diff options
Diffstat (limited to 'source/blender/draw/intern/draw_manager_text.c')
| -rw-r--r-- | source/blender/draw/intern/draw_manager_text.c | 349 |
1 files changed, 349 insertions, 0 deletions
diff --git a/source/blender/draw/intern/draw_manager_text.c b/source/blender/draw/intern/draw_manager_text.c index 6e06998f1cc..b6dab0b2077 100644 --- a/source/blender/draw/intern/draw_manager_text.c +++ b/source/blender/draw/intern/draw_manager_text.c @@ -24,6 +24,17 @@ #include "BLI_memiter.h" #include "BLI_math.h" +#include "BLI_string.h" + +#include "BKE_editmesh.h" +#include "BKE_global.h" +#include "BKE_unit.h" + +#include "DNA_mesh_types.h" +#include "DNA_object_types.h" +#include "DNA_scene_types.h" +#include "DNA_screen_types.h" +#include "DNA_view3d_types.h" #include "GPU_matrix.h" @@ -31,6 +42,7 @@ #include "ED_view3d.h" #include "UI_interface.h" +#include "UI_resources.h" #include "WM_api.h" #include "BLF_api.h" @@ -178,3 +190,340 @@ void DRW_text_cache_draw(DRWTextStore *dt, ARegion *ar) } } } + +/* Copied from drawobject.c */ +void DRW_text_edit_mesh_measure_stats(ARegion *ar, + View3D *v3d, + Object *ob, + const UnitSettings *unit) +{ + /* Do not use ascii when using non-default unit system, some unit chars are utf8 (micro, square, + * etc.). See bug #36090. + */ + struct DRWTextStore *dt = DRW_text_cache_ensure(); + const short txt_flag = DRW_TEXT_CACHE_GLOBALSPACE | (unit->system ? 0 : DRW_TEXT_CACHE_ASCII); + Mesh *me = ob->data; + BMEditMesh *em = me->edit_mesh; + float v1[3], v2[3], v3[3], vmid[3], fvec[3]; + char numstr[32]; /* Stores the measurement display text here */ + size_t numstr_len; + const char *conv_float; /* Use a float conversion matching the grid size */ + uchar col[4] = {0, 0, 0, 255}; /* color of the text to draw */ + float area; /* area of the face */ + float grid = unit->system ? unit->scale_length : v3d->grid; + const bool do_global = (v3d->flag & V3D_GLOBAL_STATS) != 0; + const bool do_moving = (G.moving & G_TRANSFORM_EDIT) != 0; + /* when 2 edge-info options are enabled, space apart */ + const bool do_edge_textpair = (v3d->overlay.edit_flag & V3D_OVERLAY_EDIT_EDGE_LEN) && + (v3d->overlay.edit_flag & V3D_OVERLAY_EDIT_EDGE_ANG); + const short edge_texpair_sep = (short)(5.0f * U.dpi_fac); + float clip_planes[4][4]; + /* allow for displaying shape keys and deform mods */ + BMIter iter; + + /* make the precision of the display value proportionate to the gridsize */ + + if (grid <= 0.01f) { + conv_float = "%.6g"; + } + else if (grid <= 0.1f) { + conv_float = "%.5g"; + } + else if (grid <= 1.0f) { + conv_float = "%.4g"; + } + else if (grid <= 10.0f) { + conv_float = "%.3g"; + } + else { + conv_float = "%.2g"; + } + + if (v3d->overlay.edit_flag & + (V3D_OVERLAY_EDIT_EDGE_LEN | V3D_OVERLAY_EDIT_EDGE_ANG | V3D_OVERLAY_EDIT_INDICES)) { + BoundBox bb; + const rcti rect = {0, ar->winx, 0, ar->winy}; + + ED_view3d_clipping_calc(&bb, clip_planes, ar, em->ob, &rect); + } + + if (v3d->overlay.edit_flag & V3D_OVERLAY_EDIT_EDGE_LEN) { + BMEdge *eed; + + UI_GetThemeColor3ubv(TH_DRAWEXTRA_EDGELEN, col); + + BM_ITER_MESH (eed, &iter, em->bm, BM_EDGES_OF_MESH) { + /* draw selected edges, or edges next to selected verts while dragging */ + if (BM_elem_flag_test(eed, BM_ELEM_SELECT) || + (do_moving && (BM_elem_flag_test(eed->v1, BM_ELEM_SELECT) || + BM_elem_flag_test(eed->v2, BM_ELEM_SELECT)))) { + float