE entity.

Returns:

the Y-value y3 of the end tangent point p3.

Parameters:

spline

a pointer to a DXF SPLINE entity.

Definition at line 3820 of file spline.c.

References _, DXF_DEBUG_BEGIN, DXF_DEBUG_END, dxf_spline_struct::p3, and dxf_point_struct::y0.

DxfSpline* dxf_spline_set_y3	(	DxfSpline *	spline,
		double	y3
	)

Set the Y-value y3 of the end tangent point p3 of a DXF SPLINE entity.

Returns:

a pointer to spline when successful, or NULL when an error occurred.

Parameters:

spline	a pointer to a DXF SPLINE entity.
y3	the Y-value y3 of the end tangent point p3 to be set for a DXF SPLINE entity.

Definition at line 3860 of file spline.c.

References _, DXF_DEBUG_BEGIN, DXF_DEBUG_END, dxf_spline_struct::p3, and dxf_point_struct::y0.

double dxf_spline_get_z3

(

DxfSpline *

spline

)

Get the Z-value z3 of the end tangent point p3 of a DXF SPLINE entity.

Returns:

the Z-value z3 of the end tangent point p3.

Parameters:

spline

a pointer to a DXF SPLINE entity.

Definition at line 3902 of file spline.c.

References _, DXF_DEBUG_BEGIN, DXF_DEBUG_END, dxf_spline_struct::p3, and dxf_point_struct::z0.

DxfSpline* dxf_spline_set_z3	(	DxfSpline *	spline,
		double	z3
	)

Set the Z-value z3 of the end tangent point p3 of a DXF SPLINE entity.

Returns:

a pointer to spline when successful, or NULL when an error occurred.

Parameters:

spline	a pointer to a DXF SPLINE entity.
z3	the Z-value yz of the end tangent point p3 to be set for a DXF SPLINE entity.

Definition at line 3942 of file spline.c.

References _, DXF_DEBUG_BEGIN, DXF_DEBUG_END, dxf_spline_struct::p3, and dxf_point_struct::z0.

double dxf_spline_get_knot_tolerance

(

DxfSpline *

spline

)

Get the knot_tolerance of a DXF SPLINE entity.

Returns:

the knot_tolerance.

Parameters:

spline

a pointer to a DXF SPLINE entity.

Definition at line 3983 of file spline.c.

References _, DXF_DEBUG_BEGIN, DXF_DEBUG_END, and dxf_spline_struct::knot_tolerance.

DxfSpline* dxf_spline_set_knot_tolerance	(	DxfSpline *	spline,
		double	knot_tolerance
	)

Set the knot_tolerance of a DXF SPLINE entity.

Returns:

a pointer to spline when successful, or NULL when an error occurred.

Parameters:

spline	a pointer to a DXF SPLINE entity.
knot_tolerance	the knot_tolerance to be set for a DXF SPLINE entity.

Definition at line 4015 of file spline.c.

References _, DXF_DEBUG_BEGIN, DXF_DEBUG_END, and dxf_spline_struct::knot_tolerance.

double dxf_spline_get_control_point_tolerance

(

DxfSpline *

spline

)

Get the control_point_tolerance of a DXF SPLINE entity.

Returns:

the control_point_tolerance.

Parameters:

spline

a pointer to a DXF SPLINE entity.

Definition at line 4049 of file spline.c.

References _, dxf_spline_struct::control_point_tolerance, DXF_DEBUG_BEGIN, and DXF_DEBUG_END.

DxfSpline* dxf_spline_set_control_point_tolerance	(	DxfSpline *	spline,
		double	control_point_tolerance
	)

Set the control_point_tolerance of a DXF SPLINE entity.

Returns:

a pointer to spline when successful, or NULL when an error occurred.

Parameters:

spline	a pointer to a DXF SPLINE entity.
control_point_tolerance	the control_point_tolerance to be set for a DXF SPLINE entity.

Definition at line 4081 of file spline.c.

References _, dxf_spline_struct::control_point_tolerance, DXF_DEBUG_BEGIN, and DXF_DEBUG_END.

double dxf_spline_get_fit_tolerance

(

DxfSpline *

spline

)

Get the fit_tolerance of a DXF SPLINE entity.

Returns:

the fit_tolerance.

Parameters:

spline

a pointer to a DXF SPLINE entity.

Definition at line 4115 of file spline.c.

References _, DXF_DEBUG_BEGIN, DXF_DEBUG_END, and dxf_spline_struct::fit_tolerance.

DxfSpline* dxf_spline_set_fit_tolerance	(	DxfSpline *	spline,
		double	fit_tolerance
	)

Set the fit_tolerance of a DXF SPLINE entity.

Returns:

a pointer to spline when successful, or NULL when an error occurred.

Parameters:

spline	a pointer to a DXF SPLINE entity.
fit_tolerance	the fit_tolerance to be set for a DXF SPLINE entity.

Definition at line 4147 of file spline.c.

References _, DXF_DEBUG_BEGIN, DXF_DEBUG_END, and dxf_spline_struct::fit_tolerance.

int dxf_spline_get_flag

(

DxfSpline *

spline

)

Get the flag from a DXF SPLINE.

Returns:

flag when successful, or EXIT_FAILURE when an error occurred.

Parameters:

spline

a pointer to a DXF SPLINE.

Definition at line 4182 of file spline.c.

References _, DXF_DEBUG_BEGIN, DXF_DEBUG_END, and dxf_spline_struct::flag.