editcurve_pen.cc File Reference

#include "DNA_curve_types.h"
#include "DNA_windowmanager_types.h"
#include "MEM_guardedalloc.h"
#include "BLI_listbase.h"
#include "BLI_math_geom.h"
#include "BLI_math_matrix.h"
#include "BLI_math_vector.h"
#include "BKE_context.hh"
#include "BKE_curve.hh"
#include "DEG_depsgraph.hh"
#include "WM_api.hh"
#include "ED_curve.hh"
#include "ED_screen.hh"
#include "ED_select_utils.hh"
#include "ED_view3d.hh"
#include "curve_intern.hh"
#include "RNA_access.hh"
#include "RNA_define.hh"
#include <cfloat>

Go to the source code of this file.

Classes
struct	CutData
struct	MoveSegmentData
struct	CurvePenData

Macros
#define	FOREACH_SELECTED_BEZT_BEGIN(bezt, nurbs)
#define	FOREACH_SELECTED_BEZT_END
#define	SEL_DIST_FACTOR   0.2f

Enumerations
enum	eClose_opt { OFF = 0 , ON_PRESS = 1 , ON_CLICK = 2 }
enum	{   PEN_MODAL_FREE_ALIGN_TOGGLE = 1 , PEN_MODAL_MOVE_ADJACENT , PEN_MODAL_MOVE_ENTIRE , PEN_MODAL_LINK_HANDLES ,   PEN_MODAL_LOCK_ANGLE }

Functions
static void	update_location_for_2d_curve (const ViewContext *vc, float location[3])
static void	screenspace_to_worldspace (const ViewContext *vc, const float pos_2d[2], const float depth[3], float r_pos_3d[3])
static void	screenspace_to_worldspace_int (const ViewContext *vc, const int pos_2d[2], const float depth[3], float r_pos_3d[3])
static bool	worldspace_to_screenspace (const ViewContext *vc, const float pos_3d[3], float r_pos_2d[2])
static void	move_bezt_by_displacement (BezTriple *bezt, const float disp_3d[3])
static void	move_bezt_to_location (BezTriple *bezt, const float location[3])
static void	remove_handle_movement_constraints (BezTriple *bezt, const bool f1, const bool f3)
static void	move_bezt_handle_or_vertex_by_displacement (const ViewContext *vc, BezTriple *bezt, const int bezt_idx, const float disp_2d[2], const float distance, const bool link_handles, const bool lock_angle)
static void	move_bp_to_location (const ViewContext *vc, BPoint *bp, const float mval[2])
static bool	get_selected_center (const ListBase *nurbs, const bool mid_only, const bool bezt_only, float r_center[3])
static void	move_all_selected_points (const ViewContext *vc, const wmEvent *event, CurvePenData *cpd, ListBase *nurbs, const bool bezt_only)
static int	get_nurb_index (const ListBase *nurbs, const Nurb *nurb)
static void	delete_nurb (Curve *cu, Nurb *nu)
static void	delete_bezt_from_nurb (const BezTriple *bezt, Nurb *nu, EditNurb *editnurb)
static void	delete_bp_from_nurb (const BPoint *bp, Nurb *nu, EditNurb *editnurb)
static bool	get_closest_vertex_to_point_in_nurbs (const ViewContext *vc, const ListBase *nurbs, const float point[2], Nurb **r_nu, BezTriple **r_bezt, BPoint **r_bp, int *r_bezt_idx)
static void	get_bezier_interpolated_point (const BezTriple *bezt1, const BezTriple *bezt2, const float parameter, float r_point[3])
static void	calculate_new_bezier_point (const float point_prev[3], float handle_prev[3], float new_left_handle[3], float new_right_handle[3], float handle_next[3], const float point_next[3], const float parameter)
static bool	is_cyclic (const Nurb *nu)
static void	insert_bezt_to_nurb (Nurb *nu, const CutData *data, Curve *cu)
static void	insert_bp_to_nurb (Nurb *nu, const CutData *data, Curve *cu)
static void	get_updated_data_for_edge (const float point[2], const float point1[2], const float point2[2], const int point_idx, const int resolu_idx, float *r_min_dist, int *r_min_i, float *r_param)
static void	update_cut_data_for_nurb (const ViewContext *vc, CutData *cd, Nurb *nu, const int resolu, const float point[2])
static bool	update_cut_data_for_all_nurbs (const ViewContext *vc, const ListBase *nurbs, const float point[2], const float sel_dist, CutData *cd)
static CutData	init_cut_data (const wmEvent *event)
static bool	insert_point_to_segment (const ViewContext *vc, const wmEvent *event)
static void	get_first_selected_point (Curve *cu, View3D *v3d, Nurb **r_nu, BezTriple **r_bezt, BPoint **r_bp)
static void	extrude_vertices_from_selected_endpoints (EditNurb *editnurb, ListBase *nurbs, Curve *cu, const float disp_3d[3])
static void	deselect_all_center_vertices (ListBase *nurbs)
static bool	is_last_bezt (const Nurb *nu, const BezTriple *bezt)
static void	extrude_points_from_selected_vertices (const ViewContext *vc, const wmEvent *event, const int extrude_handle)
static bool	is_spline_nearby (ViewContext *vc, wmOperator *op, const wmEvent *event, const float sel_dist)
static void	move_segment (const ViewContext *vc, MoveSegmentData *seg_data, const wmEvent *event)
static void	toggle_bezt_free_align_handles (BezTriple *bezt)
static void	toggle_sel_bezt_free_align_handles (ListBase *nurbs)
static bool	delete_point_under_mouse (const ViewContext *vc, const wmEvent *event)
static void	move_adjacent_handle (const ViewContext *vc, const wmEvent *event, ListBase *nurbs)
static bool	make_cyclic_if_endpoints (const ViewContext *vc, Nurb *sel_nu, BezTriple *sel_bezt, BPoint *sel_bp)
static void	init_selected_bezt_handles (ListBase *nurbs)
static void	toggle_select_bezt (BezTriple *bezt, const int bezt_idx, Curve *cu, Nurb *nu)
static void	toggle_select_bp (BPoint *bp, Curve *cu, Nurb *nu)
static void	toggle_handle_types (BezTriple *bezt, int bezt_idx, CurvePenData *cpd)
static void	cycle_handles (BezTriple *bezt)
wmKeyMap *	curve_pen_modal_keymap (wmKeyConfig *keyconf)
static int	curve_pen_modal (bContext *C, wmOperator *op, const wmEvent *event)
static int	curve_pen_invoke (bContext *C, wmOperator *op, const wmEvent *event)
void	CURVE_OT_pen (wmOperatorType *ot)

