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livetrax/libs/canvas/canvas/fill.h

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/*
Copyright (C) 2011-2013 Paul Davis
Author: Carl Hetherington <cth@carlh.net>
This program 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 program 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.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#ifndef __CANVAS_FILL_H__
#define __CANVAS_FILL_H__
#include <vector>
#include <stdint.h>
#include <boost/noncopyable.hpp>
#include "canvas/visibility.h"
#include "canvas/types.h"
namespace ArdourCanvas {
class Item;
class LIBCANVAS_API Fill : public boost::noncopyable
{
public:
Fill (Item& self);
virtual ~Fill() {}
virtual void set_fill_color (Color);
virtual void set_fill (bool);
Color fill_color () const {
return _fill_color;
}
bool fill () const {
return _fill;
}
typedef std::vector<std::pair<double,Color> > StopList;
void set_gradient (StopList const & stops, bool is_vertical);
void set_pattern (Cairo::RefPtr<Cairo::Pattern>);
protected:
void setup_fill_context (Cairo::RefPtr<Cairo::Context>) const;
void setup_gradient_context (Cairo::RefPtr<Cairo::Context>, Rect const &, Duple const &) const;
Item& _self;
Color _fill_color;
bool _fill;
bool _transparent;
StopList _stops;
bool _vertical_gradient;
Cairo::RefPtr<Cairo::Pattern> _pattern;
};
}
#endif