mirror of https://github.com/octoleo/plantuml.git
246 lines
7.1 KiB
Java
246 lines
7.1 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;
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import java.awt.geom.Dimension2D;
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import net.sourceforge.plantuml.Url;
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import net.sourceforge.plantuml.graphic.StringBounder;
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import net.sourceforge.plantuml.graphic.TextBlock;
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import net.sourceforge.plantuml.posimo.DotPath;
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public class LimitFinder implements UGraphic {
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public boolean matchesProperty(String propertyName) {
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return false;
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}
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public double dpiFactor() {
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return 1;
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}
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public UGraphic apply(UChange change) {
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if (change instanceof UTranslate) {
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return new LimitFinder(stringBounder, minmax, translate.compose((UTranslate) change), clip);
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} else if (change instanceof UStroke) {
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return new LimitFinder(this);
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} else if (change instanceof UChangeBackColor) {
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return new LimitFinder(this);
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} else if (change instanceof UChangeColor) {
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return new LimitFinder(this);
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} else if (change instanceof UHidden) {
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return new LimitFinder(this);
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} else if (change instanceof UAntiAliasing) {
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return new LimitFinder(this);
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} else if (change instanceof UScale) {
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return new LimitFinder(this);
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} else if (change instanceof UClip) {
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final LimitFinder copy = new LimitFinder(this);
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copy.clip = (UClip) change;
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copy.clip = copy.clip.translate(translate);
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return copy;
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}
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throw new UnsupportedOperationException(change.getClass().toString());
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}
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private final StringBounder stringBounder;
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private final UTranslate translate;
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private final MinMaxMutable minmax;
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private UClip clip;
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public LimitFinder(StringBounder stringBounder, boolean initToZero) {
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this(stringBounder, MinMaxMutable.getEmpty(initToZero), new UTranslate(), null);
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}
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private LimitFinder(StringBounder stringBounder, MinMaxMutable minmax, UTranslate translate, UClip clip) {
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this.stringBounder = stringBounder;
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this.minmax = minmax;
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this.translate = translate;
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this.clip = clip;
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}
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private LimitFinder(LimitFinder other) {
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this(other.stringBounder, other.minmax, other.translate, other.clip);
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}
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public StringBounder getStringBounder() {
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return stringBounder;
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}
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public UParam getParam() {
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return new UParamNull();
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}
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private void addPoint(double x, double y) {
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if (clip == null || clip.isInside(x, y)) {
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minmax.addPoint(x, y);
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}
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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 UText) {
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drawText(x, y, (UText) shape);
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} else if (shape instanceof ULine) {
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drawULine(x, y, (ULine) shape);
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} else if (shape instanceof UEllipse) {
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drawEllipse(x, y, (UEllipse) shape);
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} else if (shape instanceof UPolygon) {
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drawUPolygon(x, y, (UPolygon) shape);
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} else if (shape instanceof UPath) {
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drawUPath(x, y, (UPath) shape);
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} else if (shape instanceof URectangle) {
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drawRectangle(x, y, (URectangle) shape);
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} else if (shape instanceof DotPath) {
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drawDotPath(x, y, (DotPath) shape);
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} else if (shape instanceof UImage) {
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drawImage(x, y, (UImage) shape);
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} else if (shape instanceof UImageSvg) {
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drawImageSvg(x, y, (UImageSvg) shape);
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} else if (shape instanceof UComment) {
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} else if (shape instanceof UEmpty) {
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drawEmpty(x, y, (UEmpty) shape);
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} else if (shape instanceof TextBlock) {
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final TextBlock tb = (TextBlock) shape;
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tb.drawU(this);
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} else if (shape instanceof UCenteredCharacter) {
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// To be done
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} else if (shape instanceof UPixel) {
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addPoint(x, y);
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} else {
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throw new UnsupportedOperationException(shape.getClass().getName());
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}
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}
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private void drawEmpty(double x, double y, UEmpty shape) {
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addPoint(x, y);
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addPoint(x + shape.getWidth(), y + shape.getHeight());
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}
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private void drawUPath(double x, double y, UPath shape) {
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addPoint(x + shape.getMinX(), y + shape.getMinY());
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addPoint(x + shape.getMaxX(), y + shape.getMaxY());
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}
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private final static double HACK_X_FOR_POLYGON = 10;
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private void drawUPolygon(double x, double y, UPolygon shape) {
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if (shape.getPoints().size() == 0) {
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return;
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}
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addPoint(x + shape.getMinX() - HACK_X_FOR_POLYGON, y + shape.getMinY());
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addPoint(x + shape.getMaxX() + HACK_X_FOR_POLYGON, y + shape.getMaxY());
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}
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private void drawULine(double x, double y, ULine shape) {
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addPoint(x, y);
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addPoint(x + shape.getDX(), y + shape.getDY());
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}
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private void drawRectangle(double x, double y, URectangle shape) {
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addPoint(x, y);
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addPoint(x + shape.getWidth() - 1, y + shape.getHeight() - 1);
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}
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private void drawDotPath(double x, double y, DotPath shape) {
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final MinMax shapeMinMax = shape.getMinMax();
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addPoint(x + shapeMinMax.getMinX(), y + shapeMinMax.getMinY());
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addPoint(x + shapeMinMax.getMaxX(), y + shapeMinMax.getMaxY());
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}
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private void drawImage(double x, double y, UImage shape) {
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addPoint(x, y);
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addPoint(x + shape.getWidth() - 1, y + shape.getHeight() - 1);
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}
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private void drawImageSvg(double x, double y, UImageSvg shape) {
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addPoint(x, y);
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addPoint(x + shape.getWidth() - 1, y + shape.getHeight() - 1);
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}
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private void drawEllipse(double x, double y, UEllipse shape) {
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addPoint(x, y);
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addPoint(x + shape.getWidth() - 1, y + shape.getHeight() - 1);
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}
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private void drawText(double x, double y, UText text) {
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final Dimension2D dim = stringBounder.calculateDimension(text.getFontConfiguration().getFont(), text.getText());
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y -= dim.getHeight() - 1.5;
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addPoint(x, y);
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addPoint(x, y + dim.getHeight());
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addPoint(x + dim.getWidth(), y);
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addPoint(x + dim.getWidth(), y + dim.getHeight());
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}
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public ColorMapper getColorMapper() {
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return new ColorMapperIdentity();
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}
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public void startUrl(Url url) {
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}
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public void closeAction() {
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}
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public double getMaxX() {
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return minmax.getMaxX();
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}
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public double getMaxY() {
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return minmax.getMaxY();
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}
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public double getMinX() {
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return minmax.getMinX();
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}
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public double getMinY() {
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return minmax.getMinY();
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}
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public MinMax getMinMax() {
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if (minmax.isInfinity()) {
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return MinMax.getEmpty(true);
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}
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return MinMax.fromMutable(minmax);
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}
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public void flushUg() {
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}
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}
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