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/*
Copyright (C) 2011-2013 Paul Davis
Author: Carl Hetherington <cth@carlh.net>
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., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include "canvas/flag.h"
#include "canvas/text.h"
#include "canvas/rectangle.h"
#include "canvas/line.h"
using namespace std;
using namespace ArdourCanvas;
Flag::Flag (Canvas* canvas, Distance height, Color outline_color, Color fill_color, Duple position, bool invert)
: Container (canvas)
, _outline_color (outline_color)
, _fill_color (fill_color)
, _invert (invert)
{
setup (height, position);
}
Flag::Flag (Item* parent, Distance height, Color outline_color, Color fill_color, Duple position, bool invert)
: Container (parent)
, _outline_color (outline_color)
, _fill_color (fill_color)
, _invert (invert)
{
setup (height, position);
}
void
Flag::setup (Distance height, Duple position)
{
_text = new Text (this);
_text->set_alignment (Pango::ALIGN_CENTER);
_text->set_color (_outline_color);
_line = new Line (this);
_line->set_outline_color (_outline_color);
_rectangle = new Rectangle (this);
_rectangle->set_outline_color (_outline_color);
_rectangle->set_fill_color (_fill_color);
_text->raise_to_top ();
set_height (height);
set_position (position);
}
void
Flag::set_font_description (Pango::FontDescription font_description)
{
_text->set_font_description (font_description);
}
void
Flag::set_text (string const & text)
{
if (text.empty ()) {
_text->set (" ");
} else {
_text->set (text);
}
boost::optional<Rect> bbox = _text->bounding_box ();
assert (bbox);
Duple flag_size (bbox.get().width() + 10, bbox.get().height() + 4);
if (_invert) {
const Distance h = fabs(_line->y1() - _line->y0());
_text->set_position (Duple (5, h - flag_size.y + 2));
_rectangle->set (Rect (0, h - flag_size.y, flag_size.x, h));
} else {
_text->set_position (Duple (5, 2));
_rectangle->set (Rect (0, 0, flag_size.x, flag_size.y));
}
}
void
Flag::set_height (Distance h)
{
_line->set (Duple (0, 0), Duple (0, h));
if (_invert) {
boost::optional<Rect> bbox = _text->bounding_box ();
if (bbox) {
Duple flag_size (bbox.get().width() + 10, bbox.get().height() + 4);
_rectangle->set (Rect (0, h - flag_size.y, flag_size.x, h));
_text->set_position (Duple (5, h - flag_size.y + 2));
}
}
}
bool
Flag::covers (Duple const & point) const
{
if (_rectangle) {
return _rectangle->covers (point);
}
return false;
}
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