1 /* === S Y N F I G ========================================================= */
2 /*!	\file synfig/rendering/common/task/tasklayer.cpp
3 **	\brief TaskLayer
4 **
5 **	$Id$
6 **
7 **	\legal
8 **	......... ... 2016 Ivan Mahonin
9 **
10 **	This package is free software; you can redistribute it and/or
11 **	modify it under the terms of the GNU General Public License as
12 **	published by the Free Software Foundation; either version 2 of
13 **	the License, or (at your option) any later version.
14 **
15 **	This package is distributed in the hope that it will be useful,
16 **	but WITHOUT ANY WARRANTY; without even the implied warranty of
17 **	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
18 **	General Public License for more details.
19 **	\endlegal
20 */
21 /* ========================================================================= */
22 
23 /* === H E A D E R S ======================================================= */
24 
25 #ifdef USING_PCH
26 #	include "pch.h"
27 #else
28 #ifdef HAVE_CONFIG_H
29 #	include <config.h>
30 #endif
31 
32 #ifndef _WIN32
33 #include <unistd.h>
34 #include <sys/types.h>
35 #include <signal.h>
36 #endif
37 
38 #include "tasklayer.h"
39 
40 #include <synfig/context.h>
41 #include <synfig/layers/layer_rendering_task.h>
42 
43 #endif
44 
45 using namespace synfig;
46 using namespace rendering;
47 
48 /* === M A C R O S ========================================================= */
49 
50 /* === G L O B A L S ======================================================= */
51 
52 /* === P R O C E D U R E S ================================================= */
53 
54 /* === M E T H O D S ======================================================= */
55 
56 Rect
calc_bounds() const57 TaskLayer::calc_bounds() const
58 {
59 	if (!layer) return Rect::zero();
60 
61 	etl::handle<Layer_RenderingTask> sub_layer(new Layer_RenderingTask());
62 	sub_layer->tasks.push_back(sub_task());
63 
64 	CanvasBase fake_canvas_base;
65 	fake_canvas_base.push_back(layer);
66 	fake_canvas_base.push_back(sub_layer);
67 	fake_canvas_base.push_back(Layer::Handle());
68 
69 	Context context(fake_canvas_base.begin(), ContextParams());
70 	return context.get_full_bounding_rect();
71 }
72 
73 /* === E N T R Y P O I N T ================================================= */
74