net.sourceforge.plantuml.klimt.shape.UPolygon Maven / Gradle / Ivy
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package net.sourceforge.plantuml.klimt.shape;
import java.awt.geom.AffineTransform;
import java.util.ArrayList;
import java.util.List;
import net.sourceforge.plantuml.klimt.AbstractShadowable;
import net.sourceforge.plantuml.klimt.compress.CompressionMode;
import net.sourceforge.plantuml.klimt.geom.MinMax;
import net.sourceforge.plantuml.klimt.geom.XPoint2D;
public class UPolygon extends AbstractShadowable {
// ::remove file when __HAXE__
private final List all = new ArrayList();
private final String name;
private MinMax minmax = MinMax.getEmpty(false);
public UPolygon() {
this((String) null);
}
public UPolygon(List points) {
this((String) null);
all.addAll(points);
for (XPoint2D pt : all)
manageMinMax(pt.getX(), pt.getY());
}
public UPolygon(String name) {
this.name = name;
}
public XPoint2D getPoint(int idx) {
return all.get(idx);
}
public XPoint2D checkMiddleContactForSpecificTriangle(XPoint2D center) {
for (int i = 0; i < all.size() - 1; i++) {
final XPoint2D pt1 = all.get(i);
final XPoint2D pt2 = all.get(i + 1);
final XPoint2D middle = new XPoint2D((pt1.getX() + pt2.getX()) / 2, (pt1.getY() + pt2.getY()) / 2);
final double delta = middle.distance(center);
if (delta < 1)
return all.get((i + all.size() - 1) % all.size());
}
return null;
}
public void addPoint(double x, double y) {
all.add(new XPoint2D(x, y));
manageMinMax(x, y);
}
public void addPoint(XPoint2D point) {
addPoint(point.getX(), point.getY());
}
private void manageMinMax(double x, double y) {
minmax = minmax.addPoint(x, y);
}
public List getPoints() {
return all;
}
public UPolygon translate(double dx, double dy) {
final UPolygon result = new UPolygon();
for (XPoint2D pt : all)
result.addPoint(pt.x + dx, pt.y + dy);
return result;
}
public void rotate(double theta) {
if (theta == 0)
return;
affine(AffineTransform.getRotateInstance(theta));
}
public void affine(AffineTransform rotate) {
for (int i = 0; i < all.size(); i++)
all.set(i, all.get(i).transform(rotate));
}
@Override
public String toString() {
if (name != null)
return name;
return super.toString() + " " + all;
}
public double getHeight() {
return minmax.getHeight();
}
public double getWidth() {
return minmax.getWidth();
}
public double getMinX() {
return minmax.getMinX();
}
public double getMinY() {
return minmax.getMinY();
}
public double getMaxX() {
return minmax.getMaxX();
}
public double getMaxY() {
return minmax.getMaxY();
}
public MinMax getMinMax() {
return minmax;
}
public double[] getPointArray(double x, double y) {
final double points[] = new double[getPoints().size() * 2];
int i = 0;
for (XPoint2D pt : getPoints()) {
points[i++] = pt.getX() + x;
points[i++] = pt.getY() + y;
}
return points;
}
private CompressionMode compressionMode;
public final CompressionMode getCompressionMode() {
return compressionMode;
}
public final void setCompressionMode(CompressionMode compressionMode) {
this.compressionMode = compressionMode;
}
}