Variables
static const EnumPropertyItem	prop_handle_types []
static const EnumPropertyItem	prop_close_spline_method []

Macro Definition Documentation

FOREACH_SELECTED_BEZT_BEGIN

#define FOREACH_SELECTED_BEZT_BEGIN	(		bezt,
			nurbs )

Value:

  LISTBASE_FOREACH (Nurb *, nu, nurbs) { \
    if (nu->type == CU_BEZIER) { \
      for (int i = 0; i < nu->pntsu; i++) { \
        BezTriple *bezt = nu->bezt + i; \
        if (BEZT_ISSEL_ANY(bezt) && !bezt->hide) {

Definition at line 38 of file editcurve_pen.cc.

Referenced by extrude_points_from_selected_vertices(), init_selected_bezt_handles(), move_adjacent_handle(), and toggle_sel_bezt_free_align_handles().

FOREACH_SELECTED_BEZT_END

#define FOREACH_SELECTED_BEZT_END

Value:

  } \
  } \
  } \
  BKE_nurb_handles_calc(nu); \
  } \
  ((void)0)

Definition at line 45 of file editcurve_pen.cc.

Referenced by extrude_points_from_selected_vertices(), init_selected_bezt_handles(), move_adjacent_handle(), and toggle_sel_bezt_free_align_handles().

SEL_DIST_FACTOR

#define SEL_DIST_FACTOR   0.2f

Definition at line 54 of file editcurve_pen.cc.

Referenced by curve_pen_invoke(), curve_pen_modal(), get_closest_vertex_to_point_in_nurbs(), and insert_point_to_segment().

Enumeration Type Documentation

anonymous enum

anonymous enum

Enumerator
PEN_MODAL_FREE_ALIGN_TOGGLE
PEN_MODAL_MOVE_ADJACENT
PEN_MODAL_MOVE_ENTIRE
PEN_MODAL_LINK_HANDLES
PEN_MODAL_LOCK_ANGLE

Definition at line 1504 of file editcurve_pen.cc.

eClose_opt

enum eClose_opt

Enumerator
OFF
ON_PRESS
ON_CLICK

Definition at line 130 of file editcurve_pen.cc.

Function Documentation

calculate_new_bezier_point()

static void calculate_new_bezier_point ( const float point_prev[3], float handle_prev[3], float new_left_handle[3], float new_right_handle[3], float handle_next[3], const float point_next[3], const float parameter )

static

Calculate handle positions of added and adjacent control points such that shape is preserved.

Definition at line 576 of file editcurve_pen.cc.

References interp_v3_v3v3().

Referenced by insert_bezt_to_nurb().

CURVE_OT_pen()

void CURVE_OT_pen

(

wmOperatorType *

ot

)

Definition at line 1836 of file editcurve_pen.cc.

References curve_pen_invoke(), curve_pen_modal(), wmOperatorType::description, ED_operator_editcurve(), wmOperatorType::flag, HD_VECT, wmOperatorType::idname, wmOperatorType::invoke, wmOperatorType::modal, wmOperatorType::name, OFF, OPTYPE_UNDO, ot, wmOperatorType::poll, prop_close_spline_method, prop_handle_types, RNA_def_boolean(), RNA_def_enum(), wmOperatorType::srna, and WM_operator_properties_mouse_select().

Referenced by ED_operatortypes_curve().

curve_pen_invoke()

static int curve_pen_invoke ( bContext * C, wmOperator * op, const wmEvent * event )

static

Definition at line 1747 of file editcurve_pen.cc.

