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blender-archive/source/blender/editors/space_image/space_image.c
Christoph Lendenfeld fdb2c24c09 Cleanup: move some drawing code into ed_draw.c 
Move some drawing code from `area.c` and `ed_util.c`  into `ed_draw.c`.
This is to support the new generic slider that wil be used in T81785.

No functional changes.

Reviewed By: #animation_rigging, #user_interface, Severin, sybren

Maniphest Tasks: T81785

Differential Revision: https://developer.blender.org/D9313
2021-03-01 16:23:15 +01:00

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/*
* 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.
*/
/** \file
* \ingroup spimage
*/
#include "DNA_gpencil_types.h"
#include "DNA_image_types.h"
#include "DNA_mask_types.h"
#include "DNA_object_types.h"
#include "DNA_scene_types.h"
#include "MEM_guardedalloc.h"
#include "BLI_blenlib.h"
#include "BLI_math.h"
#include "BLI_threads.h"
#include "BKE_colortools.h"
#include "BKE_context.h"
#include "BKE_image.h"
#include "BKE_lib_id.h"
#include "BKE_screen.h"
#include "RNA_access.h"
#include "RNA_define.h"
#include "RNA_enum_types.h"
#include "DEG_depsgraph.h"
#include "IMB_imbuf_types.h"
#include "ED_image.h"
#include "ED_mask.h"
#include "ED_node.h"
#include "ED_render.h"
#include "ED_screen.h"
#include "ED_space_api.h"
#include "ED_transform.h"
#include "ED_util.h"
#include "ED_uvedit.h"
#include "WM_api.h"
#include "WM_types.h"
#include "UI_interface.h"
#include "UI_resources.h"
#include "UI_view2d.h"
#include "DRW_engine.h"
#include "image_intern.h"
/**************************** common state *****************************/
static void image_scopes_tag_refresh(ScrArea *area)
{
SpaceImage *sima = (SpaceImage *)area->spacedata.first;
ARegion *region;
/* only while histogram is visible */
for (region = area->regionbase.first; region; region = region->next) {
if (region->regiontype == RGN_TYPE_TOOL_PROPS && region->flag & RGN_FLAG_HIDDEN) {
return;
}
}
sima->scopes.ok = 0;
}
static void image_user_refresh_scene(const bContext *C, SpaceImage *sima)
{
/* Update scene image user for acquiring render results. */
sima->iuser.scene = CTX_data_scene(C);
if (sima->image && sima->image->type == IMA_TYPE_R_RESULT) {
/* While rendering, prefer scene that is being rendered. */
Scene *render_scene = ED_render_job_get_current_scene(C);
if (render_scene) {
sima->iuser.scene = render_scene;
}
}
/* Auto switch image to show in UV editor when selection changes. */
ED_space_image_auto_set(C, sima);
}
/* ******************** default callbacks for image space ***************** */
static SpaceLink *image_create(const ScrArea *UNUSED(area), const Scene *UNUSED(scene))
{
ARegion *region;
SpaceImage *simage;
simage = MEM_callocN(sizeof(SpaceImage), "initimage");
simage->spacetype = SPACE_IMAGE;
simage->zoom = 1.0f;
simage->lock = true;
simage->flag = SI_SHOW_GPENCIL | SI_USE_ALPHA | SI_COORDFLOATS;
simage->uv_opacity = 1.0f;
simage->overlay.flag = SI_OVERLAY_SHOW_OVERLAYS;
BKE_imageuser_default(&simage->iuser);
simage->iuser.flag = IMA_SHOW_STEREO | IMA_ANIM_ALWAYS | IMA_SHOW_MAX_RESOLUTION;
BKE_scopes_new(&simage->scopes);
simage->sample_line_hist.height = 100;
simage->tile_grid_shape[0] = 1;
simage->tile_grid_shape[1] = 1;
/* tool header */
region = MEM_callocN(sizeof(ARegion), "tool header for image");
BLI_addtail(&simage->regionbase, region);
region->regiontype = RGN_TYPE_TOOL_HEADER;
region->alignment = (U.uiflag & USER_HEADER_BOTTOM) ? RGN_ALIGN_BOTTOM : RGN_ALIGN_TOP;
region->flag = RGN_FLAG_HIDDEN | RGN_FLAG_HIDDEN_BY_USER;
/* header */
region = MEM_callocN(sizeof(ARegion), "header for image");
BLI_addtail(&simage->regionbase, region);
region->regiontype = RGN_TYPE_HEADER;
region->alignment = (U.uiflag & USER_HEADER_BOTTOM) ? RGN_ALIGN_BOTTOM : RGN_ALIGN_TOP;
/* buttons/list view */
region = MEM_callocN(sizeof(ARegion), "buttons for image");
BLI_addtail(&simage->regionbase, region);
region->regiontype = RGN_TYPE_UI;
