BKE_gpencil_curve.h File Reference

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Functions
void	BKE_gpencil_convert_curve (struct Main *bmain, struct Scene *scene, struct Object *ob_gp, struct Object *ob_cu, const bool use_collections, const float scale_thickness, const float sample)
struct bGPDcurve *	BKE_gpencil_stroke_editcurve_generate (struct bGPDstroke *gps, const float error_threshold, const float corner_angle, const float stroke_radius)
void	BKE_gpencil_stroke_editcurve_update (struct bGPdata *gpd, struct bGPDlayer *gpl, struct bGPDstroke *gps)
void	BKE_gpencil_editcurve_stroke_sync_selection (struct bGPdata *gpd, struct bGPDstroke *gps, struct bGPDcurve *gpc)
void	BKE_gpencil_stroke_editcurve_sync_selection (struct bGPdata *gpd, struct bGPDstroke *gps, struct bGPDcurve *gpc)
void	BKE_gpencil_strokes_selected_update_editcurve (struct bGPdata *gpd)
void	BKE_gpencil_strokes_selected_sync_selection_editcurve (struct bGPdata *gpd)
void	BKE_gpencil_stroke_update_geometry_from_editcurve (struct bGPDstroke *gps, const uint resolution, const bool is_adaptive)
void	BKE_gpencil_editcurve_recalculate_handles (struct bGPDstroke *gps)
void	BKE_gpencil_editcurve_subdivide (struct bGPDstroke *gps, const int cuts)

Function Documentation

BKE_gpencil_convert_curve()

void BKE_gpencil_convert_curve	(	Main *	bmain,
		Scene *	scene,
		Object *	ob_gp,
		Object *	ob_cu,
		const bool	use_collections,
		const float	scale_thickness,
		const float	sample
	)

Convert a curve object to grease pencil stroke.

Parameters

bmain	Main thread pointer
scene	Original scene.
ob_gp	Grease pencil object to add strokes.
ob_cu	Curve to convert.
use_collections	Create layers using collection names.
scale_thickness	Scale thickness factor.
sample	Sample distance, zero to disable.

Definition at line 491 of file gpencil_curve.c.

References Object::actcol, BKE_gpencil_layer_active_get(), BKE_gpencil_layer_addnew(), BKE_gpencil_layer_frame_get(), BKE_gpencil_layer_named_get(), BKE_gpencil_merge_materials(), BKE_object_material_slot_remove(), BKE_object_material_slot_used(), CFRA, Object::data, DATA_, DEG_id_tag_update(), ELEM, ListBase::first, GP_GETFRAME_ADD_COPY, gpencil_convert_spline(), gpencil_get_parent_collection(), Collection::id, Object::id, ID_RECALC_COPY_ON_WRITE, ID_RECALC_GEOMETRY, LISTBASE_FOREACH, ID::name, NULL, Curve::nurb, OB_GPENCIL, blender::compositor::sample(), scene, Object::totcol, and Object::type.

Referenced by object_convert_exec().

BKE_gpencil_editcurve_recalculate_handles()

void BKE_gpencil_editcurve_recalculate_handles

(

bGPDstroke *

gps

)

Recalculate the handles of the edit curve of a grease pencil stroke

Definition at line 1148 of file gpencil_curve.c.

References bGPDcurve_point::bezt, BKE_nurb_handle_calc(), bGPDcurve::curve_points, bGPDstroke::editcurve, bGPDcurve_point::flag, bGPDstroke::flag, GP_CURVE_POINT_SELECT, GP_STROKE_CYCLIC, GP_STROKE_NEEDS_CURVE_UPDATE, NULL, and bGPDcurve::tot_curve_points.

Referenced by BKE_gpencil_curve_delete_tagged_points(), createTransGPencil_curves(), gpencil_dissolve_selected_curve_points(), gpencil_editcurve_set_handle_type_exec(), gpencil_snap_to_grid(), gpencil_stroke_cyclical_set_exec(), gpencil_stroke_subdivide_exec(), and recalcData_gpencil_strokes().

BKE_gpencil_editcurve_stroke_sync_selection()

void BKE_gpencil_editcurve_stroke_sync_selection	(	struct bGPdata *	gpd,
		struct bGPDstroke *	gps,
		struct bGPDcurve *	gpc
	)

Referenced by gpencil_editmode_toggle_exec(), gpencil_stroke_enter_editcurve_mode_exec(), and gpencil_strokes_reproject_exec().

BKE_gpencil_editcurve_subdivide()

void BKE_gpencil_editcurve_subdivide	(	struct bGPDstroke *	gps,
		const int	cuts
	)

Definition at line 1274 of file gpencil_curve.c.

References bGPDcurve_point::bezt, BEZT_SEL_ALL, bGPDcurve::curve_points, bGPDstroke::editcurve, bGPDcurve_point::flag, bGPDstroke::flag, GP_CURVE_POINT_SELECT, GP_STROKE_CYCLIC, gpencil_editcurve_subdivide_count(), gpencil_editcurve_subdivide_curve_segment(), BezTriple::h1, BezTriple::h2, HD_ALIGN, MEM_callocN, MEM_freeN, NULL, and bGPDcurve::tot_curve_points.

Referenced by gpencil_stroke_subdivide_exec().

BKE_gpencil_stroke_editcurve_generate()

struct bGPDcurve* BKE_gpencil_stroke_editcurve_generate	(	bGPDstroke *	gps,
		const float	error_threshold,
		const float	corner_angle,
		const float	stroke_radius
	)

Creates a bGPDcurve by doing a cubic curve fitting on the grease pencil stroke points.

Definition at line 645 of file gpencil_curve.c.