References CurvePenData::bezt, BEZT_ISSEL_IDX, BEZT_SEL_IDX, BKE_curve_nurb_vert_active_set(), CurvePenData::bp, CurvePenData::changed, copy_v2_v2_int(), CTX_data_ensure_evaluated_depsgraph(), wmOperator::customdata, Object::data, depsgraph, ED_curve_deselect_all(), ED_view3d_select_dist_px(), ED_view3d_viewcontext_init(), Curve::editnurb, ELEM, extrude_points_from_selected_vertices(), BPoint::f1, float, CurvePenData::found_point, get_closest_vertex_to_point_in_nurbs(), get_first_selected_point(), Nurb::hide, insert_point_to_segment(), is_cyclic(), is_spline_nearby(), KM_DBL_CLICK, KM_PRESS, LEFTMOUSE, CurvePenData::link_handles, make_cyclic_if_endpoints(), MEM_callocN, ViewContext::mval, wmEvent::mval, CurvePenData::new_point, CurvePenData::nu, EditNurb::nurbs, ViewContext::obedit, ON_PRESS, OPERATOR_RUNNING_MODAL, wmOperator::ptr, RNA_boolean_get(), RNA_enum_get(), SEL_DIST_FACTOR, SELECT, CurvePenData::selection_made, CurvePenData::spline_nearby, wmEvent::type, ViewContext::v3d, wmEvent::val, and WM_event_add_modal_handler().

Referenced by CURVE_OT_pen().

curve_pen_modal()

static int curve_pen_modal ( bContext * C, wmOperator * op, const wmEvent * event )

static

Definition at line 1557 of file editcurve_pen.cc.

References CurvePenData::bezt, Nurb::bezt, MoveSegmentData::bezt_index, BKE_nurb_bezt_get_next(), BKE_nurb_handles_calc(), CurvePenData::bp, CurvePenData::changed, copy_v2_v2_int(), CTX_data_edit_object(), CTX_data_ensure_evaluated_depsgraph(), CU_BEZIER, wmOperator::customdata, cycle_handles(), Object::data, DEG_id_tag_update(), delete_point_under_mouse(), depsgraph, CurvePenData::dragging, ED_curve_deselect_all(), ED_curve_editnurb_select_pick(), ED_view3d_select_dist_px(), ED_view3d_viewcontext_init(), Curve::editnurb, ELEM, EVT_MODAL_MAP, extrude_points_from_selected_vertices(), float, CurvePenData::found_point, get_closest_vertex_to_point_in_nurbs(), init_selected_bezt_handles(), insert_point_to_segment(), is_cyclic(), ISMOUSE_MOTION, KM_DBL_CLICK, KM_RELEASE, KM_SHIFT, LEFTMOUSE, CurvePenData::link_handles, CurvePenData::lock_angle, make_cyclic_if_endpoints(), MEM_callocN, MEM_freeN(), CurvePenData::move_adjacent, move_adjacent_handle(), move_all_selected_points(), CurvePenData::move_entire, move_segment(), CurvePenData::msd, ViewContext::mval, wmEvent::mval, NC_GEOM, ND_DATA, ND_SELECT, CurvePenData::new_point, CurvePenData::nu, MoveSegmentData::nu, EditNurb::nurbs, ViewContext::obedit, ON_CLICK, OPERATOR_FINISHED, OPERATOR_RUNNING_MODAL, params, PEN_MODAL_FREE_ALIGN_TOGGLE, PEN_MODAL_LINK_HANDLES, PEN_MODAL_LOCK_ANGLE, PEN_MODAL_MOVE_ADJACENT, PEN_MODAL_MOVE_ENTIRE, wmEvent::prev_press_xy, wmOperator::ptr, ret, RNA_boolean_get(), RNA_enum_get(), SEL_DIST_FACTOR, SEL_OP_SET, CurvePenData::select_multi, CurvePenData::selection_made, CurvePenData::spline_nearby, toggle_bezt_free_align_handles(), toggle_handle_types(), toggle_sel_bezt_free_align_handles(), toggle_select_bezt(), toggle_select_bp(), Nurb::type, wmEvent::type, wmEvent::val, WM_event_add_notifier(), and WM_event_drag_test().

Referenced by CURVE_OT_pen().

curve_pen_modal_keymap()

wmKeyMap * curve_pen_modal_keymap

(

wmKeyConfig *

keyconf

)

Definition at line 1512 of file editcurve_pen.cc.

References wmKeyMap::modal_items, PEN_MODAL_FREE_ALIGN_TOGGLE, PEN_MODAL_LINK_HANDLES, PEN_MODAL_LOCK_ANGLE, PEN_MODAL_MOVE_ADJACENT, PEN_MODAL_MOVE_ENTIRE, WM_modalkeymap_assign(), WM_modalkeymap_ensure(), and WM_modalkeymap_find().

Referenced by ED_keymap_curve().

cycle_handles()

static void cycle_handles ( BezTriple * bezt )

static

Definition at line 1488 of file editcurve_pen.cc.

References BezTriple::h1, BezTriple::h2, HD_ALIGN, HD_AUTO, HD_FREE, and HD_VECT.

Referenced by curve_pen_modal().

delete_bezt_from_nurb()

static void delete_bezt_from_nurb ( const BezTriple * bezt, Nurb * nu, EditNurb * editnurb )

static

Definition at line 448 of file editcurve_pen.cc.

References Nurb::bezt, BKE_curve_editNurb_keyIndex_delCV(), BKE_curve_nurb_vert_index_get(), BLI_assert, CU_BEZIER, EditNurb::keyindex, Nurb::pntsu, and Nurb::type.

Referenced by delete_point_under_mouse().

delete_bp_from_nurb()

static void delete_bp_from_nurb ( const BPoint * bp, Nurb * nu, EditNurb * editnurb )

static

Definition at line 457 of file editcurve_pen.cc.

References BKE_curve_editNurb_keyIndex_delCV(), BKE_curve_nurb_vert_index_get(), BLI_assert, Nurb::bp, CU_NURBS, CU_POLY, EditNurb::keyindex, Nurb::pntsu, and Nurb::type.

