net.sourceforge.plantuml.png.PngTitler Maven / Gradle / Ivy
Go to download
Show more of this group Show more artifacts with this name
Show all versions of plantuml Show documentation
Show all versions of plantuml Show documentation
PlantUML is a component that allows to quickly write :
* sequence diagram,
* use case diagram,
* class diagram,
* activity diagram,
* component diagram,
* state diagram
* object diagram
/* ========================================================================
* PlantUML : a free UML diagram generator
* ========================================================================
*
* (C) Copyright 2009-2013, Arnaud Roques
*
* Project Info: http://plantuml.sourceforge.net
*
* 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.
*
* [Java is a trademark or registered trademark of Sun Microsystems, Inc.
* in the United States and other countries.]
*
* Original Author: Arnaud Roques
*
* Revision $Revision: 11154 $
*
*/
package net.sourceforge.plantuml.png;
import java.awt.Font;
import java.awt.geom.Dimension2D;
import net.sourceforge.plantuml.SpriteContainerEmpty;
import net.sourceforge.plantuml.cucadiagram.Display;
import net.sourceforge.plantuml.graphic.FontConfiguration;
import net.sourceforge.plantuml.graphic.HorizontalAlignment;
import net.sourceforge.plantuml.graphic.HtmlColor;
import net.sourceforge.plantuml.graphic.StringBounder;
import net.sourceforge.plantuml.graphic.TextBlock;
import net.sourceforge.plantuml.graphic.TextBlockUtils;
import net.sourceforge.plantuml.ugraphic.UFont;
public class PngTitler {
private final HtmlColor textColor;
private final Display text;
private final int fontSize;
private final String fontFamily;
private final HorizontalAlignment horizontalAlignment;
public PngTitler(HtmlColor textColor, Display text, int fontSize, String fontFamily,
HorizontalAlignment horizontalAlignment) {
this.textColor = textColor;
this.text = text;
this.fontSize = fontSize;
this.fontFamily = fontFamily;
this.horizontalAlignment = horizontalAlignment;
}
public Dimension2D getTextDimension(StringBounder stringBounder) {
final TextBlock textBloc = getTextBlock();
if (textBloc == null) {
return null;
}
return textBloc.calculateDimension(stringBounder);
}
public TextBlock getTextBlock() {
if (text == null || text.size() == 0) {
return null;
}
final UFont normalFont = new UFont(fontFamily, Font.PLAIN, fontSize);
return TextBlockUtils.create(text, new FontConfiguration(normalFont, textColor), horizontalAlignment,
new SpriteContainerEmpty());
}
public double getOffsetX(double imWidth, StringBounder stringBounder) {
final TextBlock textBloc = getTextBlock();
if (textBloc == null) {
return 0;
}
final Dimension2D dimText = textBloc.calculateDimension(stringBounder);
if (imWidth >= dimText.getWidth()) {
return 0;
}
return (dimText.getWidth() - imWidth) / 2;
}
public double getOffsetY(StringBounder stringBounder) {
final TextBlock textBloc = getTextBlock();
if (textBloc == null) {
return 0;
}
final Dimension2D dimText = textBloc.calculateDimension(stringBounder);
final double height = dimText.getHeight();
return height;
}
}