mirror of https://github.com/octoleo/plantuml.git
100 lines
3.6 KiB
Java
100 lines
3.6 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 java.awt.geom.Dimension2D;
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import net.sourceforge.plantuml.Dimension2DDouble;
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import net.sourceforge.plantuml.graphic.AbstractTextBlock;
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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.graphic.TextBlockUtils;
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import net.sourceforge.plantuml.ugraphic.MinMax;
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import net.sourceforge.plantuml.ugraphic.UGraphic;
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public class TextBlockCompressedOnXorY extends AbstractTextBlock implements TextBlock {
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private final TextBlock textBlock;
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private final CompressionMode mode;
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public TextBlockCompressedOnXorY(CompressionMode mode, TextBlock textBlock) {
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this.textBlock = textBlock;
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this.mode = mode;
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}
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public void drawU(final UGraphic ug) {
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final StringBounder stringBounder = ug.getStringBounder();
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final CompressionTransform compressionTransform = getCompressionTransform(stringBounder);
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textBlock.drawU(new UGraphicCompressOnXorY(mode, ug, compressionTransform));
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}
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private MinMax cachedMinMax;
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@Override
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public MinMax getMinMax(StringBounder stringBounder) {
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if (cachedMinMax == null) {
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cachedMinMax = TextBlockUtils.getMinMax(this, stringBounder);
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}
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return cachedMinMax;
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}
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private CompressionTransform cachedCompressionTransform;
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private CompressionTransform getCompressionTransform(final StringBounder stringBounder) {
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if (cachedCompressionTransform == null) {
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cachedCompressionTransform = getCompressionTransformSlow(stringBounder);
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}
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return cachedCompressionTransform;
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}
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private CompressionTransform getCompressionTransformSlow(final StringBounder stringBounder) {
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final SlotFinder slotFinder = new SlotFinder(mode, stringBounder);
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textBlock.drawU(slotFinder);
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final SlotSet ysSlotSet = slotFinder.getSlotSet().reverse().smaller(5.0);
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final CompressionTransform compressionTransform = new CompressionTransform(ysSlotSet);
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return compressionTransform;
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}
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public Dimension2D calculateDimension(StringBounder stringBounder) {
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final CompressionTransform compressionTransform = getCompressionTransform(stringBounder);
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final Dimension2D dim = textBlock.calculateDimension(stringBounder);
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if (mode == CompressionMode.ON_X) {
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return new Dimension2DDouble(compressionTransform.transform(dim.getWidth()), dim.getHeight());
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} else {
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return new Dimension2DDouble(dim.getWidth(), compressionTransform.transform(dim.getHeight()));
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}
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}
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} |