Referenced by delete_point_under_mouse().

delete_nurb()

static void delete_nurb ( Curve * cu, Nurb * nu )

static

Definition at line 435 of file editcurve_pen.cc.

References Curve::actnu, BKE_curve_nurb_vert_active_set(), BKE_nurb_free(), BLI_remlink(), Curve::editnurb, get_nurb_index(), and EditNurb::nurbs.

Referenced by delete_point_under_mouse().

delete_point_under_mouse()

static bool delete_point_under_mouse ( const ViewContext * vc, const wmEvent * event )

static

If a point is found under mouse, delete point and return true. Else return false.

Definition at line 1293 of file editcurve_pen.cc.

References Curve::actvert, BKE_curve_editNurbs_get(), BKE_curve_nurb_vert_index_get(), BKE_nurb_bezt_get_next(), BKE_nurb_bezt_get_prev(), BKE_nurb_handles_calc(), CU_ACT_NONE, CU_BEZIER, Object::data, delete_bezt_from_nurb(), delete_bp_from_nurb(), delete_nurb(), ED_curve_deselect_all(), ed_dissolve_bez_segment(), Curve::editnurb, float, get_closest_vertex_to_point_in_nurbs(), wmEvent::mval, ViewContext::obedit, Nurb::pntsu, and Nurb::type.

Referenced by curve_pen_modal().

deselect_all_center_vertices()

static void deselect_all_center_vertices ( ListBase * nurbs )

static

Deselect all vertices that are not endpoints.

Definition at line 1060 of file editcurve_pen.cc.

References BEZT_DESEL_ALL, CU_BEZIER, is_cyclic(), LISTBASE_FOREACH, and SELECT.

Referenced by extrude_points_from_selected_vertices().

extrude_points_from_selected_vertices()

static void extrude_points_from_selected_vertices ( const ViewContext * vc, const wmEvent * event, const int extrude_handle )

static

Add new vertices connected to the selected vertices.

Definition at line 1093 of file editcurve_pen.cc.

References Nurb::bezt, BKE_curve_editNurbs_get(), BKE_curve_nurb_vert_active_set(), Nurb::bp, copy_v3_v3(), Scene::cursor, Object::data, deselect_all_center_vertices(), ed_editcurve_addvert(), ED_view3d_win_to_3d_int(), Curve::editnurb, extrude_vertices_from_selected_endpoints(), Nurb::flagu, FOREACH_SELECTED_BEZT_BEGIN, FOREACH_SELECTED_BEZT_END, get_selected_center(), ListBase::last, View3DCursor::location, mul_v3_m4v3(), wmEvent::mval, EditNurb::nurbs, ViewContext::obedit, ViewContext::region, ViewContext::scene, sub_v3_v3v3(), update_location_for_2d_curve(), and ViewContext::v3d.

Referenced by curve_pen_invoke(), and curve_pen_modal().

extrude_vertices_from_selected_endpoints()

static void extrude_vertices_from_selected_endpoints ( EditNurb * editnurb, ListBase * nurbs, Curve * cu, const float disp_3d[3] )

static

Definition at line 935 of file editcurve_pen.cc.

References Curve::actnu, Curve::actvert, add_v3_v3(), BEZT_DESEL_ALL, BEZT_ISSEL_ANY, BEZT_SEL_IDX, BKE_curve_nurb_vert_active_validate(), BKE_nurb_knot_calc_u(), CU_BEZIER, ED_curve_beztcpy(), ED_curve_bpcpy(), BPoint::f1, LISTBASE_FOREACH, MEM_freeN(), MEM_mallocN, move_bezt_by_displacement(), SELECT, and BPoint::vec.

Referenced by extrude_points_from_selected_vertices().

get_bezier_interpolated_point()

static void get_bezier_interpolated_point ( const BezTriple * bezt1, const BezTriple * bezt2, const float parameter, float r_point[3] )

static

Interpolate along the Bezier segment by a parameter (between 0 and 1) and get its location.

Definition at line 559 of file editcurve_pen.cc.

References interp_v3_v3v3(), and BezTriple::vec.

Referenced by insert_point_to_segment(), and move_segment().

get_closest_vertex_to_point_in_nurbs()

static bool get_closest_vertex_to_point_in_nurbs ( const ViewContext * vc, const ListBase * nurbs, const float point[2], Nurb ** r_nu, BezTriple ** r_bezt, BPoint ** r_bp, int * r_bezt_idx )

static

Get closest vertex in all nurbs in given ListBase to a given point. Returns true if point is found.

Definition at line 470 of file editcurve_pen.cc.

References BEZT_ISSEL_ANY, CU_BEZIER, CURVE_HANDLE_NONE, CURVE_HANDLE_SELECTED, ED_view3d_select_dist_px(), FLT_MAX, View3DOverlay::handle_display, len_manhattan_v2v2(), LISTBASE_FOREACH, View3D::overlay, SEL_DIST_FACTOR, ViewContext::v3d, BezTriple::vec, BPoint::vec, and worldspace_to_screenspace().

Referenced by curve_pen_invoke(), curve_pen_modal(), delete_point_under_mouse(), and make_cyclic_if_endpoints().

get_first_selected_point()

static void get_first_selected_point ( Curve * cu, View3D * v3d, Nurb ** r_nu, BezTriple ** r_bezt, BPoint ** r_bp )

static

Get the first selected point from the curve. If more than one selected point is found, define and return only the first detected nu.