region->alignment = RGN_ALIGN_RIGHT;
region->flag = RGN_FLAG_HIDDEN;
/* scopes/uv sculpt/paint */
region = MEM_callocN(sizeof(ARegion), "buttons for image");
BLI_addtail(&simage->regionbase, region);
region->regiontype = RGN_TYPE_TOOLS;
region->alignment = RGN_ALIGN_LEFT;
region->flag = RGN_FLAG_HIDDEN;
/* main area */
region = MEM_callocN(sizeof(ARegion), "main area for image");
BLI_addtail(&simage->regionbase, region);
region->regiontype = RGN_TYPE_WINDOW;
return (SpaceLink *)simage;
}
/* not spacelink itself */
static void image_free(SpaceLink *sl)
{
SpaceImage *simage = (SpaceImage *)sl;
BKE_scopes_free(&simage->scopes);
}
/* spacetype; init callback, add handlers */
static void image_init(struct wmWindowManager *UNUSED(wm), ScrArea *area)
{
ListBase *lb = WM_dropboxmap_find("Image", SPACE_IMAGE, 0);
/* add drop boxes */
WM_event_add_dropbox_handler(&area->handlers, lb);
}
static SpaceLink *image_duplicate(SpaceLink *sl)
{
SpaceImage *simagen = MEM_dupallocN(sl);
/* clear or remove stuff from old */
BKE_scopes_new(&simagen->scopes);
return (SpaceLink *)simagen;
}
static void image_operatortypes(void)
{
WM_operatortype_append(IMAGE_OT_view_all);
WM_operatortype_append(IMAGE_OT_view_pan);
WM_operatortype_append(IMAGE_OT_view_selected);
WM_operatortype_append(IMAGE_OT_view_center_cursor);
WM_operatortype_append(IMAGE_OT_view_zoom);
WM_operatortype_append(IMAGE_OT_view_zoom_in);
WM_operatortype_append(IMAGE_OT_view_zoom_out);
WM_operatortype_append(IMAGE_OT_view_zoom_ratio);
WM_operatortype_append(IMAGE_OT_view_zoom_border);
#ifdef WITH_INPUT_NDOF
WM_operatortype_append(IMAGE_OT_view_ndof);
#endif
WM_operatortype_append(IMAGE_OT_new);
WM_operatortype_append(IMAGE_OT_open);
WM_operatortype_append(IMAGE_OT_match_movie_length);
WM_operatortype_append(IMAGE_OT_replace);
WM_operatortype_append(IMAGE_OT_reload);
WM_operatortype_append(IMAGE_OT_save);
WM_operatortype_append(IMAGE_OT_save_as);
WM_operatortype_append(IMAGE_OT_save_sequence);
WM_operatortype_append(IMAGE_OT_save_all_modified);
WM_operatortype_append(IMAGE_OT_pack);
WM_operatortype_append(IMAGE_OT_unpack);
WM_operatortype_append(IMAGE_OT_flip);
WM_operatortype_append(IMAGE_OT_invert);
WM_operatortype_append(IMAGE_OT_resize);
WM_operatortype_append(IMAGE_OT_cycle_render_slot);
WM_operatortype_append(IMAGE_OT_clear_render_slot);
WM_operatortype_append(IMAGE_OT_add_render_slot);
WM_operatortype_append(IMAGE_OT_remove_render_slot);
WM_operatortype_append(IMAGE_OT_sample);
WM_operatortype_append(IMAGE_OT_sample_line);
WM_operatortype_append(IMAGE_OT_curves_point_set);
WM_operatortype_append(IMAGE_OT_change_frame);
WM_operatortype_append(IMAGE_OT_read_viewlayers);
WM_operatortype_append(IMAGE_OT_render_border);
WM_operatortype_append(IMAGE_OT_clear_render_border);
WM_operatortype_append(IMAGE_OT_tile_add);
WM_operatortype_append(IMAGE_OT_tile_remove);
WM_operatortype_append(IMAGE_OT_tile_fill);
}
static void image_keymap(struct wmKeyConfig *keyconf)
{
WM_keymap_ensure(keyconf, "Image Generic", SPACE_IMAGE, 0);
WM_keymap_ensure(keyconf, "Image", SPACE_IMAGE, 0);
}
/* dropboxes */
static bool image_drop_poll(bContext *C,
wmDrag *drag,
const wmEvent *event,
const char **UNUSED(r_tooltip))
{
ScrArea *area = CTX_wm_area(C);
if (ED_region_overlap_isect_any_xy(area, &event->x)) {
return false;
}
if (drag->type == WM_DRAG_PATH) {
/* rule might not work? */
if (ELEM(drag->icon, 0, ICON_FILE_IMAGE, ICON_FILE_MOVIE, ICON_FILE_BLANK)) {
return true;
}
}
return false;
}
static void image_drop_copy(wmDrag *drag, wmDropBox *drop)
{
/* copy drag path to properties */
RNA_string_set(drop->ptr, "filepath", drag->path);
}
/* area+region dropbox definition */
static void image_dropboxes(void)
{
ListBase *lb = WM_dropboxmap_find("Image", SPACE_IMAGE, 0);
WM_dropbox_add(lb, "IMAGE_OT_open", image_drop_poll, image_drop_copy, NULL);
}
/**
* \note take care not to get into feedback loop here,
* calling composite job causes viewer to refresh.
