net.sourceforge.plantuml.klimt.shape.TextBlockArrow2 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.klimt.shape;

import java.util.Objects;

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.font.FontConfiguration;
import net.sourceforge.plantuml.klimt.font.StringBounder;
import net.sourceforge.plantuml.klimt.geom.XDimension2D;
import net.sourceforge.plantuml.klimt.geom.XPoint2D;
import net.sourceforge.plantuml.svek.GuideLine;

public class TextBlockArrow2 extends AbstractTextBlock implements TextBlock {
    // ::remove file when __HAXE__

	private final double size;
	private final GuideLine angle;
	private final HColor color;

	public TextBlockArrow2(GuideLine angle, FontConfiguration fontConfiguration) {
		this.angle = Objects.requireNonNull(angle);
		this.size = fontConfiguration.getFont().getSize2D();
		this.color = fontConfiguration.getColor();

	}

	public void drawU(UGraphic ug) {
		// final double triSize = size * .80;
		final int triSize = (int) (size * .80);

		ug = ug.apply(color);
		ug = ug.apply(color.bg());
		ug = ug.apply(new UTranslate(triSize / 2, size / 2));

		final UPolygon triangle = new UPolygon();
		final double beta = Math.PI * 4 / 5;
		triangle.addPoint(getPoint(triSize / 2, angle.getArrowDirection2()));
		triangle.addPoint(getPoint(triSize / 2, angle.getArrowDirection2() + beta));
		triangle.addPoint(getPoint(triSize / 2, angle.getArrowDirection2() - beta));
		triangle.addPoint(getPoint(triSize / 2, angle.getArrowDirection2()));
		ug.draw(triangle);
	}

	private XPoint2D getPoint(double len, double alpha) {
		final double dx = len * Math.sin(alpha);
		final double dy = len * Math.cos(alpha);
		return new XPoint2D(dx, dy);
	}

	public XDimension2D calculateDimension(StringBounder stringBounder) {
		return new XDimension2D(size, size);
	}
}