References bGPDcurve_point::bezt, BKE_gpencil_stroke_editcurve_new(), bGPDstroke::boundbox_max, bGPDstroke::boundbox_min, COORD_FITTING_INFLUENCE, bGPDcurve::curve_points, bGPDstroke::flag, free(), GP_STROKE_CYCLIC, gpencil_stroke_editcurve_generate_edgecases(), BezTriple::h1, BezTriple::h2, HD_ALIGN, HD_FREE, len_v3v3(), madd_v3_v3v3fl(), MEM_callocN, MEM_freeN, mul_v3_v3fl(), mul_v4_v4fl(), NULL, POINT_DIM, bGPDcurve_point::point_index, bGPDstroke::points, bGPDspoint::pressure, bGPDcurve_point::pressure, r, bGPDspoint::strength, bGPDcurve_point::strength, sub_v3_v3v3(), bGPDstroke::totpoints, BezTriple::vec, bGPDspoint::vert_color, bGPDcurve_point::vert_color, and bGPDspoint::x.

Referenced by BKE_gpencil_stroke_editcurve_update().

BKE_gpencil_stroke_editcurve_sync_selection()

void BKE_gpencil_stroke_editcurve_sync_selection	(	bGPdata *	gpd,
		bGPDstroke *	gps,
		bGPDcurve *	gpc
	)

Sync the selection from editcurve to stroke

Definition at line 813 of file gpencil_curve.c.

References BKE_gpencil_stroke_select_index_reset(), BKE_gpencil_stroke_select_index_set(), bGPDcurve::curve_points, bGPDspoint::flag, bGPDcurve_point::flag, bGPDcurve::flag, bGPDstroke::flag, GP_CURVE_POINT_SELECT, GP_CURVE_SELECT, GP_SPOINT_SELECT, GP_STROKE_CYCLIC, GP_STROKE_SELECT, bGPDcurve_point::point_index, bGPDstroke::points, bGPDcurve::tot_curve_points, and bGPDstroke::totpoints.

Referenced by BKE_gpencil_strokes_selected_sync_selection_editcurve().

BKE_gpencil_stroke_editcurve_update()

void BKE_gpencil_stroke_editcurve_update	(	bGPdata *	gpd,
		bGPDlayer *	gpl,
		bGPDstroke *	gps
	)

Updates the editcurve for a stroke. Frees the old curve if one exists and generates a new one.

Definition at line 759 of file gpencil_curve.c.

References BKE_gpencil_free_stroke_editcurve(), BKE_gpencil_stroke_editcurve_generate(), bGPdata::curve_edit_corner_angle, bGPdata::curve_edit_threshold, bGPDstroke::editcurve, bGPDlayer::line_change, NULL, bGPdata::pixfactor, bGPDstroke::thickness, and bGPDstroke::totpoints.

Referenced by BKE_gpencil_strokes_selected_update_editcurve(), ED_gpencil_select_curve_toggle_all(), gpencil_editmode_toggle_exec(), gpencil_generic_stroke_select(), gpencil_select_exec(), gpencil_stroke_do_circle_sel(), gpencil_stroke_enter_editcurve_mode_exec(), and gpencil_strokes_reproject_exec().

BKE_gpencil_stroke_update_geometry_from_editcurve()

void BKE_gpencil_stroke_update_geometry_from_editcurve	(	bGPDstroke *	gps,
		const uint	resolution,
		const bool	adaptive
	)

Recalculate stroke points with the editcurve of the stroke.

Definition at line 1061 of file gpencil_curve.c.

References bGPDcurve_point::bezt, BKE_gpencil_stroke_select_index_reset(), copy_v3_v3(), copy_v4_v4(), bGPDcurve::curve_points, bGPDstroke::dvert, bGPDstroke::editcurve, bGPDspoint::flag, bGPDstroke::flag, float(), GP_SPOINT_SELECT, GP_STROKE_CYCLIC, GP_STROKE_SELECT, gpencil_stroke_points_from_editcurve_adaptive_resolu(), gpencil_stroke_points_from_editcurve_fixed_resolu(), MEM_freeN, MEM_recallocN, NULL, bGPDstroke::points, bGPDspoint::pressure, bGPDcurve_point::pressure, bGPDspoint::strength, bGPDcurve_point::strength, bGPDcurve::tot_curve_points, bGPDstroke::totpoints, BezTriple::vec, bGPDspoint::vert_color, bGPDcurve_point::vert_color, and bGPDspoint::x.

Referenced by BKE_gpencil_stroke_geometry_update().

BKE_gpencil_strokes_selected_sync_selection_editcurve()

void BKE_gpencil_strokes_selected_sync_selection_editcurve

(

struct bGPdata *

gpd

)

Definition at line 1394 of file gpencil_curve.c.

References BKE_gpencil_layer_is_editable(), BKE_gpencil_stroke_editcurve_sync_selection(), GP_FRAME_SELECT, GPENCIL_MULTIEDIT_SESSIONS_ON, bGPdata::layers, LISTBASE_FOREACH, bGPDframe::next, and NULL.

BKE_gpencil_strokes_selected_update_editcurve()

void BKE_gpencil_strokes_selected_update_editcurve

(

struct bGPdata *

gpd

)

Definition at line 1355 of file gpencil_curve.c.

References BKE_gpencil_editcurve_stroke_sync_selection(), BKE_gpencil_layer_is_editable(), BKE_gpencil_stroke_editcurve_update(), BKE_gpencil_stroke_geometry_update(), GP_CURVE_NEEDS_STROKE_UPDATE, GP_FRAME_SELECT, GP_STROKE_NEEDS_CURVE_UPDATE, GP_STROKE_SELECT, GPENCIL_MULTIEDIT_SESSIONS_ON, bGPdata::layers, LISTBASE_FOREACH, bGPDframe::next, and NULL.