*/
static void image_refresh(const bContext *C, ScrArea *area)
{
Scene *scene = CTX_data_scene(C);
SpaceImage *sima = area->spacedata.first;
Image *ima;
ima = ED_space_image(sima);
BKE_image_user_frame_calc(ima, &sima->iuser, scene->r.cfra);
/* check if we have to set the image from the editmesh */
if (ima && (ima->source == IMA_SRC_VIEWER && sima->mode == SI_MODE_MASK)) {
if (scene->nodetree) {
Mask *mask = ED_space_image_get_mask(sima);
if (mask) {
ED_node_composite_job(C, scene->nodetree, scene);
}
}
}
}
static void image_listener(const wmSpaceTypeListenerParams *params)
{
wmWindow *win = params->window;
ScrArea *area = params->area;
wmNotifier *wmn = params->notifier;
SpaceImage *sima = (SpaceImage *)area->spacedata.first;
/* context changes */
switch (wmn->category) {
case NC_WINDOW:
/* notifier comes from editing color space */
image_scopes_tag_refresh(area);
ED_area_tag_redraw(area);
break;
case NC_SCENE:
switch (wmn->data) {
case ND_FRAME:
image_scopes_tag_refresh(area);
ED_area_tag_refresh(area);
ED_area_tag_redraw(area);
break;
case ND_MODE:
if (wmn->subtype == NS_EDITMODE_MESH) {
ED_area_tag_refresh(area);
}
ED_area_tag_redraw(area);
break;
case ND_RENDER_RESULT:
case ND_RENDER_OPTIONS:
case ND_COMPO_RESULT:
if (ED_space_image_show_render(sima)) {
image_scopes_tag_refresh(area);
}
ED_area_tag_redraw(area);
break;
}
break;
case NC_IMAGE:
if (wmn->reference == sima->image || !wmn->reference) {
if (wmn->action != NA_PAINTING) {
image_scopes_tag_refresh(area);
ED_area_tag_refresh(area);
ED_area_tag_redraw(area);
}
}
break;
case NC_SPACE:
if (wmn->data == ND_SPACE_IMAGE) {
image_scopes_tag_refresh(area);
ED_area_tag_redraw(area);
}
break;
case NC_MASK: {
ViewLayer *view_layer = WM_window_get_active_view_layer(win);
Object *obedit = OBEDIT_FROM_VIEW_LAYER(view_layer);
if (ED_space_image_check_show_maskedit(sima, obedit)) {
switch (wmn->data) {
case ND_SELECT:
ED_area_tag_redraw(area);
break;
case ND_DATA:
case ND_DRAW:
/* causes node-recalc */
ED_area_tag_redraw(area);
ED_area_tag_refresh(area);
break;
}
switch (wmn->action) {
case NA_SELECTED:
ED_area_tag_redraw(area);
break;
case NA_EDITED:
/* causes node-recalc */
ED_area_tag_redraw(area);
ED_area_tag_refresh(area);
break;
}
}
break;
}
case NC_GEOM: {
switch (wmn->data) {
case ND_DATA:
case ND_SELECT:
image_scopes_tag_refresh(area);
ED_area_tag_refresh(area);
ED_area_tag_redraw(area);
break;
}
break;
}
case NC_OBJECT: {
switch (wmn->data) {
case ND_TRANSFORM:
case ND_MODIFIER: {
ViewLayer *view_layer = WM_window_get_active_view_layer(win);
Object *ob = OBACT(view_layer);
if (ob && (ob == wmn->reference) && (ob->mode & OB_MODE_EDIT)) {
if (sima->lock && (sima->flag & SI_DRAWSHADOW)) {
ED_area_tag_refresh(area);
ED_area_tag_redraw(area);
}
}
break;
}
}
break;
}
case NC_ID: {
if (wmn->action == NA_RENAME) {
ED_area_tag_redraw(area);
}
break;
}
case NC_WM:
if (wmn->data == ND_UNDO) {
ED_area_tag_redraw(area);
ED_area_tag_refresh(area);
}
break;
}
}
const char *image_context_dir[] = {"edit_image", "edit_mask", NULL};
static int /*eContextResult*/ image_context(const bContext *C,
const char *member,
bContextDataResult *result)
{
SpaceImage *sima = CTX_wm_space_image(C);
if (CTX_data_dir(member)) {
CTX_data_dir_set(result, image_context_dir);
/* TODO(sybren): return CTX_RESULT_OK; */
}
else if (CTX_data_equals(member, "edit_image")) {
CTX_data_id_pointer_set(result, (ID *)ED_space_image(sima));
return CTX_RESULT_OK;
}
else if (CTX_data_equals(member, "edit_mask")) {
Mask *mask = ED_space_image_get_mask(sima);
if (mask) {
CTX_data_id_pointer_set(result, &mask->id);
}
return CTX_RESULT_OK;
}
return CTX_RESULT_MEMBER_NOT_FOUND;