Definition at line 887 of file editcurve_pen.cc.

References BEZT_ISSEL_ANY_HIDDENHANDLES, CU_BEZIER, Curve::editnurb, BPoint::f1, LISTBASE_FOREACH, EditNurb::nurbs, and SELECT.

Referenced by curve_pen_invoke().

get_nurb_index()

static int get_nurb_index ( const ListBase * nurbs, const Nurb * nurb )

static

Definition at line 430 of file editcurve_pen.cc.

References BLI_findindex().

Referenced by delete_nurb().

get_selected_center()

static bool get_selected_center ( const ListBase * nurbs, const bool mid_only, const bool bezt_only, float r_center[3] )

static

Get the average position of selected points.

Parameters

mid_only	Use only the middle point of the three points on a BezTriple.
bezt_only	Use only points of Bezier splines.

Definition at line 313 of file editcurve_pen.cc.

References add_v3_v3(), BEZT_ISSEL_ANY, BEZT_ISSEL_IDX, CU_BEZIER, BezTriple::hide, LISTBASE_FOREACH, mul_v3_fl(), SELECT, BezTriple::vec, and zero_v3().

Referenced by extrude_points_from_selected_vertices(), and move_all_selected_points().

get_updated_data_for_edge()

static void get_updated_data_for_edge ( const float point[2], const float point1[2], const float point2[2], const int point_idx, const int resolu_idx, float * r_min_dist, int * r_min_i, float * r_param )

static

Update r_min_dist, r_min_i, and r_param based on the edge and the external point.

Parameters

point	External point
point1	One end of the edge
point2	The other end of the edge
point_idx	Index of the control point out of the points on the Nurb
resolu_idx	Index of the edge on a Bezier segment (zero for non-Bezier edges)
r_min_dist	minimum distance from point to edge
r_min_i	index of closest point on Nurb
r_param	the fraction along the edge at which the closest point lies

Definition at line 709 of file editcurve_pen.cc.

References angle_v2v2(), cos_v2v2v2(), dot_v2v2(), len_v2(), sinf, and sub_v2_v2v2().

Referenced by update_cut_data_for_nurb().

init_cut_data()

static CutData init_cut_data ( const wmEvent * event )

static

Definition at line 833 of file editcurve_pen.cc.

References CutData::bezt_index, and FLT_MAX.

Referenced by insert_point_to_segment(), and is_spline_nearby().

init_selected_bezt_handles()

static void init_selected_bezt_handles ( ListBase * nurbs )

static

Definition at line 1423 of file editcurve_pen.cc.

References BEZT_DESEL_ALL, BEZT_SEL_IDX, copy_v3_v3(), FOREACH_SELECTED_BEZT_BEGIN, FOREACH_SELECTED_BEZT_END, HD_ALIGN, and is_last_bezt().

Referenced by curve_pen_modal().

insert_bezt_to_nurb()

static void insert_bezt_to_nurb ( Nurb * nu, const CutData * data, Curve * cu )

static

Insert a BezTriple to a nurb at the location specified by data.

Definition at line 600 of file editcurve_pen.cc.

References Nurb::bezt, BEZT_SEL_IDX, BKE_curve_nurb_vert_active_set(), BKE_nurb_handles_calc(), calculate_new_bezier_point(), copy_v3_v3(), ED_curve_beztcpy(), ED_curve_deselect_all(), Curve::editnurb, BezTriple::h1, BezTriple::h2, HD_ALIGN, interpf(), is_cyclic(), MEM_freeN(), MEM_mallocN, Nurb::pntsu, BezTriple::radius, BezTriple::tilt, BezTriple::vec, and BezTriple::weight.

Referenced by insert_point_to_segment().

insert_bp_to_nurb()

static void insert_bp_to_nurb ( Nurb * nu, const CutData * data, Curve * cu )

static

Insert a BPoint to a nurb at the location specified by op_data.

Definition at line 656 of file editcurve_pen.cc.

References BKE_curve_nurb_vert_active_set(), BKE_nurb_knot_calc_u(), Nurb::bp, copy_v3_v3(), ED_curve_bpcpy(), ED_curve_deselect_all(), Curve::editnurb, BPoint::f1, interpf(), is_cyclic(), MEM_freeN(), MEM_mallocN, Nurb::pntsu, BPoint::radius, SELECT, BPoint::tilt, BPoint::vec, and BPoint::weight.

Referenced by insert_point_to_segment().

insert_point_to_segment()

static bool insert_point_to_segment ( const ViewContext * vc, const wmEvent * event )

static

Definition at line 847 of file editcurve_pen.cc.

References Nurb::bezt, CutData::bezt_index, BKE_curve_editNurbs_get(), Nurb::bp, CutData::bp_index, CU_BEZIER, CutData::cut_loc, Object::data, ED_view3d_select_dist_px(), float, FLT_MAX, get_bezier_interpolated_point(), Nurb::hide, init_cut_data(), insert_bezt_to_nurb(), insert_bp_to_nurb(), interp_v2_v2v2(), CutData::min_dist, wmEvent::mval, CutData::nurb, ViewContext::obedit, CutData::parameter, Nurb::pntsu, SEL_DIST_FACTOR, Nurb::type, update_cut_data_for_all_nurbs(), and update_cut_data_for_nurb().

Referenced by curve_pen_invoke(), and curve_pen_modal().

is_cyclic()

static bool is_cyclic ( const Nurb * nu )

static

Definition at line 592 of file editcurve_pen.cc.

