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/**
* $Id:
*
* ***** BEGIN GPL LICENSE BLOCK *****
*
* 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 the Free Software Foundation,
* Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
* The Original Code is Copyright (C) 2008 Blender Foundation.
* All rights reserved.
*
*
* Contributor(s): Blender Foundation
*
* ***** END GPL LICENSE BLOCK *****
*/
#ifndef ED_VIEW3D_H
#define ED_VIEW3D_H
/* ********* exports for space_view3d/ module ********** */
struct ARegion;
struct View3D;
struct ViewContext;
struct BPoint;
struct Nurb;
struct BezTriple;
struct EditVert;
struct EditEdge;
struct EditFace;
struct ImBuf;
float *give_cursor(Scene *scene, View3D *v3d);
void initgrabz(struct View3D *v3d, float x, float y, float z);
void window_to_3d(struct ARegion *ar, struct View3D *v3d, float *vec, short mx, short my);
/* Projection */
void project_short(struct ARegion *ar, struct View3D *v3d, float *vec, short *adr);
void project_short_noclip(struct ARegion *ar, struct View3D *v3d, float *vec, short *adr);
void project_int(struct ARegion *ar, struct View3D *v3d, float *vec, int *adr);
void project_int_noclip(struct ARegion *ar, struct View3D *v3d, float *vec, int *adr);
void project_float(struct ARegion *ar, struct View3D *v3d, float *vec, float *adr);
void project_float_noclip(struct ARegion *ar, struct View3D *v3d, float *vec, float *adr);
void viewline(struct ARegion *ar, struct View3D *v3d, short mval[2], float ray_start[3], float ray_end[3]);
void viewray(struct ARegion *ar, struct View3D *v3d, short mval[2], float ray_start[3], float ray_normal[3]);
/* drawobject.c itterators */
void mesh_foreachScreenVert(struct ViewContext *vc, void (*func)(void *userData, struct EditVert *eve, int x, int y, int index), void *userData, int clipVerts);
void mesh_foreachScreenEdge(struct ViewContext *vc, void (*func)(void *userData, struct EditEdge *eed, int x0, int y0, int x1, int y1, int index), void *userData, int clipVerts);
void mesh_foreachScreenFace(struct ViewContext *vc, void (*func)(void *userData, struct EditFace *efa, int x, int y, int index), void *userData);
void nurbs_foreachScreenVert(struct ViewContext *vc, void (*func)(void *userData, struct Nurb *nu, struct BPoint *bp, struct BezTriple *bezt, int beztindex, int x, int y), void *userData);
void lattice_foreachScreenVert(struct ViewContext *vc, void (*func)(void *userData, struct BPoint *bp, int x, int y), void *userData);
int view3d_test_clipping(struct View3D *v3d, float *vec);
void view3d_align_axis_to_vector(struct View3D *v3d, int axisidx, float vec[3]);
/* backbuffer select and draw support */
struct ImBuf *view3d_read_backbuf(struct ViewContext *vc, short xmin, short ymin, short xmax, short ymax);
unsigned int view3d_sample_backbuf_rect(struct ViewContext *vc, short mval[2], int size, unsigned int min, unsigned int max, int *dist, short strict, unsigned int (*indextest)(unsigned int index));
unsigned int view3d_sample_backbuf(struct ViewContext *vc, int x, int y);
#endif /* ED_VIEW3D_H */
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