}
static void IMAGE_GGT_gizmo2d(wmGizmoGroupType *gzgt)
{
gzgt->name = "UV Transform Gizmo";
gzgt->idname = "IMAGE_GGT_gizmo2d";
gzgt->flag |= (WM_GIZMOGROUPTYPE_TOOL_FALLBACK_KEYMAP |
WM_GIZMOGROUPTYPE_DELAY_REFRESH_FOR_TWEAK);
gzgt->gzmap_params.spaceid = SPACE_IMAGE;
gzgt->gzmap_params.regionid = RGN_TYPE_WINDOW;
ED_widgetgroup_gizmo2d_xform_callbacks_set(gzgt);
}
static void IMAGE_GGT_gizmo2d_translate(wmGizmoGroupType *gzgt)
{
gzgt->name = "UV Translate Gizmo";
gzgt->idname = "IMAGE_GGT_gizmo2d_translate";
gzgt->flag |= (WM_GIZMOGROUPTYPE_TOOL_FALLBACK_KEYMAP |
WM_GIZMOGROUPTYPE_DELAY_REFRESH_FOR_TWEAK);
gzgt->gzmap_params.spaceid = SPACE_IMAGE;
gzgt->gzmap_params.regionid = RGN_TYPE_WINDOW;
ED_widgetgroup_gizmo2d_xform_no_cage_callbacks_set(gzgt);
}
static void IMAGE_GGT_gizmo2d_resize(wmGizmoGroupType *gzgt)
{
gzgt->name = "UV Transform Gizmo Resize";
gzgt->idname = "IMAGE_GGT_gizmo2d_resize";
gzgt->flag |= (WM_GIZMOGROUPTYPE_TOOL_FALLBACK_KEYMAP |
WM_GIZMOGROUPTYPE_DELAY_REFRESH_FOR_TWEAK);
gzgt->gzmap_params.spaceid = SPACE_IMAGE;
gzgt->gzmap_params.regionid = RGN_TYPE_WINDOW;
ED_widgetgroup_gizmo2d_resize_callbacks_set(gzgt);
}
static void IMAGE_GGT_gizmo2d_rotate(wmGizmoGroupType *gzgt)
{
gzgt->name = "UV Transform Gizmo Resize";
gzgt->idname = "IMAGE_GGT_gizmo2d_rotate";
gzgt->flag |= (WM_GIZMOGROUPTYPE_TOOL_FALLBACK_KEYMAP |
WM_GIZMOGROUPTYPE_DELAY_REFRESH_FOR_TWEAK);
gzgt->gzmap_params.spaceid = SPACE_IMAGE;
gzgt->gzmap_params.regionid = RGN_TYPE_WINDOW;
ED_widgetgroup_gizmo2d_rotate_callbacks_set(gzgt);
}
static void IMAGE_GGT_navigate(wmGizmoGroupType *gzgt)
{
VIEW2D_GGT_navigate_impl(gzgt, "IMAGE_GGT_navigate");
}
static void image_widgets(void)
{
wmGizmoMapType *gzmap_type = WM_gizmomaptype_ensure(
&(const struct wmGizmoMapType_Params){SPACE_IMAGE, RGN_TYPE_WINDOW});
WM_gizmogrouptype_append(IMAGE_GGT_gizmo2d);
WM_gizmogrouptype_append(IMAGE_GGT_gizmo2d_translate);
WM_gizmogrouptype_append(IMAGE_GGT_gizmo2d_resize);
WM_gizmogrouptype_append(IMAGE_GGT_gizmo2d_rotate);
WM_gizmogrouptype_append_and_link(gzmap_type, IMAGE_GGT_navigate);
}
/************************** main region ***************************/
/* sets up the fields of the View2D from zoom and offset */
static void image_main_region_set_view2d(SpaceImage *sima, ARegion *region)
{
Image *ima = ED_space_image(sima);
int width, height;
ED_space_image_get_size(sima, &width, &height);
float w = width;
float h = height;
if (ima) {
h *= ima->aspy / ima->aspx;
}
int winx = BLI_rcti_size_x(&region->winrct) + 1;
int winy = BLI_rcti_size_y(&region->winrct) + 1;
/* For region overlap, move center so image doesn't overlap header. */
const rcti *visible_rect = ED_region_visible_rect(region);
const int visible_winy = BLI_rcti_size_y(visible_rect) + 1;
int visible_centerx = 0;
int visible_centery = visible_rect->ymin + (visible_winy - winy) / 2;
region->v2d.tot.xmin = 0;
region->v2d.tot.ymin = 0;
region->v2d.tot.xmax = w;
region->v2d.tot.ymax = h;
region->v2d.mask.xmin = region->v2d.mask.ymin = 0;
region->v2d.mask.xmax = winx;
region->v2d.mask.ymax = winy;
/* which part of the image space do we see? */
float x1 = region->winrct.xmin + visible_centerx + (winx - sima->zoom * w) / 2.0f;
float y1 = region->winrct.ymin + visible_centery + (winy - sima->zoom * h) / 2.0f;
x1 -= sima->zoom * sima->xof;
y1 -= sima->zoom * sima->yof;
/* relative display right */
region->v2d.cur.xmin = ((region->winrct.xmin - (float)x1) / sima->zoom);
region->v2d.cur.xmax = region->v2d.cur.xmin + ((float)winx / sima->zoom);
/* relative display left */
region->v2d.cur.ymin = ((region->winrct.ymin - (float)y1) / sima->zoom);