References CU_NURB_CYCLIC, and Nurb::flagu.

Referenced by bevel_list_calc_bisect(), blender::io::alembic::bezier_point_count(), blender::io::usd::bezier_point_count(), BKE_curve_bevelList_make(), BKE_curve_calc_coords_axis(), BKE_curve_calc_coords_axis_len(), BKE_curve_decimate_bezt_array(), BKE_gpencil_editcurve_subdivide(), BKE_gpencil_stroke_delete_tagged_points(), BKE_gpencil_stroke_smooth_point(), BKE_gpencil_stroke_smooth_strength(), BKE_gpencil_stroke_smooth_thickness(), BKE_gpencil_stroke_smooth_uv(), BKE_maskrasterize_handle_init(), BKE_where_on_path(), blender::ed::greasepencil::build_curves_2d_bvh_from_visible(), blender::calc_radius_limit(), calcknots(), blender::bke::curves::poly::calculate_tangents(), blender::ed::curves::create_Bezier(), blender::ed::curves::create_NURBS(), createTransGPencil_curves(), curve_pen_invoke(), curve_pen_modal(), curve_to_displist(), blender::ed::curves::curves_draw_exec(), deselect_all_center_vertices(), blender::io::alembic::ABCCurveWriter::do_write(), blender::io::usd::USDCurvesWriter::do_write(), blender::ed::curves::duplicate_points(), ed_editcurve_extrude(), fcurve_to_keylist(), blender::ed::greasepencil::find_curve_intersections(), blender::ed::greasepencil::find_curve_segments(), blender::find_envelope(), blender::geometry::gaussian_blur_1D(), blender::ed::greasepencil::generate_stroke_perimeter(), get_curve_points_from_idx(), blender::io::usd::get_curve_width_interpolation(), blender::ed::greasepencil::trim::get_intersections_of_curve_with_curves(), gpencil_editcurve_subdivide_count(), blender::ed::sculpt_paint::grease_pencil_fill_extension_cut(), blender::draw::grease_pencil_geom_batch_ensure(), blender::ed::greasepencil::grease_pencil_primitive_init_curves(), blender::draw::grease_pencil_weight_batch_ensure(), blender::draw::grease_pencil_wire_batch_ensure(), blender::draw::index_buf_add_line_points(), insert_bezt_to_nurb(), insert_bp_to_nurb(), is_last_bezt(), knifeproject_poly_from_object(), make_bevel_list_3D_minimum_twist(), blender::io::usd::point_count(), blender::io::usd::populate_curve_props(), blender::io::usd::populate_curve_props_for_bezier(), blender::io::usd::populate_curve_props_for_nurbs(), blender::io::usd::populate_curve_verts(), blender::io::usd::populate_curve_verts_for_bezier(), position_tail_on_spline(), blender::io::usd::USDCurvesReader::read_curve_sample(), blender::ed::greasepencil::remove_points_and_split(), blender::ed::curves::select_mask_from_predicates(), set_up_beztriple_chain(), blender::ed::greasepencil::trim::trim_curve_segments(), update_cut_data_for_nurb(), and blender::write_stroke_transforms().

is_last_bezt()

static bool is_last_bezt ( const Nurb * nu, const BezTriple * bezt )

static

Definition at line 1085 of file editcurve_pen.cc.

References Nurb::bezt, is_cyclic(), and Nurb::pntsu.

Referenced by init_selected_bezt_handles().

is_spline_nearby()

static bool is_spline_nearby ( ViewContext * vc, wmOperator * op, const wmEvent * event, const float sel_dist )

static

Check if a spline segment is nearby.

Definition at line 1148 of file editcurve_pen.cc.

References CutData::bezt_index, MoveSegmentData::bezt_index, BKE_curve_editNurbs_get(), CU_BEZIER, wmOperator::customdata, Object::data, float, init_cut_data(), MEM_callocN, CurvePenData::msd, wmEvent::mval, MoveSegmentData::nu, CutData::nurb, ViewContext::obedit, CutData::parameter, wmOperator::ptr, RNA_boolean_get(), MoveSegmentData::t, Nurb::type, and update_cut_data_for_all_nurbs().

Referenced by curve_pen_invoke().

make_cyclic_if_endpoints()

static bool make_cyclic_if_endpoints ( const ViewContext * vc, Nurb * sel_nu, BezTriple * sel_bezt, BPoint * sel_bp )

static

Close the spline if endpoints are selected consecutively. Return true if cycle was created.

Definition at line 1385 of file editcurve_pen.cc.

References Nurb::bezt, Nurb::bp, CU_BEZIER, curve_toggle_cyclic(), Object::data, Curve::editnurb, ELEM, float, get_closest_vertex_to_point_in_nurbs(), ViewContext::mval, EditNurb::nurbs, ViewContext::obedit, object_editcurve_get(), Nurb::pntsu, Nurb::type, and ViewContext::v3d.

Referenced by curve_pen_invoke(), and curve_pen_modal().

move_adjacent_handle()

static void move_adjacent_handle ( const ViewContext * vc, const wmEvent * event, ListBase * nurbs )

static

Definition at line 1341 of file editcurve_pen.cc.

