mirror of https://github.com/octoleo/plantuml.git
111 lines
3.8 KiB
Java
111 lines
3.8 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.activitydiagram3.ftile;
|
|
|
|
import java.awt.geom.Dimension2D;
|
|
|
|
import net.sourceforge.plantuml.Dimension2DDouble;
|
|
import net.sourceforge.plantuml.activitydiagram3.ftile.vertical.FtileDecorate;
|
|
import net.sourceforge.plantuml.graphic.StringBounder;
|
|
import net.sourceforge.plantuml.ugraphic.UGraphic;
|
|
import net.sourceforge.plantuml.ugraphic.UTranslate;
|
|
|
|
public class FtileMinWidthCentered extends FtileDecorate {
|
|
|
|
private final double minWidth;
|
|
private FtileGeometry calculateDimensionInternal;
|
|
|
|
public FtileMinWidthCentered(Ftile tile, double minWidth) {
|
|
super(tile);
|
|
this.minWidth = minWidth;
|
|
}
|
|
|
|
public void drawU(UGraphic ug) {
|
|
final StringBounder stringBounder = ug.getStringBounder();
|
|
final UTranslate change = getUTranslateInternal(stringBounder);
|
|
super.drawU(ug.apply(change));
|
|
}
|
|
|
|
@Override
|
|
public FtileGeometry calculateDimension(StringBounder stringBounder) {
|
|
if (calculateDimensionInternal == null) {
|
|
calculateDimensionInternal = calculateDimensionSlow(stringBounder);
|
|
}
|
|
return calculateDimensionInternal;
|
|
}
|
|
|
|
private FtileGeometry calculateDimensionSlow(StringBounder stringBounder) {
|
|
final FtileGeometry geo = super.calculateDimension(stringBounder);
|
|
final double left = getPoint2(geo.getLeft(), stringBounder);
|
|
if (geo.hasPointOut() == false) {
|
|
return new FtileGeometry(getDimensionInternal(stringBounder), left, geo.getInY());
|
|
}
|
|
return new FtileGeometry(getDimensionInternal(stringBounder), left, geo.getInY(), geo.getOutY());
|
|
}
|
|
|
|
private Dimension2D getDimensionInternal(StringBounder stringBounder) {
|
|
final Dimension2D dim = getFtileDelegated().calculateDimension(stringBounder);
|
|
if (dim.getWidth() < minWidth) {
|
|
return new Dimension2DDouble(minWidth, dim.getHeight());
|
|
}
|
|
return dim;
|
|
}
|
|
|
|
private UTranslate getUTranslateInternal(final StringBounder stringBounder) {
|
|
final Dimension2D dimTile = getFtileDelegated().calculateDimension(stringBounder);
|
|
final Dimension2D dimTotal = getDimensionInternal(stringBounder);
|
|
final UTranslate change = UTranslate.dx((dimTotal.getWidth() - dimTile.getWidth()) / 2);
|
|
return change;
|
|
}
|
|
|
|
public UTranslate getTranslateFor(Ftile child, StringBounder stringBounder) {
|
|
if (child == getFtileDelegated()) {
|
|
return getUTranslateInternal(stringBounder);
|
|
}
|
|
return null;
|
|
}
|
|
|
|
private double getPoint2(double x, StringBounder stringBounder) {
|
|
final Dimension2D dim = getFtileDelegated().calculateDimension(stringBounder);
|
|
if (dim.getWidth() < minWidth) {
|
|
final double diff = minWidth - dim.getWidth();
|
|
return x + diff / 2;
|
|
}
|
|
return x;
|
|
}
|
|
|
|
}
|