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135 lines
4.5 KiB
Java
135 lines
4.5 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 2009-2020, Arnaud Roques
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*
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* Project Info: http://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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* http://plantuml.com/patreon (only 1$ per month!)
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* http://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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*/
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package net.sourceforge.plantuml.ugraphic.g2d;
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import java.awt.BasicStroke;
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import java.awt.GradientPaint;
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import java.awt.Graphics2D;
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import java.awt.geom.GeneralPath;
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import java.awt.geom.Point2D;
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import net.sourceforge.plantuml.EnsureVisible;
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import net.sourceforge.plantuml.ugraphic.UDriver;
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import net.sourceforge.plantuml.ugraphic.UParam;
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import net.sourceforge.plantuml.ugraphic.UPolygon;
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import net.sourceforge.plantuml.ugraphic.UShape;
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import net.sourceforge.plantuml.ugraphic.color.ColorMapper;
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import net.sourceforge.plantuml.ugraphic.color.HColor;
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import net.sourceforge.plantuml.ugraphic.color.HColorGradient;
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import net.sourceforge.plantuml.ugraphic.color.HColorUtils;
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public class DriverPolygonG2d extends DriverShadowedG2d implements UDriver<Graphics2D> {
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private final double dpiFactor;
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private final EnsureVisible visible;
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public DriverPolygonG2d(double dpiFactor, EnsureVisible visible) {
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this.dpiFactor = dpiFactor;
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this.visible = visible;
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}
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public void draw(UShape ushape, double x, double y, ColorMapper mapper, UParam param, Graphics2D g2d) {
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final UPolygon shape = (UPolygon) ushape;
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g2d.setStroke(new BasicStroke((float) param.getStroke().getThickness()));
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final GeneralPath path = new GeneralPath();
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final HColor back = param.getBackcolor();
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Point2D.Double last = null;
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for (Point2D pt : shape.getPoints()) {
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final double xp = pt.getX() + x;
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final double yp = pt.getY() + y;
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visible.ensureVisible(xp, yp);
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if (last == null) {
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path.moveTo((float) xp, (float) yp);
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} else {
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path.lineTo((float) xp, (float) yp);
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}
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last = new Point2D.Double(xp, yp);
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}
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if (last != null) {
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path.closePath();
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}
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if (shape.getDeltaShadow() != 0) {
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if (HColorUtils.isTransparent(back)) {
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drawOnlyLineShadowSpecial(g2d, path, shape.getDeltaShadow(), dpiFactor);
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} else {
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drawShadow(g2d, path, shape.getDeltaShadow(), dpiFactor);
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}
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}
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if (back instanceof HColorGradient) {
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final HColorGradient gr = (HColorGradient) back;
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final char policy = gr.getPolicy();
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final GradientPaint paint;
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if (policy == '|') {
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paint = new GradientPaint((float) x, (float) (y + shape.getHeight()) / 2,
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mapper.toColor(gr.getColor1()), (float) (x + shape.getWidth()),
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(float) (y + shape.getHeight()) / 2, mapper.toColor(gr.getColor2()));
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} else if (policy == '\\') {
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paint = new GradientPaint((float) x, (float) (y + shape.getHeight()), mapper.toColor(gr.getColor1()),
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(float) (x + shape.getWidth()), (float) y, mapper.toColor(gr.getColor2()));
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} else if (policy == '-') {
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paint = new GradientPaint((float) (x + shape.getWidth()) / 2, (float) y, mapper.toColor(gr.getColor1()),
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(float) (x + shape.getWidth()) / 2, (float) (y + shape.getHeight()),
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mapper.toColor(gr.getColor2()));
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} else {
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// for /
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paint = new GradientPaint((float) x, (float) y, mapper.toColor(gr.getColor1()),
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(float) (x + shape.getWidth()), (float) (y + shape.getHeight()),
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mapper.toColor(gr.getColor2()));
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}
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g2d.setPaint(paint);
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g2d.fill(path);
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} else if (back != null) {
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g2d.setColor(mapper.toColor(back));
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DriverRectangleG2d.managePattern(param, g2d);
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g2d.fill(path);
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}
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if (param.getColor() != null) {
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g2d.setColor(mapper.toColor(param.getColor()));
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DriverLineG2d.manageStroke(param, g2d);
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g2d.draw(path);
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}
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}
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}
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