mirror of https://github.com/octoleo/plantuml.git
241 lines
8.4 KiB
Java
241 lines
8.4 KiB
Java
/* ========================================================================
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* PlantUML : a free UML diagram generator
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* ========================================================================
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*
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* (C) Copyright 2009-2024, Arnaud Roques
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*
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* Project Info: https://plantuml.com
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*
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* If you like this project or if you find it useful, you can support us at:
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*
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* https://plantuml.com/patreon (only 1$ per month!)
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* https://plantuml.com/paypal
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*
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* This file is part of PlantUML.
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*
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* PlantUML is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* PlantUML distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
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* License for more details.
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*
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* You should have received a copy of the GNU General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
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* USA.
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*
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*
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* Original Author: Arnaud Roques
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*
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*
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*/
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package net.sourceforge.plantuml.decoration.symbol;
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import java.util.Objects;
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import net.sourceforge.plantuml.klimt.Fashion;
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import net.sourceforge.plantuml.klimt.Shadowable;
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import net.sourceforge.plantuml.klimt.UPath;
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import net.sourceforge.plantuml.klimt.UTranslate;
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import net.sourceforge.plantuml.klimt.drawing.UGraphic;
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import net.sourceforge.plantuml.klimt.drawing.UGraphicStencil;
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import net.sourceforge.plantuml.klimt.font.StringBounder;
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import net.sourceforge.plantuml.klimt.geom.HorizontalAlignment;
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import net.sourceforge.plantuml.klimt.geom.MagneticBorder;
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import net.sourceforge.plantuml.klimt.geom.XDimension2D;
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import net.sourceforge.plantuml.klimt.geom.XPoint2D;
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import net.sourceforge.plantuml.klimt.shape.AbstractTextBlock;
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import net.sourceforge.plantuml.klimt.shape.TextBlock;
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import net.sourceforge.plantuml.klimt.shape.TextBlockUtils;
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import net.sourceforge.plantuml.klimt.shape.ULine;
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import net.sourceforge.plantuml.klimt.shape.UPolygon;
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import net.sourceforge.plantuml.style.SName;
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public class USymbolFolder extends USymbol {
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private final static int marginTitleX1 = 3;
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private final static int marginTitleX2 = 3;
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private final static int marginTitleX3 = 7;
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private final static int marginTitleY0 = 0;
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private final static int marginTitleY1 = 3;
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private final static int marginTitleY2 = 3;
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private final SName sname;
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private final boolean showTitle;
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public USymbolFolder(SName sname, boolean showTitle) {
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this.showTitle = showTitle;
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this.sname = sname;
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}
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@Override
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public String toString() {
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return super.toString() + " " + showTitle;
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}
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@Override
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public SName getSName() {
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return sname;
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}
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private void drawFolder(UGraphic ug, double width, double height, XDimension2D dimName, double shadowing,
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double roundCorner) {
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final double wtitle = getWTitle(width, dimName);
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final double htitle = getHTitle(dimName);
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final Shadowable shape;
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if (roundCorner == 0) {
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final UPolygon poly = new UPolygon();
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poly.addPoint(0, 0);
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poly.addPoint(wtitle, 0);
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poly.addPoint(wtitle + marginTitleX3, htitle);
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poly.addPoint(width, htitle);
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poly.addPoint(width, height);
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poly.addPoint(0, height);
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poly.addPoint(0, 0);
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shape = poly;
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} else {
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final UPath path = new UPath();
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path.moveTo(roundCorner / 2, 0);
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path.lineTo(wtitle - roundCorner / 2, 0);
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// path.lineTo(wtitle, roundCorner / 2);
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path.arcTo(new XPoint2D(wtitle, roundCorner / 2), roundCorner / 2 * 1.5, 0, 1);
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path.lineTo(wtitle + marginTitleX3, htitle);
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path.lineTo(width - roundCorner / 2, htitle);
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path.arcTo(new XPoint2D(width, htitle + roundCorner / 2), roundCorner / 2, 0, 1);
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path.lineTo(width, height - roundCorner / 2);
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path.arcTo(new XPoint2D(width - roundCorner / 2, height), roundCorner / 2, 0, 1);
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path.lineTo(roundCorner / 2, height);
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path.arcTo(new XPoint2D(0, height - roundCorner / 2), roundCorner / 2, 0, 1);
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path.lineTo(0, roundCorner / 2);
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path.arcTo(new XPoint2D(roundCorner / 2, 0), roundCorner / 2, 0, 1);
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path.closePath();
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shape = path;
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}
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shape.setDeltaShadow(shadowing);
