/* === S Y N F I G ========================================================= */
/*! \file simplecircle.cpp
** \brief Implementation of the "Simple Circle" layer
**
** $Id$
**
** \legal
** Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
** Copyright (c) 2008 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
** published by the Free Software Foundation; either version 2 of
** the License, or (at your option) any later version.
**
** This package is distributed in the hope that it will be useful,
** but WITHOUT ANY WARRANTY; without even the implied warranty of
** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
** General Public License for more details.
** \endlegal
*/
/* ========================================================================= */
/* === H E A D E R S ======================================================= */
#ifdef USING_PCH
# include "pch.h"
#else
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include <synfig/string.h>
#include <synfig/time.h>
#include <synfig/context.h>
#include <synfig/paramdesc.h>
#include <synfig/renddesc.h>
#include <synfig/surface.h>
#include <synfig/value.h>
#include <synfig/valuenode.h>
#include "simplecircle.h"
#endif
/* === U S I N G =========================================================== */
using namespace etl;
using namespace std;
using namespace synfig;
/* === G L O B A L S ======================================================= */
SYNFIG_LAYER_INIT(SimpleCircle);
SYNFIG_LAYER_SET_NAME(SimpleCircle,"simple_circle");
SYNFIG_LAYER_SET_LOCAL_NAME(SimpleCircle,N_("Simple Circle"));
SYNFIG_LAYER_SET_CATEGORY(SimpleCircle,N_("Example"));
SYNFIG_LAYER_SET_VERSION(SimpleCircle,"0.1");
SYNFIG_LAYER_SET_CVS_ID(SimpleCircle,"$Id$");
/* === P R O C E D U R E S ================================================= */
/* === M E T H O D S ======================================================= */
/* === E N T R Y P O I N T ================================================= */
SimpleCircle::SimpleCircle():
Layer_Composite(1.0,Color::BLEND_STRAIGHT),
color(Color::black()),
center(0,0),
radius(0.5)
{
}
bool
SimpleCircle::set_param(const String & param, const ValueBase &value)
{
IMPORT(color);
IMPORT(center);
IMPORT(radius);
return Layer_Composite::set_param(param,value);
}
ValueBase
SimpleCircle::get_param(const String ¶m)const
{
EXPORT(color);
EXPORT(center);
EXPORT(radius);
EXPORT_NAME();
EXPORT_VERSION();
return Layer_Composite::get_param(param);
}
Layer::Vocab
SimpleCircle::get_param_vocab()const
{
Layer::Vocab ret(Layer_Composite::get_param_vocab());
ret.push_back(ParamDesc("color")
.set_local_name(_("Color"))
);
ret.push_back(ParamDesc("center")
.set_local_name(_("Center"))
);
ret.push_back(ParamDesc("radius")
.set_local_name(_("Radius"))
.set_description(_("This is the radius of the circle"))
.set_origin("center")
);
return ret;
}
Color
SimpleCircle::get_color(Context context, const Point &pos)const
{
if((pos-center).mag()<radius)
{
if(get_amount()==1.0 && get_blend_method()==Color::BLEND_STRAIGHT)
return color;
else
return Color::blend(color,context.get_color(pos),get_amount(),get_blend_method());
}
else
return context.get_color(pos);
}
synfig::Layer::Handle
SimpleCircle::hit_check(synfig::Context context, const synfig::Point &pos)const
{
if((pos-center).mag()<radius)
return const_cast<SimpleCircle*>(this);
else
return context.hit_check(pos);
}
/*
bool
SimpleCircle::accelerated_render(Context context,Surface *surface,int quality, const RendDesc &renddesc, ProgressCallback *cb)const
{
if(get_amount()==1.0 && get_blend_method()==Color::BLEND_STRAIGHT)
{
// Mark our progress as starting
if(cb && !cb->amount_complete(0,1000))
return false;
surface->set_wh(renddesc.get_w(),renddesc.get_h());
surface->fill(color);
// Mark our progress as finished
if(cb && !cb->amount_complete(1000,1000))
return false;
return true;
}
SuperCallback supercb(cb,0,9500,10000);
if(!context.accelerated_render(surface,quality,renddesc,&supercb))
return false;
int x,y;
Surface::alpha_pen apen(surface->begin());
apen.set_value(color);
apen.set_alpha(get_amount());
apen.set_blend_method(get_blend_method());
for(y=0;y<renddesc.get_h();y++,apen.inc_y(),apen.dec_x(x))
for(x=0;x<renddesc.get_w();x++,apen.inc_x())
apen.put_value();
// Mark our progress as finished
if(cb && !cb->amount_complete(10000,10000))
return false;
return true;
}
*/