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/* ========================================================================
* PlantUML : a free UML diagram generator
* ========================================================================
*
* (C) Copyright 2009-2017, Arnaud Roques
*
* Project Info: http://plantuml.com
*
* If you like this project or if you find it useful, you can support us at:
*
* http://plantuml.com/patreon (only 1$ per month!)
* http://plantuml.com/paypal
*
* This file is part of PlantUML.
*
* PlantUML 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 3 of the License, or
* (at your option) any later version.
*
* PlantUML 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 library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
* USA.
*
*
* Original Author: Arnaud Roques
*
*/
package net.sourceforge.plantuml.timingdiagram;
import java.awt.Font;
import java.awt.geom.Dimension2D;
import java.awt.geom.Point2D;
import net.sourceforge.plantuml.ISkinParam;
import net.sourceforge.plantuml.cucadiagram.Display;
import net.sourceforge.plantuml.graphic.FontConfiguration;
import net.sourceforge.plantuml.graphic.HorizontalAlignment;
import net.sourceforge.plantuml.graphic.HtmlColorUtils;
import net.sourceforge.plantuml.graphic.TextBlock;
import net.sourceforge.plantuml.ugraphic.UChangeBackColor;
import net.sourceforge.plantuml.ugraphic.UChangeColor;
import net.sourceforge.plantuml.ugraphic.UFont;
import net.sourceforge.plantuml.ugraphic.UGraphic;
import net.sourceforge.plantuml.ugraphic.ULine;
import net.sourceforge.plantuml.ugraphic.UPolygon;
import net.sourceforge.plantuml.ugraphic.UTranslate;
public class TimeConstraint {
private final TimeTick tick1;
private final TimeTick tick2;
private final Display label;
public TimeConstraint(TimeTick tick1, TimeTick tick2, String label) {
this.tick1 = tick1;
this.tick2 = tick2;
this.label = Display.getWithNewlines(label);
}
public final TimeTick getTick1() {
return tick1;
}
public final TimeTick getTick2() {
return tick2;
}
public final Display getLabel() {
return label;
}
private TextBlock getTextBlock(Display display, ISkinParam skinParam) {
return display.create(getFontConfiguration(), HorizontalAlignment.LEFT, skinParam);
}
private FontConfiguration getFontConfiguration() {
final UFont font = UFont.serif(14);
return new FontConfiguration(font, HtmlColorUtils.BLACK, HtmlColorUtils.BLUE, false);
}
public void drawU(UGraphic ug, TimingRuler ruler, ISkinParam skinParam) {
ug = ug.apply(new UChangeColor(HtmlColorUtils.RED)).apply(new UChangeBackColor(HtmlColorUtils.RED));
final double x1 = ruler.getPosInPixel(tick1);
final double x2 = ruler.getPosInPixel(tick2);
final ULine line = new ULine(x2 - x1, 0);
ug = ug.apply(new UTranslate(x1, 0));
ug.draw(line);
ug.draw(getPolygon(-Math.PI / 2, new Point2D.Double(0, 0)));
ug.draw(getPolygon(Math.PI / 2, new Point2D.Double(x2 - x1, 0)));
final TextBlock text = getTextBlock(label, skinParam);
final Dimension2D dimText = text.calculateDimension(ug.getStringBounder());
final double x = (x2 - x1 - dimText.getWidth()) / 2;
final UTranslate tr = new UTranslate(x, -5 - dimText.getHeight());
text.drawU(ug.apply(tr));
}
private UPolygon getPolygon(final double angle, final Point2D end) {
final double delta = 20.0 * Math.PI / 180.0;
final Point2D pt1 = TimeArrow.onCircle(end, angle + delta);
final Point2D pt2 = TimeArrow.onCircle(end, angle - delta);
final UPolygon polygon = new UPolygon();
polygon.addPoint(pt1.getX(), pt1.getY());
polygon.addPoint(pt2.getX(), pt2.getY());
polygon.addPoint(end.getX(), end.getY());
return polygon;
}
}
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