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/*
Copyright (C) 2014 Paul Davis
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_stateful_image_h__
#define __canvas_stateful_image_h__
#include <string>
#include <vector>
#include <map>
#include <cairomm/cairomm.h>
#include "canvas/item.h"
class XMLNode;
namespace Pango {
class FontDescription;
}
namespace ArdourCanvas {
class StatefulImage : public Item
{
private:
typedef Cairo::RefPtr<Cairo::ImageSurface> ImageHandle;
class State {
public:
ImageHandle image;
};
typedef std::vector<State> States;
public:
StatefulImage (Canvas*, const XMLNode&);
StatefulImage (Item*, const XMLNode&);
~StatefulImage ();
bool set_state (States::size_type);
void set_text (const std::string&);
void render (Rect const & area, Cairo::RefPtr<Cairo::Context>) const;
void compute_bounding_box () const;
static void set_image_search_path (const std::string&);
private:
States _states;
States::size_type _state;
std::string _text;
Pango::FontDescription* _font;
uint32_t _text_color;
double _text_x;
double _text_y;
int load_states (const XMLNode&);
typedef std::map<std::string,Cairo::RefPtr<Cairo::ImageSurface> > ImageCache;
static ImageCache _image_cache;
static PBD::Searchpath _image_search_path;
static ImageHandle find_image (const std::string&);
};
}
#endif /* __canvas_stateful_image_h__ */
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