ardour/libs/canvas/pixbuf.cc

74 lines
1.7 KiB
C++

/*
* Copyright (C) 2012 Carl Hetherington <carl@carlh.net>
* Copyright (C) 2013-2015 Robin Gareus <robin@gareus.org>
* Copyright (C) 2013-2017 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.
*/
#include <cairomm/cairomm.h>
#include <gdkmm/general.h>
#include "canvas/pixbuf.h"
using namespace std;
using namespace ArdourCanvas;
Pixbuf::Pixbuf (Canvas* c)
: Item (c)
{
}
Pixbuf::Pixbuf (Item* parent)
: Item (parent)
{
}
void
Pixbuf::render (Rect const & /*area*/, Cairo::RefPtr<Cairo::Context> context) const
{
Gdk::Cairo::set_source_pixbuf (context, _pixbuf, 0, 0);
context->paint ();
}
void
Pixbuf::compute_bounding_box () const
{
if (_pixbuf) {
_bounding_box = Rect (Rect (0, 0, _pixbuf->get_width(), _pixbuf->get_height()));
} else {
_bounding_box = Rect ();
}
bb_clean ();
}
void
Pixbuf::set (Glib::RefPtr<Gdk::Pixbuf> pixbuf)
{
begin_change ();
_pixbuf = pixbuf;
_bounding_box_dirty = true;
end_change ();
}
Glib::RefPtr<Gdk::Pixbuf>
Pixbuf::pixbuf() {
return _pixbuf;
}