mirror of
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147 lines
4.3 KiB
Java
147 lines
4.3 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.svg;
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import java.util.StringTokenizer;
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import java.util.regex.Matcher;
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import java.util.regex.Pattern;
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import net.sourceforge.plantuml.StringUtils;
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public final class SvgData {
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private String svg;
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private double startX;
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private double startY;
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private double width;
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private double height;
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public static SvgData fromGraphViz(String s) {
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return new SvgData(removeSvgXmlHeader1(s));
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}
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private SvgData(String svg) {
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this.svg = svg;
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init();
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}
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private SvgData() {
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}
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private static String removeSvgXmlHeader1(String svg) {
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final String newString = "<svg xmlns=\"http://www.w3.org/2000/svg\" xmlns:xlink=\"http://www.w3.org/1999/xlink\">";
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svg = svg.replaceFirst("(?i)<svg[^>]*>", newString);
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return svg;
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}
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public SvgData mutateFromSvgTitler(String newSvg, double suppHeight, double suppWidth) {
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final SvgData result = new SvgData();
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result.svg = newSvg;
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result.startX = this.startX - suppWidth / 2;
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result.startY = this.startY;
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result.width = this.width + suppWidth;
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result.height = this.height + suppHeight;
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return result;
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}
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public final String getSvg() {
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return modifiedSvgXmlHeader();
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}
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private void init() {
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final Pattern p = Pattern.compile("(?i)<polygon\\s+[^>]*points=\"([^\"]+)\"");
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final Matcher m = p.matcher(svg);
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double minX = Double.MAX_VALUE;
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double minY = Double.MAX_VALUE;
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double maxX = -Double.MAX_VALUE;
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double maxY = -Double.MAX_VALUE;
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if (m.find() == false) {
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return;
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}
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final String points = m.group(1);
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final StringTokenizer st = new StringTokenizer(points, " ");
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while (st.hasMoreTokens()) {
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final String token = st.nextToken();
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final StringTokenizer st2 = new StringTokenizer(token, ",");
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final double x = Double.parseDouble(StringUtils.trin(st2.nextToken()));
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final double y = Double.parseDouble(StringUtils.trin(st2.nextToken()));
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if (x < minX) {
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minX = x;
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}
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if (y < minY) {
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minY = y;
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}
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if (x > maxX) {
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maxX = x;
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}
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if (y > maxY) {
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maxY = y;
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}
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}
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this.width = maxX - minX;
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this.height = maxY - minY;
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}
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private String modifiedSvgXmlHeader() {
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final StringBuilder newString = new StringBuilder(
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"<svg xmlns=\"http://www.w3.org/2000/svg\" xmlns:xlink=\"http://www.w3.org/1999/xlink\" ");
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newString.append("style=\"width:");
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newString.append(Math.round(getWidth()));
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newString.append(";height:");
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newString.append(Math.round(getHeight()));
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newString.append(";\" ");
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newString.append("width=\"" + Math.round(getWidth()) + "pt\" ");
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newString.append("height=\"" + Math.round(getHeight()) + "pt\" ");
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newString.append("viewBox=\"" + Math.round(startX) + " " + Math.round(startY) + " " + Math.round(getWidth()) + " "
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+ Math.round(getHeight()) + "\"");
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// newString.append("viewBox=\"" + Math.round(minX) + " " +
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// Math.round(minY) + " " + Math.round(getWidth()) + " "
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// + Math.round(getHeight()) + "\"");
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newString.append(">");
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return svg.replaceFirst("(?i)<svg[^>]*>", newString.toString());
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}
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public double getWidth() {
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return width;
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}
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public double getHeight() {
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return height;
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}
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}
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