mirror of https://github.com/octoleo/plantuml.git
124 lines
4.1 KiB
Java
124 lines
4.1 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 2009-2017, 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.comp;
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import net.sourceforge.plantuml.graphic.UGraphicDelegator;
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import net.sourceforge.plantuml.ugraphic.UChange;
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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.UGraphic;
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import net.sourceforge.plantuml.ugraphic.ULine;
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import net.sourceforge.plantuml.ugraphic.URectangle;
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import net.sourceforge.plantuml.ugraphic.UShape;
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import net.sourceforge.plantuml.ugraphic.UStroke;
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import net.sourceforge.plantuml.ugraphic.UTranslate;
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public class UGraphicCompressOnXorY extends UGraphicDelegator {
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public UGraphic apply(UChange change) {
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if (change instanceof UTranslate) {
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return new UGraphicCompressOnXorY(mode, getUg(), compressionTransform, translate.compose((UTranslate) change));
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} else if (change instanceof UStroke || change instanceof UChangeBackColor || change instanceof UChangeColor) {
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return new UGraphicCompressOnXorY(mode, getUg().apply(change), compressionTransform, translate);
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}
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throw new UnsupportedOperationException();
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}
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private final CompressionMode mode;
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private final CompressionTransform compressionTransform;
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private final UTranslate translate;
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public UGraphicCompressOnXorY(CompressionMode mode, UGraphic ug, CompressionTransform compressionTransform) {
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this(mode, ug, compressionTransform, new UTranslate());
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}
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private UGraphicCompressOnXorY(CompressionMode mode, UGraphic ug, CompressionTransform compressionTransform,
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UTranslate translate) {
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super(ug);
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this.mode = mode;
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this.compressionTransform = compressionTransform;
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this.translate = translate;
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}
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public void draw(UShape shape) {
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final double x = translate.getDx();
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final double y = translate.getDy();
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if (shape instanceof URectangle) {
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final URectangle rect = (URectangle) shape;
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if (rect.isIgnoreForCompression()) {
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if (mode == CompressionMode.ON_X) {
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final double x2 = ct(x + rect.getWidth());
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shape = rect.withWidth(x2 - ct(x));
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} else {
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final double y2 = ct(y + rect.getHeight());
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shape = rect.withHeight(y2 - ct(y));
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}
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}
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}
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if (shape instanceof ULine) {
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drawLine(x, y, (ULine) shape);
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} else {
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if (mode == CompressionMode.ON_X) {
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getUg().apply(new UTranslate(ct(x), y)).draw(shape);
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} else {
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getUg().apply(new UTranslate(x, ct(y))).draw(shape);
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}
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}
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}
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private void drawLine(double x, double y, ULine shape) {
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if (mode == CompressionMode.ON_X) {
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drawLine(ct(x), y, ct(x + shape.getDX()), y + shape.getDY());
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} else {
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drawLine(x, ct(y), x + shape.getDX(), ct(y + shape.getDY()));
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}
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}
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private double ct(double v) {
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return compressionTransform.transform(v);
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}
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private void drawLine(double x1, double y1, double x2, double y2) {
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if (y1 > y2) {
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drawLine(x2, y2, x1, y1);
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return;
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}
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assert y1 <= y2;
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getUg().apply(new UTranslate(x1, y1)).draw(new ULine(x2 - x1, y2 - y1));
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}
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}
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