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// THIS FILE HAS BEEN GENERATED BY A PREPROCESSOR.
/* +=======================================================================
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* | PlantUML : a free UML diagram generator
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* (C) Copyright 2009-2024, Arnaud Roques
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package net.sourceforge.plantuml.svek;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import java.util.EnumSet;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Iterator;
import java.util.LinkedHashSet;
import java.util.List;
import java.util.Map;
import java.util.Objects;
import java.util.Set;
import net.sourceforge.plantuml.abel.CucaNote;
import net.sourceforge.plantuml.abel.Entity;
import net.sourceforge.plantuml.abel.EntityPosition;
import net.sourceforge.plantuml.abel.GroupType;
import net.sourceforge.plantuml.abel.Together;
import net.sourceforge.plantuml.cucadiagram.ICucaDiagram;
import net.sourceforge.plantuml.decoration.symbol.USymbol;
import net.sourceforge.plantuml.decoration.symbol.USymbols;
import net.sourceforge.plantuml.dot.GraphvizVersion;
import net.sourceforge.plantuml.klimt.UGroupType;
import net.sourceforge.plantuml.klimt.UStroke;
import net.sourceforge.plantuml.klimt.UTranslate;
import net.sourceforge.plantuml.klimt.color.ColorType;
import net.sourceforge.plantuml.klimt.color.Colors;
import net.sourceforge.plantuml.klimt.color.HColor;
import net.sourceforge.plantuml.klimt.color.HColorSet;
import net.sourceforge.plantuml.klimt.color.HColors;
import net.sourceforge.plantuml.klimt.drawing.UGraphic;
import net.sourceforge.plantuml.klimt.font.StringBounder;
import net.sourceforge.plantuml.klimt.geom.MagneticBorder;
import net.sourceforge.plantuml.klimt.geom.MagneticBorderNone;
import net.sourceforge.plantuml.klimt.geom.Moveable;
import net.sourceforge.plantuml.klimt.geom.RectangleArea;
import net.sourceforge.plantuml.klimt.geom.XDimension2D;
import net.sourceforge.plantuml.klimt.geom.XPoint2D;
import net.sourceforge.plantuml.klimt.shape.TextBlock;
import net.sourceforge.plantuml.klimt.shape.UComment;
import net.sourceforge.plantuml.klimt.shape.ULine;
import net.sourceforge.plantuml.skin.AlignmentParam;
import net.sourceforge.plantuml.skin.UmlDiagramType;
import net.sourceforge.plantuml.stereo.Stereotype;
import net.sourceforge.plantuml.style.ISkinParam;
import net.sourceforge.plantuml.style.PName;
import net.sourceforge.plantuml.style.SName;
import net.sourceforge.plantuml.style.Style;
import net.sourceforge.plantuml.style.StyleBuilder;
import net.sourceforge.plantuml.style.StyleSignatureBasic;
import net.sourceforge.plantuml.svek.image.EntityImageNoteLink;
import net.sourceforge.plantuml.svek.image.EntityImageState;
import net.sourceforge.plantuml.svek.image.EntityImageStateCommon;
import net.sourceforge.plantuml.url.Url;
import net.sourceforge.plantuml.utils.Position;
public class Cluster implements Moveable {
// /* private */ static final String RANK_SAME = "same";
/* private */ static final String RANK_SOURCE = "source";
/* private */ static final String RANK_SINK = "sink";
public final static String CENTER_ID = "za";
private final Cluster parentCluster;
private final Entity group;
private final List nodes = new ArrayList<>();
private final List children = new ArrayList<>();
private final int color;
private final int colorTitle;
private final int colorNoteTop;
private final int colorNoteBottom;
private final ISkinParam skinParam;
protected final ICucaDiagram diagram;
private ClusterHeader clusterHeader;
private XPoint2D xyTitle;
private XPoint2D xyNoteTop;
private XPoint2D xyNoteBottom;
private RectangleArea rectangleArea;
public void moveDelta(double deltaX, double deltaY) {
if (this.xyNoteTop != null)
