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/*
* Copyright (C) 2014-2015 Paul Davis <paul@linuxaudiosystems.com>
*
* 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.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 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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