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ug.draw(shape);
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ug.apply(UTranslate.dy(htitle)).draw(ULine.hline(wtitle + marginTitleX3));
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}
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private double getWTitle(double width, XDimension2D dimTitle) {
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final double wtitle;
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if (dimTitle.getWidth() == 0)
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wtitle = Math.max(30, width / 4);
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else
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wtitle = dimTitle.getWidth() + marginTitleX1 + marginTitleX2;
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return wtitle;
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}
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private double getHTitle(XDimension2D dimTitle) {
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final double htitle;
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if (dimTitle.getWidth() == 0)
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htitle = 10;
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else
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htitle = dimTitle.getHeight() + marginTitleY1 + marginTitleY2;
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return htitle;
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}
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private Margin getMargin() {
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return new Margin(10, 10 + 10, 10 + 3, 10);
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}
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@Override
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public TextBlock asSmall(final TextBlock name, final TextBlock label, final TextBlock stereotype,
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final Fashion symbolContext, final HorizontalAlignment stereoAlignment) {
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Objects.requireNonNull(name);
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return new AbstractTextBlock() {
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public void drawU(UGraphic ug) {
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final XDimension2D dim = calculateDimension(ug.getStringBounder());
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ug = UGraphicStencil.create(ug, dim);
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ug = symbolContext.apply(ug);
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final XDimension2D dimName = getDimName(ug.getStringBounder());
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drawFolder(ug, dim.getWidth(), dim.getHeight(), dimName, symbolContext.getDeltaShadow(),
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symbolContext.getRoundCorner());
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final Margin margin = getMargin();
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final TextBlock tb = TextBlockUtils.mergeTB(stereotype, label, HorizontalAlignment.CENTER);
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if (showTitle)
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name.drawU(ug.apply(new UTranslate(4, 3)));
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tb.drawU(ug.apply(new UTranslate(margin.getX1(), margin.getY1() + dimName.getHeight())));
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}
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private XDimension2D getDimName(StringBounder stringBounder) {
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return showTitle ? name.calculateDimension(stringBounder) : new XDimension2D(40, 15);
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}
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public XDimension2D calculateDimension(StringBounder stringBounder) {
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final XDimension2D dimName = getDimName(stringBounder);
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final XDimension2D dimLabel = label.calculateDimension(stringBounder);
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final XDimension2D dimStereo = stereotype.calculateDimension(stringBounder);
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return getMargin().addDimension(dimName.mergeTB(dimStereo, dimLabel));
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}
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@Override
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public MagneticBorder getMagneticBorder() {
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return new MagneticBorder() {
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@Override
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public UTranslate getForceAt(StringBounder stringBounder, XPoint2D position) {
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final XDimension2D dim = calculateDimension(stringBounder);
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final XDimension2D dimName = getDimName(stringBounder);
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final double wtitle = getWTitle(dim.getWidth(), dimName);
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final double htitle = getHTitle(dimName);
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if (position.getX() >= wtitle && position.getY() >= 0 && position.getY() <= htitle)
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return new UTranslate(0, htitle);
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if (position.getY() <= 0 && position.getX() >= wtitle + marginTitleX3)
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return new UTranslate(0, htitle);
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if (position.getY() <= 0 && position.getX() >= wtitle - marginTitleX3) {
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final double delta = position.getX() - (wtitle - marginTitleX3);
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final double how = delta / (2 * marginTitleX3);
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return new UTranslate(0, htitle * how);
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}
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return new UTranslate();
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}
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};
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}
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};
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}
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@Override
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public TextBlock asBig(final TextBlock title, HorizontalAlignment labelAlignment, final TextBlock stereotype,
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final double width, final double height, final Fashion symbolContext,
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final HorizontalAlignment stereoAlignment) {
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return new AbstractTextBlock() {
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public void drawU(UGraphic ug) {
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final StringBounder stringBounder = ug.getStringBounder();
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final XDimension2D dim = calculateDimension(stringBounder);
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ug = symbolContext.apply(ug);
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final XDimension2D dimTitle = title.calculateDimension(stringBounder);
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drawFolder(ug, dim.getWidth(), dim.getHeight(), dimTitle, symbolContext.getDeltaShadow(),
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symbolContext.getRoundCorner());
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title.drawU(ug.apply(new UTranslate(4, 2)));
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final XDimension2D dimStereo = stereotype.calculateDimension(stringBounder);
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final double posStereo = (width - dimStereo.getWidth()) / 2;
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stereotype.drawU(ug.apply(new UTranslate(4 + posStereo, 2 + getHTitle(dimTitle))));
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}
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public XDimension2D calculateDimension(StringBounder stringBounder) {
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return new XDimension2D(width, height);
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}
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};
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}
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}
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