1 /* === S Y N F I G ========================================================= */
2 /*! \file simplecircle.cpp
3 ** \brief Implementation of the "Simple Circle" layer
8 ** Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
9 ** Copyright (c) 2008 Chris Moore
11 ** This package is free software; you can redistribute it and/or
12 ** modify it under the terms of the GNU General Public License as
13 ** published by the Free Software Foundation; either version 2 of
14 ** the License, or (at your option) any later version.
16 ** This package is distributed in the hope that it will be useful,
17 ** but WITHOUT ANY WARRANTY; without even the implied warranty of
18 ** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
19 ** General Public License for more details.
22 /* ========================================================================= */
24 /* === H E A D E R S ======================================================= */
33 #include <synfig/string.h>
34 #include <synfig/time.h>
35 #include <synfig/context.h>
36 #include <synfig/paramdesc.h>
37 #include <synfig/renddesc.h>
38 #include <synfig/surface.h>
39 #include <synfig/value.h>
40 #include <synfig/valuenode.h>
42 #include "simplecircle.h"
46 /* === U S I N G =========================================================== */
50 using namespace synfig;
52 /* === G L O B A L S ======================================================= */
54 SYNFIG_LAYER_INIT(SimpleCircle);
55 SYNFIG_LAYER_SET_NAME(SimpleCircle,"simple_circle");
56 SYNFIG_LAYER_SET_LOCAL_NAME(SimpleCircle,N_("Simple Circle"));
57 SYNFIG_LAYER_SET_CATEGORY(SimpleCircle,N_("Example"));
58 SYNFIG_LAYER_SET_VERSION(SimpleCircle,"0.1");
59 SYNFIG_LAYER_SET_CVS_ID(SimpleCircle,"$Id$");
61 /* === P R O C E D U R E S ================================================= */
63 /* === M E T H O D S ======================================================= */
65 /* === E N T R Y P O I N T ================================================= */
67 SimpleCircle::SimpleCircle():
68 Layer_Composite(1.0,Color::BLEND_COMPOSITE),
69 color(Color::black()),
73 Layer::Vocab voc(get_param_vocab());
74 Layer::fill_static(voc);
78 SimpleCircle::set_param(const String & param, const ValueBase &value)
84 return Layer_Composite::set_param(param,value);
88 SimpleCircle::get_param(const String ¶m)const
97 return Layer_Composite::get_param(param);
101 SimpleCircle::get_param_vocab()const
103 Layer::Vocab ret(Layer_Composite::get_param_vocab());
105 ret.push_back(ParamDesc("color")
106 .set_local_name(_("Color"))
109 ret.push_back(ParamDesc("center")
110 .set_local_name(_("Center"))
113 ret.push_back(ParamDesc("radius")
114 .set_local_name(_("Radius"))
115 .set_description(_("This is the radius of the circle"))
116 .set_origin("center")
123 SimpleCircle::get_color(Context context, const Point &pos)const
126 if((pos-center).mag()<radius)
128 if(get_amount()==1.0 && get_blend_method()==Color::BLEND_STRAIGHT)
131 return Color::blend(color,context.get_color(pos),get_amount(),get_blend_method());
134 return context.get_color(pos);
137 synfig::Layer::Handle
138 SimpleCircle::hit_check(synfig::Context context, const synfig::Point &pos)const
140 if((pos-center).mag()<radius)
141 return const_cast<SimpleCircle*>(this);
143 return context.hit_check(pos);
148 SimpleCircle::accelerated_render(Context context,Surface *surface,int quality, const RendDesc &renddesc, ProgressCallback *cb)const
150 if(get_amount()==1.0 && get_blend_method()==Color::BLEND_STRAIGHT)
152 // Mark our progress as starting
153 if(cb && !cb->amount_complete(0,1000))
156 surface->set_wh(renddesc.get_w(),renddesc.get_h());
157 surface->fill(color);
159 // Mark our progress as finished
160 if(cb && !cb->amount_complete(1000,1000))
166 SuperCallback supercb(cb,0,9500,10000);
168 if(!context.accelerated_render(surface,quality,renddesc,&supercb))
173 Surface::alpha_pen apen(surface->begin());
175 apen.set_value(color);
176 apen.set_alpha(get_amount());
177 apen.set_blend_method(get_blend_method());
179 for(y=0;y<renddesc.get_h();y++,apen.inc_y(),apen.dec_x(x))
180 for(x=0;x<renddesc.get_w();x++,apen.inc_x())
183 // Mark our progress as finished
184 if(cb && !cb->amount_complete(10000,10000))