mirror of https://github.com/octoleo/plantuml.git
176 lines
4.4 KiB
Java
176 lines
4.4 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 2009-2024, Arnaud Roques
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*
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* Project Info: https://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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* https://plantuml.com/patreon (only 1$ per month!)
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* https://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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package net.sourceforge.plantuml.klimt;
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import java.awt.geom.Line2D;
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import java.awt.geom.Rectangle2D;
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import net.sourceforge.plantuml.klimt.geom.XPoint2D;
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public class UClip implements UChange {
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private final double x;
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private final double y;
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private final double width;
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private final double height;
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public UClip(double x, double y, double width, double height) {
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this.x = x;
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this.y = y;
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this.width = width;
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this.height = height;
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}
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public UClip enlarge(double delta) {
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return new UClip(x - delta, y - delta, width + 2 * delta, height + 2 * delta);
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}
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@Override
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public String toString() {
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return "CLIP x=" + x + " y=" + y + " w=" + width + " h=" + height;
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}
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public UClip translate(double dx, double dy) {
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return new UClip(x + dx, y + dy, width, height);
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}
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public UClip translate(UTranslate translate) {
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return translate(translate.getDx(), translate.getDy());
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}
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public final double getX() {
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return x;
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}
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public final double getY() {
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return y;
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}
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public final double getWidth() {
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return width;
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}
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public final double getHeight() {
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return height;
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}
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public boolean isInside(XPoint2D pt) {
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return isInside(pt.getX(), pt.getY());
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}
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public boolean isInside(double xp, double yp) {
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if (xp < x) {
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assert getClippedX(xp) != xp;
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return false;
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}
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if (xp > x + width) {
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assert getClippedX(xp) != xp;
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return false;
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}
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if (yp < y) {
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assert getClippedY(yp) != yp;
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return false;
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}
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if (yp > y + height) {
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assert getClippedY(yp) != yp;
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return false;
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}
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assert getClippedX(xp) == xp;
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assert getClippedY(yp) == yp;
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return true;
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}
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// ::comment when __HAXE__
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public Rectangle2D.Double getClippedRectangle(Rectangle2D.Double r) {
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return (Rectangle2D.Double) r.createIntersection(new Rectangle2D.Double(x, y, width, height));
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}
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public Line2D.Double getClippedLine(Line2D.Double line) {
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if (isInside(line.x1, line.y1) && isInside(line.x2, line.y2))
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return line;
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if (isInside(line.x1, line.y1) == false && isInside(line.x2, line.y2) == false) {
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if (line.x1 == line.x2) {
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final double newy1 = getClippedY(line.y1);
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final double newy2 = getClippedY(line.y2);
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if (newy1 != newy2)
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return new Line2D.Double(line.x1, newy1, line.x2, newy2);
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}
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return null;
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}
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if (line.x1 != line.x2 && line.y1 != line.y2)
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return null;
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assert line.x1 == line.x2 || line.y1 == line.y2;
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if (line.y1 == line.y2) {
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final double newx1 = getClippedX(line.x1);
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final double newx2 = getClippedX(line.x2);
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return new Line2D.Double(newx1, line.y1, newx2, line.y2);
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}
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if (line.x1 == line.x2) {
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final double newy1 = getClippedY(line.y1);
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final double newy2 = getClippedY(line.y2);
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return new Line2D.Double(line.x1, newy1, line.x2, newy2);
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}
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throw new IllegalStateException();
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}
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public boolean isInside(double x, double y, UPath shape) {
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return isInside(x + shape.getMinX(), y + shape.getMinY()) && isInside(x + shape.getMaxX(), y + shape.getMaxY());
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}
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// ::done
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private double getClippedX(double xp) {
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if (xp < x)
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return x;
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if (xp > x + width)
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return x + width;
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return xp;
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}
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private double getClippedY(double yp) {
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if (yp < y)
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return y;
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if (yp > y + height)
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return y + height;
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return yp;
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}
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}
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