region->v2d.cur.ymax = region->v2d.cur.ymin + ((float)winy / sima->zoom);
/* normalize 0.0..1.0 */
region->v2d.cur.xmin /= w;
region->v2d.cur.xmax /= w;
region->v2d.cur.ymin /= h;
region->v2d.cur.ymax /= h;
}
/* add handlers, stuff you only do once or on area/region changes */
static void image_main_region_init(wmWindowManager *wm, ARegion *region)
{
wmKeyMap *keymap;
/* NOTE: don't use `UI_view2d_region_reinit(&region->v2d, ...)`
* since the space clip manages own v2d in #image_main_region_set_view2d */
/* mask polls mode */
keymap = WM_keymap_ensure(wm->defaultconf, "Mask Editing", 0, 0);
WM_event_add_keymap_handler_v2d_mask(&region->handlers, keymap);
/* image paint polls for mode */
keymap = WM_keymap_ensure(wm->defaultconf, "Curve", 0, 0);
WM_event_add_keymap_handler_v2d_mask(&region->handlers, keymap);
keymap = WM_keymap_ensure(wm->defaultconf, "Paint Curve", 0, 0);
WM_event_add_keymap_handler(&region->handlers, keymap);
keymap = WM_keymap_ensure(wm->defaultconf, "Image Paint", 0, 0);
WM_event_add_keymap_handler_v2d_mask(&region->handlers, keymap);
keymap = WM_keymap_ensure(wm->defaultconf, "UV Editor", 0, 0);
WM_event_add_keymap_handler(&region->handlers, keymap);
/* own keymaps */
keymap = WM_keymap_ensure(wm->defaultconf, "Image Generic", SPACE_IMAGE, 0);
WM_event_add_keymap_handler(&region->handlers, keymap);
keymap = WM_keymap_ensure(wm->defaultconf, "Image", SPACE_IMAGE, 0);
WM_event_add_keymap_handler_v2d_mask(&region->handlers, keymap);
}
static void image_main_region_draw(const bContext *C, ARegion *region)
{
/* draw entirely, view changes should be handled here */
SpaceImage *sima = CTX_wm_space_image(C);
Object *obedit = CTX_data_edit_object(C);
Depsgraph *depsgraph = CTX_data_expect_evaluated_depsgraph(C);
Mask *mask = NULL;
Scene *scene = CTX_data_scene(C);
View2D *v2d = &region->v2d;
Image *image = ED_space_image(sima);
const bool show_viewer = (image && image->source == IMA_SRC_VIEWER);
/* XXX not supported yet, disabling for now */
scene->r.scemode &= ~R_COMP_CROP;
image_user_refresh_scene(C, sima);
/* we set view2d from own zoom and offset each time */
image_main_region_set_view2d(sima, region);
/* check for mask (delay draw) */
if (!ED_space_image_show_uvedit(sima, obedit) && sima->mode == SI_MODE_MASK) {
mask = ED_space_image_get_mask(sima);
}
if (show_viewer) {
BLI_thread_lock(LOCK_DRAW_IMAGE);
}
DRW_draw_view(C);
if (show_viewer) {
BLI_thread_unlock(LOCK_DRAW_IMAGE);
}
draw_image_main_helpers(C, region);
/* Draw Meta data of the image isn't added to the DrawManager as it is
* used in other areas as well. */
if (sima->overlay.flag & SI_OVERLAY_SHOW_OVERLAYS && sima->flag & SI_DRAW_METADATA) {
void *lock;
/* `ED_space_image_get_zoom` temporarily locks the image, so this needs to be done before
* the image is locked when calling `ED_space_image_acquire_buffer`. */
float zoomx, zoomy;
ED_space_image_get_zoom(sima, region, &zoomx, &zoomy);
ImBuf *ibuf = ED_space_image_acquire_buffer(sima, &lock, 0);
if (ibuf) {
int x, y;
rctf frame;
BLI_rctf_init(&frame, 0.0f, ibuf->x, 0.0f, ibuf->y);
UI_view2d_view_to_region(&region->v2d, 0.0f, 0.0f, &x, &y);
ED_region_image_metadata_draw(x, y, ibuf, &frame, zoomx, zoomy);
ED_space_image_release_buffer(sima, ibuf, lock);
}
}
/* sample line */
UI_view2d_view_ortho(v2d);
draw_image_sample_line(sima);
UI_view2d_view_restore(C);
if (mask) {
int width, height;
float aspx, aspy;
if (show_viewer) {
/* ED_space_image_get* will acquire image buffer which requires
* lock here by the same reason why lock is needed in draw_image_main
*/
BLI_thread_lock(LOCK_DRAW_IMAGE);
}
ED_space_image_get_size(sima, &width, &height);
