2013-12-10 19:36:50 +00:00
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/* ========================================================================
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* PlantUML : a free UML diagram generator
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* ========================================================================
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*
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2019-01-16 18:34:41 +00:00
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* (C) Copyright 2009-2020, Arnaud Roques
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2013-12-10 19:36:50 +00:00
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*
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2016-03-06 16:47:34 +00:00
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* Project Info: http://plantuml.com
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2013-12-10 19:36:50 +00:00
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*
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2017-03-15 19:13:31 +00:00
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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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2013-12-10 19:36:50 +00:00
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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.flowdiagram;
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import java.awt.geom.Dimension2D;
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import java.awt.geom.Point2D;
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2015-06-07 10:23:10 +00:00
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import java.awt.geom.Rectangle2D;
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2013-12-10 19:36:50 +00:00
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import java.io.IOException;
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import java.io.OutputStream;
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import java.util.HashMap;
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import java.util.Map;
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import net.sourceforge.plantuml.Dimension2DDouble;
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import net.sourceforge.plantuml.FileFormatOption;
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import net.sourceforge.plantuml.UmlDiagram;
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import net.sourceforge.plantuml.UmlDiagramType;
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import net.sourceforge.plantuml.api.ImageDataSimple;
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import net.sourceforge.plantuml.core.DiagramDescription;
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import net.sourceforge.plantuml.core.ImageData;
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import net.sourceforge.plantuml.golem.MinMaxGolem;
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import net.sourceforge.plantuml.golem.Path;
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import net.sourceforge.plantuml.golem.Position;
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import net.sourceforge.plantuml.golem.Tile;
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import net.sourceforge.plantuml.golem.TileArea;
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import net.sourceforge.plantuml.golem.TileGeometry;
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import net.sourceforge.plantuml.golem.TilesField;
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import net.sourceforge.plantuml.graphic.HtmlColorUtils;
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2017-04-05 17:37:42 +00:00
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import net.sourceforge.plantuml.graphic.InnerStrategy;
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2013-12-10 19:36:50 +00:00
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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.ColorMapperIdentity;
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2017-11-20 16:10:36 +00:00
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import net.sourceforge.plantuml.ugraphic.MinMax;
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2013-12-10 19:36:50 +00:00
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import net.sourceforge.plantuml.ugraphic.UChangeBackColor;
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import net.sourceforge.plantuml.ugraphic.UChangeColor;
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import net.sourceforge.plantuml.ugraphic.UEllipse;
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import net.sourceforge.plantuml.ugraphic.UGraphic;
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import net.sourceforge.plantuml.ugraphic.UGraphicUtils;
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import net.sourceforge.plantuml.ugraphic.ULine;
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import net.sourceforge.plantuml.ugraphic.UShape;
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import net.sourceforge.plantuml.ugraphic.UTranslate;
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public class FlowDiagram extends UmlDiagram implements TextBlock {
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private static double SINGLE_SIZE_X = 100;
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private static double SINGLE_SIZE_Y = 35;
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private TilesField field;
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private final Map<Tile, ActivityBox> tilesBoxes = new HashMap<Tile, ActivityBox>();
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private Tile lastTile;
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2017-04-05 17:37:42 +00:00
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public Rectangle2D getInnerPosition(String member, StringBounder stringBounder, InnerStrategy strategy) {
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2015-06-07 10:23:10 +00:00
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throw new UnsupportedOperationException();
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}
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2013-12-10 19:36:50 +00:00
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public DiagramDescription getDescription() {
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2017-03-12 17:22:02 +00:00
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return new DiagramDescription("Flow Diagram");
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2013-12-10 19:36:50 +00:00
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}
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@Override
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public UmlDiagramType getUmlDiagramType() {
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return UmlDiagramType.FLOW;
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}
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public void lineSimple(TileGeometry orientation, String idDest, String label) {
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final Tile newTile;
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if (field == null) {
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field = new TilesField();
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tilesBoxes.clear();
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newTile = field.getRoot();
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} else {
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newTile = field.createTile(lastTile, orientation);
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}
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final ActivityBox box = new ActivityBox(newTile, idDest, label);
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tilesBoxes.put(newTile, box);
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lastTile = newTile;
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return;
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}
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public void linkSimple(TileGeometry orientation, String idDest) {
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final Tile tile = getTileById(idDest);
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field.addPath(lastTile, tile, orientation);
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}
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private Tile getTileById(String id) {
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for (Map.Entry<Tile, ActivityBox> ent : tilesBoxes.entrySet()) {
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if (ent.getValue().getId().equals(id)) {
