1 files changed, 310 insertions, 0 deletions
diff --git a/source/blender/editors/space_clip/clip_editor.c b/source/blender/editors/space_clip/clip_editor.c
new file mode 100644
index 00000000000..c5036145792
--- /dev/null
+++ b/source/blender/editors/space_clip/clip_editor.c
@@ -0,0 +1,310 @@
+/*
+ * ***** 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) 2011 Blender Foundation.
+ * All rights reserved.
+ *
+ *
+ * Contributor(s): Blender Foundation,
+ *                 Sergey Sharybin
+ *
+ * ***** END GPL LICENSE BLOCK *****
+ */
+
+/** \file blender/editors/space_clip/clip_editor.c
+ *  \ingroup spclip
+ */
+
+#include <stddef.h>
+
+#include "BKE_main.h"
+#include "BKE_movieclip.h"
+#include "BKE_context.h"
+#include "BKE_tracking.h"
+#include "DNA_object_types.h"	/* SELECT */
+
+#include "BLI_utildefines.h"
+#include "BLI_math.h"
+
+#include "IMB_imbuf_types.h"
+#include "IMB_imbuf.h"
+
+#include "ED_screen.h"
+#include "ED_clip.h"
+
+#include "BIF_gl.h"
+
+#include "WM_api.h"
+#include "WM_types.h"
+
+#include "UI_view2d.h"
+
+#include "clip_intern.h"	// own include
+
+int ED_space_clip_poll(bContext *C)
+{
+	SpaceClip *sc= CTX_wm_space_clip(C);
+
+	if(sc && sc->clip)
+		return 1;
+
+	return 0;
+}
+
+void ED_space_clip_set(bContext *C, SpaceClip *sc, MovieClip *clip)
+{
+	sc->clip= clip;
+
+	if(sc->clip && sc->clip->id.us==0)
+		sc->clip->id.us= 1;
+
+	if(C)
+		WM_event_add_notifier(C, NC_MOVIECLIP|NA_SELECTED, sc->clip);
+}
+
+MovieClip *ED_space_clip(SpaceClip *sc)
+{
+	return sc->clip;
+}
+
+ImBuf *ED_space_clip_get_buffer(SpaceClip *sc)
+{
+	if(sc->clip) {
+		ImBuf *ibuf;
+
+		ibuf= BKE_movieclip_get_ibuf(sc->clip, &sc->user);
+
+		if(ibuf && (ibuf->rect || ibuf->rect_float))
+			return ibuf;
+
+		if(ibuf)
+			IMB_freeImBuf(ibuf);
+	}
+
+	return NULL;
+}
+
+ImBuf *ED_space_clip_get_stable_buffer(SpaceClip *sc, float loc[2], float *scale, float *angle)
+{
+	if(sc->clip) {
+		ImBuf *ibuf;
+
+		ibuf= BKE_movieclip_get_stable_ibuf(sc->clip, &sc->user, loc, scale, angle);
+
+		if(ibuf && (ibuf->rect || ibuf->rect_float))
+			return ibuf;
+
+		if(ibuf)
+			IMB_freeImBuf(ibuf);
+	}
+
+	return NULL;
+}
+
+void ED_space_clip_size(SpaceClip *sc, int *width, int *height)
+{
+	if(!sc->clip) {
+		*width= 0;
+		*height= 0;
+	} else
+		BKE_movieclip_get_size(sc->clip, &sc->user, width, height);
+}
+
+void ED_space_clip_zoom(SpaceClip *sc, ARegion *ar, float *zoomx, float *zoomy)
+{
+	int width, height;
+
+	ED_space_clip_size(sc, &width, &height);
+
+	*zoomx= (float)(ar->winrct.xmax - ar->winrct.xmin + 1)/(float)((ar->v2d.cur.xmax - ar->v2d.cur.xmin)*width);
+	*zoomy= (float)(ar->winrct.ymax - ar->winrct.ymin + 1)/(float)((ar->v2d.cur.ymax - ar->v2d.cur.ymin)*height);
+}
+
+void ED_space_clip_aspect(SpaceClip *sc, float *aspx, float *aspy)
+{
+	MovieClip *clip= ED_space_clip(sc);
+
+	if(clip)
+		BKE_movieclip_aspect(clip, aspx, aspy);
+	else
+		*aspx= *aspy= 1.0f;
+}
+
+void ED_clip_update_frame(const Main *mainp, int cfra)
+{
+	wmWindowManager *wm;
+	wmWindow *win;
+
+	/* image window, compo node users */
+	for(wm=mainp->wm.first; wm; wm= wm->id.next) { /* only 1 wm */
+		for(win= wm->windows.first; win; win= win->next) {
+			ScrArea *sa;
+			for(sa= win->screen->areabase.first; sa; sa= sa->next) {
+				if(sa->spacetype==SPACE_CLIP) {
+					SpaceClip *sc= sa->spacedata.first;
+
+					sc->scopes.ok= 0;
+
+					BKE_movieclip_user_set_frame(&sc->user, cfra);
+				}
+			}
+		}
+	}
+}
+
