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101 lines
2.8 KiB
Java
101 lines
2.8 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.skin;
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import java.awt.geom.Dimension2D;
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import net.sourceforge.plantuml.Dimension2DDouble;
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import net.sourceforge.plantuml.graphic.StringBounder;
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import net.sourceforge.plantuml.style.Style;
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import net.sourceforge.plantuml.style.StyleSignature;
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import net.sourceforge.plantuml.ugraphic.UGraphic;
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import net.sourceforge.plantuml.ugraphic.UTranslate;
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public abstract class AbstractComponent implements Component {
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public final Style[] getUsedStyles() {
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throw new UnsupportedOperationException();
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}
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public StyleSignature getStyleSignature() {
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throw new UnsupportedOperationException();
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}
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private final Style style;
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public AbstractComponent(Style style) {
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this.style = style;
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}
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protected final Style getStyle() {
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return style;
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}
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abstract protected void drawInternalU(UGraphic ug, Area area);
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protected void drawBackgroundInternalU(UGraphic ug, Area area) {
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}
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public final void drawU(UGraphic ug, Area area, Context2D context) {
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ug = ug.apply(new UTranslate(getPaddingX(), getPaddingY()));
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if (context.isBackground()) {
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drawBackgroundInternalU(ug, area);
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} else {
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drawInternalU(ug, area);
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}
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}
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public double getPaddingX() {
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return 0;
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}
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public double getPaddingY() {
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return 0;
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}
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public abstract double getPreferredWidth(StringBounder stringBounder);
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public abstract double getPreferredHeight(StringBounder stringBounder);
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public final Dimension2D getPreferredDimension(StringBounder stringBounder) {
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final double w = getPreferredWidth(stringBounder);
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final double h = getPreferredHeight(stringBounder);
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return new Dimension2DDouble(w, h);
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}
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}
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