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345 lines
11 KiB
Java
345 lines
11 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 2009-2023, Arnaud Roques
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*
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* Project Info: http://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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* http://plantuml.com/patreon (only 1$ per month!)
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* http://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.creole.legacy;
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import net.sourceforge.plantuml.awt.geom.Dimension2D;
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import java.util.ArrayList;
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import java.util.Arrays;
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import java.util.Collection;
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import java.util.Collections;
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import java.util.List;
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import java.util.StringTokenizer;
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import net.sourceforge.plantuml.BackSlash;
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import net.sourceforge.plantuml.Dimension2DDouble;
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import net.sourceforge.plantuml.LineBreakStrategy;
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import net.sourceforge.plantuml.Log;
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import net.sourceforge.plantuml.StringUtils;
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import net.sourceforge.plantuml.Url;
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import net.sourceforge.plantuml.creole.atom.AbstractAtom;
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import net.sourceforge.plantuml.creole.atom.Atom;
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import net.sourceforge.plantuml.graphic.FontConfiguration;
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import net.sourceforge.plantuml.graphic.StringBounder;
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import net.sourceforge.plantuml.graphic.TextBlock;
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import net.sourceforge.plantuml.ugraphic.UGraphic;
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import net.sourceforge.plantuml.ugraphic.UText;
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import net.sourceforge.plantuml.ugraphic.UTranslate;
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import net.sourceforge.plantuml.ugraphic.color.HColor;
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import net.sourceforge.plantuml.ugraphic.color.HColorScheme;
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import net.sourceforge.plantuml.ugraphic.color.HColorAutomagic;
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import net.sourceforge.plantuml.ugraphic.color.HColorSimple;
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import net.sourceforge.plantuml.utils.CharHidder;
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public final class AtomText extends AbstractAtom implements Atom {
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protected interface DelayedDouble {
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public double getDouble(StringBounder stringBounder);
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}
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private final FontConfiguration fontConfiguration;
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private final String text;
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private final DelayedDouble marginLeft;
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private final DelayedDouble marginRight;
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private final Url url;
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private final boolean manageSpecialChars;
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private TextBlock visibility;
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protected AtomText(String text, FontConfiguration style, Url url, DelayedDouble marginLeft,
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DelayedDouble marginRight, boolean manageSpecialChars) {
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if (text.contains("" + BackSlash.hiddenNewLine()))
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throw new IllegalArgumentException(text);
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// if (text.length() > 0) {
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// final VisibilityModifier visibilityModifier = VisibilityModifier.getByUnicode(text.charAt(0));
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// if (visibilityModifier != null) {
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// final HColor back = HColorUtils.GREEN;
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// final HColor fore = HColorUtils.RED;
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// visibility = visibilityModifier.getUBlock(11, fore, back, url != null);
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// text = text.substring(1);
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// }
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// }
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this.marginLeft = marginLeft;
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this.marginRight = marginRight;
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String s = CharHidder.unhide(text);
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if (manageSpecialChars) {
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s = StringUtils.showComparatorCharacters(s);
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s = StringUtils.manageAmpDiese(s);
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s = StringUtils.manageUnicodeNotationUplus(s);
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s = StringUtils.manageTildeArobaseStart(s);
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s = StringUtils.manageEscapedTabs(s);
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}
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this.manageSpecialChars = manageSpecialChars;
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this.text = s;
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this.fontConfiguration = style;
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this.url = url;
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}
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private AtomText withText(String text) {
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return new AtomText(text, fontConfiguration, url, marginLeft, marginRight, manageSpecialChars);
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}
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public Dimension2D calculateDimension(StringBounder stringBounder) {
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final Dimension2D rect = stringBounder.calculateDimension(fontConfiguration.getFont(), text);
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Log.debug("g2d=" + rect);
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Log.debug("Size for " + text + " is " + rect);
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double h = rect.getHeight();
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if (h < 10)
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h = 10;
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double width = text.indexOf("\t") == -1 ? rect.getWidth() : getWidth(stringBounder, text);
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final double left = marginLeft.getDouble(stringBounder);
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final double right = marginRight.getDouble(stringBounder);
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if (visibility != null)
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width += visibility.calculateDimension(stringBounder).getWidth();
