4 * ***** BEGIN GPL LICENSE BLOCK *****
6 * This program is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU General Public License
8 * as published by the Free Software Foundation; either version 2
9 * of the License, or (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software Foundation,
18 * Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
20 * The Original Code is Copyright (C) 2008 Blender Foundation.
21 * All rights reserved.
24 * Contributor(s): Blender Foundation
26 * ***** END GPL LICENSE BLOCK *****
31 /* ********* exports for space_view3d/ module ********** */
48 /* for derivedmesh drawing callbacks, for view3d_select, .... */
49 typedef struct ViewContext {
55 struct RegionView3D *rv3d;
60 typedef struct ViewDepths {
63 double depth_range[2];
69 float *give_cursor(struct Scene *scene, struct View3D *v3d);
71 void initgrabz(struct RegionView3D *rv3d, float x, float y, float z);
72 void window_to_3d(struct ARegion *ar, float *vec, short mx, short my);
73 void window_to_3d_delta(struct ARegion *ar, float *vec, short mx, short my);
74 void view3d_unproject(struct bglMats *mats, float out[3], const short x, const short y, const float z);
77 float read_cached_depth(struct ViewContext *vc, int x, int y);
78 void request_depth_update(struct RegionView3D *rv3d);
81 #define IS_CLIPPED 12000
83 void project_short(struct ARegion *ar, float *vec, short *adr);
84 void project_short_noclip(struct ARegion *ar, float *vec, short *adr);
86 void project_int(struct ARegion *ar, float *vec, int *adr);
87 void project_int_noclip(struct ARegion *ar, float *vec, int *adr);
89 void project_float(struct ARegion *ar, float *vec, float *adr);
90 void project_float_noclip(struct ARegion *ar, float *vec, float *adr);
92 void viewline(struct ARegion *ar, struct View3D *v3d, float mval[2], float ray_start[3], float ray_end[3]);
93 void viewray(struct ARegion *ar, struct View3D *v3d, float mval[2], float ray_start[3], float ray_normal[3]);
95 int get_view3d_viewplane(struct View3D *v3d, struct RegionView3D *rv3d, int winxi, int winyi, rctf *viewplane, float *clipsta, float *clipend, float *pixsize);
96 int get_view3d_ortho(struct View3D *v3d, struct RegionView3D *rv3d);
97 void view3d_get_object_project_mat(struct RegionView3D *v3d, struct Object *ob, float pmat[4][4]);
98 void view3d_project_float(struct ARegion *a, float *vec, float *adr, float mat[4][4]);
100 /* drawobject.c itterators */
101 void mesh_foreachScreenVert(struct ViewContext *vc, void (*func)(void *userData, struct EditVert *eve, int x, int y, int index), void *userData, int clipVerts);
102 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);
103 void mesh_foreachScreenFace(struct ViewContext *vc, void (*func)(void *userData, struct EditFace *efa, int x, int y, int index), void *userData);
104 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);
105 void lattice_foreachScreenVert(struct ViewContext *vc, void (*func)(void *userData, struct BPoint *bp, int x, int y), void *userData);
107 void ED_view3d_local_clipping(struct RegionView3D *rv3d, float mat[][4]);
108 int view3d_test_clipping(struct RegionView3D *rv3d, float *vec, int local);
109 void view3d_align_axis_to_vector(struct View3D *v3d, struct RegionView3D *rv3d, int axisidx, float vec[3]);
111 void drawcircball(int mode, float *cent, float rad, float tmat[][4]);
113 /* backbuffer select and draw support */
114 void view3d_validate_backbuf(struct ViewContext *vc);
115 struct ImBuf *view3d_read_backbuf(struct ViewContext *vc, short xmin, short ymin, short xmax, short ymax);
116 unsigned int view3d_sample_backbuf_rect(struct ViewContext *vc, short mval[2], int size, unsigned int min, unsigned int max, int *dist, short strict,
117 void *handle, unsigned int (*indextest)(void *handle, unsigned int index));
118 unsigned int view3d_sample_backbuf(struct ViewContext *vc, int x, int y);
120 int view_autodist(struct Scene *scene, struct ARegion *ar, struct View3D *v3d, short *mval, float mouse_worldloc[3]);
123 #define MAXPICKBUF 10000
124 short view3d_opengl_select(struct ViewContext *vc, unsigned int *buffer, unsigned int bufsize, rcti *input);
126 void view3d_set_viewcontext(struct bContext *C, struct ViewContext *vc);
127 void view3d_operator_needs_opengl(const struct bContext *C);
128 void view3d_get_view_aligned_coordinate(struct ViewContext *vc, float *fp, short mval[2]);
129 void view3d_get_transformation(struct ViewContext *vc, struct Object *ob, struct bglMats *mats);
131 /* XXX should move to arithb.c */
132 int edge_inside_circle(short centx, short centy, short rad, short x1, short y1, short x2, short y2);
133 int lasso_inside(short mcords[][2], short moves, short sx, short sy);
134 int lasso_inside_edge(short mcords[][2], short moves, int x0, int y0, int x1, int y1);
136 /* get 3d region from context, also if mouse is in header or toolbar */
137 struct RegionView3D *ED_view3d_context_rv3d(struct bContext *C);
139 void ED_view3d_init_mats_rv3d(struct Object *ob, struct RegionView3D *rv3d);
141 void ED_view3d_scene_layers_update(struct Main *bmain, struct Scene *scene);
143 int ED_view3d_context_activate(struct bContext *C);
144 void ED_view3d_draw_offscreen(struct Scene *scene, struct View3D *v3d, struct ARegion *ar,
145 int winx, int winy, float viewmat[][4], float winmat[][4]);
147 void view3d_clipping_local(struct RegionView3D *rv3d, float mat[][4]);
149 #endif /* ED_VIEW3D_H */