+static int selected_boundbox(SpaceClip *sc, float min[2], float max[2])
+{
+	MovieClip *clip= ED_space_clip(sc);
+	MovieTrackingTrack *track;
+	int width, height, ok= 0;
+
+	INIT_MINMAX2(min, max);
+
+	ED_space_clip_size(sc, &width, &height);
+
+	track= clip->tracking.tracks.first;
+	while(track) {
+		if(TRACK_VIEW_SELECTED(sc, track)) {
+			MovieTrackingMarker *marker= BKE_tracking_get_marker(track, sc->user.framenr);
+
+			if(marker) {
+				float pos[3];
+
+				pos[0]= marker->pos[0]+track->offset[0];
+				pos[1]= marker->pos[1]+track->offset[1];
+				pos[2]= 0.0f;
+
+				/* undistortion happens for normalized coords */
+				if(sc->user.render_flag&MCLIP_PROXY_RENDER_UNDISTORT)
+					/* undistortion happens for normalized coords */
+					ED_clip_point_undistorted_pos(sc, pos, pos);
+
+				pos[0]*= width;
+				pos[1]*= height;
+
+				mul_v3_m4v3(pos, sc->stabmat, pos);
+
+				DO_MINMAX2(pos, min, max);
+
+				ok= 1;
+			}
+		}
+
+		track= track->next;
+	}
+
+	return ok;
+}
+
+int ED_clip_view_selection(SpaceClip *sc, ARegion *ar, int fit)
+{
+	int w, h, frame_width, frame_height;
+	float min[2], max[2];
+
+	ED_space_clip_size(sc, &frame_width, &frame_height);
+
+	if(frame_width==0 || frame_height==0) return 0;
+
+	if(!selected_boundbox(sc, min, max))
+		return 0;
+
+	/* center view */
+	clip_view_center_to_point(sc, (max[0]+min[0])/(2*frame_width), (max[1]+min[1])/(2*frame_height));
+
+	w= max[0]-min[0];
+	h= max[1]-min[1];
+
+	/* set zoom to see all selection */
+	if(w>0 && h>0) {
+		int width, height;
+		float zoomx, zoomy, newzoom, aspx, aspy;
+
+		ED_space_clip_aspect(sc, &aspx, &aspy);
+
+		width= ar->winrct.xmax - ar->winrct.xmin + 1;
+		height= ar->winrct.ymax - ar->winrct.ymin + 1;
+
+		zoomx= (float)width/w/aspx;
+		zoomy= (float)height/h/aspy;
+
+		newzoom= 1.0f/power_of_2(1/MIN2(zoomx, zoomy));
+
+		if(fit || sc->zoom>newzoom)
+			sc->zoom= newzoom;
+	}
+
+	return 1;
+}
+
+void ED_clip_point_undistorted_pos(SpaceClip *sc, float co[2], float nco[2])
+{
+	copy_v2_v2(nco, co);
+
+	if(sc->user.render_flag&MCLIP_PROXY_RENDER_UNDISTORT) {
+		MovieClip *clip= ED_space_clip(sc);
+		float aspy= 1.0f/clip->tracking.camera.pixel_aspect;
+		int width, height;
+
+		ED_space_clip_size(sc, &width, &height);
+
+		nco[0]*= width;
+		nco[1]*= height*aspy;
+
+		BKE_tracking_invert_intrinsics(&clip->tracking, nco, nco);
+		nco[0]/= width;
+		nco[1]/= height*aspy;
+	}
+}
+
+void ED_clip_point_stable_pos(bContext *C, float x, float y, float *xr, float *yr)
+{
+	ARegion *ar= CTX_wm_region(C);
+	SpaceClip *sc= CTX_wm_space_clip(C);
+	int sx, sy, width, height;
+	float zoomx, zoomy, pos[3]={0.0f, 0.0f, 0.0f}, imat[4][4];
+
+	ED_space_clip_zoom(sc, ar, &zoomx, &zoomy);
+	ED_space_clip_size(sc, &width, &height);
+
+	UI_view2d_to_region_no_clip(&ar->v2d, 0.0f, 0.0f, &sx, &sy);
+
+	pos[0]= (x-sx)/zoomx;
+	pos[1]= (y-sy)/zoomy;
+
+	invert_m4_m4(imat, sc->stabmat);
+	mul_v3_m4v3(pos, imat, pos);
+
+	*xr= pos[0]/width;
+	*yr= pos[1]/height;
+
+	if(sc->user.render_flag&MCLIP_PROXY_RENDER_UNDISTORT) {
+		MovieClip *clip= ED_space_clip(sc);
+		MovieTracking *tracking= &clip->tracking;
+		float aspy= 1.0f/tracking->camera.pixel_aspect;
+		float tmp[2]= {*xr*width, *yr*height*aspy};
+
+		BKE_tracking_apply_intrinsics(tracking, tmp, tmp);
+
+		*xr= tmp[0]/width;
+		*yr= tmp[1]/(height*aspy);
+	}
+}
+
+void ED_clip_mouse_pos(bContext *C, wmEvent *event, float co[2])
+{
+	ED_clip_point_stable_pos(C, event->mval[0], event->mval[1], &co[0], &co[1]);
+}