X-Git-Url: https://git.pterodactylus.net/?a=blobdiff_plain;ds=sidebyside;f=synfig-studio%2Ftrunk%2Fsrc%2Fgtkmm%2Fworkarea.cpp;h=fc6bb847cf6b815b9a80fa2b157ec370a0bcd90f;hb=f83c48489a30958935cdab2e9f5b7c34bd72b390;hp=af6f2f3300f5bc6852fb80c51109c2cd19b24a13;hpb=c54f625fc791d3fec98dfbbf05ebe018f1dfeec0;p=synfig.git

diff --git a/synfig-studio/trunk/src/gtkmm/workarea.cpp b/synfig-studio/trunk/src/gtkmm/workarea.cpp
index af6f2f3..fc6bb84 100644
--- a/synfig-studio/trunk/src/gtkmm/workarea.cpp
+++ b/synfig-studio/trunk/src/gtkmm/workarea.cpp
@@ -828,18 +828,22 @@ WorkArea::~WorkArea()
 		render_idle_func_id=0;
 }
 
+#ifdef SINGLE_THREADED
 bool
 WorkArea::get_updating()const
 {
 	return App::single_threaded && async_renderer && async_renderer->updating;
 }
+#endif
 
+#ifdef SINGLE_THREADED
 void
 WorkArea::stop_updating(bool cancel)
 {
 	async_renderer->stop();
 	if (cancel) canceled_=true;
 }
+#endif
 
 void
 WorkArea::save_meta_data()
@@ -1367,15 +1371,19 @@ WorkArea::on_drawing_area_event(GdkEvent *event)
 						// if the tangent isn't split, then split it
 						if (!((*(parent_value_node->get_link("split")))(get_time()).get(bool())))
 						{
-							get_canvas_view()->canvas_interface()->
+							if (get_canvas_view()->canvas_interface()->
 								change_value(synfigapp::ValueDesc(parent_value_node,
 																  parent_value_node->get_link_index_from_name("split")),
-											 true);
-							// rebuild the ducks from scratch, so the tangents ducks aren't connected
-							get_canvas_view()->rebuild_ducks();
-
-							// reprocess the mouse click
-							return on_drawing_area_event(event);
+											 true))
+							{
+								// rebuild the ducks from scratch, so the tangents ducks aren't connected
+								get_canvas_view()->rebuild_ducks();
+
+								// reprocess the mouse click
+								return on_drawing_area_event(event);
+							}
+							else
+								return true;
 						}
 					} else {
 						// I don't know how to access the vertex from the tangent duck when originally drawing the bline in the bline tool
@@ -2129,8 +2137,6 @@ WorkArea::refresh(GdkEventExpose*event)
 		drawing_frame->unset_bg(Gtk::STATE_NORMAL);
 #endif
 
-	previous_focus=get_focus_point();
-
 	return true;
 }
 
@@ -2216,12 +2222,14 @@ public:
 bool
 studio::WorkArea::async_update_preview()
 {
+#ifdef SINGLE_THREADED
 	if (get_updating())
 	{
 		stop_updating();
 		queue_render_preview();
 		return false;
 	}
+#endif
 
 	async_renderer=0;
 
@@ -2275,7 +2283,7 @@ studio::WorkArea::async_update_preview()
 	// if we have lots of pixels to render and the tile renderer isn't disabled, use it
 	int div;
 	div = low_resolution ? low_res_pixel_size : 1;
-	if (w*h > 240*div*135*div && !getenv("SYNFIG_DISABLE_TILE_RENDER"))
+	if ((w*h > 240*div*135*div && !getenv("SYNFIG_DISABLE_TILE_RENDER")) || getenv("SYNFIG_FORCE_TILE_RENDER"))
 	{
 		// do a tile render
 		handle<WorkAreaTarget> trgt(new class WorkAreaTarget(this,w,h));
@@ -2573,20 +2581,25 @@ studio::WorkArea::zoom_out()
 void
 studio::WorkArea::zoom_fit()
 {
-	// This really doesn't zoom to fit. Bug.
-	zoom_norm();
+	float new_zoom(min(drawing_area->get_width() * zoom / w,
+					   drawing_area->get_height() * zoom / h) * 0.995);
+	if (zoom / new_zoom > 0.995 && new_zoom / zoom > 0.995)
+	{
+		set_zoom(prev_zoom);
+		return set_focus_point(previous_focus);
+	}
+	previous_focus = get_focus_point();
+	prev_zoom = zoom;
+	set_zoom(new_zoom);
+	set_focus_point(Point(0,0));
 }
 
 void
 studio::WorkArea::zoom_norm()
 {
-	if(zoom==1.0)
-		set_zoom(prev_zoom);
-	else
-	{
-		prev_zoom=zoom;
-		set_zoom(1.0f);
-	}
+	if (zoom == 1.0) return set_zoom(prev_zoom);
+	prev_zoom = zoom;
+	set_zoom(1.0f);
 }
 
 gboolean