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livetrax/libs/canvas/outline.cc

79 lines
1.9 KiB
C++

/*
* Copyright (C) 2012 Carl Hetherington <carl@carlh.net>
* Copyright (C) 2013-2014 Paul Davis <paul@linuxaudiosystems.com>
* Copyright (C) 2017 Robin Gareus <robin@gareus.org>
*
* 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/context.h>
#include "pbd/compose.h"
#include "pbd/convert.h"
#include "canvas/item.h"
#include "canvas/outline.h"
#include "canvas/debug.h"
using namespace ArdourCanvas;
Outline::Outline (Item& self)
: _self (self)
, _outline_color (0x000000ff)
, _outline_width (1.0)
, _outline (true)
{
}
void
Outline::set_outline_color (Gtkmm2ext::Color color)
{
if (color != _outline_color) {
_self.begin_visual_change ();
_outline_color = color;
_self.end_visual_change ();
}
}
void
Outline::set_outline_width (Distance width)
{
if (width != _outline_width) {
_self.begin_change ();
_outline_width = width;
_self.set_bbox_dirty ();
_self.end_change ();
}
}
void
Outline::set_outline (bool outline)
{
if (outline != _outline) {
_self.begin_change ();
_outline = outline;
_self.set_bbox_dirty ();
_self.end_change ();
}
}
void
Outline::setup_outline_context (Cairo::RefPtr<Cairo::Context> context) const
{
Gtkmm2ext::set_source_rgba (context, _outline_color);
context->set_line_width (_outline_width);
}