this.xyNoteTop = this.xyNoteTop.move(deltaX, deltaY);
if (this.xyNoteBottom != null)
this.xyNoteBottom = this.xyNoteBottom.move(deltaX, deltaY);
if (this.xyTitle != null)
this.xyTitle = this.xyTitle.move(deltaX, deltaY);
if (this.rectangleArea != null)
this.rectangleArea = this.rectangleArea.move(deltaX, deltaY);
}
private Set entityPositionsExceptNormal() {
final Set result = EnumSet.noneOf(EntityPosition.class);
for (SvekNode sh : nodes)
if (sh.getEntityPosition() != EntityPosition.NORMAL)
result.add(sh.getEntityPosition());
return Collections.unmodifiableSet(result);
}
public Cluster(ICucaDiagram diagram, ColorSequence colorSequence, ISkinParam skinParam, Entity root) {
this(diagram, null, colorSequence, skinParam, root);
}
private Cluster(ICucaDiagram diagram, Cluster parentCluster, ColorSequence colorSequence, ISkinParam skinParam,
Entity group) {
if (group == null)
throw new IllegalStateException();
this.parentCluster = parentCluster;
this.group = group;
this.diagram = diagram;
this.color = colorSequence.getValue();
this.colorTitle = colorSequence.getValue();
this.colorNoteTop = colorSequence.getValue();
this.colorNoteBottom = colorSequence.getValue();
this.skinParam = group.getColors().mute(skinParam);
}
@Override
public String toString() {
return super.toString() + " " + group;
}
public final Cluster getParentCluster() {
return parentCluster;
}
public void addNode(SvekNode node) {
this.nodes.add(Objects.requireNonNull(node));
node.setCluster(this);
}
public final List getNodes() {
return Collections.unmodifiableList(nodes);
}
public final List getNodes(EnumSet position) {
final List result = new ArrayList<>();
for (SvekNode node : nodes)
if (position.contains(node.getEntityPosition()))
result.add(node);
return Collections.unmodifiableList(result);
}
private List getNodesOrderedTop(Collection lines) {
final List firsts = new ArrayList<>();
final Map shs = new HashMap();
for (final Iterator it = nodes.iterator(); it.hasNext();) {
final SvekNode node = it.next();
shs.put(node.getUid(), node);
}
for (SvekEdge l : lines)
if (l.isInverted()) {
final SvekNode sh = shs.get(l.getStartUidPrefix());
if (sh != null && isNormalPosition(sh))
firsts.add(0, sh);
}
return firsts;
}
private boolean isNormalPosition(final SvekNode sh) {
return sh.getEntityPosition() == EntityPosition.NORMAL;
}
private List getNodesOrderedWithoutTop(Collection lines) {
final List all = new ArrayList<>(nodes);
final Map shs = new HashMap();
for (final Iterator it = all.iterator(); it.hasNext();) {
final SvekNode sh = it.next();
if (isNormalPosition(sh) == false) {
it.remove();
continue;
}
shs.put(sh.getUid(), sh);
}
for (SvekEdge l : lines)
if (l.isInverted()) {
final SvekNode sh = shs.get(l.getStartUidPrefix());
if (sh != null)
all.remove(sh);
}
return all;
}
public final List getChildren() {
return Collections.unmodifiableList(children);
}
public Cluster createChild(ClusterHeader clusterHeader, ColorSequence colorSequence, ISkinParam skinParam,
Entity g) {
final Cluster child = new Cluster(diagram, this, colorSequence, skinParam, g);
child.clusterHeader = clusterHeader;
this.children.add(child);
return child;
}
public final Set getGroups() {
return Collections.singleton(group);
}
final Entity getGroup() {
return group;
}
public final int getTitleAndAttributeWidth() {
return clusterHeader.getTitleAndAttributeWidth();
}
public final int getTitleAndAttributeHeight() {
return clusterHeader.getTitleAndAttributeHeight();
}
public RectangleArea getRectangleArea() {
return rectangleArea;
}
public void setTitlePosition(XPoint2D pos) {
this.xyTitle = pos;
}
public void setNoteTopPosition(XPoint2D pos) {
this.xyNoteTop = pos;
}
public void setNoteBottomPosition(XPoint2D pos) {
this.xyNoteBottom = pos;
}
static public StyleSignatureBasic getDefaultStyleDefinition(SName diagramStyleName, USymbol symbol,