References BEZT_ISSEL_IDX, BKE_nurb_bezt_get_next(), BKE_nurb_bezt_get_prev(), BKE_nurb_handles_calc(), float, FOREACH_SELECTED_BEZT_BEGIN, FOREACH_SELECTED_BEZT_END, BezTriple::h1, BezTriple::h2, HD_FREE, move_bezt_handle_or_vertex_by_displacement(), wmEvent::prev_xy, sub_v2_v2v2_int(), and wmEvent::xy.

Referenced by curve_pen_modal().

move_all_selected_points()

static void move_all_selected_points ( const ViewContext * vc, const wmEvent * event, CurvePenData * cpd, ListBase * nurbs, const bool bezt_only )

static

Move all selected points by an amount equivalent to the distance moved by mouse.

Definition at line 368 of file editcurve_pen.cc.

References add_v2_v2v2(), BEZT_ISSEL_ANY, BEZT_ISSEL_IDX, BKE_nurb_handles_calc(), CU_BEZIER, BPoint::f1, float, CurvePenData::free_toggle, get_selected_center(), BezTriple::hide, BPoint::hide, len_v3v3(), CurvePenData::link_handles, LISTBASE_FOREACH, CurvePenData::lock_angle, move_bezt_handle_or_vertex_by_displacement(), move_bp_to_location(), CurvePenData::move_entire, wmEvent::mval, pos, wmEvent::prev_xy, remove_handle_movement_constraints(), screenspace_to_worldspace_int(), SELECT, sub_v2_v2v2(), BPoint::vec, worldspace_to_screenspace(), and wmEvent::xy.

Referenced by curve_pen_modal().

move_bezt_by_displacement()

static void move_bezt_by_displacement ( BezTriple * bezt, const float disp_3d[3] )

static

Definition at line 214 of file editcurve_pen.cc.

References add_v3_v3(), and BezTriple::vec.

Referenced by extrude_vertices_from_selected_endpoints(), and move_bezt_to_location().

move_bezt_handle_or_vertex_by_displacement()

static void move_bezt_handle_or_vertex_by_displacement ( const ViewContext * vc, BezTriple * bezt, const int bezt_idx, const float disp_2d[2], const float distance, const bool link_handles, const bool lock_angle )

static

Definition at line 256 of file editcurve_pen.cc.

References add_v2_v2v2(), add_v3_v3v3(), copy_v3_v3(), BezTriple::h1, BezTriple::h2, HD_ALIGN, len_v3v3(), move_bezt_to_location(), normalize_v3_length(), pos, screenspace_to_worldspace(), sub_v3_v3v3(), BezTriple::vec, and worldspace_to_screenspace().

Referenced by move_adjacent_handle(), and move_all_selected_points().

move_bezt_to_location()

static void move_bezt_to_location ( BezTriple * bezt, const float location[3] )

static

Move entire control point to given worldspace location.

Definition at line 224 of file editcurve_pen.cc.

References move_bezt_by_displacement(), sub_v3_v3v3(), and BezTriple::vec.

Referenced by move_bezt_handle_or_vertex_by_displacement().

move_bp_to_location()

static void move_bp_to_location ( const ViewContext * vc, BPoint * bp, const float mval[2] )

static

Definition at line 300 of file editcurve_pen.cc.

References copy_v3_v3(), screenspace_to_worldspace(), and BPoint::vec.

Referenced by move_all_selected_points().

move_segment()

static void move_segment ( const ViewContext * vc, MoveSegmentData * seg_data, const wmEvent * event )

static

Definition at line 1175 of file editcurve_pen.cc.

References add_v3_v3v3(), Nurb::bezt, MoveSegmentData::bezt_index, BKE_nurb_bezt_get_next(), get_bezier_interpolated_point(), BezTriple::h1, BezTriple::h2, HD_ALIGN, BezTriple::hide, len_v3v3(), max_ff(), min_ff(), mul_v3_fl(), wmEvent::mval, normalize_v3_length(), MoveSegmentData::nu, remove_handle_movement_constraints(), screenspace_to_worldspace_int(), sub_v3_v3v3(), MoveSegmentData::t, and BezTriple::vec.

Referenced by curve_pen_modal().

remove_handle_movement_constraints()

static void remove_handle_movement_constraints ( BezTriple * bezt, const bool f1, const bool f3 )

static

Alter handle types to allow free movement (Set handles to #FREE or #ALIGN).

Definition at line 234 of file editcurve_pen.cc.

References BezTriple::h1, BezTriple::h2, HD_ALIGN, HD_AUTO, HD_FREE, and HD_VECT.

Referenced by move_all_selected_points(), and move_segment().

screenspace_to_worldspace()

static void screenspace_to_worldspace ( const ViewContext * vc, const float pos_2d[2], const float depth[3], float r_pos_3d[3] )

static

Definition at line 186 of file editcurve_pen.cc.

References ED_view3d_win_to_3d(), mul_v3_m4v3(), ViewContext::obedit, ViewContext::region, update_location_for_2d_curve(), and ViewContext::v3d.

Referenced by move_bezt_handle_or_vertex_by_displacement(), move_bp_to_location(), and screenspace_to_worldspace_int().

screenspace_to_worldspace_int()

static void screenspace_to_worldspace_int ( const ViewContext * vc, const int pos_2d[2], const float depth[3], float r_pos_3d[3] )

static

Definition at line 196 of file editcurve_pen.cc.

References float, and screenspace_to_worldspace().

Referenced by move_all_selected_points(), and move_segment().

toggle_bezt_free_align_handles()

static void toggle_bezt_free_align_handles ( BezTriple * bezt )

static

Toggle between HD_FREE and HD_ALIGN handles of the given BezTriple

Definition at line 1269 of file editcurve_pen.cc.

