net.sourceforge.plantuml.svek.extremity.ExtremityCircleCross Maven / Gradle / Ivy

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PlantUML is a component that allows to quickly write diagrams from text.

There is a newer version: 1.2024.8

// THIS FILE HAS BEEN GENERATED BY A PREPROCESSOR.
package net.sourceforge.plantuml.svek.extremity;

import net.sourceforge.plantuml.klimt.UStroke;
import net.sourceforge.plantuml.klimt.UTranslate;
import net.sourceforge.plantuml.klimt.color.HColor;
import net.sourceforge.plantuml.klimt.drawing.UGraphic;
import net.sourceforge.plantuml.klimt.geom.XPoint2D;
import net.sourceforge.plantuml.klimt.shape.UEllipse;
import net.sourceforge.plantuml.klimt.shape.ULine;

class ExtremityCircleCross extends Extremity {

	private final double px;
	private final double py;
	private final XPoint2D dest;
	private final double radius = 7;
	private final HColor backgroundColor;

	@Override
	public XPoint2D somePoint() {
		return dest;
	}

	public ExtremityCircleCross(XPoint2D p1, HColor backgroundColor) {
		this.px = p1.getX() - radius;
		this.py = p1.getY() - radius;
		this.dest = new XPoint2D(p1.getX(), p1.getY());
		this.backgroundColor = backgroundColor;
	}

	public void drawU(UGraphic ug) {
		ug = ug.apply(backgroundColor.bg());
		ug.apply(UStroke.withThickness(1.5)).apply(new UTranslate(dest.getX() - radius, dest.getY() - radius))
				.draw(UEllipse.build(radius * 2, radius * 2));
		drawLine(ug, 0, 0, getPointOnCircle(Math.PI / 4), getPointOnCircle(Math.PI + Math.PI / 4));
		drawLine(ug, 0, 0, getPointOnCircle(-Math.PI / 4), getPointOnCircle(Math.PI - Math.PI / 4));
	}

	private XPoint2D getPointOnCircle(double angle) {
		final double x = px + radius + radius * Math.cos(angle);
		final double y = py + radius + radius * Math.sin(angle);
		return new XPoint2D(x, y);
	}

	static private void drawLine(UGraphic ug, double x, double y, XPoint2D p1, XPoint2D p2) {
		final double dx = p2.getX() - p1.getX();
		final double dy = p2.getY() - p1.getY();
		ug.apply(new UTranslate(x + p1.getX(), y + p1.getY())).draw(new ULine(dx, dy));

	}

}