Differential D6807 Diff 22906 source/blender/blenkernel/BKE_curve.h

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source/blender/blenkernel/BKE_curve.h

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	*/	*/
	#ifndef __BKE_CURVE_H__	#ifndef __BKE_CURVE_H__
	#define __BKE_CURVE_H__	#define __BKE_CURVE_H__
		#include "DNA_listBase.h"
	/** \file	/** \file
	* \ingroup bke	* \ingroup bke
	*/	*/
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	struct Path;	struct Path;
	struct TextBox;	struct TextBox;
	struct rctf;	struct rctf;
		struct BPoint;
		struct NurbTrim;
		struct NurbEditKnot;
		struct GridMesh;
		struct DispList;

	typedef int eBezTriple_Flag__Alias;	typedef int eBezTriple_Flag__Alias;

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	bool switched;	bool switched;
	} CVKeyIndex;	} CVKeyIndex;

		#define NURBS_MAX_ORDER 10

		typedef struct BSplineCache {
		float u;
		int iu;
		float Nu[NURBS_MAX_ORDER][NURBS_MAX_ORDER];
		} BSplineCacheU;

	#define KNOTSU(nu) \	#define KNOTSU(nu) \
	((nu)->orderu + (nu)->pntsu + (((nu)->flagu & CU_NURB_CYCLIC) ? ((nu)->orderu - 1) : 0))	((nu)->orderu + (nu)->pntsu + (((nu)->flagu & CU_NURB_CYCLIC) ? ((nu)->orderu - 1) : 0))
	#define KNOTSV(nu) \	#define KNOTSV(nu) \
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	struct rctf *r_rect);	struct rctf *r_rect);

	/* Nurbs */	/* Nurbs */
		#ifdef __cplusplus
		#define DEFAULT_FALSE =false
		#define DEFAULT_NULL =NULL
		#else
		#define DEFAULT_FALSE
		#define DEFAULT_NULL
		#endif
		void BKE_bspline_knot_calc(int flags, int pnts, int order, float knots[]);
		int BKE_bspline_nz_basis_range(float u, float *knots, int num_pts, int order);
		void BKE_bspline_basis_eval(float u, int i, float *U, int num_knots, int order, int nd, float out[][NURBS_MAX_ORDER]);
		void BKE_bspline_curve_eval(float u, float U, int num_pts, int order, struct BPoint P, int stride, int nd, struct BPoint *out, bool premultiply_weight DEFAULT_FALSE);
		void BKE_nurbs_curve_eval(float u, float U, int num_pts, int order, struct BPoint P, int stride, int nd, struct BPoint *out);
		void BKE_bspline_surf_eval(float u,
		float v,
		int cyclic,
		int pntsu, int orderu, float *U,
		int pntsv, int orderv, float *V,
		struct BPoint P, int nd, struct BPoint out,
		bool premultiply_weights DEFAULT_FALSE, BSplineCacheU *ucache DEFAULT_NULL);
		void BKE_nurbs_surf_eval(float u,
		float v,
		int cyclicu,
		int cyclicv,
		int pntsu, int orderu, float *U,
		int pntsv, int orderv, float *V,
		struct BPoint *P,
		int nd,
		struct BPoint *out,
		BSplineCacheU *ucache DEFAULT_NULL);

		struct NurbEditKnot* BKE_nurbs_editKnot_get(struct Nurb nu); / Creates editknot if necessary */
		void BKE_nurbs_editKnot_propagate_ek2nurb(struct Nurb *nu);
		void BKE_nurbs_editKnot_propagate_nurb2ek(struct Nurb *nu);
		void BKE_nurbs_editKnot_destroy(struct Nurb *nu);

	bool BKE_nurbList_index_get_co(struct ListBase *editnurb, const int index, float r_co[3]);	bool BKE_nurbList_index_get_co(struct ListBase *editnurb, const int index, float r_co[3]);

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	void BKE_nurbList_handles_autocalc(ListBase *editnurb, int flag);	void BKE_nurbList_handles_autocalc(ListBase *editnurb, int flag);
	void BKE_nurbList_flag_set(ListBase *editnurb, short flag);	void BKE_nurbList_flag_set(ListBase *editnurb, short flag);

		void BKE_nurbTrim_free(struct NurbTrim *nt);
		struct NurbTrim BKE_nurbTrim_duplicate(struct NurbTrim nt);
		int BKE_nurbTrim_tess(struct NurbTrim nt, float (*uv)[2]); // Returns: # verts in uv
		void BKE_nurbTrim_update_data(struct NurbTrim *nt);

	void BKE_nurb_free(struct Nurb *nu);	void BKE_nurb_free(struct Nurb *nu);
	struct Nurb BKE_nurb_duplicate(const struct Nurb nu);	struct Nurb BKE_nurb_duplicate(const struct Nurb nu);
	struct Nurb BKE_nurb_copy(struct Nurb src, int pntsu, int pntsv);	struct Nurb BKE_nurb_copy(struct Nurb src, int pntsu, int pntsv);

	void BKE_nurb_test_2d(struct Nurb *nu);	void BKE_nurb_ensure_2d(struct Nurb *nu);
	void BKE_nurb_minmax(struct Nurb *nu, bool use_radius, float min[3], float max[3]);	void BKE_nurb_minmax(struct Nurb *nu, bool use_radius, float min[3], float max[3]);
	float BKE_nurb_calc_length(const struct Nurb *nu, int resolution);	float BKE_nurb_calc_length(const struct Nurb *nu, int resolution);
		void BKE_nurbs_domain(struct Nurb nu, float umin, float umax, float vmin, float *vmax);
		void BKE_nurbs_uvbounds(struct Nurb nu, float umin, float umax, float vmin, float *vmax);
		void BKE_nurbs_printknots(struct Nurb *nu);

	void BKE_nurb_makeFaces(	void BKE_nurb_makeFaces(
	const struct Nurb nu, float coord_array, int rowstride, int resolu, int resolv);	const struct Nurb nu, float coord_array, int rowstride, int resolu, int resolv);
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	int resolu,	int resolu,
	int stride);	int stride);

		struct GridMesh BKE_nurb_compute_trimmed_GridMesh(struct Nurb nu);
		void BKE_nurb_compute_trimmed_UV_mesh(struct Nurb* nu);
		void BKE_nurbs_cached_UV_mesh_clear(struct Nurb* nu, bool free_mem);
		void BKE_nurb_make_displist(struct Nurb nurb, struct DispList dl);
		void BKE_surf_to_mesh(struct Main bmain, struct Object surf);

	unsigned int BKE_curve_calc_coords_axis_len(const unsigned int bezt_array_len,	unsigned int BKE_curve_calc_coords_axis_len(const unsigned int bezt_array_len,
	const unsigned int resolu,	const unsigned int resolu,
	const bool is_cyclic,	const bool is_cyclic,
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	const bool use_handle);	const bool use_handle);
	void BKE_nurb_handles_test(struct Nurb *nu, const bool use_handles);	void BKE_nurb_handles_test(struct Nurb *nu, const bool use_handles);


	/* ** Depsgraph evaluation ** */	/* ** Depsgraph evaluation ** */

	void BKE_curve_eval_geometry(struct Depsgraph depsgraph, struct Curve curve);	void BKE_curve_eval_geometry(struct Depsgraph depsgraph, struct Curve curve);
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