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
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
|
/*
* $Id$
*
* ***** 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* The Original Code is Copyright (C) 2008 Blender Foundation.
* All rights reserved.
*
*
* Contributor(s): Blender Foundation
*
* ***** END GPL LICENSE BLOCK *****
*/
/** \file ED_view3d.h
* \ingroup editors
*/
#ifndef ED_VIEW3D_H
#define ED_VIEW3D_H
/* ********* exports for space_view3d/ module ********** */
struct ARegion;
struct bContext;
struct BezTriple;
struct bglMats;
struct BoundBox;
struct BPoint;
struct EditEdge;
struct EditFace;
struct EditVert;
struct ImBuf;
struct Main;
struct Nurb;
struct Object;
struct rcti;
struct RegionView3D;
struct Scene;
struct View3D;
struct ViewContext;
struct wmWindow;
/* for derivedmesh drawing callbacks, for view3d_select, .... */
typedef struct ViewContext {
struct Scene *scene;
struct Object *obact;
struct 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;
short x, y; /* only for temp use for sub-rects, added to ar->winx/y */
float *depths;
double depth_range[2];
char damaged;
} ViewDepths;
float *give_cursor(struct Scene *scene, struct View3D *v3d);
int 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 */
void view3d_update_depths(struct ARegion *ar);
float read_cached_depth(struct ViewContext *vc, int x, int y);
void request_depth_update(struct RegionView3D *rv3d);
/* Projection */
#define IS_CLIPPED 12000
void view3d_calculate_clipping(struct BoundBox *bb, float planes[4][4], struct bglMats *mats, struct rcti *rect);
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 viewvector(struct RegionView3D *rv3d, float coord[3], float vec[3]);
void viewline(struct ARegion *ar, struct View3D *v3d, float mval[2], float ray_start[3], float ray_end[3]);
void viewray(struct ARegion *ar, struct View3D *v3d, float mval[2], float ray_start[3], float ray_normal[3]);
int get_view3d_cliprange(struct View3D *v3d, struct RegionView3D *rv3d, float *clipsta, float *clipend);
int get_view3d_viewplane(struct View3D *v3d, struct RegionView3D *rv3d, int winxi, int winyi, struct 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]);
void view3d_calc_camera_border(struct Scene *scene, struct ARegion *ar, struct RegionView3D *rv3d, struct View3D *v3d, struct rctf *viewborder_r, short do_shift);
/* drawobject.c iterators */
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);
void ED_view3d_local_clipping(struct RegionView3D *rv3d, float mat[][4]);
int view3d_test_clipping(struct RegionView3D *rv3d, float *vec, int local);
void view3d_align_axis_to_vector(struct View3D *v3d, struct RegionView3D *rv3d, int axisidx, float vec[3]);
float view3d_pixel_size(struct RegionView3D *rv3d, const float co[3]);
void drawcircball(int mode, const float cent[3], 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);
/* draws and does a 4x4 sample */
int view_autodist(struct Scene *scene, struct ARegion *ar, struct View3D *v3d, short *mval, float mouse_worldloc[3]);
/* only draw so view_autodist_simple can be called many times after */
int view_autodist_init(struct Scene *scene, struct ARegion *ar, struct View3D *v3d, int mode);
int view_autodist_simple(struct ARegion *ar, short mval[2], float mouse_worldloc[3], int margin, float *force_depth);
int view_autodist_depth(struct ARegion *ar, short mval[2], int margin, float *depth);
int view_autodist_depth_segment(struct ARegion *ar, short mval_sta[2], short mval_end[2], int margin, float *depth);
/* 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_region_operator_needs_opengl(struct wmWindow *win, struct ARegion *ar);
void view3d_get_view_aligned_coordinate(struct ViewContext *vc, float *fp, short mval[2]);
void view3d_get_transformation(struct ARegion *ar, struct RegionView3D *rv3d, struct Object *ob, struct bglMats *mats);
/* XXX should move to BLI_math */
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);
void ED_view3d_init_mats_rv3d(struct Object *ob, struct RegionView3D *rv3d);
int ED_view3d_scene_layer_set(int lay, const int *values, int *active);
int ED_view3d_context_activate(struct bContext *C);
void ED_view3d_draw_offscreen(struct Scene *scene, struct View3D *v3d, struct ARegion *ar,
int winx, int winy, float viewmat[][4], float winmat[][4]);
struct ImBuf *ED_view3d_draw_offscreen_imbuf(struct Scene *scene, struct View3D *v3d, struct ARegion *ar, int sizex, int sizey, unsigned int flag, char err_out[256]);
struct ImBuf *ED_view3d_draw_offscreen_imbuf_simple(Scene *scene, int width, int height, unsigned int flag, int drawtype, char err_out[256]);
Base *ED_view3d_give_base_under_cursor(struct bContext *C, short *mval);
void ED_view3d_quadview_update(struct ScrArea *sa, struct ARegion *ar, short do_clip);
unsigned int ED_viewedit_datamask(struct bScreen *screen);
#endif /* ED_VIEW3D_H */
|