/* === 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++/sigc++.h>
#include <synfig/vector.h>
#include <gdkmm/window.h>
#include <gdkmm/rectangle.h>
/* === M A C R O S ========================================================= */
#define GDK_COLOR_TO_RGB(color) \
color.get_red_p (), color.get_green_p (), color.get_blue_p ()
/* === 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::Window>& 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