X-Git-Url: https://git.pterodactylus.net/?a=blobdiff_plain;f=synfig-studio%2Ftrunk%2Fsrc%2Fgtkmm%2Fpreview.cpp;h=78f8749eed7294313dd7dfac0d444d27ca56d66a;hb=9fec9e45acee8a602a11699eac2dea3a0bfe4154;hp=682ad5023da4e57c69ebc2fdd21b7da818e82acf;hpb=837b63e9fb829d66d43f4f169861f8979f76820d;p=synfig.git

diff --git a/synfig-studio/trunk/src/gtkmm/preview.cpp b/synfig-studio/trunk/src/gtkmm/preview.cpp
index 682ad50..78f8749 100644
--- a/synfig-studio/trunk/src/gtkmm/preview.cpp
+++ b/synfig-studio/trunk/src/gtkmm/preview.cpp
@@ -6,6 +6,7 @@
 **
 **	\legal
 **	Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
+**	Copyright (c) 2007 Chris Moore
 **
 **	This package is free software; you can redistribute it and/or
 **	modify it under the terms of the GNU General Public License as
@@ -104,7 +105,7 @@ public:
 		return false;
 	}
 
-	virtual bool start_frame(ProgressCallback *cb=NULL)
+	virtual bool start_frame(ProgressCallback */*cb*/=NULL)
 	{
 		return true;
 	}
@@ -214,8 +215,8 @@ void studio::Preview::render()
 
 		//setting the description
 
-		//HACK - BECAUSE THE RENDERER CAN'T RENDER INCLUDING THE LAST FRAME
-		desc.set_time_end(desc.get_time_end() + 1.3/fps);
+		//HACK - add on one extra frame because the renderer can't render the last frame
+		desc.set_time_end(desc.get_time_end() + 1.000001/fps);
 
 		target->set_rend_desc(&desc);
 
@@ -255,7 +256,7 @@ void studio::Preview::frame_finish(const Preview_Target *targ)
 	if(!buffer)
 		return;
 
-	//convert all the pixles to the pixbuf... buffer... thing...
+	//convert all the pixels to the pixbuf... buffer... thing...
 	//synfig::warning("Converting...");
 	convert_color_format(buffer, surf[0], surf.get_w()*surf.get_h(), pf, App::gamma);
 
@@ -514,7 +515,7 @@ void studio::Widget_Preview::preview_draw()
 	draw_area.queue_draw();//on_expose_event();
 }
 
-bool studio::Widget_Preview::redraw(GdkEventExpose *heh)
+bool studio::Widget_Preview::redraw(GdkEventExpose */*heh*/)
 {
 	//And render the drawing area
 	Glib::RefPtr<Gdk::Pixbuf> pxnew, px = currentbuf;
@@ -857,10 +858,15 @@ void studio::Widget_Preview::repreview()
 
 void studio::Widget_Preview::stoprender()
 {
+	// don't crash if the render has already been stopped
+	if (!preview->renderer)
+		return;
+
 	if(preview)
-	{
-		preview->renderer.detach();
-	}
+		if (preview->renderer->updating)
+			preview->renderer->stop();
+		else
+			preview->renderer.detach();
 }
 
 void studio::Widget_Preview::eraseall()