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PlantUML is a component that allows to quickly write diagrams from text.
There is a newer version: 1.2024.8
// THIS FILE HAS BEEN GENERATED BY A PREPROCESSOR.
/* +=======================================================================
 * |
 * |      PlantUML : a free UML diagram generator
 * |
 * +=======================================================================
 *
 * (C) Copyright 2009-2024, Arnaud Roques
 *
 * Project Info:  https://plantuml.com
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 * PlantUML is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser 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 Lesser General Public
 * License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this library.  If not, see .
 *
 * PlantUML can occasionally display sponsored or advertising messages. Those
 * messages are usually generated on welcome or error images and never on
 * functional diagrams.
 * See https://plantuml.com/professional if you want to remove them
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 * Images (whatever their format : PNG, SVG, EPS...) generated by running PlantUML
 * are owned by the author of their corresponding sources code (that is, their
 * textual description in PlantUML language). Those images are not covered by
 * this LGPL license.
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 * The generated images can then be used without any reference to the LGPL license.
 * It is not even necessary to stipulate that they have been generated with PlantUML,
 * although this will be appreciated by the PlantUML team.
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 * There is an exception : if the textual description in PlantUML language is also covered
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 * This is the IGY distribution (Install GraphViz by Yourself).
 * You have to install GraphViz and to setup the GRAPHVIZ_DOT environment variable
 * (see https://plantuml.com/graphviz-dot )
 *
 * Icons provided by OpenIconic :  https://useiconic.com/open
 * Archimate sprites provided by Archi :  http://www.archimatetool.com
 * Stdlib AWS provided by https://github.com/milo-minderbinder/AWS-PlantUML
 * Stdlib Icons provided https://github.com/tupadr3/plantuml-icon-font-sprites
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 * ASCIIMathML (c) David Lippman http://www.pierce.ctc.edu/dlippman
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 * Brotli (c) by the Brotli Authors https://github.com/google/brotli
 * Themes (c) by Brett Schwarz https://github.com/bschwarz/puml-themes
 * Twemoji (c) by Twitter at https://twemoji.twitter.com/
 *
 */
package net.sourceforge.plantuml.sdot;

import h.ST_Agedge_s;
import h.ST_Agedgeinfo_t;
import h.ST_Agnode_s;
import h.ST_Agnodeinfo_t;
import h.ST_bezier;
import h.ST_pointf;
import h.ST_splines;
import h.ST_textlabel_t;

public class DebugUtils {

	public static void printDebugEdge(ST_Agedge_s e) {
		// System.err.println("*********** PRINT EDGE ********** " + getUID(e));
		final ST_Agedgeinfo_t data = (ST_Agedgeinfo_t) e.data.castTo(ST_Agedgeinfo_t.class);
		final ST_splines splines = (ST_splines) data.spl;
		// ST_boxf bb = (ST_boxf) splines.bb;
		// final bezier list = (bezier) splines.getPtr("list");
		// System.err.println("splines.UID=" + ((StarStruct) splines).getUID36());
		System.err.println("splines.size=" + splines.size);
		// System.err.println("bb.LL=" + pointftoString((ST_pointf) bb.LL));
		// System.err.println("bb.UR=" + pointftoString((ST_pointf) bb.UR));
		printDebugBezier(splines.list.get__(0));

		ST_textlabel_t label = data.label;
		if (label != null) {
			System.err.println("LABEL dimen=" + pointftoString(label.dimen));
			System.err.println("LABEL space=" + pointftoString(label.space));
			System.err.println("LABEL pos=" + pointftoString(label.pos));
		}

	}

//	public static String getUID(Object o) {
//		return ((StarStruct) o).getUID36();
//	}

	public static void printDebugBezier(ST_bezier bezier) {
		System.err.println("bezier.size=" + bezier.size);
		System.err.println("bezier.sflag=" + bezier.sflag);
		System.err.println("splines.eflag=" + bezier.eflag);
		System.err.println("bezier.sp=" + pointftoString((ST_pointf) bezier.sp));
		System.err.println("bezier.ep=" + pointftoString((ST_pointf) bezier.ep));
		// System.err.println("bezier.list=" + getUID(bezier.list.getPtr()));
		for (int i = 0; i < bezier.size; i++) {
			final ST_pointf pt = bezier.list.get__(i);
			System.err.println("pt=" + pointftoString(pt));
		}

	}

	public static void printDebugNode(ST_Agnode_s n) {
		System.err.println("*********** PRINT NODE ********** ");
		final ST_Agnodeinfo_t data = (ST_Agnodeinfo_t) n.data.castTo(ST_Agnodeinfo_t.class);
		System.err.println("width=" + data.width);
		System.err.println("height=" + data.height);
		System.err.println("ht=" + data.ht);
		System.err.println("lw=" + data.lw);
		System.err.println("rw=" + data.rw);
		System.err.println("coord=" + pointftoString((ST_pointf) data.coord));

		// ST_boxf bb = (ST_boxf) data.bb;
		// System.err.println("bb.LL=" + pointftoString((ST_pointf) bb.LL));
		// System.err.println("bb.UR=" + pointftoString((ST_pointf) bb.UR));
		// TODO Auto-generated method stub
	}

	public static String pointftoString(ST_pointf point) {
		final StringBuilder sb = new StringBuilder();
		sb.append("(");
		sb.append(point.x);
		sb.append(" ; ");
		sb.append(point.y);
		sb.append(")");
		return sb.toString();

	}
}