v1_clip[3], v2_clip[3]; + + copy_v3_v3(v1, eed->v1->co); + copy_v3_v3(v2, eed->v2->co); + + if (clip_segment_v3_plane_n(v1, v2, clip_planes, 4, v1_clip, v2_clip)) { + + mid_v3_v3v3(vmid, v1_clip, v2_clip); + mul_m4_v3(ob->obmat, vmid); + + if (do_global) { + mul_mat3_m4_v3(ob->obmat, v1); + mul_mat3_m4_v3(ob->obmat, v2); + } + + if (unit->system) { + numstr_len = bUnit_AsString2(numstr, + sizeof(numstr), + len_v3v3(v1, v2) * unit->scale_length, + 3, + B_UNIT_LENGTH, + unit, + false); + } + else { + numstr_len = BLI_snprintf_rlen(numstr, sizeof(numstr), conv_float, len_v3v3(v1, v2)); + } + + DRW_text_cache_add(dt, + vmid, + numstr, + numstr_len, + 0, + (do_edge_textpair) ? edge_texpair_sep : 0, + txt_flag, + col); + } + } + } + } + + if (v3d->overlay.edit_flag & V3D_OVERLAY_EDIT_EDGE_ANG) { + const bool is_rad = (unit->system_rotation == USER_UNIT_ROT_RADIANS); + BMEdge *eed; + + UI_GetThemeColor3ubv(TH_DRAWEXTRA_EDGEANG, col); + + BM_ITER_MESH (eed, &iter, em->bm, BM_EDGES_OF_MESH) { + BMLoop *l_a, *l_b; + if (BM_edge_loop_pair(eed, &l_a, &l_b)) { + /* Draw selected edges, or edges next to selected verts while dragging. */ + if (BM_elem_flag_test(eed, BM_ELEM_SELECT) || + (do_moving && (BM_elem_flag_test(eed->v1, BM_ELEM_SELECT) || + BM_elem_flag_test(eed->v2, BM_ELEM_SELECT) || + /* Special case, this is useful to show when verts connected + * to this edge via a face are being transformed. */ + BM_elem_flag_test(l_a->next->next->v, BM_ELEM_SELECT) || + BM_elem_flag_test(l_a->prev->v, BM_ELEM_SELECT) || + BM_elem_flag_test(l_b->next->next->v, BM_ELEM_SELECT) || + BM_elem_flag_test(l_b->prev->v, BM_ELEM_SELECT)))) { + float v1_clip[3], v2_clip[3]; + + copy_v3_v3(v1, eed->v1->co); + copy_v3_v3(v2, eed->v2->co); + + if (clip_segment_v3_plane_n(v1, v2, clip_planes, 4, v1_clip, v2_clip)) { + float no_a[3], no_b[3]; + float angle; + + mid_v3_v3v3(vmid, v1_clip, v2_clip); + mul_m4_v3(ob->obmat, vmid); + + copy_v3_v3(no_a, l_a->f->no); + copy_v3_v3(no_b, l_b->f->no); + + if (do_global) { + mul_mat3_m4_v3(ob->imat, no_a); + mul_mat3_m4_v3(ob->imat, no_b); + normalize_v3(no_a); + normalize_v3(no_b); + } + + angle = angle_normalized_v3v3(no_a, no_b); + + numstr_len = BLI_snprintf_rlen(numstr, + sizeof(numstr), + "%.3f%s", + (is_rad) ? angle : RAD2DEGF(angle), + (is_rad) ? "r" : "°"); + + DRW_text_cache_add(dt, + vmid, + numstr, + numstr_len, + 0, + (do_edge_textpair) ? -edge_texpair_sep : 0, + txt_flag, + col); + } + } + } + } + } + + if (v3d->overlay.edit_flag & V3D_OVERLAY_EDIT_FACE_AREA) { + /* would be nice to use BM_face_calc_area, but that is for 2d faces + * so instead add up tessellation triangle areas */ + + UI_GetThemeColor3ubv(TH_DRAWEXTRA_FACEAREA, col); + + int i, n, numtri; + BMFace *f = NULL; + BM_ITER_MESH_INDEX (f, &iter, em->bm, BM_FACES_OF_MESH, i) { + if (BM_elem_flag_test(f, BM_ELEM_SELECT)) { + n = 0; + numtri = f->len - 2; + area = 0; + zero_v3(vmid); + BMLoop *(*l)[3] = &em->looptris[poly_to_tri_count(i, BM_elem_index_get(f->l_first))]; + for (int j = 0; j < numtri; j++) { + copy_v3_v3(v1, l[j][0]->v->co); + copy_v3_v3(v2, l[j][1]->v->co); + copy_v3_v3(v3, l[j][2]->v->co); + + add_v3_v3(vmid, v1); + add_v3_v3(vmid, v2); + add_v3_v3(vmid, v3); + n += 3; + + if (do_global) { + mul_mat3_m4_v3(ob->obmat, v1); + mul_mat3_m4_v3(ob->obmat, v2); + mul_mat3_m4_v3(ob->obmat, v3); + } + + area += area_tri_v3(v1, v2, v3); + } + + mul_v3_fl(vmid, 1.0f / (float)n); + mul_m4_v3(ob->obmat, vmid); + + if (unit->system) { + numstr_len = bUnit_AsString2(numstr, + sizeof(numstr), + (double)(area * unit->scale_length * unit->scale_length), + 3, + B_UNIT_AREA, + unit, + false); + } + else { + numstr_len = BLI_snprintf_rlen(numstr, sizeof(numstr), conv_float, area); + } + + DRW_text_cache_add(dt, vmid, numstr, numstr_len, 0, 0, txt_flag, col); + } + } + } + + if (v3d->overlay.edit_flag & V3D_OVERLAY_EDIT_FACE_ANG) { + BMFace *efa; + const bool is_rad = (unit->system_rotation == USER_UNIT_ROT_RADIANS); + + UI_GetThemeColor3ubv(TH_DRAWEXTRA_FACEANG, col); + + BM_ITER_MESH (efa, &iter, em->bm, BM_FACES_OF_MESH) { + const bool is_face_sel = BM_elem_flag_test_bool(efa, BM_ELEM_SELECT); + + if (is_face_sel || do_moving) { + BMIter liter; + BMLoop *loop; + bool is_first = true; + + BM_ITER_ELEM (loop, &liter, efa, BM_LOOPS_OF_FACE) { + if (is_face_sel || (do_moving && (BM_elem_flag_test(loop->v, BM_ELEM_SELECT) || + BM_elem_flag_test(loop->prev->v, BM_ELEM_SELECT) || + BM_elem_flag_test(loop->next->v, BM_ELEM_SELECT)))) { + float v2_local[3]; + + /* lazy init center calc */ + if (is_first) { + BM_face_calc_center_bounds(efa, vmid); + is_first = false; + } + copy_v3_v3(v1, loop->prev->v->co); + copy_v3_v3(v2, loop->v->co); + copy_v3_v3(v3, loop->next->v->co); + + copy_v3_v3(v2_local, v2); + + if (do_global) { + mul_mat3_m4_v3(ob->obmat, v1); + mul_mat3_m4_v3(ob->obmat, v2); + mul_mat3_m4_v3(ob->obmat, v3); + } + + float angle = angle_v3v3v3(v1, v2, v3); + + numstr_len = BLI_snprintf_rlen(numstr, + sizeof(numstr), + "%.3f%s", + (is_rad) ? angle : RAD2DEGF(angle), + (is_rad) ? "r" : "°"); + interp_v3_v3v3(fvec, vmid, v2_local, 0.8f); + mul_m4_v3(ob->obmat, fvec); + DRW_text_cache_add(dt, fvec, numstr, numstr_len, 0, 0, txt_flag, col); + } + } + } + } + } + + /* This option is for mesh ops and addons debugging; only available in UI if Blender starts with + * --debug */ + if (v3d->overlay.edit_flag & V3D_OVERLAY_EDIT_INDICES) { + int i; + + /* For now, reuse an appropriate theme color */ + UI_GetThemeColor3ubv(TH_DRAWEXTRA_FACEANG, col); + + if (em->selectmode & SCE_SELECT_VERTEX) { + BMVert *v; + + BM_ITER_MESH_INDEX (v, &iter, em->bm, BM_VERTS_OF_MESH, i) { + if (BM_elem_flag_test(v, BM_ELEM_SELECT)) { + float vec[3]; + mul_v3_m4v3(vec, ob->obmat, v->co); + + numstr_len = BLI_snprintf_rlen(numstr, sizeof(numstr), "%d", i); + DRW_text_cache_add(dt, vec, numstr, numstr_len, 0, 0, txt_flag, col); + } + } + } + + if (em->selectmode & SCE_SELECT_EDGE) { + BMEdge *e; + + BM_ITER_MESH_INDEX (e, &iter, em->bm, BM_EDGES_OF_MESH, i) { + if (BM_elem_flag_test(e, BM_ELEM_SELECT)) { + float v1_clip[3], v2_clip[3]; + + copy_v3_v3(v1, e->v1->co); + copy_v3_v3(v2, e->v2->co); + + if (clip_segment_v3_plane_n(v1, v2, clip_planes, 4, v1_clip, v2_clip)) { + mid_v3_v3v3(vmid, v1_clip, v2_clip); + mul_m4_v3(ob->obmat, vmid); + + numstr_len = BLI_snprintf_rlen(numstr, sizeof(numstr), "%d", i); + DRW_text_cache_add(dt, vmid, numstr, numstr_len, 0, 0, txt_flag, col); + } + } + } + } + + if (em->selectmode & SCE_SELECT_FACE) { + BMFace *f; + + BM_ITER_MESH_INDEX (f, &iter, em->bm, BM_FACES_OF_MESH, i) { + if (BM_elem_flag_test(f, BM_ELEM_SELECT)) { + BM_face_calc_center_median(f, v1); + mul_m4_v3(ob->obmat, v1); + + numstr_len = BLI_snprintf_rlen(numstr, sizeof(numstr), "%d", i); + DRW_text_cache_add(dt, v1, numstr, numstr_len, 0, 0, txt_flag, col); + } + } + } + } +}
\ No newline at end of file |