net.sourceforge.plantuml.skin.AbstractComponent 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.skin;

import net.sourceforge.plantuml.klimt.UTranslate;
import net.sourceforge.plantuml.klimt.drawing.UGraphic;
import net.sourceforge.plantuml.klimt.font.StringBounder;
import net.sourceforge.plantuml.klimt.geom.XDimension2D;
import net.sourceforge.plantuml.style.Style;
import net.sourceforge.plantuml.style.StyleSignatureBasic;

public abstract class AbstractComponent implements Component {

	public final Style[] getUsedStyles() {
		throw new UnsupportedOperationException();
	}

	public StyleSignatureBasic getStyleSignature() {
		throw new UnsupportedOperationException();
	}

	private final Style style;

	public AbstractComponent(Style style) {
		this.style = style;
	}

	protected final Style getStyle() {
		return style;
	}

	abstract protected void drawInternalU(UGraphic ug, Area area);

	protected void drawBackgroundInternalU(UGraphic ug, Area area) {
	}

	public final void drawU(UGraphic ug, Area area, Context2D context) {
		ug = ug.apply(new UTranslate(getPaddingX(), getPaddingY()));
		if (context.isBackground())
			drawBackgroundInternalU(ug, area);
		else
			drawInternalU(ug, area);

	}

	public double getPaddingX() {
		return 0;
	}

	public double getPaddingY() {
		return 0;
	}

	public abstract double getPreferredWidth(StringBounder stringBounder);

	public abstract double getPreferredHeight(StringBounder stringBounder);

	public final XDimension2D getPreferredDimension(StringBounder stringBounder) {
		final double w = getPreferredWidth(stringBounder);
		final double h = getPreferredHeight(stringBounder);
		return new XDimension2D(w, h);
	}

}