1 /* === S Y N F I G ========================================================= */
2 /*!	\file lumakey.h
3 **	\brief Header file for implementation of the "Luma Key" layer
4 **
5 **	$Id$
6 **
7 **	\legal
8 **	Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
9 **	Copyright (c) 2008 Chris Moore
10 **	Copyright (c) 2012-2013 Carlos López
11 **
12 **	This package is free software; you can redistribute it and/or
13 **	modify it under the terms of the GNU General Public License as
14 **	published by the Free Software Foundation; either version 2 of
15 **	the License, or (at your option) any later version.
16 **
17 **	This package is distributed in the hope that it will be useful,
18 **	but WITHOUT ANY WARRANTY; without even the implied warranty of
19 **	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
20 **	General Public License for more details.
21 **	\endlegal
22 **
23 ** === N O T E S ===========================================================
24 **
25 ** ========================================================================= */
26 
27 /* === S T A R T =========================================================== */
28 
29 #ifndef __SYNFIG_LUMAKEY_H
30 #define __SYNFIG_LUMAKEY_H
31 
32 /* === H E A D E R S ======================================================= */
33 
34 #include <synfig/layers/layer_composite_fork.h>
35 #include <synfig/color.h>
36 #include <synfig/vector.h>
37 
38 /* === M A C R O S ========================================================= */
39 
40 /* === T Y P E D E F S ===================================================== */
41 
42 /* === C L A S S E S & S T R U C T S ======================================= */
43 
44 using namespace synfig;
45 using namespace std;
46 using namespace etl;
47 
48 class LumaKey : public Layer_CompositeFork, public Layer_NoDeform
49 {
50 	SYNFIG_LAYER_MODULE_EXT
51 private:
52 
53 public:
54 	LumaKey();
55 
56 	virtual bool set_param(const String & param, const ValueBase &value);
57 
58 	virtual ValueBase get_param(const String & param)const;
59 
60 	virtual Color get_color(Context context, const Point &pos)const;
61 
62 	virtual Vocab get_param_vocab()const;
63 
64 	Layer::Handle hit_check(Context context, const Point &point)const;
65 	using Layer::get_bounding_rect;
66 	virtual Rect get_bounding_rect(Context context)const;
67 
68 	virtual bool accelerated_render(Context context,Surface *surface,int quality, const RendDesc &renddesc, ProgressCallback *cb)const;
69 	virtual bool accelerated_cairorender(Context context, cairo_t *cr, int quality, const RendDesc &renddesc, ProgressCallback *cb)const;
reads_context()70 	virtual bool reads_context()const { return true; }
71 
72 protected:
73 	virtual rendering::Task::Handle build_rendering_task_vfunc(Context context) const;
74 }; // END of class LumaKey
75 
76 /* === E N D =============================================================== */
77 
78 #endif
79