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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 edrend
*/
#include <string.h>
#include <stddef.h>
#include "BLI_utildefines.h"
#include "DNA_scene_types.h"
#include "DNA_userdef_types.h"
#include "BKE_context.h"
#include "BKE_image.h"
#include "BKE_global.h"
#include "BKE_main.h"
#include "BKE_screen.h"
#include "BKE_report.h"
#include "BLT_translation.h"
#include "WM_api.h"
#include "WM_types.h"
#include "ED_screen.h"
#include "UI_interface.h"
#include "wm_window.h"
#include "render_intern.h"
/*********************** utilities for finding areas *************************/
/* returns biggest area that is not uv/image editor. Note that it uses buttons */
/* window as the last possible alternative. */
/* would use BKE_screen_find_big_area(...) but this is too specific */
static ScrArea *biggest_non_image_area(bContext *C)
{
bScreen *sc = CTX_wm_screen(C);
ScrArea *sa, *big = NULL;
int size, maxsize = 0, bwmaxsize = 0;
short foundwin = 0;
for (sa = sc->areabase.first; sa; sa = sa->next) {
if (sa->winx > 30 && sa->winy > 30) {
size = sa->winx * sa->winy;
if (!sa->full && sa->spacetype == SPACE_PROPERTIES) {
if (foundwin == 0 && size > bwmaxsize) {
bwmaxsize = size;
big = sa;
}
}
else if (sa->spacetype != SPACE_IMAGE && size > maxsize) {
maxsize = size;
big = sa;
foundwin = 1;
}
}
}
return big;
}
static ScrArea *find_area_showing_r_result(bContext *C, Scene *scene, wmWindow **win)
{
wmWindowManager *wm = CTX_wm_manager(C);
ScrArea *sa = NULL;
SpaceImage *sima;
/* find an imagewindow showing render result */
for (*win = wm->windows.first; *win; *win = (*win)->next) {
if (WM_window_get_active_scene(*win) == scene) {
const bScreen *screen = WM_window_get_active_screen(*win);
for (sa = screen->areabase.first; sa; sa = sa->next) {
if (sa->spacetype == SPACE_IMAGE) {
sima = sa->spacedata.first;
if (sima->image && sima->image->type == IMA_TYPE_R_RESULT) {
break;
}
}
}
if (sa) {
break;
}
}
}
return sa;
}
static ScrArea *find_area_image_empty(bContext *C)
{
bScreen *sc = CTX_wm_screen(C);
ScrArea *sa;
SpaceImage *sima;
/* find an imagewindow showing render result */
for (sa = sc->areabase.first; sa; sa = sa->next) {
if (sa->spacetype == SPACE_IMAGE) {
sima = sa->spacedata.first;
if ((sima->mode == SI_MODE_VIEW) && !sima->image) {
break;
}
}
}
return sa;
}
/********************** open image editor for render *************************/
/* new window uses x,y to set position */
ScrArea *render_view_open(bContext *C, int mx, int my, ReportList *reports)
{
Main *bmain = CTX_data_main(C);
Scene *scene = CTX_data_scene(C);
wmWindow *win = NULL;
ScrArea *sa = NULL;
SpaceImage *sima;
bool area_was_image = false;
if (U.render_display_type == USER_RENDER_DISPLAY_NONE) {
return NULL;
}
if (U.render_display_type == USER_RENDER_DISPLAY_WINDOW) {
int sizex = 30 * UI_DPI_FAC + (scene->r.xsch * scene->r.size) / 100;
int sizey = 60 * UI_DPI_FAC + (scene->r.ysch * scene->r.size) / 100;
/* arbitrary... miniature image window views don't make much sense */
if (sizex < 320) {
sizex = 320;
}
if (sizey < 256) {
sizey = 256;
}
/* changes context! */
if (WM_window_open_temp(
C, IFACE_("Blender Render"), mx, my, sizex, sizey, SPACE_IMAGE, false) == NULL) {
BKE_report(reports, RPT_ERROR, "Failed to open window!");
return NULL;
}
sa = CTX_wm_area(C);
}
else if (U.render_display_type == USER_RENDER_DISPLAY_SCREEN) {
sa = CTX_wm_area(C);
/* if the active screen is already in fullscreen mode, skip this and
* unset the area, so that the fullscreen area is just changed later */
if (sa && sa->full) {
sa = NULL;
}
else {
if (sa && sa->spacetype == SPACE_IMAGE) {
area_was_image = true;
}
/* this function returns with changed context */
sa = ED_screen_full_newspace(C, sa, SPACE_IMAGE);
}
}
if (!sa) {
sa = find_area_showing_r_result(C, scene, &win);
if (sa == NULL) {
sa = find_area_image_empty(C);
}
/* if area found in other window, we make that one show in front */
if (win && win != CTX_wm_window(C)) {
wm_window_raise(win);
}
if (sa == NULL) {
/* find largest open non-image area */
sa = biggest_non_image_area(C);
if (sa) {