References BezTriple::h1, BezTriple::h2, HD_ALIGN, and HD_FREE.

Referenced by curve_pen_modal(), and toggle_sel_bezt_free_align_handles().

toggle_handle_types()

static void toggle_handle_types ( BezTriple * bezt, int bezt_idx, CurvePenData * cpd )

static

Definition at line 1460 of file editcurve_pen.cc.

References CurvePenData::changed, BezTriple::h1, BezTriple::h2, HD_AUTO, HD_FREE, and HD_VECT.

Referenced by curve_pen_modal().

toggle_sel_bezt_free_align_handles()

static void toggle_sel_bezt_free_align_handles ( ListBase * nurbs )

static

Toggle between HD_FREE and HD_ALIGN handles of the all selected BezTriple

Definition at line 1282 of file editcurve_pen.cc.

References FOREACH_SELECTED_BEZT_BEGIN, FOREACH_SELECTED_BEZT_END, and toggle_bezt_free_align_handles().

Referenced by curve_pen_modal().

toggle_select_bezt()

static void toggle_select_bezt ( BezTriple * bezt, const int bezt_idx, Curve * cu, Nurb * nu )

static

Definition at line 1435 of file editcurve_pen.cc.

References BEZT_DESEL_IDX, BEZT_ISSEL_ANY, BEZT_ISSEL_IDX, BEZT_SEL_IDX, and BKE_curve_nurb_vert_active_set().

Referenced by curve_pen_modal().

toggle_select_bp()

static void toggle_select_bp ( BPoint * bp, Curve * cu, Nurb * nu )

static

Definition at line 1449 of file editcurve_pen.cc.

References BKE_curve_nurb_vert_active_set(), BPoint::f1, and SELECT.

Referenced by curve_pen_modal().

update_cut_data_for_all_nurbs()

static bool update_cut_data_for_all_nurbs ( const ViewContext * vc, const ListBase * nurbs, const float point[2], const float sel_dist, CutData * cd )

static

Definition at line 819 of file editcurve_pen.cc.

References FLT_MAX, LISTBASE_FOREACH, CutData::min_dist, and update_cut_data_for_nurb().

Referenced by insert_point_to_segment(), and is_spline_nearby().

update_cut_data_for_nurb()

static void update_cut_data_for_nurb ( const ViewContext * vc, CutData * cd, Nurb * nu, const int resolu, const float point[2] )

static

Update CutData for a single Nurb.

Definition at line 750 of file editcurve_pen.cc.

References Nurb::bezt, CutData::bezt_index, BKE_curve_forward_diff_bezier(), Nurb::bp, CutData::bp_index, copy_v2_v2(), CU_BEZIER, get_updated_data_for_edge(), is_cyclic(), len_v2v2(), MEM_freeN(), MEM_mallocN, CutData::min_dist, min_i(), CutData::nurb, CutData::parameter, Nurb::pntsu, Nurb::type, BezTriple::vec, BPoint::vec, and worldspace_to_screenspace().

Referenced by insert_point_to_segment(), and update_cut_data_for_all_nurbs().

update_location_for_2d_curve()

static void update_location_for_2d_curve ( const ViewContext * vc, float location[3] )

static

Definition at line 143 of file editcurve_pen.cc.

References copy_v3_v3(), CU_IS_2D, Object::data, dot_v3v3(), ED_view3d_global_to_vector(), eps, fabsf, invert_m4_m4(), RegionView3D::is_persp, isect_ray_plane_v3_factor(), madd_v3_v3v3fl(), mul_m4_v3(), mul_project_m4_v3_zfac(), normalize_v3_v3(), ViewContext::obedit, RegionView3D::persmat, and ViewContext::rv3d.

Referenced by extrude_points_from_selected_vertices(), and screenspace_to_worldspace().

worldspace_to_screenspace()

static bool worldspace_to_screenspace ( const ViewContext * vc, const float pos_3d[3], float r_pos_2d[2] )

static

Definition at line 205 of file editcurve_pen.cc.

References ED_view3d_project_float_object(), ViewContext::region, V3D_PROJ_RET_OK, V3D_PROJ_TEST_CLIP_BB, and V3D_PROJ_TEST_CLIP_WIN.

Referenced by get_closest_vertex_to_point_in_nurbs(), move_all_selected_points(), move_bezt_handle_or_vertex_by_displacement(), and update_cut_data_for_nurb().

Variable Documentation

prop_close_spline_method

const EnumPropertyItem prop_close_spline_method[]

static

Initial value:

= {
    {OFF, "OFF", 0, "None", ""},
    {ON_PRESS, "ON_PRESS", 0, "On Press", "Move handles after closing the spline"},
    {ON_CLICK, "ON_CLICK", 0, "On Click", "Spline closes on release if not dragged"},
    {0, nullptr, 0, nullptr, nullptr},
}

Definition at line 136 of file editcurve_pen.cc.

Referenced by CURVE_OT_pen().

prop_handle_types

const EnumPropertyItem prop_handle_types[]

static

Initial value:

= {
    {HD_AUTO, "AUTO", 0, "Auto", ""},
    {HD_VECT, "VECTOR", 0, "Vector", ""},
    {0, nullptr, 0, nullptr, nullptr},
}

Definition at line 124 of file editcurve_pen.cc.

Referenced by CURVE_OT_pen().