84 lines
2.1 KiB
C++
84 lines
2.1 KiB
C++
/*
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Copyright (C) 2014 Paul Davis
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#ifndef __canvas_stateful_image_h__
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#define __canvas_stateful_image_h__
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#include <string>
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#include <vector>
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#include <map>
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#include <cairomm/cairomm.h>
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#include "canvas/item.h"
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class XMLNode;
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namespace Pango {
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class FontDescription;
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}
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namespace ArdourCanvas {
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class StatefulImage : public Item
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{
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private:
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typedef Cairo::RefPtr<Cairo::ImageSurface> ImageHandle;
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class State {
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public:
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ImageHandle image;
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};
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typedef std::vector<State> States;
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public:
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StatefulImage (Group*, const XMLNode&);
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~StatefulImage ();
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bool set_state (States::size_type);
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void set_text (const std::string&);
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void render (Rect const & area, Cairo::RefPtr<Cairo::Context>) const;
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void compute_bounding_box () const;
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static void set_image_search_path (const std::string&);
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private:
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States _states;
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States::size_type _state;
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std::string _text;
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Pango::FontDescription* _font;
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uint32_t _text_color;
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double _text_x;
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double _text_y;
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int load_states (const XMLNode&);
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typedef std::map<std::string,Cairo::RefPtr<Cairo::ImageSurface> > ImageCache;
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static ImageCache _image_cache;
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static PBD::Searchpath _image_search_path;
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static ImageHandle find_image (const std::string&);
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};
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}
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#endif /* __canvas_stateful_image_h__ */
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