GroupType groupType) {
if (diagramStyleName == SName.stateDiagram)
return StyleSignatureBasic.of(SName.root, SName.element, SName.stateDiagram, SName.state, SName.group);
if (symbol != null)
return StyleSignatureBasic.of(SName.root, SName.element, diagramStyleName, SName.group, symbol.getSName());
if (groupType == GroupType.PACKAGE)
return StyleSignatureBasic.of(SName.root, SName.element, diagramStyleName, SName.package_, SName.group);
return StyleSignatureBasic.of(SName.root, SName.element, diagramStyleName, SName.group);
}
public void drawU(UGraphic ug, UmlDiagramType umlDiagramType) {
if (group.isHidden())
return;
if (diagram.getPragma().useKermor()) {
if (xyNoteTop != null)
getCucaNote(Position.TOP).drawU(ug.apply(UTranslate.point(xyNoteTop)));
if (xyNoteBottom != null)
getCucaNote(Position.BOTTOM).drawU(ug.apply(UTranslate.point(xyNoteBottom)));
}
final String fullName = group.getName();
if (fullName.startsWith("##") == false)
ug.draw(new UComment("cluster " + fullName));
final USymbol uSymbol = group.getUSymbol() == null ? USymbols.PACKAGE : group.getUSymbol();
final Style style = getDefaultStyleDefinition(umlDiagramType.getStyleName(), uSymbol, group.getGroupType())
.withTOBECHANGED(group.getStereotype()).getMergedStyle(skinParam.getCurrentStyleBuilder());
final double shadowing = style.value(PName.Shadowing).asDouble();
HColor borderColor;
if (group.getColors().getColor(ColorType.LINE) != null)
borderColor = group.getColors().getColor(ColorType.LINE);
else
borderColor = style.value(PName.LineColor).asColor(skinParam.getIHtmlColorSet());
double rounded = style.value(PName.RoundCorner).asDouble();
if (skinParam.strictUmlStyle())
rounded = 0;
final double diagonalCorner = style.value(PName.DiagonalCorner).asDouble();
ug.startGroup(Collections.singletonMap(UGroupType.ID, "cluster_" + fullName));
final Url url = group.getUrl99();
if (url != null)
ug.startUrl(url);
try {
if (entityPositionsExceptNormal().size() > 0)
manageEntryExitPoint(ug.getStringBounder());
if (skinParam.useSwimlanes(umlDiagramType)) {
drawSwinLinesState(ug, borderColor);
return;
}
final boolean isState = umlDiagramType == UmlDiagramType.STATE;
if (isState && group.getUSymbol() == null) {
drawUState(ug, umlDiagramType, rounded, shadowing);
return;
}
PackageStyle packageStyle = group.getPackageStyle();
if (packageStyle == null)
packageStyle = skinParam.packageStyle();
final UStroke stroke = getStrokeInternal(group, style);
HColor backColor = getBackColor(umlDiagramType, style);
backColor = getBackColor(backColor, group.getStereotype(), umlDiagramType.getStyleName(),
group.getUSymbol(), skinParam.getCurrentStyleBuilder(), skinParam.getIHtmlColorSet(),
group.getGroupType());
final ClusterDecoration decoration = new ClusterDecoration(packageStyle, group.getUSymbol(),
clusterHeader.getTitle(), clusterHeader.getStereo(), rectangleArea, stroke);
decoration.drawU(ug, backColor, borderColor, shadowing, rounded,
skinParam.getHorizontalAlignment(AlignmentParam.packageTitleAlignment, null, false, null),
skinParam.getStereotypeAlignment(), diagonalCorner);
} catch (Exception e) {
e.printStackTrace();
} finally {
if (url != null)
ug.closeUrl();
ug.closeGroup();
}
}
EntityImageNoteLink getCucaNote(Position position) {
final List notes = getGroup().getNotes(position);
if (notes.size() == 0)
return null;
final CucaNote note = notes.get(0);
return new EntityImageNoteLink(note.getDisplay(), note.getColors(), skinParam,
skinParam.getCurrentStyleBuilder());
}
static public UStroke getStrokeInternal(Entity group, Style style) {
final Colors colors = group.getColors();
if (colors.getSpecificLineStroke() != null)
return colors.getSpecificLineStroke();
return style.getStroke();
}
void manageEntryExitPoint(StringBounder stringBounder) {
final Collection insides = new ArrayList<>();
