USymbolCard.java

/* ========================================================================
 * PlantUML : a free UML diagram generator
 * ========================================================================
 *
 * (C) Copyright 2009-2024, Arnaud Roques
 *
 * Project Info:  https://plantuml.com
 * 
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 * PlantUML is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License as published by
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 * PlantUML distributed in the hope that it will be useful, but
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 * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
 * License for more details.
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 * 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,
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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.URectangle;
import net.sourceforge.plantuml.style.SName;

class USymbolCard extends USymbol {

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

	private void drawCard(UGraphic ug, double width, double height, double shadowing, double top, double roundCorner) {
		final URectangle shape = URectangle.build(width, height).rounded(roundCorner);
		shape.setDeltaShadow(shadowing);

		ug.draw(shape);
		if (top != 0) {
			ug.apply(UTranslate.dy(top)).draw(ULine.hline(width));
		}
	}

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

	@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);
				drawCard(ug, dim.getWidth(), dim.getHeight(), symbolContext.getDeltaShadow(), 0,
						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);
				final XDimension2D dimStereo = stereotype.calculateDimension(ug.getStringBounder());
				final XDimension2D dimTitle = title.calculateDimension(ug.getStringBounder());
				drawCard(ug, dim.getWidth(), dim.getHeight(), symbolContext.getDeltaShadow(),
						dimTitle.getHeight() + dimStereo.getHeight() + 4, symbolContext.getRoundCorner());
				final double posStereo = (width - dimStereo.getWidth()) / 2;
				stereotype.drawU(ug.apply(new UTranslate(posStereo, 2)));
				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);
			}
		};
	}

}