1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
|
/**
* $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 RegionView3D;
struct ViewContext;
struct bglMats;
struct BPoint;
struct Nurb;
struct BezTriple;
struct EditVert;
struct EditEdge;
struct EditFace;
struct ImBuf;
struct Scene;
struct bContext;
/* for derivedmesh drawing callbacks, for view3d_select, .... */
typedef struct ViewContext {
Scene *scene;
Object *obact;
Object *obedit;
struct ARegion *ar;
struct View3D *v3d;
struct RegionView3D *rv3d;
struct EditMesh *em;
short mval[2];
} ViewContext;
typedef struct ViewDepths {
unsigned short w, h;
float *depths;
double depth_range[2];
char damaged;
} ViewDepths;
float *give_cursor(struct Scene *scene, struct View3D *v3d);
void initgrabz(struct RegionView3D *rv3d, float x, float y, float z);
void window_to_3d(struct ARegion *ar, float *vec, short mx, short my);
void window_to_3d_delta(struct ARegion *ar, float *vec, short mx, short my);
void view3d_unproject(struct bglMats *mats, float out[3], const short x, const short y, const float z);
/* Depth buffer */
float read_cached_depth(struct ViewContext *vc, int x, int y);
void request_depth_update(struct RegionView3D *rv3d);
/* Projection */
#define IS_CLIPPED 12000
void project_short(struct ARegion *ar, float *vec, short *adr);
void project_short_noclip(struct ARegion *ar, float *vec, short *adr);
void project_int(struct ARegion *ar, float *vec, int *adr);
void project_int_noclip(struct ARegion *ar, float *vec, int *adr);
void project_float(struct ARegion *ar, float *vec, float *adr);
void project_float_noclip(struct ARegion *ar, 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]);
int get_view3d_viewplane(struct View3D *v3d, struct RegionView3D *rv3d, int winxi, int winyi, rctf *viewplane, float *clipsta, float *clipend, float *pixsize);
int get_view3d_ortho(struct View3D *v3d, struct RegionView3D *rv3d);
void view3d_get_object_project_mat(struct RegionView3D *v3d, struct Object *ob, float pmat[4][4]);
void view3d_project_float(struct ARegion *a, float *vec, float *adr, float mat[4][4]);
/* 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 RegionView3D *rv3d, float *vec);
void view3d_align_axis_to_vector(struct View3D *v3d, struct RegionView3D *rv3d, int axisidx, float vec[3]);
void drawcircball(int mode, float *cent, float rad, float tmat[][4]);
/* backbuffer select and draw support */
void view3d_validate_backbuf(struct ViewContext *vc);
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,
void *handle, unsigned int (*indextest)(void *handle, unsigned int index));
unsigned int view3d_sample_backbuf(struct ViewContext *vc, int x, int y);
int view_autodist(struct Scene *scene, struct ARegion *ar, struct View3D *v3d, short *mval, float mouse_worldloc[3]);
/* select */
#define MAXPICKBUF 10000
short view3d_opengl_select(struct ViewContext *vc, unsigned int *buffer, unsigned int bufsize, rcti *input);
void view3d_set_viewcontext(struct bContext *C, struct ViewContext *vc);
void view3d_operator_needs_opengl(const struct bContext *C);
void view3d_get_view_aligned_coordinate(struct ViewContext *vc, float *fp, short mval[2]);
void view3d_get_transformation(struct ViewContext *vc, struct Object *ob, struct bglMats *mats);
/* XXX should move to arithb.c */
int edge_inside_circle(short centx, short centy, short rad, short x1, short y1, short x2, short y2);
int lasso_inside(short mcords[][2], short moves, short sx, short sy);
int lasso_inside_edge(short mcords[][2], short moves, int x0, int y0, int x1, int y1);
/* get 3d region from context, also if mouse is in header or toolbar */
struct RegionView3D *ED_view3d_context_rv3d(struct bContext *C);
#endif /* ED_VIEW3D_H */
|
