/* === S Y N F I G ========================================================= */
/*! \file rectangle.cpp
** \brief Implementation of the "Rectangle" layer
**
** $Id$
**
** \legal
** Copyright (c) 2002 Robert B. Quattlebaum Jr.
** Copyright (c) 2007, 2008 Chris Moore
** Copyright (c) 2011-2013 Carlos López
**
** 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 <ETL/misc>
#include <synfig/localization.h>
#include <synfig/general.h>
#include "rectangle.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(Rectangle);
SYNFIG_LAYER_SET_NAME(Rectangle,"rectangle");
SYNFIG_LAYER_SET_LOCAL_NAME(Rectangle,N_("Rectangle"));
SYNFIG_LAYER_SET_CATEGORY(Rectangle,N_("Geometry"));
SYNFIG_LAYER_SET_VERSION(Rectangle,"0.2");
SYNFIG_LAYER_SET_CVS_ID(Rectangle,"$Id$");
/* === 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 ================================================= */
Rectangle::Rectangle():
param_point1(ValueBase(Point(0,0))),
param_point2(ValueBase(Point(1,1))),
param_expand(ValueBase(Real(0))),
param_feather_x(ValueBase(Real(0))),
param_feather_y(ValueBase(Real(0))),
param_bevel(ValueBase(Real(0))),
param_bevCircle(ValueBase(bool(true)))
{
SET_INTERPOLATION_DEFAULTS();
SET_STATIC_DEFAULTS();
}
void
Rectangle::sync_vfunc()
{
Real expand = fabs(param_expand.get(Real()));
Real bevel = fabs(param_bevel.get(Real()));
Point p0 = param_point1.get(Point());
Point p1 = param_point2.get(Point());
if (p1[0] < p0[0]) swap(p0[0], p1[0]);
if (p1[1] < p0[1]) swap(p0[1], p1[1]);
bool bev_circle = param_bevCircle.get(bool());
Real w = p1[0] - p0[0] + 2*expand;
Real h = p1[1] - p0[1] + 2*expand;
Real bev = (bevel > 1) ? 1 : bevel;
Real bevx = bev_circle ? min(w*bev/2.0, h*bev/2.0) : w*bev/2.0;
Real bevy = bev_circle ? min(w*bev/2.0, h*bev/2.0) : h*bev/2.0;
clear();
if (approximate_equal(bevel, 0.0))
{
move_to(p0[0] - expand, p0[1] - expand);
line_to(p1[0] + expand, p0[1] - expand);
line_to(p1[0] + expand, p1[1] + expand);
line_to(p0[0] - expand, p1[1] + expand);
close();
}
else
{
move_to (p1[0] + expand -bevx, p0[1]-expand);
conic_to(p1[0]+expand, p0[1]-expand+bevy, p1[0]+expand, p0[1]-expand);
line_to (p1[0]+expand, p1[1]+expand-bevy);
conic_to(p1[0]+expand-bevx, p1[1]+expand, p1[0]+expand, p1[1]+expand);
line_to (p0[0]-expand+bevx, p1[1]+expand);
conic_to(p0[0]-expand, p1[1]+expand-bevy, p0[0]-expand, p1[1]+expand);
line_to (p0[0]-expand, p0[1]-expand+bevy);
conic_to(p0[0]-expand+bevx, p0[1]-expand, p0[0]-expand, p0[1]-expand);
close();
}
}
bool
Rectangle::set_shape_param(const synfig::String & param, const synfig::ValueBase &value)
{
IMPORT_VALUE(param_point1);
IMPORT_VALUE(param_point2);
IMPORT_VALUE(param_expand);
IMPORT_VALUE(param_bevel);
IMPORT_VALUE(param_bevCircle);
return false;
}
bool
Rectangle::set_param(const String & param, const ValueBase &value)
{
if (set_shape_param(param, value))
{ force_sync(); return true; }
IMPORT_VALUE_PLUS(param_feather_x,
{
Real feather_x=param_feather_x.get(Real());
if(feather_x<0) feather_x=0;
param_feather_x.set(feather_x);
set_feather(Vector(feather_x, get_feather()[1]));
});
IMPORT_VALUE_PLUS(param_feather_y,
{
Real feather_y=param_feather_y.get(Real());
if(feather_y<0) feather_y=0;
param_feather_y.set(feather_y);
set_feather(Vector(get_feather()[0], feather_y));
});
if ( param == "color"
|| param == "invert" )
return Layer_Polygon::set_param(param, value);
return Layer_Composite::set_param(param,value);
}
ValueBase
Rectangle::get_param(const String ¶m)const
{
EXPORT_VALUE(param_point1);
EXPORT_VALUE(param_point2);
EXPORT_VALUE(param_expand);
EXPORT_VALUE(param_feather_x);
EXPORT_VALUE(param_feather_y);
EXPORT_VALUE(param_bevel);
EXPORT_VALUE(param_bevCircle);
EXPORT_NAME();
EXPORT_VERSION();
if ( param == "color"
|| param == "invert" )
return Layer_Polygon::get_param(param);
return Layer_Composite::get_param(param);
}
Layer::Vocab
Rectangle::get_param_vocab()const
{
Layer::Vocab ret(Layer_Composite::get_param_vocab());
Layer::Vocab polygon(Layer_Polygon::get_param_vocab());
ret.push_back(polygon["color"]);
ret.push_back(ParamDesc("point1")
.set_local_name(_("Point 1"))
.set_box("point2")
.set_description(_("First corner of the rectangle"))
);
ret.push_back(ParamDesc("point2")
.set_local_name(_("Point 2"))
.set_description(_("Second corner of the rectangle"))
);
ret.push_back(ParamDesc("expand")
.set_is_distance()
.set_local_name(_("Expand amount"))
);
ret.push_back(polygon["invert"]);
ret.push_back(ParamDesc("feather_x")
.set_local_name(_("Feather X"))
.set_is_distance()
);
ret.push_back(ParamDesc("feather_y")
.set_local_name(_("Feather Y"))
.set_is_distance()
);
ret.push_back(ParamDesc("bevel")
.set_local_name(_("Bevel"))
.set_description(_("Use Bevel for the corners"))
.set_is_distance()
);
ret.push_back(ParamDesc("bevCircle")
.set_local_name(_("Keep Bevel Circular"))
.set_description(_("When checked the bevel is circular"))
);
return ret;
}