diff options
Diffstat (limited to 'source/blender/editors/interface/interface_eyedropper_depth.c')
| -rw-r--r-- | source/blender/editors/interface/interface_eyedropper_depth.c | 381 |
1 files changed, 0 insertions, 381 deletions
diff --git a/source/blender/editors/interface/interface_eyedropper_depth.c b/source/blender/editors/interface/interface_eyedropper_depth.c deleted file mode 100644 index 3c6f127582a..00000000000 --- a/source/blender/editors/interface/interface_eyedropper_depth.c +++ /dev/null @@ -1,381 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0-or-later - * Copyright 2009 Blender Foundation. All rights reserved. */ - -/** \file - * \ingroup edinterface - * - * This file defines an eyedropper for picking 3D depth value (primary use is depth-of-field). - * - * Defines: - * - #UI_OT_eyedropper_depth - */ - -#include "MEM_guardedalloc.h" - -#include "DNA_camera_types.h" -#include "DNA_object_types.h" -#include "DNA_screen_types.h" -#include "DNA_space_types.h" -#include "DNA_view3d_types.h" - -#include "BLI_math_vector.h" -#include "BLI_string.h" - -#include "BKE_context.h" -#include "BKE_lib_id.h" -#include "BKE_screen.h" -#include "BKE_unit.h" - -#include "RNA_access.h" -#include "RNA_prototypes.h" - -#include "UI_interface.h" - -#include "WM_api.h" -#include "WM_types.h" - -#include "ED_screen.h" -#include "ED_space_api.h" -#include "ED_view3d.h" - -#include "interface_eyedropper_intern.h" -#include "interface_intern.h" - -/** - * \note #DepthDropper is only internal name to avoid confusion with other kinds of eye-droppers. - */ -typedef struct DepthDropper { - PointerRNA ptr; - PropertyRNA *prop; - bool is_undo; - - bool is_set; - float init_depth; /* For resetting on cancel. */ - - bool accum_start; /* Has mouse been pressed. */ - float accum_depth; - int accum_tot; - - ARegionType *art; - void *draw_handle_pixel; - int name_pos[2]; - char name[200]; -} DepthDropper; - -static void depthdropper_draw_cb(const struct bContext *UNUSED(C), - ARegion *UNUSED(region), - void *arg) -{ - DepthDropper *ddr = arg; - eyedropper_draw_cursor_text_region(ddr->name_pos, ddr->name); -} - -static int depthdropper_init(bContext *C, wmOperator *op) -{ - int index_dummy; - - SpaceType *st; - ARegionType *art; - - st = BKE_spacetype_from_id(SPACE_VIEW3D); - art = BKE_regiontype_from_id(st, RGN_TYPE_WINDOW); - - DepthDropper *ddr = MEM_callocN(sizeof(DepthDropper), __func__); - - uiBut *but = UI_context_active_but_prop_get(C, &ddr->ptr, &ddr->prop, &index_dummy); - - /* fallback to the active camera's dof */ - if (ddr->prop == NULL) { - RegionView3D *rv3d = CTX_wm_region_view3d(C); - if (rv3d && rv3d->persp == RV3D_CAMOB) { - View3D *v3d = CTX_wm_view3d(C); - if (v3d->camera && v3d->camera->data && - BKE_id_is_editable(CTX_data_main(C), v3d->camera->data)) { - Camera *camera = (Camera *)v3d->camera->data; - RNA_pointer_create(&camera->id, &RNA_CameraDOFSettings, &camera->dof, &ddr->ptr); - ddr->prop = RNA_struct_find_property(&ddr->ptr, "focus_distance"); - ddr->is_undo = true; - } - } - } - else { - ddr->is_undo = UI_but_flag_is_set(but, UI_BUT_UNDO); - } - - if ((ddr->ptr.data == NULL) || (ddr->prop == NULL) || - (RNA_property_editable(&ddr->ptr, ddr->prop) == false) || - (RNA_property_type(ddr->prop) != PROP_FLOAT)) { - MEM_freeN(ddr); - return false; - } - op->customdata = ddr; - - ddr->art = art; - ddr->draw_handle_pixel = ED_region_draw_cb_activate( - art, depthdropper_draw_cb, ddr, REGION_DRAW_POST_PIXEL); - ddr->init_depth = RNA_property_float_get(&ddr->ptr, ddr->prop); - - return true; -} - -static void depthdropper_exit(bContext *C, wmOperator *op) -{ - WM_cursor_modal_restore(CTX_wm_window(C)); - - if (op->customdata) { - DepthDropper *ddr = (DepthDropper *)op->customdata; - - if (ddr->art) { - ED_region_draw_cb_exit(ddr->art, ddr->draw_handle_pixel); - } - - MEM_freeN(op->customdata); - - op->customdata = NULL; - } -} - -/* *** depthdropper id helper functions *** */ -/** - * \brief get the ID from the screen. - */ -static void depthdropper_depth_sample_pt(bContext *C, - DepthDropper *ddr, - const int m_xy[2], - float *r_depth) -{ - /* we could use some clever */ - bScreen *screen = CTX_wm_screen(C); - ScrArea *area = BKE_screen_find_area_xy(screen, SPACE_TYPE_ANY, m_xy); - Scene *scene = CTX_data_scene(C); - - ScrArea *area_prev = CTX_wm_area(C); - ARegion *region_prev = CTX_wm_region(C); - - ddr->name[0] = '\0'; - - if (area) { - if (area->spacetype == SPACE_VIEW3D) { - ARegion *region = BKE_area_find_region_xy(area, RGN_TYPE_WINDOW, m_xy); - if (region) { - struct Depsgraph *depsgraph = CTX_data_depsgraph_pointer(C); - View3D *v3d = area->spacedata.first; - RegionView3D *rv3d = region->regiondata; - /* weak, we could pass in some reference point */ - const float *view_co = v3d->camera ? v3d->camera->obmat[3] : rv3d->viewinv[3]; - const int mval[2] = {m_xy[0] - region->winrct.xmin, m_xy[1] - region->winrct.ymin}; - copy_v2_v2_int(ddr->name_pos, mval); - - float co[3]; - - CTX_wm_area_set(C, area); - CTX_wm_region_set(C, region); - - /* Unfortunately it's necessary to always draw otherwise we leave stale text. */ - ED_region_tag_redraw(region); - - view3d_operator_needs_opengl(C); - - if (ED_view3d_autodist(depsgraph, region, v3d, mval, co, true, NULL)) { - const float mval_center_fl[2] = {(float)region->winx / 2, (float)region->winy / 2}; - float co_align[3]; - - /* quick way to get view-center aligned point */ - ED_view3d_win_to_3d(v3d, region, co, mval_center_fl, co_align); - - *r_depth = len_v3v3(view_co, co_align); - - BKE_unit_value_as_string(ddr->name, - sizeof(ddr->name), - (double)*r_depth, - 4, - B_UNIT_LENGTH, - &scene->unit, - false); - } - else { - BLI_strncpy(ddr->name, "Nothing under cursor", sizeof(ddr->name)); - } - } - } - } - - CTX_wm_area_set(C, area_prev); - CTX_wm_region_set(C, region_prev); -} - -/* sets the sample depth RGB, maintaining A */ -static void depthdropper_depth_set(bContext *C, DepthDropper *ddr, const float depth) -{ - RNA_property_float_set(&ddr->ptr, ddr->prop, depth); - ddr->is_set = true; - RNA_property_update(C, &ddr->ptr, ddr->prop); -} - -/* set sample from accumulated values */ -static void depthdropper_depth_set_accum(bContext *C, DepthDropper *ddr) -{ - float depth = ddr->accum_depth; - if (ddr->accum_tot) { - depth /= (float)ddr->accum_tot; - } - depthdropper_depth_set(C, ddr, depth); -} - -/* single point sample & set */ -static void depthdropper_depth_sample(bContext *C, DepthDropper *ddr, const int m_xy[2]) -{ - float depth = -1.0f; - if (depth != -1.0f) { - depthdropper_depth_sample_pt(C, ddr, m_xy, &depth); - depthdropper_depth_set(C, ddr, depth); - } -} - -static void depthdropper_depth_sample_accum(bContext *C, DepthDropper *ddr, const int m_xy[2]) -{ - float depth = -1.0f; - depthdropper_depth_sample_pt(C, ddr, m_xy, &depth); - if (depth != -1.0f) { - ddr->accum_depth += depth; - ddr->accum_tot++; - } -} - -static void depthdropper_cancel(bContext *C, wmOperator *op) -{ - DepthDropper *ddr = op->customdata; - if (ddr->is_set) { - depthdropper_depth_set(C, ddr, ddr->init_depth); - } - depthdropper_exit(C, op); -} - -/* main modal status check */ -static int depthdropper_modal(bContext *C, wmOperator *op, const wmEvent *event) -{ - DepthDropper *ddr = (DepthDropper *)op->customdata; - - /* handle modal keymap */ - if (event->type == EVT_MODAL_MAP) { - switch (event->val) { - case EYE_MODAL_CANCEL: - depthdropper_cancel(C, op); - return OPERATOR_CANCELLED; - case EYE_MODAL_SAMPLE_CONFIRM: { - const bool is_undo = ddr->is_undo; - if (ddr->accum_tot == 0) { - depthdropper_depth_sample(C, ddr, event->xy); - } - else { - depthdropper_depth_set_accum(C, ddr); - } - depthdropper_exit(C, op); - /* Could support finished & undo-skip. */ - return is_undo ? OPERATOR_FINISHED : OPERATOR_CANCELLED; - } - case EYE_MODAL_SAMPLE_BEGIN: - /* enable accum and make first sample */ - ddr->accum_start = true; - depthdropper_depth_sample_accum(C, ddr, event->xy); - break; - case EYE_MODAL_SAMPLE_RESET: - ddr->accum_tot = 0; - ddr->accum_depth = 0.0f; - depthdropper_depth_sample_accum(C, ddr, event->xy); - depthdropper_depth_set_accum(C, ddr); - break; - } - } - else if (event->type == MOUSEMOVE) { - if (ddr->accum_start) { - /* button is pressed so keep sampling */ - depthdropper_depth_sample_accum(C, ddr, event->xy); - depthdropper_depth_set_accum(C, ddr); - } - } - - return OPERATOR_RUNNING_MODAL; -} - -/* Modal Operator init */ -static int depthdropper_invoke(bContext *C, wmOperator *op, const wmEvent *UNUSED(event)) -{ - /* init */ - if (depthdropper_init(C, op)) { - wmWindow *win = CTX_wm_window(C); - /* Workaround for de-activating the button clearing the cursor, see T76794 */ - UI_context_active_but_clear(C, win, CTX_wm_region(C)); - WM_cursor_modal_set(win, WM_CURSOR_EYEDROPPER); - - /* add temp handler */ - WM_event_add_modal_handler(C, op); - - return OPERATOR_RUNNING_MODAL; - } - return OPERATOR_CANCELLED; -} - -/* Repeat operator */ -static int depthdropper_exec(bContext *C, wmOperator *op) -{ - /* init */ - if (depthdropper_init(C, op)) { - /* cleanup */ - depthdropper_exit(C, op); - - return OPERATOR_FINISHED; - } - return OPERATOR_CANCELLED; -} - -static bool depthdropper_poll(bContext *C) -{ - PointerRNA ptr; - PropertyRNA *prop; - int index_dummy; - uiBut *but; - - /* check if there's an active button taking depth value */ - if ((CTX_wm_window(C) != NULL) && - (but = UI_context_active_but_prop_get(C, &ptr, &prop, &index_dummy)) && - (but->type == UI_BTYPE_NUM) && (prop != NULL)) { - if ((RNA_property_type(prop) == PROP_FLOAT) && - (RNA_property_subtype(prop) & PROP_UNIT_LENGTH) && - (RNA_property_array_check(prop) == false)) { - return true; - } - } - else { - RegionView3D *rv3d = CTX_wm_region_view3d(C); - if (rv3d && rv3d->persp == RV3D_CAMOB) { - View3D *v3d = CTX_wm_view3d(C); - if (v3d->camera && v3d->camera->data && - BKE_id_is_editable(CTX_data_main(C), v3d->camera->data)) { - return true; - } - } - } - - return false; -} - -void UI_OT_eyedropper_depth(wmOperatorType *ot) -{ - /* identifiers */ - ot->name = "Eyedropper Depth"; - ot->idname = "UI_OT_eyedropper_depth"; - ot->description = "Sample depth from the 3D view"; - - /* api callbacks */ - ot->invoke = depthdropper_invoke; - ot->modal = depthdropper_modal; - ot->cancel = depthdropper_cancel; - ot->exec = depthdropper_exec; - ot->poll = depthdropper_poll; - - /* flags */ - ot->flag = OPTYPE_UNDO | OPTYPE_BLOCKING | OPTYPE_INTERNAL; - - /* properties */ -} |