ED_space_image_get_aspect(sima, &aspx, &aspy);
if (show_viewer) {
BLI_thread_unlock(LOCK_DRAW_IMAGE);
}
ED_mask_draw_region(depsgraph,
mask,
region,
/* Mask overlay is drawn by image/overlay engine. */
sima->mask_info.draw_flag & ~MASK_DRAWFLAG_OVERLAY,
sima->mask_info.draw_type,
sima->mask_info.overlay_mode,
width,
height,
aspx,
aspy,
true,
false,
NULL,
C);
}
WM_gizmomap_draw(region->gizmo_map, C, WM_GIZMOMAP_DRAWSTEP_2D);
draw_image_cache(C, region);
}
static void image_main_region_listener(const wmRegionListenerParams *params)
{
ScrArea *area = params->area;
ARegion *region = params->region;
wmNotifier *wmn = params->notifier;
/* context changes */
switch (wmn->category) {
case NC_GEOM:
if (ELEM(wmn->data, ND_DATA, ND_SELECT)) {
WM_gizmomap_tag_refresh(region->gizmo_map);
}
break;
case NC_GPENCIL:
if (ELEM(wmn->action, NA_EDITED, NA_SELECTED)) {
ED_region_tag_redraw(region);
}
else if (wmn->data & ND_GPENCIL_EDITMODE) {
ED_region_tag_redraw(region);
}
break;
case NC_IMAGE:
if (wmn->action == NA_PAINTING) {
ED_region_tag_redraw(region);
}
WM_gizmomap_tag_refresh(region->gizmo_map);
break;
case NC_MATERIAL:
if (wmn->data == ND_SHADING_LINKS) {
SpaceImage *sima = area->spacedata.first;
if (sima->iuser.scene && (sima->iuser.scene->toolsettings->uv_flag & UV_SHOW_SAME_IMAGE)) {
ED_region_tag_redraw(region);
}
}
break;
case NC_SCREEN:
if (ELEM(wmn->data, ND_LAYER)) {
ED_region_tag_redraw(region);
}
break;
}
}
/* *********************** buttons region ************************ */
/* add handlers, stuff you only do once or on area/region changes */
static void image_buttons_region_init(wmWindowManager *wm, ARegion *region)
{
wmKeyMap *keymap;
region->v2d.scroll = V2D_SCROLL_RIGHT | V2D_SCROLL_VERTICAL_HIDE;
ED_region_panels_init(wm, region);
keymap = WM_keymap_ensure(wm->defaultconf, "Image Generic", SPACE_IMAGE, 0);
WM_event_add_keymap_handler(&region->handlers, keymap);
}
static void image_buttons_region_layout(const bContext *C, ARegion *region)
{
const enum eContextObjectMode mode = CTX_data_mode_enum(C);
const char *contexts_base[3] = {NULL};
const char **contexts = contexts_base;
SpaceImage *sima = CTX_wm_space_image(C);
switch (sima->mode) {
case SI_MODE_VIEW:
break;
case SI_MODE_PAINT:
ARRAY_SET_ITEMS(contexts, ".paint_common_2d", ".imagepaint_2d");
break;
case SI_MODE_MASK:
break;
case SI_MODE_UV:
if (mode == CTX_MODE_EDIT_MESH) {
ARRAY_SET_ITEMS(contexts, ".uv_sculpt");
}
break;
}
ED_region_panels_layout_ex(C, region, &region->type->paneltypes, contexts_base, NULL);
}
static void image_buttons_region_draw(const bContext *C, ARegion *region)
{
SpaceImage *sima = CTX_wm_space_image(C);
Scene *scene = CTX_data_scene(C);
void *lock;
/* TODO(lukas): Support tiles in scopes? */
ImBuf *ibuf = ED_space_image_acquire_buffer(sima, &lock, 0);
/* XXX performance regression if name of scopes category changes! */
PanelCategoryStack *category = UI_panel_category_active_find(region, "Scopes");
/* only update scopes if scope category is active */
if (category) {
if (ibuf) {
if (!sima->scopes.ok) {
BKE_histogram_update_sample_line(
&sima->sample_line_hist, ibuf, &scene->view_settings, &scene->display_settings);
}
if (sima->image->flag & IMA_VIEW_AS_RENDER) {
ED_space_image_scopes_update(C, sima, ibuf, true);
}
else {
ED_space_image_scopes_update(C, sima, ibuf, false);
}
}
}
ED_space_image_release_buffer(sima, ibuf, lock);
/* Layout handles details. */
ED_region_panels_draw(C, region);
}
static void image_buttons_region_listener(const wmRegionListenerParams *params)
{
ARegion *region = params->region;
wmNotifier *wmn = params->notifier;
/* context changes */
switch (wmn->category) {
case NC_TEXTURE:
case NC_MATERIAL:
/* sending by texture render job and needed to properly update displaying
* brush texture icon */
ED_region_tag_redraw(region);
break;
case NC_SCENE:
switch (wmn->data) {
case ND_MODE:
case ND_RENDER_RESULT:
case ND_COMPO_RESULT:
ED_region_tag_redraw(region);
break;
}
break;
case NC_IMAGE:
if (wmn->action != NA_PAINTING) {
ED_region_tag_redraw(region);
}
break;
case NC_NODE:
ED_region_tag_redraw(region);
break;
case NC_GPENCIL:
if (ELEM(wmn->action, NA_EDITED, NA_SELECTED)) {
ED_region_tag_redraw(region);
}
break;
case NC_BRUSH:
if (wmn->action == NA_EDITED) {
ED_region_tag_redraw(region);
}
break;
}
}
/* *********************** scopes region ************************ */
/* add handlers, stuff you only do once or on area/region changes */
static void image_tools_region_init(wmWindowManager *wm, ARegion *region)
{
wmKeyMap *keymap;
region->v2d.scroll = V2D_SCROLL_RIGHT | V2D_SCROLL_VERTICAL_HIDE;
ED_region_panels_init(wm, region);
keymap = WM_keymap_ensure(wm->defaultconf, "Image Generic", SPACE_IMAGE, 0);
WM_event_add_keymap_handler(&region->handlers, keymap);
}
static void image_tools_region_draw(const bContext *C, ARegion *region)
{
ED_region_panels(C, region);
}
static void image_tools_region_listener(const wmRegionListenerParams *params)
{
ARegion *region = params->region;
wmNotifier *wmn = params->notifier;
/* context changes */
switch (wmn->category) {
case NC_GPENCIL:
if (wmn->data == ND_DATA || ELEM(wmn->action, NA_EDITED, NA_SELECTED)) {
ED_region_tag_redraw(region);
}
break;
case NC_BRUSH:
/* NA_SELECTED is used on brush changes */
if (ELEM(wmn->action, NA_EDITED, NA_SELECTED)) {
ED_region_tag_redraw(region);
}
break;
case NC_SCENE:
switch (wmn->data) {
case ND_MODE:
case ND_RENDER_RESULT:
case ND_COMPO_RESULT:
ED_region_tag_redraw(region);
break;
}
break;
case NC_IMAGE:
if (wmn->action != NA_PAINTING) {
ED_region_tag_redraw(region);
}
break;
case NC_NODE:
ED_region_tag_redraw(region);
break;
}
}
/************************* header region **************************/
/* add handlers, stuff you only do once or on area/region changes */
static void image_header_region_init(wmWindowManager *UNUSED(wm), ARegion *region)
{
ED_region_header_init(region);
}
static void image_header_region_draw(const bContext *C, ARegion *region)
{
ScrArea *area = CTX_wm_area(C);
SpaceImage *sima = area->spacedata.first;
image_user_refresh_scene(C, sima);
ED_region_header(C, region);
}
static void image_header_region_listener(const wmRegionListenerParams *params)
{
ARegion *region = params->region;
wmNotifier *wmn = params->notifier;
/* context changes */
switch (wmn->category) {
case NC_SCENE:
switch (wmn->data) {
case ND_MODE:
case ND_TOOLSETTINGS:
ED_region_tag_redraw(region);
break;
}
break;
case NC_GEOM:
switch (wmn->data) {
case ND_DATA:
case ND_SELECT:
ED_region_tag_redraw(region);
break;
}
break;
case NC_BRUSH:
if (wmn->action == NA_EDITED) {
ED_region_tag_redraw(region);
}
break;
}
}
static void image_id_remap(ScrArea *UNUSED(area), SpaceLink *slink, ID *old_id, ID *new_id)
{
SpaceImage *simg = (SpaceImage *)slink;
if (!ELEM(GS(old_id->name), ID_IM, ID_GD, ID_MSK)) {
return;
}
if ((ID *)simg->image == old_id) {
simg->image = (Image *)new_id;
id_us_ensure_real(new_id);
}
if ((ID *)simg->gpd == old_id) {
simg->gpd = (bGPdata *)new_id;
id_us_min(old_id);
id_us_plus(new_id);
}
if ((ID *)simg->mask_info.mask == old_id) {
simg->mask_info.mask = (Mask *)new_id;
id_us_ensure_real(new_id);
}
}
/**
* \note Used for splitting out a subset of modes is more involved,
* The previous non-uv-edit mode is stored so switching back to the
* image doesn't always reset the sub-mode.