final List points = new ArrayList<>();
for (SvekNode sh : nodes)
if (isNormalPosition(sh))
insides.add(sh.getRectangleArea());
else
points.add(sh.getRectangleArea().getPointCenter());
for (Cluster in : children)
if (in.getRectangleArea() == null)
System.err.println("Frontier null for " + in);
else
insides.add(in.getRectangleArea());
final FrontierCalculator frontierCalculator = new FrontierCalculator(getRectangleArea(), insides, points,
skinParam.getRankdir());
if (getTitleAndAttributeWidth() > 0 && getTitleAndAttributeHeight() > 0)
frontierCalculator.ensureMinWidth(getTitleAndAttributeWidth() + 10);
this.rectangleArea = frontierCalculator.getSuggestedPosition();
final double widthTitle = clusterHeader.getTitle().calculateDimension(stringBounder).getWidth();
final double minX = rectangleArea.getMinX();
final double minY = rectangleArea.getMinY();
this.xyTitle = new XPoint2D(minX + ((rectangleArea.getWidth() - widthTitle) / 2), minY + IEntityImage.MARGIN);
}
private void drawSwinLinesState(UGraphic ug, HColor borderColor) {
clusterHeader.getTitle().drawU(ug.apply(UTranslate.dx(xyTitle.x)));
final ULine line = ULine.vline(rectangleArea.getHeight());
ug = ug.apply(borderColor);
ug.apply(UTranslate.dx(rectangleArea.getMinX())).draw(line);
ug.apply(UTranslate.dx(rectangleArea.getMaxX())).draw(line);
}
// GroupPngMakerState
private void drawUState(UGraphic ug, UmlDiagramType umlDiagramType, double rounded, double shadowing) {
final XDimension2D total = rectangleArea.getDimension();
final double suppY = clusterHeader.getTitle().calculateDimension(ug.getStringBounder()).getHeight()
+ IEntityImage.MARGIN;
HColor borderColor = group.getColors().getColor(ColorType.LINE);
if (borderColor == null)
borderColor = EntityImageStateCommon.getStyleState(group, skinParam).value(PName.LineColor)
.asColor(skinParam.getIHtmlColorSet());
HColor backColor = group.getColors().getColor(ColorType.BACK);
if (backColor == null)
backColor = EntityImageStateCommon.getStyleState(group, skinParam).value(PName.BackGroundColor)
.asColor(skinParam.getIHtmlColorSet());
final HColor imgBackcolor = EntityImageStateCommon.getStyleStateBody(group, skinParam)
.value(PName.BackGroundColor).asColor(skinParam.getIHtmlColorSet());
final TextBlock attribute = ((Entity) group).getStateHeader(skinParam);
final double attributeHeight = attribute.calculateDimension(ug.getStringBounder()).getHeight();
if (total.getWidth() == 0) {
System.err.println("Cluster::drawUState issue");
return;
}
UStroke stroke = group.getColors().getSpecificLineStroke();
if (stroke == null)
stroke = EntityImageStateCommon.getStyleState(group, skinParam).getStroke();
final RoundedContainer r = new RoundedContainer(total, suppY,
attributeHeight + (attributeHeight > 0 ? IEntityImage.MARGIN : 0), borderColor, backColor, imgBackcolor,
stroke, rounded, shadowing);
r.drawU(ug.apply(rectangleArea.getPosition()));
clusterHeader.getTitle().drawU(ug.apply(UTranslate.point(xyTitle)));
if (attributeHeight > 0)
attribute.drawU(ug.apply(new UTranslate(rectangleArea.getMinX() + IEntityImage.MARGIN,
rectangleArea.getMinY() + suppY + IEntityImage.MARGIN / 2.0)));
final Stereotype stereotype = group.getStereotype();
final boolean withSymbol = stereotype != null && stereotype.isWithOOSymbol();
if (withSymbol)
EntityImageState.drawSymbol(ug.apply(borderColor), rectangleArea.getMaxX(), rectangleArea.getMaxY());
}
public void setPosition(XPoint2D min, XPoint2D max) {
this.rectangleArea = RectangleArea.build(min, max);
}
// ::comment when __CORE__
public boolean printCluster1(StringBuilder sb, Collection lines, StringBounder stringBounder) {
final List tmp = getNodesOrderedTop(lines);
if (tmp.size() == 0)
return false;
for (SvekNode node : tmp)
node.appendShape(sb, stringBounder);
return true;
}
private int togetherCounter = 0;