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return new Dimension2DDouble(width + left + right, h);
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}
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public void drawU(UGraphic ug) {
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if (url != null)
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ug.startUrl(url);
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if (ug.matchesProperty("SPECIALTXT")) {
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ug.draw(this);
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} else {
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if (visibility != null) {
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visibility.drawU(ug.apply(UTranslate.dy(2)));
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final double width = visibility.calculateDimension(ug.getStringBounder()).getWidth();
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ug = ug.apply(UTranslate.dx(width));
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}
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HColor textColor = fontConfiguration.getColor();
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FontConfiguration useFontConfiguration = fontConfiguration;
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if (textColor instanceof HColorAutomagic && ug.getParam().getBackcolor() != null) {
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textColor = ((HColorSimple) ug.getParam().getBackcolor()).opposite();
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useFontConfiguration = fontConfiguration.changeColor(textColor);
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}
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if (textColor instanceof HColorScheme) {
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HColor backcolor = ug.getParam().getBackcolor();
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if (backcolor == null)
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backcolor = ug.getDefaultBackground();
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textColor = ((HColorScheme) textColor).getAppropriateColor(backcolor);
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useFontConfiguration = fontConfiguration.changeColor(textColor);
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}
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if (marginLeft != AtomTextUtils.ZERO)
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ug = ug.apply(UTranslate.dx(marginLeft.getDouble(ug.getStringBounder())));
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final StringTokenizer tokenizer = new StringTokenizer(text, "\t", true);
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// final int ypos = fontConfiguration.getSpace();
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final Dimension2D rect = ug.getStringBounder().calculateDimension(fontConfiguration.getFont(), text);
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final double descent = getDescent(ug.getStringBounder());
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final double ypos = rect.getHeight() - descent;
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double x = 0;
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if (tokenizer.hasMoreTokens()) {
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final double tabSize = getTabSize(ug.getStringBounder());
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while (tokenizer.hasMoreTokens()) {
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final String s = tokenizer.nextToken();
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if (s.equals("\t")) {
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final double remainder = x % tabSize;
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x += tabSize - remainder;
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} else {
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final Dimension2D dim = ug.getStringBounder().calculateDimension(fontConfiguration.getFont(),
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s);
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final UText utext = new UText(s, useFontConfiguration);
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ug.apply(new UTranslate(x, ypos)).draw(utext);
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x += dim.getWidth();
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}
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}
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}
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}
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if (url != null)
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ug.closeUrl();
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}
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private double getWidth(StringBounder stringBounder, String text) {
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final StringTokenizer tokenizer = new StringTokenizer(text, "\t", true);
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final double tabSize = getTabSize(stringBounder);
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double x = 0;
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while (tokenizer.hasMoreTokens()) {
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final String s = tokenizer.nextToken();
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if (s.equals("\t")) {
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final double remainder = x % tabSize;
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x += tabSize - remainder;
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} else {
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final Dimension2D dim = stringBounder.calculateDimension(fontConfiguration.getFont(), s);
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x += dim.getWidth();
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}
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}
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return x;
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}
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private String tabString() {
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final int nb = fontConfiguration.getTabSize();
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if (nb >= 1 && nb < 7)
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return " ".substring(0, nb);
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return " ";
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}
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private double getDescent(StringBounder stringBounder) {
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return stringBounder.getDescent(fontConfiguration.getFont(), text);
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}
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private double getTabSize(StringBounder stringBounder) {
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return stringBounder.calculateDimension(fontConfiguration.getFont(), tabString()).getWidth();
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}
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private final Collection<String> splitted() {
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final List<String> result = new ArrayList<>();
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final StringBuilder pending = new StringBuilder();
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for (int i = 0; i < text.length(); i++) {
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final char ch = text.charAt(i);
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if (isSeparator(ch)) {
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if (pending.length() > 0)
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result.add(pending.toString());
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result.add("" + ch);
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pending.setLength(0);
