mirror of https://github.com/octoleo/plantuml.git
185 lines
6.3 KiB
Java
185 lines
6.3 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.graphic;
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import java.awt.Font;
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import java.awt.FontMetrics;
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import java.awt.Graphics2D;
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import java.awt.font.FontRenderContext;
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import java.awt.font.LineMetrics;
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import java.awt.geom.Dimension2D;
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import java.awt.geom.Point2D;
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import java.awt.geom.Rectangle2D;
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import java.awt.image.BufferedImage;
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import net.sourceforge.plantuml.ColorParam;
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import net.sourceforge.plantuml.CornerParam;
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import net.sourceforge.plantuml.Dimension2DDouble;
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import net.sourceforge.plantuml.ISkinParam;
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import net.sourceforge.plantuml.LineParam;
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import net.sourceforge.plantuml.cucadiagram.Display;
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import net.sourceforge.plantuml.posimo.Positionable;
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import net.sourceforge.plantuml.posimo.PositionableImpl;
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import net.sourceforge.plantuml.skin.rose.Rose;
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import net.sourceforge.plantuml.ugraphic.LimitFinder;
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import net.sourceforge.plantuml.ugraphic.MinMax;
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import net.sourceforge.plantuml.ugraphic.UFont;
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import net.sourceforge.plantuml.ugraphic.UGraphic;
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import net.sourceforge.plantuml.ugraphic.UStroke;
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public class TextBlockUtils {
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public static TextBlock bordered(TextBlock textBlock, UStroke stroke, HtmlColor borderColor,
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HtmlColor backgroundColor, double cornersize) {
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return new TextBlockBordered(textBlock, stroke, borderColor, backgroundColor, cornersize);
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}
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public static TextBlock title(FontConfiguration font, Display stringsToDisplay, ISkinParam skinParam) {
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UStroke stroke = skinParam.getThickness(LineParam.titleBorder, null);
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final Rose rose = new Rose();
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HtmlColor borderColor = rose.getHtmlColor(skinParam, ColorParam.titleBorder);
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final HtmlColor backgroundColor = rose.getHtmlColor(skinParam, ColorParam.titleBackground);
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final TextBlockTitle result = new TextBlockTitle(font, stringsToDisplay, skinParam);
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if (stroke == null && borderColor == null) {
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return result;
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}
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if (stroke == null) {
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stroke = new UStroke(1.5);
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}
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if (borderColor == null) {
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borderColor = HtmlColorUtils.BLACK;
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}
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final double corner = skinParam.getRoundCorner(CornerParam.titleBorder, null);
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return withMargin(bordered(result, stroke, borderColor, backgroundColor, corner), 2, 2);
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}
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public static TextBlock withMargin(TextBlock textBlock, double marginX, double marginY) {
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return new TextBlockMarged(textBlock, marginX, marginX, marginY, marginY);
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}
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public static TextBlock withMargin(TextBlock textBlock, double marginX1, double marginX2, double marginY1,
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double marginY2) {
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return new TextBlockMarged(textBlock, marginX1, marginX2, marginY1, marginY2);
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}
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public static TextBlock withMinWidth(TextBlock textBlock, double minWidth, HorizontalAlignment horizontalAlignment) {
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return new TextBlockMinWidth(textBlock, minWidth, horizontalAlignment);
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}
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public static TextBlock empty(final double width, final double height) {
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return new AbstractTextBlock() {
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public void drawU(UGraphic ug) {
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}
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public Dimension2D calculateDimension(StringBounder stringBounder) {
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return new Dimension2DDouble(width, height);
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}
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};
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}
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public static Positionable asPositionable(TextBlock textBlock, StringBounder stringBounder, Point2D pt) {
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return new PositionableImpl(pt, textBlock.calculateDimension(stringBounder));
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}
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public static TextBlock mergeLR(TextBlock b1, TextBlock b2, VerticalAlignment verticallAlignment) {
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return new TextBlockHorizontal(b1, b2, verticallAlignment);
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}
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public static TextBlock mergeTB(TextBlock b1, TextBlock b2, HorizontalAlignment horizontalAlignment) {
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return new TextBlockVertical2(b1, b2, horizontalAlignment);
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}
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public static MinMax getMinMax(TextBlock tb, StringBounder stringBounder) {
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final LimitFinder limitFinder = new LimitFinder(stringBounder, false);
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tb.drawU(limitFinder);
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return limitFinder.getMinMax();
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}
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private static final Graphics2D gg;
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static {
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final BufferedImage imDummy = new BufferedImage(10, 10, BufferedImage.TYPE_INT_RGB);
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gg = imDummy.createGraphics();
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}
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public static boolean isEmpty(TextBlock text, StringBounder dummyStringBounder) {
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if (text == null) {
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return true;
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}
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final Dimension2D dim = text.calculateDimension(dummyStringBounder);
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return dim.getHeight() == 0 && dim.getWidth() == 0;
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}
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public static FontRenderContext getFontRenderContext() {
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return gg.getFontRenderContext();
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}
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public static LineMetrics getLineMetrics(UFont font, String text) {
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return font.getLineMetrics(gg, text);
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}
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public static FontMetrics getFontMetrics(Font font) {
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return gg.getFontMetrics(font);
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}
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public static TextBlock fullInnerPosition(final TextBlock bloc, final String display) {
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return new TextBlock() {
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public void drawU(UGraphic ug) {
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bloc.drawU(ug);
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}
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public Dimension2D calculateDimension(StringBounder stringBounder) {
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return bloc.calculateDimension(stringBounder);
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}
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public MinMax getMinMax(StringBounder stringBounder) {
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return bloc.getMinMax(stringBounder);
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}
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public Rectangle2D getInnerPosition(String member, StringBounder stringBounder, InnerStrategy strategy) {
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if (strategy.check(display, member)) {
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final Dimension2D dim = calculateDimension(stringBounder);
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return new Rectangle2D.Double(0, 0, dim.getWidth(), dim.getHeight());
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}
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return null;
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}
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};
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}
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}
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