USymbolArtifact.java

/* ========================================================================
 * PlantUML : a free UML diagram generator
 * ========================================================================
 *
 * (C) Copyright 2009-2024, Arnaud Roques
 *
 * Project Info:  https://plantuml.com
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 * Original Author:  Arnaud Roques
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package net.sourceforge.plantuml.decoration.symbol;

import net.sourceforge.plantuml.klimt.Fashion;
import net.sourceforge.plantuml.klimt.UTranslate;
import net.sourceforge.plantuml.klimt.drawing.UGraphic;
import net.sourceforge.plantuml.klimt.drawing.UGraphicStencil;
import net.sourceforge.plantuml.klimt.font.StringBounder;
import net.sourceforge.plantuml.klimt.geom.HorizontalAlignment;
import net.sourceforge.plantuml.klimt.geom.XDimension2D;
import net.sourceforge.plantuml.klimt.shape.AbstractTextBlock;
import net.sourceforge.plantuml.klimt.shape.TextBlock;
import net.sourceforge.plantuml.klimt.shape.TextBlockUtils;
import net.sourceforge.plantuml.klimt.shape.ULine;
import net.sourceforge.plantuml.klimt.shape.UPolygon;
import net.sourceforge.plantuml.klimt.shape.URectangle;
import net.sourceforge.plantuml.style.SName;

class USymbolArtifact extends USymbol {

	@Override
	public SName[] getSNames() {
		return new SName[] { SName.artifact };
	}

	private void drawArtifact(UGraphic ug, double widthTotal, double heightTotal, double shadowing,
			double roundCorner) {

		final URectangle form = URectangle.build(widthTotal, heightTotal).rounded(roundCorner);
		form.setDeltaShadow(shadowing);

		ug.draw(form);

		final UPolygon polygon = new UPolygon();
		polygon.addPoint(0, 0);
		final double heightSymbol = 14;
		polygon.addPoint(0, heightSymbol);
		final double widthSymbol = 12;
		polygon.addPoint(widthSymbol, heightSymbol);
		final int cornersize = 6;
		polygon.addPoint(widthSymbol, cornersize);
		polygon.addPoint(widthSymbol - cornersize, 0);
		polygon.addPoint(0, 0);
		// if (shadowing) {
		// polygon.setDeltaShadow(3.0);
		// }

		final double xSymbol = widthTotal - widthSymbol - 5;
		final double ySymbol = 5;

		ug.apply(new UTranslate(xSymbol, ySymbol)).draw(polygon);
		ug.apply(new UTranslate(xSymbol + widthSymbol - cornersize, ySymbol)).draw(ULine.vline(cornersize));
		ug.apply(new UTranslate(xSymbol + widthSymbol, ySymbol + cornersize)).draw(ULine.hline(-cornersize));

	}

	private Margin getMargin() {
		return new Margin(10, 10 + 10, 10 + 3, 10);
	}

	@Override
	public TextBlock asSmall(TextBlock name, final TextBlock label, final TextBlock stereotype,
			final Fashion symbolContext, final HorizontalAlignment stereoAlignment) {
		return new AbstractTextBlock() {

			public void drawU(UGraphic ug) {
				final XDimension2D dim = calculateDimension(ug.getStringBounder());
				ug = UGraphicStencil.create(ug, dim);
				ug = symbolContext.apply(ug);
				drawArtifact(ug, dim.getWidth(), dim.getHeight(), symbolContext.getDeltaShadow(),
						symbolContext.getRoundCorner());
				final Margin margin = getMargin();
				final TextBlock tb = TextBlockUtils.mergeTB(stereotype, label, HorizontalAlignment.CENTER);
				tb.drawU(ug.apply(new UTranslate(margin.getX1(), margin.getY1())));
			}

			public XDimension2D calculateDimension(StringBounder stringBounder) {
				final XDimension2D dimLabel = label.calculateDimension(stringBounder);
				final XDimension2D dimStereo = stereotype.calculateDimension(stringBounder);
				return getMargin().addDimension(dimStereo.mergeTB(dimLabel));
			}
		};
	}

	@Override
	public TextBlock asBig(final TextBlock title, HorizontalAlignment labelAlignment, final TextBlock stereotype,
			final double width, final double height, final Fashion symbolContext,
			final HorizontalAlignment stereoAlignment) {
		return new AbstractTextBlock() {

			public void drawU(UGraphic ug) {
				final XDimension2D dim = calculateDimension(ug.getStringBounder());
				ug = symbolContext.apply(ug);
				drawArtifact(ug, dim.getWidth(), dim.getHeight(), symbolContext.getDeltaShadow(),
						symbolContext.getRoundCorner());
				final XDimension2D dimStereo = stereotype.calculateDimension(ug.getStringBounder());
				final double posStereo = (width - dimStereo.getWidth()) / 2;
				stereotype.drawU(ug.apply(new UTranslate(posStereo, 2)));
				final XDimension2D dimTitle = title.calculateDimension(ug.getStringBounder());
				final double posTitle = (width - dimTitle.getWidth()) / 2;
				title.drawU(ug.apply(new UTranslate(posTitle, 2 + dimStereo.getHeight())));
			}

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

}