ED_area_newspace(C, sa, SPACE_IMAGE, true);
sima = sa->spacedata.first;
/* makes ESC go back to prev space */
sima->flag |= SI_PREVSPACE;
/* we already had a fullscreen here -> mark new space as a stacked fullscreen */
if (sa->full) {
sa->flag |= (AREA_FLAG_STACKED_FULLSCREEN | AREA_FLAG_TEMP_TYPE);
}
}
else {
/* use any area of decent size */
sa = BKE_screen_find_big_area(CTX_wm_screen(C), SPACE_TYPE_ANY, 0);
if (sa->spacetype != SPACE_IMAGE) {
// XXX newspace(sa, SPACE_IMAGE);
sima = sa->spacedata.first;
/* makes ESC go back to prev space */
sima->flag |= SI_PREVSPACE;
}
}
}
}
sima = sa->spacedata.first;
/* get the correct image, and scale it */
sima->image = BKE_image_verify_viewer(bmain, IMA_TYPE_R_RESULT, "Render Result");
/* If we're rendering to full screen, set appropriate hints on image editor
* so it can restore properly on pressing escape. */
if (sa->full) {
sima->flag |= SI_FULLWINDOW;
/* Tell the image editor to revert to previous space in space list on close
* _only_ if it wasn't already an image editor when the render was invoked */
if (area_was_image == 0) {
sima->flag |= SI_PREVSPACE;
}
else {
/* Leave it alone so the image editor will just go back from
* full screen to the original tiled setup */
}
}
return sa;
}
/*************************** cancel render viewer **********************/
static int render_view_cancel_exec(bContext *C, wmOperator *UNUSED(op))
{
wmWindow *win = CTX_wm_window(C);
ScrArea *sa = CTX_wm_area(C);
SpaceImage *sima = sa->spacedata.first;
/* ensure image editor fullscreen and area fullscreen states are in sync */
if ((sima->flag & SI_FULLWINDOW) && !sa->full) {
sima->flag &= ~SI_FULLWINDOW;
}
/* test if we have a temp screen in front */
if (WM_window_is_temp_screen(win)) {
wm_window_lower(win);
return OPERATOR_FINISHED;
}
/* determine if render already shows */
else if (sima->flag & SI_PREVSPACE) {
sima->flag &= ~SI_PREVSPACE;
if (sima->flag & SI_FULLWINDOW) {
sima->flag &= ~SI_FULLWINDOW;
ED_screen_full_prevspace(C, sa);
}
else {
ED_area_prevspace(C, sa);
}
return OPERATOR_FINISHED;
}
else if (sima->flag & SI_FULLWINDOW) {
sima->flag &= ~SI_FULLWINDOW;
ED_screen_state_toggle(C, win, sa, SCREENMAXIMIZED);
return OPERATOR_FINISHED;
}
return OPERATOR_PASS_THROUGH;
}
void RENDER_OT_view_cancel(struct wmOperatorType *ot)
{
/* identifiers */
ot->name = "Cancel Render View";
ot->description = "Cancel show render view";
ot->idname = "RENDER_OT_view_cancel";
/* api callbacks */
ot->exec = render_view_cancel_exec;
ot->poll = ED_operator_image_active;
}
/************************* show render viewer *****************/
static int render_view_show_invoke(bContext *C, wmOperator *op, const wmEvent *event)
{
wmWindow *wincur = CTX_wm_window(C);
/* test if we have currently a temp screen active */
if (WM_window_is_temp_screen(wincur)) {
wm_window_lower(wincur);
}
else {
wmWindow *win, *winshow;
ScrArea *sa = find_area_showing_r_result(C, CTX_data_scene(C), &winshow);
/* is there another window on current scene showing result? */
for (win = CTX_wm_manager(C)->windows.first; win; win = win->next) {
const bScreen *sc = WM_window_get_active_screen(win);
if ((WM_window_is_temp_screen(win) &&
((ScrArea *)sc->areabase.first)->spacetype == SPACE_IMAGE) ||
(win == winshow && winshow != wincur)) {
wm_window_raise(win);
return OPERATOR_FINISHED;
}
}
/* determine if render already shows */
if (sa) {
/* but don't close it when rendering */
if (G.is_rendering == false) {
SpaceImage *sima = sa->spacedata.first;
if (sima->flag & SI_PREVSPACE) {
sima->flag &= ~SI_PREVSPACE;
if (sima->flag & SI_FULLWINDOW) {
sima->flag &= ~SI_FULLWINDOW;
ED_screen_full_prevspace(C, sa);
}
else {
ED_area_prevspace(C, sa);
}
}
}
}
else {
render_view_open(C, event->x, event->y, op->reports);
}
}
return OPERATOR_FINISHED;
}
void RENDER_OT_view_show(struct wmOperatorType *ot)
{
/* identifiers */
ot->name = "Show/Hide Render View";
ot->description = "Toggle show render view";
ot->idname = "RENDER_OT_view_show";
/* api callbacks */
ot->invoke = render_view_show_invoke;
ot->poll = ED_operator_screenactive;
}
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