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127 lines
4.7 KiB
Java
127 lines
4.7 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.graphic;
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import java.awt.geom.Dimension2D;
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import java.awt.geom.Point2D;
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import net.sourceforge.plantuml.Dimension2DDouble;
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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.UGraphicStencil;
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import net.sourceforge.plantuml.ugraphic.UPath;
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import net.sourceforge.plantuml.ugraphic.URectangle;
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import net.sourceforge.plantuml.ugraphic.UStroke;
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import net.sourceforge.plantuml.ugraphic.UTranslate;
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class USymbolStack extends USymbol {
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@Override
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public SkinParameter getSkinParameter() {
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return SkinParameter.STACK;
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}
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private void drawQueue(UGraphic ug, double width, double height, boolean shadowing, double roundCorner) {
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final double border = 15;
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final URectangle rect = new URectangle(width - 2 * border, height, roundCorner, roundCorner);
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if (shadowing) {
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rect.setDeltaShadow(3.0);
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}
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ug.apply(new UChangeColor(null)).apply(new UTranslate(border, 0)).draw(rect);
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final UPath path = new UPath();
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if (roundCorner == 0) {
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path.moveTo(0, 0);
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path.lineTo(border, 0);
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path.lineTo(border, height);
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path.lineTo(width - border, height);
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path.lineTo(width - border, 0);
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path.lineTo(width, 0);
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} else {
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path.moveTo(0, 0);
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path.lineTo(border - roundCorner / 2, 0);
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path.arcTo(new Point2D.Double(border, roundCorner / 2), roundCorner / 2, 0, 1);
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path.lineTo(border, height - roundCorner / 2);
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path.arcTo(new Point2D.Double(border + roundCorner / 2, height), roundCorner / 2, 0, 0);
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path.lineTo(width - border - roundCorner / 2, height);
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path.arcTo(new Point2D.Double(width - border, height - roundCorner / 2), roundCorner / 2, 0, 0);
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path.lineTo(width - border, roundCorner / 2);
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path.arcTo(new Point2D.Double(width - border + roundCorner / 2, 0), roundCorner / 2, 0, 1);
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path.lineTo(width, 0);
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}
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ug.apply(new UChangeBackColor(null)).draw(path);
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}
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private Margin getMargin() {
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return new Margin(25, 25, 10, 10);
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}
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@Override
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public TextBlock asSmall(TextBlock name, final TextBlock label, final TextBlock stereotype,
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final SymbolContext symbolContext, final HorizontalAlignment stereoAlignment) {
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return new AbstractTextBlock() {
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public void drawU(UGraphic ug) {
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final Dimension2D dim = calculateDimension(ug.getStringBounder());
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ug = UGraphicStencil.create(ug, getRectangleStencil(dim), new UStroke());
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ug = symbolContext.apply(ug);
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drawQueue(ug, dim.getWidth(), dim.getHeight(), symbolContext.isShadowing(),
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symbolContext.getRoundCorner());
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final Margin margin = getMargin();
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final TextBlock tb = TextBlockUtils.mergeTB(stereotype, label, HorizontalAlignment.CENTER);
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tb.drawU(ug.apply(new UTranslate(margin.getX1(), margin.getY1())));
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}
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public Dimension2D calculateDimension(StringBounder stringBounder) {
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final Dimension2D dimLabel = label.calculateDimension(stringBounder);
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final Dimension2D dimStereo = stereotype.calculateDimension(stringBounder);
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return getMargin().addDimension(Dimension2DDouble.mergeTB(dimStereo, dimLabel));
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}
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};
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}
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@Override
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public TextBlock asBig(final TextBlock title, HorizontalAlignment labelAlignment, final TextBlock stereotype,
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final double width, final double height, final SymbolContext symbolContext, final HorizontalAlignment stereoAlignment) {
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throw new UnsupportedOperationException();
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}
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@Override
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public boolean manageHorizontalLine() {
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return true;
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}
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} |