119 lines
3.0 KiB
C++
119 lines
3.0 KiB
C++
/*
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Copyright (C) 2011-2013 Paul Davis
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Author: Carl Hetherington <cth@carlh.net>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include "canvas/flag.h"
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#include "canvas/text.h"
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#include "canvas/rectangle.h"
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#include "canvas/line.h"
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using namespace std;
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using namespace ArdourCanvas;
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Flag::Flag (Canvas* canvas, Distance height, Color outline_color, Color fill_color, Duple position, bool invert)
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: Container (canvas)
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, _outline_color (outline_color)
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, _fill_color (fill_color)
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, _invert (invert)
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{
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setup (height, position);
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}
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Flag::Flag (Item* parent, Distance height, Color outline_color, Color fill_color, Duple position, bool invert)
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: Container (parent)
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, _outline_color (outline_color)
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, _fill_color (fill_color)
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, _invert (invert)
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{
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setup (height, position);
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}
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void
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Flag::setup (Distance height, Duple position)
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{
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_text = new Text (this);
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_text->set_alignment (Pango::ALIGN_CENTER);
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_text->set_color (_outline_color);
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_line = new Line (this);
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_line->set_outline_color (_outline_color);
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_rectangle = new Rectangle (this);
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_rectangle->set_outline_color (_outline_color);
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_rectangle->set_fill_color (_fill_color);
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_text->raise_to_top ();
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set_height (height);
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set_position (position);
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}
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void
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Flag::set_font_description (Pango::FontDescription font_description)
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{
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_text->set_font_description (font_description);
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}
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void
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Flag::set_text (string const & text)
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{
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if (text.empty ()) {
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_text->set (" ");
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} else {
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_text->set (text);
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}
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boost::optional<Rect> bbox = _text->bounding_box ();
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assert (bbox);
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Duple flag_size (bbox.get().width() + 10, bbox.get().height() + 4);
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if (_invert) {
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const Distance h = fabs(_line->y1() - _line->y0());
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_text->set_position (Duple (5, h - flag_size.y + 2));
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_rectangle->set (Rect (0, h - flag_size.y, flag_size.x, h));
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} else {
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_text->set_position (Duple (5, 2));
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_rectangle->set (Rect (0, 0, flag_size.x, flag_size.y));
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}
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}
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void
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Flag::set_height (Distance h)
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{
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_line->set (Duple (0, 0), Duple (0, h));
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if (_invert) {
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boost::optional<Rect> bbox = _text->bounding_box ();
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if (bbox) {
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Duple flag_size (bbox.get().width() + 10, bbox.get().height() + 4);
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_rectangle->set (Rect (0, h - flag_size.y, flag_size.x, h));
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_text->set_position (Duple (5, h - flag_size.y + 2));
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}
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}
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}
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bool
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Flag::covers (Duple const & point) const
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{
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if (_rectangle) {
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return _rectangle->covers (point);
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}
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return false;
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}
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