plantuml/src/net/sourceforge/plantuml/definition/PSystemDefinition.java

/* ========================================================================
 * PlantUML : a free UML diagram generator
 * ========================================================================
 *
 * (C) Copyright 2009-2020, Arnaud Roques
 *
 * Project Info:  http://plantuml.com
 * 
 * If you like this project or if you find it useful, you can support us at:
 * 
 * http://plantuml.com/patreon (only 1$ per month!)
 * http://plantuml.com/paypal
 * 
 * This file is part of PlantUML.
 *
 * PlantUML is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * PlantUML distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
 * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
 * License for more details.
 *
 * 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,
 * USA.
 *
 *
 * Original Author:  Arnaud Roques
 * 
 *
 */
package net.sourceforge.plantuml.definition;

import java.io.IOException;
import java.io.OutputStream;
import java.util.ArrayList;
import java.util.List;

import net.sourceforge.plantuml.AbstractPSystem;
import net.sourceforge.plantuml.FileFormatOption;
import net.sourceforge.plantuml.SpriteContainerEmpty;
import net.sourceforge.plantuml.core.DiagramDescription;
import net.sourceforge.plantuml.core.ImageData;
import net.sourceforge.plantuml.cucadiagram.Display;
import net.sourceforge.plantuml.graphic.FontConfiguration;
import net.sourceforge.plantuml.graphic.HorizontalAlignment;
import net.sourceforge.plantuml.graphic.UDrawable;
import net.sourceforge.plantuml.style.ClockwiseTopRightBottomLeft;
import net.sourceforge.plantuml.ugraphic.ImageBuilder;
import net.sourceforge.plantuml.ugraphic.ImageParameter;
import net.sourceforge.plantuml.ugraphic.UFont;
import net.sourceforge.plantuml.ugraphic.UGraphic;
import net.sourceforge.plantuml.ugraphic.color.ColorMapperIdentity;
import net.sourceforge.plantuml.ugraphic.color.HColorUtils;

public class PSystemDefinition extends AbstractPSystem implements UDrawable {

	private final List<String> lines = new ArrayList<String>();
	private final String startLine;

	public PSystemDefinition(String startLine) {
		this.startLine = startLine;
	}

	public DiagramDescription getDescription() {
		return new DiagramDescription("(Definition)");
	}

	@Override
	final protected ImageData exportDiagramNow(OutputStream os, int num, FileFormatOption fileFormatOption, long seed)
			throws IOException {
		final ImageParameter imageParameter = new ImageParameter(new ColorMapperIdentity(), false, null, "", "",
				ClockwiseTopRightBottomLeft.none(), null);
		final ImageBuilder imageBuilder = ImageBuilder.build(imageParameter);
		imageBuilder.setUDrawable(this);

		return imageBuilder.writeImageTOBEMOVED(fileFormatOption, seed, os);
	}

	public void drawU(UGraphic ug) {
		final UFont font = UFont.sansSerif(14);
		final FontConfiguration fc = new FontConfiguration(font, HColorUtils.BLACK, HColorUtils.BLACK, false);
		Display.getWithNewlines(startLine).create(fc, HorizontalAlignment.LEFT, new SpriteContainerEmpty()).drawU(ug);
	}

	public void doCommandLine(String line) {
		this.lines.add(line);
	}

}