mirror of https://github.com/octoleo/plantuml.git
221 lines
6.0 KiB
Java
221 lines
6.0 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 2009-2023, 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.sequencediagram.graphic;
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import net.sourceforge.plantuml.awt.geom.XDimension2D;
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import net.sourceforge.plantuml.graphic.HorizontalAlignment;
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import net.sourceforge.plantuml.graphic.StringBounder;
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import net.sourceforge.plantuml.png.PngTitler;
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import net.sourceforge.plantuml.utils.MathUtils;
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public class SequenceDiagramArea {
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private final double sequenceWidth;
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private final double sequenceHeight;
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private double headerWidth;
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private double headerHeight;
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private double headerMargin;
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private double titleWidth;
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private double titleHeight;
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private double captionWidth;
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private double captionHeight;
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private double footerWidth;
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private double footerHeight;
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private double footerMargin;
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private double legendWidth;
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private double legendHeight;
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private boolean isLegendTop;
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private HorizontalAlignment legendHorizontalAlignment;
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public void setLegend(XDimension2D dimLegend, boolean isLegendTop, HorizontalAlignment horizontalAlignment) {
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this.legendHorizontalAlignment = horizontalAlignment;
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this.legendWidth = dimLegend.getWidth();
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this.legendHeight = dimLegend.getHeight();
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this.isLegendTop = isLegendTop;
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}
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public double getLegendWidth() {
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return legendWidth;
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}
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public boolean hasLegend() {
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return legendHeight > 0 && legendWidth > 0;
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}
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public double getLegendX() {
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if (legendHorizontalAlignment == HorizontalAlignment.LEFT)
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return 0;
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else if (legendHorizontalAlignment == HorizontalAlignment.RIGHT)
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return Math.max(0, getWidth() - legendWidth);
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else
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return Math.max(0, getWidth() - legendWidth) / 2;
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}
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public SequenceDiagramArea(double width, double height) {
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this.sequenceWidth = width;
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this.sequenceHeight = height;
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}
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public void setTitleArea(double width, double height) {
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this.titleWidth = width;
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this.titleHeight = height;
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}
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private void setCaptionArea(double width, double height) {
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this.captionWidth = width;
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this.captionHeight = height;
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}
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public void setCaptionArea(XDimension2D dim) {
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setCaptionArea(dim.getWidth(), dim.getHeight());
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}
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public void setHeaderArea(double headerWidth, double headerHeight, double headerMargin) {
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this.headerWidth = headerWidth;
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this.headerHeight = headerHeight;
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this.headerMargin = headerMargin;
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}
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public void setFooterArea(double footerWidth, double footerHeight, double footerMargin) {
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this.footerWidth = footerWidth;
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this.footerHeight = footerHeight;
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this.footerMargin = footerMargin;
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}
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public double getWidth() {
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return MathUtils.max(sequenceWidth, headerWidth, titleWidth, footerWidth, captionWidth);
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}
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public double getHeight() {
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return sequenceHeight + headerHeight + headerMargin + titleHeight + footerMargin + footerHeight + captionHeight
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+ legendHeight;
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}
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public double getFooterY() {
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return sequenceHeight + headerHeight + headerMargin + titleHeight + footerMargin + captionHeight + legendHeight;
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}
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public double getCaptionY() {
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return sequenceHeight + headerHeight + headerMargin + titleHeight + legendHeight;
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}
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public double getLegendY() {
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if (isLegendTop)
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return titleHeight + headerHeight + headerMargin;
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return sequenceHeight + headerHeight + headerMargin + titleHeight;
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}
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public double getTitleX() {
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return (getWidth() - titleWidth) / 2;
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}
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public double getTitleY() {
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return headerHeight + headerMargin;
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}
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public double getHeaderHeightMargin() {
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return headerHeight + headerMargin;
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}
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public double getCaptionX() {
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return (getWidth() - captionWidth) / 2;
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}
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public double getSequenceAreaX() {
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return (getWidth() - sequenceWidth) / 2;
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}
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public double getSequenceAreaY() {
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if (isLegendTop)
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return getTitleY() + titleHeight + legendHeight;
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return getTitleY() + titleHeight;
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}
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public double getHeaderY() {
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return 0;
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}
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public double getFooterX(HorizontalAlignment align) {
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if (align == HorizontalAlignment.LEFT)
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return 0;
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if (align == HorizontalAlignment.RIGHT)
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return getWidth() - footerWidth;
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if (align == HorizontalAlignment.CENTER)
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return (getWidth() - footerWidth) / 2;
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throw new IllegalStateException();
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}
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public double getHeaderX(HorizontalAlignment align) {
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if (align == HorizontalAlignment.LEFT)
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return 0;
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if (align == HorizontalAlignment.RIGHT)
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return getWidth() - headerWidth;
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if (align == HorizontalAlignment.CENTER)
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return (getWidth() - headerWidth) / 2;
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throw new IllegalStateException();
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}
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public void initFooter(PngTitler pngTitler, StringBounder stringBounder) {
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final XDimension2D dim = pngTitler.getTextDimension(stringBounder);
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if (dim != null)
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setFooterArea(dim.getWidth(), dim.getHeight(), 0);
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}
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public void initHeader(PngTitler pngTitler, StringBounder stringBounder) {
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final XDimension2D dim = pngTitler.getTextDimension(stringBounder);
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if (dim != null)
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setHeaderArea(dim.getWidth(), dim.getHeight(), 0);
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}
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}
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