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} else if (isChineseSentenceBoundary(ch)) {
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pending.append(ch);
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result.add(pending.toString());
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pending.setLength(0);
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} else {
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pending.append(ch);
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}
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}
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if (pending.length() > 0)
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result.add(pending.toString());
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return result;
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}
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private final Collection<String> splittedOld() {
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final List<String> result = new ArrayList<>();
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for (int i = 0; i < text.length(); i++) {
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final char ch = text.charAt(i);
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if (isSeparator(ch)) {
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result.add("" + text.charAt(i));
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} else {
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final StringBuilder tmp = new StringBuilder();
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tmp.append(ch);
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while (i + 1 < text.length() && isSeparator(text.charAt(i + 1)) == false) {
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i++;
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tmp.append(text.charAt(i));
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}
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result.add(tmp.toString());
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}
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}
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return result;
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}
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public List<Atom> getSplitted(StringBounder stringBounder, LineBreakStrategy maxWidthAsString) {
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final double maxWidth = maxWidthAsString.getMaxWidth();
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if (maxWidth == 0)
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throw new IllegalStateException();
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final List<Atom> result = new ArrayList<>();
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final StringTokenizer st = new StringTokenizer(text, " ", true);
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final StringBuilder currentLine = new StringBuilder();
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while (st.hasMoreTokens()) {
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final String token1 = st.nextToken();
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for (String tmp : Arrays.asList(token1)) {
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final double w = getWidth(stringBounder, currentLine + tmp);
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if (w > maxWidth) {
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result.add(withText(currentLine.toString()));
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currentLine.setLength(0);
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if (tmp.startsWith(" ") == false)
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currentLine.append(tmp);
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} else {
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currentLine.append(tmp);
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}
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}
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}
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result.add(withText(currentLine.toString()));
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return Collections.unmodifiableList(result);
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}
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@Override
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public List<Atom> splitInTwo(StringBounder stringBounder, double width) {
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final StringBuilder tmp = new StringBuilder();
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for (String token : splitted()) {
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if (tmp.length() > 0 && getWidth(stringBounder, tmp.toString() + token) > width) {
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final Atom part1 = withText(tmp.toString());
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String remain = text.substring(tmp.length());
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while (remain.startsWith(" "))
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remain = remain.substring(1);
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final Atom part2 = withText(remain);
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return Arrays.asList(part1, part2);
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}
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tmp.append(token);
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}
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return Collections.singletonList((Atom) this);
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}
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private boolean isSeparator(char ch) {
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return Character.isWhitespace(ch);
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}
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private boolean isChineseSentenceBoundary(char ch) {
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return ch == '\uFF01' // U+FF01 FULLWIDTH EXCLAMATION MARK (!)
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// || ch == '\uFF08' // U+FF08 FULLWIDTH LEFT PARENTHESIS
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// || ch == '\uFF09' // U+FF09 FULLWIDTH RIGHT PARENTHESIS
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|| ch == '\uFF0C' // U+FF0C FULLWIDTH COMMA
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|| ch == '\uFF1A' // U+FF1A FULLWIDTH COLON (:)
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|| ch == '\uFF1B' // U+FF1B FULLWIDTH SEMICOLON (;)
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|| ch == '\uFF1F' // U+FF1F FULLWIDTH QUESTION MARK (?)
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|| ch == '\u3002'; // U+3002 IDEOGRAPHIC FULL STOP (.)
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}
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public final String getText() {
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return text;
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}
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public double getStartingAltitude(StringBounder stringBounder) {
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return fontConfiguration.getSpace();
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}
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@Override
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public String toString() {
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return text + " " + fontConfiguration;
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}
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public FontConfiguration getFontConfiguration() {
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return fontConfiguration;
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}
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}
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