/* === S Y N F I G ========================================================= */
/*! \file renderer_guides.cpp
** \brief Template File
**
** $Id$
**
** \legal
** Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
** Copyright (c) 2011 Nikita Kitaev
**
** 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
*/
/* ========================================================================= */
/* === H E A D E R S ======================================================= */
#ifdef USING_PCH
# include "pch.h"
#else
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include <synfig/general.h>
#include "renderer_guides.h"
#include "workarea.h"
#include <ETL/misc>
#include <gui/localization.h>
#endif
/* === U S I N G =========================================================== */
using namespace std;
using namespace etl;
using namespace synfig;
using namespace studio;
/* === M A C R O S ========================================================= */
/* === G L O B A L S ======================================================= */
/* === P R O C E D U R E S ================================================= */
/* === M E T H O D S ======================================================= */
Renderer_Guides::Renderer_Guides()//:
//dragging(false)
{
}
Renderer_Guides::~Renderer_Guides()
{
}
bool
Renderer_Guides::get_enabled_vfunc()const
{
return get_work_area()->get_show_guides();
}
std::list<float>&
Renderer_Guides::get_guide_list_x()
{
return get_work_area()->get_guide_list_x();
}
std::list<float>&
Renderer_Guides::get_guide_list_y()
{
return get_work_area()->get_guide_list_y();
}
bool
Renderer_Guides::event_vfunc(GdkEvent* /*event*/)
{
// TODO : All the guides stuff done in WorkArea::on_drawing_area_event(GdkEvent *event)
// could be done here for better code maintenance (or not).
return false;
}
void
Renderer_Guides::render_vfunc(
const Glib::RefPtr<Gdk::Window>& drawable,
const Gdk::Rectangle& /*expose_area*/
)
{
assert(get_work_area());
if(!get_work_area())
return;
int drawable_w = drawable->get_width();
int drawable_h = drawable->get_height();
Cairo::RefPtr<Cairo::Context> cr = drawable->create_cairo_context();
const synfig::Vector::value_type window_startx(get_work_area()->get_window_tl()[0]);
const synfig::Vector::value_type window_starty(get_work_area()->get_window_tl()[1]);
const float pw(get_pw()),ph(get_ph());
synfig::Color guides_color(get_work_area()->get_guides_color());
// Draw out the guides
{
Duckmatic::GuideList::const_iterator iter;
cr->save();
cr->set_line_cap(Cairo::LINE_CAP_BUTT);
cr->set_line_join(Cairo::LINE_JOIN_MITER);
cr->set_antialias(Cairo::ANTIALIAS_NONE);
cr->set_line_width(1.0);
std::valarray<double> dashes(2);
dashes[0]=5.0;
dashes[1]=5.0;
cr->set_dash(dashes, 0);
// vertical
for(iter=get_guide_list_x().begin();iter!=get_guide_list_x().end();++iter)
{
const float x((*iter-window_startx)/pw);
if(iter==get_work_area()->curr_guide)
cr->set_source_rgb(GDK_COLOR_TO_RGB(GUIDE_COLOR_CURRENT));
else
cr->set_source_rgb(guides_color.get_r(),guides_color.get_g(),guides_color.get_b());
cr->move_to(
x,
0
);
cr->line_to(
x,
drawable_h
);
cr->stroke();
}
// horizontal
for(iter=get_guide_list_y().begin();iter!=get_guide_list_y().end();++iter)
{
const float y((*iter-window_starty)/ph);
if(iter==get_work_area()->curr_guide)
cr->set_source_rgb(GDK_COLOR_TO_RGB(GUIDE_COLOR_CURRENT));
else
cr->set_source_rgb(guides_color.get_r(),guides_color.get_g(),guides_color.get_b());
cr->move_to(
0,
y
);
cr->line_to(
drawable_w,
y
);
cr->stroke();
}
cr->restore();
}
}