HATCH: refactored dxf_hatch_boundary_path_edge_spline_append_control_point().

Truncated long variable names.
Use copied values of the passed control point into a newly allocated control point
struct and append this to the spline.
Free the used memory and set the pointer to NULL.

Signed-off-by: Bert Timmerman <bert.timmerman@xs4all.nl>
HATCH: refactored dxf_hatch_boundary_path_edge_spline_append_knot_value().

Truncated long variable names.

Signed-off-by: Bert Timmerman <bert.timmerman@xs4all.nl>
HATCH: refactored dxf_hatch_boundary_path_edge_spline_prepend_control_point().

Truncated long variable names.
Get the pointers to point to the correct locations.

Signed-off-by: Bert Timmerman <bert.timmerman@xs4all.nl>
HATCH: added dot graphs to the doxygen comments of dxf_hatch_boundary_path_edge_spline_append_control_point().

Including a minor white space correction.

Signed-off-by: Bert Timmerman <bert.timmerman@xs4all.nl>
HATCH: refactored dxf_hatch_boundary_path_edge_spline_prepend_control_point().

Use copied values of the passed control point into a newly allocated control point
struct and append this to the spline.
Free the used memory and set the pointer to NULL.

Signed-off-by: Bert Timmerman <bert.timmerman@xs4all.nl>
HATCH: added dot graphs to the doxygen comments of dxf_hatch_boundary_path_edge_spline_prepend_control_point().

Signed-off-by: Bert Timmerman <bert.timmerman@xs4all.nl>
HATCH: corrections in doxygen comments.

Signed-off-by: Bert Timmerman <bert.timmerman@xs4all.nl>
HATCH: truncated long variable names in dxf_hatch_boundary_path_edge_spline_prepend_knot_value().

Signed-off-by: Bert Timmerman <bert.timmerman@xs4all.nl>
HATCH: refactored dxf_hatch_boundary_path_edge_spline_get_control_point().

Truncated long variable names.
Initialise and free variables in the correct context.

Signed-off-by: Bert Timmerman <bert.timmerman@xs4all.nl>
HATCH: truncated long variable names in dxf_hatch_boundary_path_edge_spline_get_knot_value().

Signed-off-by: Bert Timmerman <bert.timmerman@xs4all.nl>
HATCH: refactored dxf_hatch_boundary_path_edge_spline_set_control_point().

Truncated long variable names.
Initialise and free variables in the correct context.
Use copied values of the passed control point into a newly allocated control point
struct and set this to the spline.
Free the used memory and set the pointer to NULL.

Signed-off-by: Bert Timmerman <bert.timmerman@xs4all.nl>
HATCH: truncated long variable names in dxf_hatch_boundary_path_edge_spline_set_knot_value().

Signed-off-by: Bert Timmerman <bert.timmerman@xs4all.nl>
HATCH: truncated long variable names in dxf_hatch_boundary_path_edge_spline_insert_control_point().

Signed-off-by: Bert Timmerman <bert.timmerman@xs4all.nl>
HATCH: refactored dxf_hatch_boundary_path_edge_spline_insert_control_point().

Initialise and free variables in the correct context.
Use copied values of the passed control point into a newly allocated control point
struct and set this to the spline.
Free the used memory and set the pointer to NULL.

Signed-off-by: Bert Timmerman <bert.timmerman@xs4all.nl>
HATCH: rename cp to control_point in dxf_hatch_boundary_path_edge_spline_append_control_point().

Signed-off-by: Bert Timmerman <bert.timmerman@xs4all.nl>
HATCH: truncated long variable names in dxf_hatch_boundary_path_edge_spline_cp_init().

Signed-off-by: Bert Timmerman <bert.timmerman@xs4all.nl>
HATCH: truncated long variable names in dxf_hatch_boundary_path_edge_spline_init().

Signed-off-by: Bert Timmerman <bert.timmerman@xs4all.nl>
HATCH: rename cp to control_point in dxf_hatch_boundary_path_edge_spline_prepend_control_point().

Signed-off-by: Bert Timmerman <bert.timmerman@xs4all.nl>
HATCH: corrections in a doxygen tag.

Signed-off-by: Bert Timmerman <bert.timmerman@xs4all.nl>
HATCH: rename cp to control_point in dxf_hatch_boundary_path_edge_spline_set_control_point().

Signed-off-by: Bert Timmerman <bert.timmerman@xs4all.nl>