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return ent.getKey();
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}
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}
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throw new IllegalArgumentException(id);
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}
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@Override
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2017-04-19 18:30:16 +00:00
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protected ImageData exportDiagramInternal(OutputStream os, int index, FileFormatOption fileFormatOption)
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throws IOException {
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2018-05-01 17:26:04 +00:00
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UGraphicUtils.writeImage(os, null, fileFormatOption, seed(), new ColorMapperIdentity(), HtmlColorUtils.WHITE,
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this);
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return ImageDataSimple.ok();
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2013-12-10 19:36:50 +00:00
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}
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public void drawU(UGraphic ug) {
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double x = 0;
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double y = 0;
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final MinMaxGolem minMax = getMinMax();
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x -= minMax.getMinX() * SINGLE_SIZE_X;
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y -= minMax.getMinY() * SINGLE_SIZE_Y;
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final StringBounder stringBounder = ug.getStringBounder();
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for (Map.Entry<Tile, ActivityBox> ent : tilesBoxes.entrySet()) {
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final Tile tile = ent.getKey();
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final Position pos = field.getPosition(tile);
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final int xmin = pos.getXmin();
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final int ymin = pos.getYmin();
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final ActivityBox box = ent.getValue();
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final Dimension2D dimBox = box.calculateDimension(stringBounder);
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final double deltaX = SINGLE_SIZE_X * 2 - dimBox.getWidth();
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final double deltaY = SINGLE_SIZE_Y * 2 - dimBox.getHeight();
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2017-04-19 18:30:16 +00:00
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box.drawU(ug.apply(new UTranslate((x + xmin * SINGLE_SIZE_X + deltaX / 2),
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(y + ymin * SINGLE_SIZE_Y + deltaY / 2))));
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2013-12-10 19:36:50 +00:00
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}
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2015-04-07 18:18:37 +00:00
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ug = ug.apply(new UChangeColor(HtmlColorUtils.MY_RED));
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ug = ug.apply(new UChangeBackColor(HtmlColorUtils.MY_RED));
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2013-12-10 19:36:50 +00:00
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final UShape arrow = new UEllipse(7, 7);
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for (Path p : field.getPaths()) {
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final TileArea start = p.getStart();
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final TileArea dest = p.getDest();
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final Point2D pStart = movePoint(getCenter(start), start.getTile(), start.getGeometry(), stringBounder);
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final Point2D pDest = movePoint(getCenter(dest), dest.getTile(), dest.getGeometry(), stringBounder);
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final ULine line = new ULine(pDest.getX() - pStart.getX(), pDest.getY() - pStart.getY());
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ug.apply(new UTranslate(x + pStart.getX(), y + pStart.getY())).draw(line);
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ug.apply(new UTranslate(x + pDest.getX() - 3, y + pDest.getY() - 3)).draw(arrow);
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}
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}
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private Point2D getCenter(TileArea area) {
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final Tile tile = area.getTile();
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final Position position = field.getPosition(tile);
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final double x = position.getCenterX();
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final double y = position.getCenterY();
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return new Point2D.Double(x * SINGLE_SIZE_X, y * SINGLE_SIZE_Y);
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}
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private Point2D movePoint(Point2D pt, Tile tile, TileGeometry tileGeometry, StringBounder stringBounder) {
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final Dimension2D dim = tilesBoxes.get(tile).calculateDimension(stringBounder);
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final double width = dim.getWidth();
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final double height = dim.getHeight();
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double x = pt.getX();
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double y = pt.getY();
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switch (tileGeometry) {
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case SOUTH:
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y += height / 2;
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break;
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case NORTH:
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y -= height / 2;
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break;
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case EAST:
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x += width / 2;
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break;
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case WEST:
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x -= width / 2;
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break;
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default:
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throw new IllegalStateException();
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}
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return new Point2D.Double(x, y);
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}
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private MinMaxGolem getMinMax() {
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final MinMaxGolem minMax = new MinMaxGolem();
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for (Tile tile : tilesBoxes.keySet()) {
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minMax.manage(field.getPosition(tile));
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}
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return minMax;
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}
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public Dimension2D calculateDimension(StringBounder stringBounder) {
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final MinMaxGolem minMax = getMinMax();
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return new Dimension2DDouble(minMax.getWidth() * SINGLE_SIZE_X, minMax.getHeight() * SINGLE_SIZE_Y);
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}
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2018-05-01 17:26:04 +00:00
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2017-11-20 16:10:36 +00:00
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public MinMax getMinMax(StringBounder stringBounder) {
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throw new UnsupportedOperationException();
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}
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2013-12-10 19:36:50 +00:00
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}
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