private void printTogether(Together together, Collection otherTogethers, StringBuilder sb,
List nodesOrderedWithoutTop, StringBounder stringBounder, Collection lines,
DotMode dotMode, GraphvizVersion graphvizVersion, UmlDiagramType type) {
sb.append("subgraph " + getClusterId() + "t" + togetherCounter + " {\n");
for (SvekNode node : nodesOrderedWithoutTop)
if (node.getTogether() == together)
node.appendShape(sb, stringBounder);
for (Cluster child : children)
if (child.group.getTogether() == together)
child.printInternal(sb, lines, stringBounder, dotMode, graphvizVersion, type);
for (Together otherTogether : otherTogethers)
if (otherTogether.getParent() == together)
printTogether(otherTogether, otherTogethers, sb, nodesOrderedWithoutTop, stringBounder, lines, dotMode,
graphvizVersion, type);
sb.append("}\n");
togetherCounter++;
}
public SvekNode printCluster2(StringBuilder sb, Collection lines, StringBounder stringBounder,
DotMode dotMode, GraphvizVersion graphvizVersion, UmlDiagramType type) {
SvekNode added = null;
final Collection togethers = new LinkedHashSet<>();
final List nodesOrderedWithoutTop = getNodesOrderedWithoutTop(lines);
for (SvekNode node : nodesOrderedWithoutTop) {
final Together together = node.getTogether();
if (together == null)
node.appendShape(sb, stringBounder);
else
addTogetherWithParents(togethers, together);
added = node;
}
for (Cluster child : children)
if (child.group.getTogether() != null)
addTogetherWithParents(togethers, child.group.getTogether());
for (Together together : togethers)
if (together.getParent() == null)
printTogether(together, togethers, sb, nodesOrderedWithoutTop, stringBounder, lines, dotMode,
graphvizVersion, type);
if (skinParam.useRankSame() && dotMode != DotMode.NO_LEFT_RIGHT_AND_XLABEL
&& graphvizVersion.ignoreHorizontalLinks() == false)
appendRankSame(sb, lines);
for (Cluster child : children)
if (child.group.getTogether() == null)
child.printInternal(sb, lines, stringBounder, dotMode, graphvizVersion, type);
return added;
}
private static void addTogetherWithParents(Collection collection, Together together) {
Together t = together;
while (t != null) {
collection.add(t);
t = t.getParent();
}
}
public void printCluster3_forKermor(StringBuilder sb, Collection lines, StringBounder stringBounder,
DotMode dotMode, GraphvizVersion graphvizVersion, UmlDiagramType type) {
final List tmp = getNodes(EntityPosition.getNormals());
if (tmp.size() == 0) {
sb.append(getClusterId() + "empty [shape=point,label=\"\"];");
SvekUtils.println(sb);
} else {
for (SvekNode node : tmp)
node.appendShape(sb, stringBounder);
}
for (Cluster child : getChildren())
child.printInternal(sb, lines, stringBounder, dotMode, graphvizVersion, type);
}
private void printInternal(StringBuilder sb, Collection lines, StringBounder stringBounder,
DotMode dotMode, GraphvizVersion graphvizVersion, UmlDiagramType type) {
new ClusterDotString(this, skinParam).printInternal(sb, lines, stringBounder, dotMode, graphvizVersion, type);
}
private void appendRankSame(StringBuilder sb, Collection lines) {
for (String same : getRankSame(lines)) {
sb.append(same);
SvekUtils.println(sb);
}
}
private Set getRankSame(Collection lines) {
final Set rankSame = new HashSet<>();
for (SvekEdge l : lines) {
if (l.hasEntryPoint())
continue;
final String startUid = l.getStartUidPrefix();
final String endUid = l.getEndUidPrefix();
if (isInCluster(startUid) && isInCluster(endUid)) {
final String same = l.rankSame();
if (same != null)
rankSame.add(same);
}
}
return rankSame;
}
private boolean isInCluster(String uid) {
for (SvekNode node : nodes)
if (node.getUid().equals(uid))
return true;
return false;
}
public String getClusterId() {
return "cluster" + color;
}
static String getSpecialPointId(Entity group) {
return CENTER_ID + group.getUid();
}
