Merging r36529-38806bge_components

1 files changed, 358 insertions, 0 deletions

diff --git a/source/blender/editors/render/render_view.c b/source/blender/editors/render/render_view.c
new file mode 100644
index 00000000000..9dfcde6ed0d
--- /dev/null
+++ b/source/blender/editors/render/render_view.c
@@ -0,0 +1,358 @@
+/*
+ * $Id$
+ *
+ * ***** BEGIN GPL LICENSE BLOCK *****
+ *
+ * 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.
+ *
+ *
+ * ***** END GPL LICENSE BLOCK *****
+ */
+
+/** \file blender/editors/render/render_view.c
+ *  \ingroup edrend
+ */
+
+#include <string.h>
+#include <stddef.h>
+
+#include "MEM_guardedalloc.h"
+
+#include "BLI_blenlib.h"
+#include "BLI_utildefines.h"
+
+#include "DNA_scene_types.h"
+
+#include "BKE_blender.h"
+#include "BKE_context.h"
+#include "BKE_image.h"
+#include "BKE_global.h"
+#include "BKE_main.h"
+#include "BKE_node.h"
+#include "BKE_report.h"
+#include "BKE_screen.h"
+
+#include "WM_api.h"
+#include "WM_types.h"
+
+#include "ED_screen.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.									   */
+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->spacetype == SPACE_BUTS) {
+				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 *biggest_area(bContext *C)
+{
+	bScreen *sc= CTX_wm_screen(C);
+	ScrArea *sa, *big= NULL;
+	int size, maxsize= 0;
+
+	for(sa= sc->areabase.first; sa; sa= sa->next) {
+		size= sa->winx*sa->winy;
+		if(size > maxsize) {
+			maxsize= size;
+			big= sa;
+		}
+	}
+	return big;
+}
+
+static ScrArea *find_area_showing_r_result(bContext *C, 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) {
+		for(sa= (*win)->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->image)
+				break;
+		}
+	}
+
+	return sa;
+}
+
+/********************** open image editor for render *************************/
+
+/* new window uses x,y to set position */
+void render_view_open(bContext *C, int mx, int my)
+{
+	wmWindow *win= CTX_wm_window(C);
+	Scene *scene= CTX_data_scene(C);
+	ScrArea *sa= NULL;
+	SpaceImage *sima;
+	int area_was_image=0;
+
+	if(scene->r.displaymode==R_OUTPUT_NONE)
+		return;
+	
+	if(scene->r.displaymode==R_OUTPUT_WINDOW) {
+		rcti rect;
+		int sizex, sizey;
+
+		sizex= 10 + (scene->r.xsch*scene->r.size)/100;
+		sizey= 40 + (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;
+
+		/* XXX some magic to calculate postition */
+		rect.xmin= mx + win->posx - sizex/2;
+		rect.ymin= my + win->posy - sizey/2;
+		rect.xmax= rect.xmin + sizex;
+		rect.ymax= rect.ymin + sizey;
+
+		/* changes context! */
+		WM_window_open_temp(C, &rect, WM_WINDOW_RENDER);
+
+		sa= CTX_wm_area(C);
+	}
+	else if(scene->r.displaymode==R_OUTPUT_SCREEN) {
+		if (CTX_wm_area(C) && CTX_wm_area(C)->spacetype == SPACE_IMAGE)
+			area_was_image = 1;
+
+		/* this function returns with changed context */
+		sa= ED_screen_full_newspace(C, CTX_wm_area(C), SPACE_IMAGE);
+	}
+
+	if(!sa) {
+		sa= find_area_showing_r_result(C, &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);
+				sima= sa->spacedata.first;
+
+				/* makes ESC go back to prev space */
+				sima->flag |= SI_PREVSPACE;
+			}
+			else {
+				/* use any area of decent size */
+				sa= biggest_area(C);
+				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(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 esc */
+	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 */
+			;
+		}
+	}
+}
+
+/*************************** 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;
+
+	/* test if we have a temp screen in front */
+	if(CTX_wm_window(C)->screen->temp) {
+		wm_window_lower(CTX_wm_window(C));
+		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_full_toggle(C, win, sa);
+		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 *UNUSED(op), wmEvent *event)
+{
+	wmWindow *wincur = CTX_wm_window(C);
+	
+	/* test if we have currently a temp screen active */
+	if(wincur->screen->temp) {
+		wm_window_lower(wincur);
+	}
+	else { 
+		wmWindow *win, *winshow;
+		ScrArea *sa= find_area_showing_r_result(C, &winshow);
+		
+		/* is there another window showing result? */
+		for(win= CTX_wm_manager(C)->windows.first; win; win= win->next) {
+			if(win->screen->temp || (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.rendering) {
+				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 if(sima->next) {
+						/* workaround for case of double prevspace, render window
+						   with a file browser on top of it (same as in ED_area_prevspace) */
+						if(sima->next->spacetype == SPACE_FILE && sima->next->next)
+							ED_area_newspace(C, sa, sima->next->next->spacetype);
+						else
+							ED_area_newspace(C, sa, sima->next->spacetype);
+						ED_area_tag_redraw(sa);
+					}
+				}
+			}
+		}
+		else {
+			render_view_open(C, event->x, event->y);
+		}
+	}
+
+	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;
+}
+