*/
static int image_space_subtype_get(ScrArea *area)
{
SpaceImage *sima = area->spacedata.first;
return sima->mode == SI_MODE_UV ? SI_MODE_UV : SI_MODE_VIEW;
}
static void image_space_subtype_set(ScrArea *area, int value)
{
SpaceImage *sima = area->spacedata.first;
if (value == SI_MODE_UV) {
if (sima->mode != SI_MODE_UV) {
sima->mode_prev = sima->mode;
}
sima->mode = value;
}
else {
sima->mode = sima->mode_prev;
}
}
static void image_space_subtype_item_extend(bContext *UNUSED(C),
EnumPropertyItem **item,
int *totitem)
{
RNA_enum_items_add(item, totitem, rna_enum_space_image_mode_items);
}
/**************************** spacetype *****************************/
/* only called once, from space/spacetypes.c */
void ED_spacetype_image(void)
{
SpaceType *st = MEM_callocN(sizeof(SpaceType), "spacetype image");
ARegionType *art;
st->spaceid = SPACE_IMAGE;
strncpy(st->name, "Image", BKE_ST_MAXNAME);
st->create = image_create;
st->free = image_free;
st->init = image_init;
st->duplicate = image_duplicate;
st->operatortypes = image_operatortypes;
st->keymap = image_keymap;
st->dropboxes = image_dropboxes;
st->refresh = image_refresh;
st->listener = image_listener;
st->context = image_context;
st->gizmos = image_widgets;
st->id_remap = image_id_remap;
st->space_subtype_item_extend = image_space_subtype_item_extend;
st->space_subtype_get = image_space_subtype_get;
st->space_subtype_set = image_space_subtype_set;
/* regions: main window */
art = MEM_callocN(sizeof(ARegionType), "spacetype image region");
art->regionid = RGN_TYPE_WINDOW;
art->keymapflag = ED_KEYMAP_GIZMO | ED_KEYMAP_TOOL | ED_KEYMAP_FRAMES | ED_KEYMAP_GPENCIL;
art->init = image_main_region_init;
art->draw = image_main_region_draw;
art->listener = image_main_region_listener;
BLI_addhead(&st->regiontypes, art);
/* regions: listview/buttons/scopes */
art = MEM_callocN(sizeof(ARegionType), "spacetype image region");
art->regionid = RGN_TYPE_UI;
art->prefsizex = UI_SIDEBAR_PANEL_WIDTH;
art->keymapflag = ED_KEYMAP_UI | ED_KEYMAP_FRAMES;
art->listener = image_buttons_region_listener;
art->message_subscribe = ED_area_do_mgs_subscribe_for_tool_ui;
art->init = image_buttons_region_init;
art->layout = image_buttons_region_layout;
art->draw = image_buttons_region_draw;
BLI_addhead(&st->regiontypes, art);
ED_uvedit_buttons_register(art);
image_buttons_register(art);
/* regions: tool(bar) */
art = MEM_callocN(sizeof(ARegionType), "spacetype image region");
art->regionid = RGN_TYPE_TOOLS;
art->prefsizex = 58; /* XXX */
art->prefsizey = 50; /* XXX */
art->keymapflag = ED_KEYMAP_UI | ED_KEYMAP_FRAMES;
art->listener = image_tools_region_listener;
art->message_subscribe = ED_region_generic_tools_region_message_subscribe;
art->snap_size = ED_region_generic_tools_region_snap_size;
art->init = image_tools_region_init;
art->draw = image_tools_region_draw;
BLI_addhead(&st->regiontypes, art);
/* regions: tool header */
art = MEM_callocN(sizeof(ARegionType), "spacetype image tool header region");
art->regionid = RGN_TYPE_TOOL_HEADER;
art->prefsizey = HEADERY;
art->keymapflag = ED_KEYMAP_UI | ED_KEYMAP_VIEW2D | ED_KEYMAP_FRAMES | ED_KEYMAP_HEADER;
art->listener = image_header_region_listener;
art->init = image_header_region_init;
art->draw = image_header_region_draw;
art->message_subscribe = ED_area_do_mgs_subscribe_for_tool_header;
BLI_addhead(&st->regiontypes, art);
/* regions: header */
art = MEM_callocN(sizeof(ARegionType), "spacetype image region");
art->regionid = RGN_TYPE_HEADER;
art->prefsizey = HEADERY;
art->keymapflag = ED_KEYMAP_UI | ED_KEYMAP_VIEW2D | ED_KEYMAP_FRAMES | ED_KEYMAP_HEADER;
art->listener = image_header_region_listener;
art->init = image_header_region_init;
art->draw = image_header_region_draw;
BLI_addhead(&st->regiontypes, art);
/* regions: hud */
art = ED_area_type_hud(st->spaceid);
BLI_addhead(&st->regiontypes, art);
BKE_spacetype_register(st);
}
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