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108 lines
3.5 KiB
Java
108 lines
3.5 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 2009-2024, 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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*/
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package net.sourceforge.plantuml.klimt.drawing;
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import static net.sourceforge.plantuml.utils.ObjectUtils.instanceOfAny;
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import net.sourceforge.plantuml.klimt.UBackground;
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import net.sourceforge.plantuml.klimt.UChange;
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import net.sourceforge.plantuml.klimt.UShape;
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import net.sourceforge.plantuml.klimt.UStroke;
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import net.sourceforge.plantuml.klimt.UTranslate;
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import net.sourceforge.plantuml.klimt.color.HColor;
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import net.sourceforge.plantuml.klimt.font.StringBounder;
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import net.sourceforge.plantuml.klimt.geom.MinMaxMutable;
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import net.sourceforge.plantuml.klimt.geom.XDimension2D;
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import net.sourceforge.plantuml.klimt.shape.UText;
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public class TextLimitFinder extends UGraphicNo {
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private final MinMaxMutable minmax;
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@Override
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public UGraphic apply(UChange change) {
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if (!instanceOfAny(change, UBackground.class, HColor.class, UStroke.class, UTranslate.class))
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throw new UnsupportedOperationException(change.getClass().toString());
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final UTranslate tmp = change instanceof UTranslate ? this.getTranslate().compose((UTranslate) change)
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: this.getTranslate();
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return new TextLimitFinder(this.getStringBounder(), tmp, this.minmax);
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}
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public static TextLimitFinder create(StringBounder stringBounder, boolean initToZero) {
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return new TextLimitFinder(stringBounder, new UTranslate(), MinMaxMutable.getEmpty(initToZero));
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}
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private TextLimitFinder(StringBounder stringBounder, UTranslate translate, MinMaxMutable minmax) {
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super(stringBounder, translate);
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this.minmax = minmax;
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}
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public void draw(UShape shape) {
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if (shape instanceof UText) {
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final double x = getTranslate().getDx();
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final double y = getTranslate().getDy();
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drawText(x, y, (UText) shape);
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}
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}
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private void drawText(double x, double y, UText text) {
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final XDimension2D dim = getStringBounder().calculateDimension(text.getFontConfiguration().getFont(),
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text.getText());
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y -= dim.getHeight() - 1.5;
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minmax.addPoint(x, y);
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minmax.addPoint(x, y + dim.getHeight());
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minmax.addPoint(x + dim.getWidth(), y);
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minmax.addPoint(x + dim.getWidth(), y + dim.getHeight());
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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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}
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