String getMinPoint(UmlDiagramType type) {
if (skinParam.useSwimlanes(type))
return "minPoint" + color;
return null;
}
String getMaxPoint(UmlDiagramType type) {
if (skinParam.useSwimlanes(type))
return "maxPoint" + color;
return null;
}
public boolean isLabel() {
return getTitleAndAttributeHeight() > 0 && getTitleAndAttributeWidth() > 0;
}
int getColor() {
return color;
}
int getTitleColor() {
return colorTitle;
}
private final HColor getBackColor(UmlDiagramType umlDiagramType, Style style) {
if (group.isRoot())
return null;
final HColor result = group.getColors().getColor(ColorType.BACK);
if (result != null)
return result;
return style.value(PName.BackGroundColor).asColor(skinParam.getIHtmlColorSet());
}
boolean isClusterOf(Entity ent) {
if (ent.isGroup() == false)
return false;
return group == ent;
}
public static HColor getBackColor(HColor backColor, Stereotype stereotype, SName styleName, USymbol symbol,
StyleBuilder styleBuilder, HColorSet colorSet, GroupType groupType) {
final Style style = getDefaultStyleDefinition(styleName, symbol, groupType).getMergedStyle(styleBuilder);
if (backColor == null)
backColor = style.value(PName.BackGroundColor).asColor(colorSet);
if (backColor == null || backColor.equals(HColors.transparent()))
backColor = HColors.transparent();
return backColor;
}
// double checkFolderPosition(XPoint2D pt, StringBounder stringBounder) {
// if (getClusterPosition().isPointJustUpper(pt)) {
//
// final XDimension2D dimTitle = clusterHeader.getTitle().calculateDimension(stringBounder);
//
// if (pt.getX() < getClusterPosition().getMinX() + dimTitle.getWidth())
// return 0;
//
// return getClusterPosition().getMinY() - pt.getY() + dimTitle.getHeight();
// }
// return 0;
// }
public final int getColorNoteTop() {
return colorNoteTop;
}
public final int getColorNoteBottom() {
return colorNoteBottom;
}
public XDimension2D getTitleDimension(StringBounder stringBounder) {
return clusterHeader.getTitle().calculateDimension(stringBounder);
}
public MagneticBorder getMagneticBorder() {
if (group.getUSymbol() == null)
return new MagneticBorderNone();
final USymbol uSymbol = group.getUSymbol();
PackageStyle packageStyle = group.getPackageStyle();
if (packageStyle == null)
packageStyle = skinParam.packageStyle();
final UmlDiagramType umlDiagramType = UmlDiagramType.CLASS;
final Style style = getDefaultStyleDefinition(umlDiagramType.getStyleName(), uSymbol, group.getGroupType())
.withTOBECHANGED(group.getStereotype()).getMergedStyle(skinParam.getCurrentStyleBuilder());
final UStroke stroke = getStrokeInternal(group, style);
final ClusterDecoration decoration = new ClusterDecoration(packageStyle, group.getUSymbol(),
clusterHeader.getTitle(), clusterHeader.getStereo(), rectangleArea, stroke);
final TextBlock textBlock = decoration.getTextBlock(HColors.BLACK, HColors.BLACK, 0, 0,
skinParam.getHorizontalAlignment(AlignmentParam.packageTitleAlignment, null, false, null),
skinParam.getStereotypeAlignment(), 0);
final MagneticBorder orig = textBlock.getMagneticBorder();
return new MagneticBorder() {
public UTranslate getForceAt(StringBounder stringBounder, XPoint2D position) {
return orig.getForceAt(stringBounder,
position.move(-rectangleArea.getMinX(), -rectangleArea.getMinY()));
}
};
}
// public XPoint2D projection(double x, double y) {
// final double v1 = Math.abs(minX - x);
// final double v2 = Math.abs(maxX - x);
// final double v3 = Math.abs(minY - y);
// final double v4 = Math.abs(maxY - y);
// if (v1 <= v2 && v1 <= v3 && v1 <= v4) {
// return new XPoint2D(minX, y);
// }
// if (v2 <= v1 && v2 <= v3 && v2 <= v4) {
// return new XPoint2D(maxX, y);
// }
// if (v3 <= v1 && v3 <= v2 && v3 <= v4) {
// return new XPoint2D(x, minY);
// }
// if (v4 <= v1 && v4 <= v1 && v4 <= v3) {
// return new XPoint2D(x, maxY);
// }
// throw new IllegalStateException();
// }
}
