-/* === S Y N F I G ========================================================= */
-/*! \file workarearenderer.h
-** \brief Template Header
-**
-** $Id$
-**
-** \legal
-** Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
-**
-** This package 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 package 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.
-** \endlegal
-*/
-/* ========================================================================= */
-
-/* === S T A R T =========================================================== */
-
-#ifndef __SYNFIG_WORKAREARENDERER_H
-#define __SYNFIG_WORKAREARENDERER_H
-
-/* === H E A D E R S ======================================================= */
-
-#include <ETL/handle>
-#include <sigc++/signal.h>
-#include <sigc++/object.h>
-#include <synfig/vector.h>
-#include <gdkmm/drawable.h>
-#include <gdkmm/rectangle.h>
-
-/* === M A C R O S ========================================================= */
-
-/* === T Y P E D E F S ===================================================== */
-
-/* === C L A S S E S & S T R U C T S ======================================= */
-
-namespace studio {
-class WorkArea;
-
-class WorkAreaRenderer : public etl::shared_object, public sigc::trackable
-{
-public:
- typedef etl::handle<WorkAreaRenderer> Handle;
- typedef etl::loose_handle<WorkAreaRenderer> LooseHandle;
-
-private:
- bool enabled_;
- int priority_;
-
- sigc::signal<void> signal_changed_;
-
- WorkArea* work_area_;
-
-public:
-
- sigc::signal<void>& signal_changed() { return signal_changed_; }
-
-public:
- int get_w()const;
- int get_h()const;
-
- float get_pw()const;
- float get_ph()const;
-
- //! Converts screen coords (ie: pixels) to composition coordinates
- synfig::Point screen_to_comp_coords(synfig::Point pos)const;
-
- //! Converts composition coordinates to screen coords (ie: pixels)
- synfig::Point comp_to_screen_coords(synfig::Point pos)const;
-
- WorkAreaRenderer();
- virtual ~WorkAreaRenderer();
-
- bool get_enabled()const { return get_enabled_vfunc(); }
- int get_priority()const { return priority_; }
- WorkArea* get_work_area()const { return work_area_; }
-
- void set_enabled(bool x);
- void set_priority(int x);
- void set_work_area(WorkArea* work_area_);
-
- virtual void render_vfunc(
- const Glib::RefPtr<Gdk::Drawable>& window,
- const Gdk::Rectangle& expose_area
- );
-
- virtual bool event_vfunc(
- GdkEvent* event
- );
-
-protected:
-
- virtual bool get_enabled_vfunc()const;
-
-public:
- bool operator<(const WorkAreaRenderer &rhs)
- { return priority_<rhs.priority_; }
-};
-
-inline bool operator<(const WorkAreaRenderer::Handle &lhs,const WorkAreaRenderer::Handle &rhs)
- { return lhs->get_priority() < rhs->get_priority(); }
-
-inline bool operator<(const WorkAreaRenderer::LooseHandle &lhs,const WorkAreaRenderer::LooseHandle &rhs)
- { return lhs->get_priority() < rhs->get_priority(); }
-
-}; // END of namespace studio
-
-/* === E N D =============================================================== */
-
-#endif