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/*****************************************************************************
*
* This file is part of Mapnik (c++ mapping toolkit)
*
* Copyright (C) 2011 Artem Pavlenko
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
*****************************************************************************/
#include <mapnik/gradient.hpp>
#include <iostream>
namespace mapnik
{
static const char * gradient_strings[] = {
"no-gradient",
"linear",
"radial",
""
};
IMPLEMENT_ENUM( gradient_e, gradient_strings )
gradient::gradient()
: gradient_type_(NO_GRADIENT),
stops_(),
x1_(0),
y1_(0),
x2_(0),
y2_(0),
r_(0),
units_(OBJECT_BOUNDING_BOX),
transform_()
{}
gradient::gradient(gradient const& other)
: gradient_type_(other.gradient_type_),
stops_(other.stops_),
x1_(other.x1_),
y1_(other.y1_),
x2_(other.x2_),
y2_(other.y2_),
r_(other.r_),
units_(other.units_),
transform_(other.transform_)
{}
gradient & gradient::operator=(const gradient& rhs)
{
gradient tmp(rhs);
swap(tmp);
return *this;
}
void gradient::set_gradient_type(gradient_e grad)
{
gradient_type_=grad;
}
gradient_e gradient::get_gradient_type() const
{
return gradient_type_;
}
void gradient::set_transform(agg::trans_affine const& transform)
{
transform_ = transform;
}
agg::trans_affine const& gradient::get_transform() const
{
return transform_;
}
void gradient::set_units(gradient_unit_e units)
{
units_ = units;
}
gradient_unit_e gradient::get_units() const
{
return units_;
}
void gradient::add_stop(double offset,mapnik::color const& c)
{
stops_.push_back(mapnik::stop_pair(offset,c));
}
bool gradient::has_stop() const
{
return ! stops_.empty();
}
stop_array const& gradient::get_stop_array() const
{
return stops_;
}
void gradient::swap(const gradient& other) throw()
{
gradient_type_=other.gradient_type_;
stops_=other.stops_;
units_=other.units_;
transform_=other.transform_;
other.get_control_points(x1_,y1_,x2_,y2_,r_);
}
void gradient::set_control_points(double x1, double y1, double x2, double y2, double r)
{
x1_ = x1;
y1_ = y1;
x2_ = x2;
y2_ = y2;
r_ = r;
}
void gradient::get_control_points(double &x1, double &y1, double &x2, double &y2, double &r) const
{
get_control_points(x1,y1,x2,y2);
r=r_;
}
void gradient::get_control_points(double &x1, double &y1, double &x2, double &y2) const
{
x1 = x1_;
y1 = y1_;
x2 = x2_;
y2 = y2_;
}
}
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