plantuml/src/net/sourceforge/plantuml/eggs/PSystemWelcome.java

112 lines
4.0 KiB
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.eggs;
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.core.DiagramDescription;
import net.sourceforge.plantuml.core.ImageData;
import net.sourceforge.plantuml.graphic.GraphicPosition;
import net.sourceforge.plantuml.graphic.GraphicStrings;
import net.sourceforge.plantuml.style.ClockwiseTopRightBottomLeft;
import net.sourceforge.plantuml.svek.TextBlockBackcolored;
import net.sourceforge.plantuml.ugraphic.ImageBuilder;
import net.sourceforge.plantuml.ugraphic.ImageParameter;
import net.sourceforge.plantuml.ugraphic.color.ColorMapperIdentity;
import net.sourceforge.plantuml.ugraphic.color.HColor;
import net.sourceforge.plantuml.version.PSystemVersion;
public class PSystemWelcome extends AbstractPSystem {
private final List<String> strings = new ArrayList<String>();
private final GraphicPosition position;
public PSystemWelcome(GraphicPosition position) {
this.position = position;
strings.add("<b>Welcome to PlantUML!");
strings.add(" ");
strings.add("You can start with a simple UML Diagram like:");
strings.add(" ");
strings.add("\"\"Bob->Alice: Hello\"\"");
strings.add(" ");
strings.add("Or");
strings.add(" ");
strings.add("\"\"class Example\"\"");
strings.add(" ");
strings.add("You will find more information about PlantUML syntax on <u>https://plantuml.com</u>");
strings.add(" ");
strings.add("(If you use this software, you accept its license.)");
strings.add("(details by typing \"\"license\"\" keyword)");
strings.add(" ");
if (position == GraphicPosition.BACKGROUND_CORNER_BOTTOM_RIGHT) {
strings.add(" ");
strings.add(" ");
strings.add(" ");
strings.add(" ");
}
}
@Override
final protected ImageData exportDiagramNow(OutputStream os, int num, FileFormatOption fileFormat, long seed)
throws IOException {
final TextBlockBackcolored result = getGraphicStrings();
HColor backcolor = result.getBackcolor();
final ImageParameter imageParameter = new ImageParameter(new ColorMapperIdentity(), false, null, 1.0,
getMetadata(), null, ClockwiseTopRightBottomLeft.none(), backcolor);
final ImageBuilder imageBuilder = ImageBuilder.build(imageParameter);
imageBuilder.setUDrawable(result);
// imageBuilder.setUDrawable(TextBlockUtils.withMargin(result, 4, 4));
return imageBuilder.writeImageTOBEMOVED(fileFormat, seed, os);
}
public TextBlockBackcolored getGraphicStrings() throws IOException {
if (position != null) {
return GraphicStrings.createBlackOnWhite(strings, PSystemVersion.getPlantumlImage(), position);
}
return GraphicStrings.createBlackOnWhite(strings);
}
public DiagramDescription getDescription() {
return new DiagramDescription("(Empty)");
}
}