342 lines
8.6 KiB
C
342 lines
8.6 KiB
C
/*
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* ***** BEGIN GPL LICENSE BLOCK *****
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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* The Original Code is Copyright (C) 2008 Blender Foundation.
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* All rights reserved.
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*
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*
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* ***** END GPL LICENSE BLOCK *****
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*/
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/** \file blender/editors/render/render_view.c
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* \ingroup edrend
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*/
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#include <string.h>
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#include <stddef.h>
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#include "MEM_guardedalloc.h"
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#include "BLI_blenlib.h"
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#include "BLI_utildefines.h"
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#include "DNA_scene_types.h"
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#include "BKE_blender.h"
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#include "BKE_context.h"
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#include "BKE_image.h"
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#include "BKE_global.h"
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#include "BKE_main.h"
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#include "BKE_node.h"
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#include "BKE_report.h"
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#include "BKE_screen.h"
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#include "WM_api.h"
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#include "WM_types.h"
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#include "ED_screen.h"
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#include "wm_window.h"
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#include "render_intern.h"
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/*********************** utilities for finding areas *************************/
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/* returns biggest area that is not uv/image editor. Note that it uses buttons */
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/* window as the last possible alternative. */
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/* would use BKE_screen_find_big_area(...) but this is too specific */
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static ScrArea *biggest_non_image_area(bContext *C)
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{
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bScreen *sc= CTX_wm_screen(C);
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ScrArea *sa, *big= NULL;
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int size, maxsize= 0, bwmaxsize= 0;
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short foundwin= 0;
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for(sa= sc->areabase.first; sa; sa= sa->next) {
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if(sa->winx > 30 && sa->winy > 30) {
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size= sa->winx*sa->winy;
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if(sa->spacetype == SPACE_BUTS) {
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if(foundwin == 0 && size > bwmaxsize) {
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bwmaxsize= size;
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big= sa;
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}
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}
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else if(sa->spacetype != SPACE_IMAGE && size > maxsize) {
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maxsize= size;
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big= sa;
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foundwin= 1;
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}
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}
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}
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return big;
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}
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static ScrArea *find_area_showing_r_result(bContext *C, wmWindow **win)
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{
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wmWindowManager *wm= CTX_wm_manager(C);
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ScrArea *sa = NULL;
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SpaceImage *sima;
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/* find an imagewindow showing render result */
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for(*win=wm->windows.first; *win; *win= (*win)->next) {
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for(sa= (*win)->screen->areabase.first; sa; sa= sa->next) {
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if(sa->spacetype==SPACE_IMAGE) {
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sima= sa->spacedata.first;
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if(sima->image && sima->image->type==IMA_TYPE_R_RESULT)
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break;
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}
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}
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if(sa)
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break;
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}
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return sa;
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}
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static ScrArea *find_area_image_empty(bContext *C)
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{
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bScreen *sc= CTX_wm_screen(C);
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ScrArea *sa;
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SpaceImage *sima;
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/* find an imagewindow showing render result */
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for(sa=sc->areabase.first; sa; sa= sa->next) {
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if(sa->spacetype==SPACE_IMAGE) {
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sima= sa->spacedata.first;
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if(!sima->image)
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break;
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}
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}
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return sa;
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}
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/********************** open image editor for render *************************/
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/* new window uses x,y to set position */
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void render_view_open(bContext *C, int mx, int my)
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{
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wmWindow *win= CTX_wm_window(C);
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Scene *scene= CTX_data_scene(C);
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ScrArea *sa= NULL;
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SpaceImage *sima;
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int area_was_image=0;
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if(scene->r.displaymode==R_OUTPUT_NONE)
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return;
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if(scene->r.displaymode==R_OUTPUT_WINDOW) {
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rcti rect;
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int sizex, sizey;
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sizex= 10 + (scene->r.xsch*scene->r.size)/100;
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sizey= 40 + (scene->r.ysch*scene->r.size)/100;
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/* arbitrary... miniature image window views don't make much sense */
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if(sizex < 320) sizex= 320;
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if(sizey < 256) sizey= 256;
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/* XXX some magic to calculate postition */
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rect.xmin= mx + win->posx - sizex/2;
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rect.ymin= my + win->posy - sizey/2;
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rect.xmax= rect.xmin + sizex;
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rect.ymax= rect.ymin + sizey;
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/* changes context! */
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WM_window_open_temp(C, &rect, WM_WINDOW_RENDER);
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sa= CTX_wm_area(C);
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}
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else if(scene->r.displaymode==R_OUTPUT_SCREEN) {
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if (CTX_wm_area(C) && CTX_wm_area(C)->spacetype == SPACE_IMAGE)
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area_was_image = 1;
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/* this function returns with changed context */
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sa= ED_screen_full_newspace(C, CTX_wm_area(C), SPACE_IMAGE);
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}
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if(!sa) {
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sa= find_area_showing_r_result(C, &win);
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if(sa==NULL)
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sa= find_area_image_empty(C);
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/* if area found in other window, we make that one show in front */
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if(win && win!=CTX_wm_window(C))
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wm_window_raise(win);
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if(sa==NULL) {
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/* find largest open non-image area */
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sa= biggest_non_image_area(C);
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if(sa) {
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ED_area_newspace(C, sa, SPACE_IMAGE);
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sima= sa->spacedata.first;
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/* makes ESC go back to prev space */
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sima->flag |= SI_PREVSPACE;
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}
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else {
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/* use any area of decent size */
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sa= BKE_screen_find_big_area(CTX_wm_screen(C), -1, 0);
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if(sa->spacetype!=SPACE_IMAGE) {
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// XXX newspace(sa, SPACE_IMAGE);
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sima= sa->spacedata.first;
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/* makes ESC go back to prev space */
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sima->flag |= SI_PREVSPACE;
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}
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}
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}
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}
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sima= sa->spacedata.first;
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/* get the correct image, and scale it */
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sima->image= BKE_image_verify_viewer(IMA_TYPE_R_RESULT, "Render Result");
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/* if we're rendering to full screen, set appropriate hints on image editor
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* so it can restore properly on pressing esc */
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if(sa->full) {
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sima->flag |= SI_FULLWINDOW;
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/* Tell the image editor to revert to previous space in space list on close
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* _only_ if it wasn't already an image editor when the render was invoked */
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if (area_was_image == 0)
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sima->flag |= SI_PREVSPACE;
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else {
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/* Leave it alone so the image editor will just go back from
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* full screen to the original tiled setup */
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;
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}
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}
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}
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/*************************** cancel render viewer **********************/
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static int render_view_cancel_exec(bContext *C, wmOperator *UNUSED(op))
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{
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wmWindow *win= CTX_wm_window(C);
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ScrArea *sa= CTX_wm_area(C);
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SpaceImage *sima= sa->spacedata.first;
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/* test if we have a temp screen in front */
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if(CTX_wm_window(C)->screen->temp) {
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wm_window_lower(CTX_wm_window(C));
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return OPERATOR_FINISHED;
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}
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/* determine if render already shows */
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else if(sima->flag & SI_PREVSPACE) {
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sima->flag &= ~SI_PREVSPACE;
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if(sima->flag & SI_FULLWINDOW) {
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sima->flag &= ~SI_FULLWINDOW;
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ED_screen_full_prevspace(C, sa);
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}
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else
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ED_area_prevspace(C, sa);
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return OPERATOR_FINISHED;
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}
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else if(sima->flag & SI_FULLWINDOW) {
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sima->flag &= ~SI_FULLWINDOW;
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ED_screen_full_toggle(C, win, sa);
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return OPERATOR_FINISHED;
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}
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return OPERATOR_PASS_THROUGH;
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}
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void RENDER_OT_view_cancel(struct wmOperatorType *ot)
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{
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/* identifiers */
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ot->name= "Cancel Render View";
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ot->description= "Cancel show render view";
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ot->idname= "RENDER_OT_view_cancel";
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/* api callbacks */
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ot->exec= render_view_cancel_exec;
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ot->poll= ED_operator_image_active;
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}
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/************************* show render viewer *****************/
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static int render_view_show_invoke(bContext *C, wmOperator *UNUSED(op), wmEvent *event)
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{
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wmWindow *wincur = CTX_wm_window(C);
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/* test if we have currently a temp screen active */
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if(wincur->screen->temp) {
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wm_window_lower(wincur);
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}
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else {
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wmWindow *win, *winshow;
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ScrArea *sa= find_area_showing_r_result(C, &winshow);
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/* is there another window showing result? */
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for(win= CTX_wm_manager(C)->windows.first; win; win= win->next) {
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if(win->screen->temp || (win==winshow && winshow!=wincur)) {
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wm_window_raise(win);
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return OPERATOR_FINISHED;
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}
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}
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/* determine if render already shows */
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if(sa) {
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/* but don't close it when rendering */
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if(!G.rendering) {
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SpaceImage *sima= sa->spacedata.first;
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if(sima->flag & SI_PREVSPACE) {
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sima->flag &= ~SI_PREVSPACE;
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if(sima->flag & SI_FULLWINDOW) {
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sima->flag &= ~SI_FULLWINDOW;
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ED_screen_full_prevspace(C, sa);
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}
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else if(sima->next) {
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/* workaround for case of double prevspace, render window
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with a file browser on top of it (same as in ED_area_prevspace) */
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if(sima->next->spacetype == SPACE_FILE && sima->next->next)
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ED_area_newspace(C, sa, sima->next->next->spacetype);
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else
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ED_area_newspace(C, sa, sima->next->spacetype);
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ED_area_tag_redraw(sa);
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}
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}
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}
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}
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else {
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render_view_open(C, event->x, event->y);
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}
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}
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return OPERATOR_FINISHED;
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}
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void RENDER_OT_view_show(struct wmOperatorType *ot)
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{
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/* identifiers */
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ot->name= "Show/Hide Render View";
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ot->description= "Toggle show render view";
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ot->idname= "RENDER_OT_view_show";
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/* api callbacks */
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ot->invoke= render_view_show_invoke;
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ot->poll= ED_operator_screenactive;
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}
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