mirror of https://github.com/octoleo/plantuml.git
188 lines
7.0 KiB
Java
188 lines
7.0 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 2009-2020, 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.ugraphic.g2d;
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import java.awt.BasicStroke;
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import java.awt.Color;
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import java.awt.FontMetrics;
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import java.awt.GradientPaint;
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import java.awt.Graphics2D;
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import java.awt.RenderingHints;
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import java.awt.geom.AffineTransform;
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import java.awt.geom.Dimension2D;
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import java.awt.geom.Rectangle2D;
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import java.util.List;
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import net.sourceforge.plantuml.Dimension2DDouble;
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import net.sourceforge.plantuml.EnsureVisible;
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import net.sourceforge.plantuml.FileFormat;
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import net.sourceforge.plantuml.TikzFontDistortion;
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import net.sourceforge.plantuml.graphic.FontConfiguration;
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import net.sourceforge.plantuml.graphic.FontStyle;
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import net.sourceforge.plantuml.graphic.StringBounder;
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import net.sourceforge.plantuml.graphic.StyledString;
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import net.sourceforge.plantuml.ugraphic.UDriver;
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import net.sourceforge.plantuml.ugraphic.UFont;
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import net.sourceforge.plantuml.ugraphic.UParam;
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import net.sourceforge.plantuml.ugraphic.UShape;
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import net.sourceforge.plantuml.ugraphic.UText;
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import net.sourceforge.plantuml.ugraphic.color.ColorMapper;
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import net.sourceforge.plantuml.ugraphic.color.HColor;
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import net.sourceforge.plantuml.ugraphic.color.HColorGradient;
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public class DriverTextG2d implements UDriver<Graphics2D> {
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private final EnsureVisible visible;
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public DriverTextG2d(EnsureVisible visible) {
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this.visible = visible;
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}
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public void draw(UShape ushape, double x, double y, ColorMapper mapper, UParam param, Graphics2D g2d) {
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final UText shape = (UText) ushape;
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final FontConfiguration fontConfiguration = shape.getFontConfiguration();
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final String text = shape.getText();
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final List<StyledString> strings = StyledString.build(text);
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final UFont font = fontConfiguration.getFont().scaled(param.getScale());
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for (StyledString styledString : strings) {
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final FontConfiguration fc = styledString.getStyle() == FontStyle.BOLD ? fontConfiguration.bold()
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: fontConfiguration;
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final Dimension2D dim = calculateDimension(
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FileFormat.PNG.getDefaultStringBounder(TikzFontDistortion.getDefault()), fc.getFont(),
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styledString.getText());
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printSingleText(g2d, fc, styledString.getText(), x, y, mapper, param);
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x += dim.getWidth();
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}
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}
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private void printSingleText(Graphics2D g2d, final FontConfiguration fontConfiguration, final String text, double x,
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double y, ColorMapper mapper, UParam param) {
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final UFont font = fontConfiguration.getFont().scaled(param.getScale());
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final HColor extended = fontConfiguration.getExtendedColor();
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final int orientation = 0;
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if (orientation == 90) {
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g2d.setRenderingHint(RenderingHints.KEY_TEXT_ANTIALIASING, RenderingHints.VALUE_TEXT_ANTIALIAS_ON);
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g2d.setFont(font.getFont());
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g2d.setColor(mapper.toColor(fontConfiguration.getColor()));
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final AffineTransform orig = g2d.getTransform();
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g2d.translate(x, y);
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g2d.rotate(Math.PI / 2);
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g2d.drawString(text, 0, 0);
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g2d.setTransform(orig);
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} else if (orientation == 0) {
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final Dimension2D dimBack = calculateDimension(
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FileFormat.PNG.getDefaultStringBounder(TikzFontDistortion.getDefault()), font, text);
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if (fontConfiguration.containsStyle(FontStyle.BACKCOLOR)) {
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final Rectangle2D.Double area = new Rectangle2D.Double(x, y - dimBack.getHeight() + 1.5,
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dimBack.getWidth(), dimBack.getHeight());
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if (extended instanceof HColorGradient) {
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final GradientPaint paint = DriverRectangleG2d.getPaintGradient(x, y, mapper, dimBack.getWidth(),
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dimBack.getHeight(), extended);
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g2d.setPaint(paint);
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g2d.fill(area);
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} else {
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final Color backColor = mapper.toColor(extended);
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if (backColor != null) {
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g2d.setColor(backColor);
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g2d.setBackground(backColor);
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g2d.fill(area);
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}
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}
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}
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visible.ensureVisible(x, y - dimBack.getHeight() + 1.5);
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visible.ensureVisible(x + dimBack.getWidth(), y + 1.5);
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g2d.setRenderingHint(RenderingHints.KEY_TEXT_ANTIALIASING, RenderingHints.VALUE_TEXT_ANTIALIAS_ON);
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g2d.setFont(font.getFont());
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g2d.setColor(mapper.toColor(fontConfiguration.getColor()));
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g2d.drawString(text, (float) x, (float) y);
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if (fontConfiguration.containsStyle(FontStyle.UNDERLINE)) {
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if (extended != null) {
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g2d.setColor(mapper.toColor(extended));
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}
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final Dimension2D dim = calculateDimension(
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FileFormat.PNG.getDefaultStringBounder(TikzFontDistortion.getDefault()), font, text);
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final int ypos = (int) (y + 2.5);
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g2d.setStroke(new BasicStroke((float) 1));
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g2d.drawLine((int) x, ypos, (int) (x + dim.getWidth()), ypos);
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g2d.setStroke(new BasicStroke());
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}
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if (fontConfiguration.containsStyle(FontStyle.WAVE)) {
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final Dimension2D dim = calculateDimension(
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FileFormat.PNG.getDefaultStringBounder(TikzFontDistortion.getDefault()), font, text);
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final int ypos = (int) (y + 2.5) - 1;
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if (extended != null) {
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g2d.setColor(mapper.toColor(extended));
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}
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for (int i = (int) x; i < x + dim.getWidth() - 5; i += 6) {
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g2d.drawLine(i, ypos - 0, i + 3, ypos + 1);
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g2d.drawLine(i + 3, ypos + 1, i + 6, ypos - 0);
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}
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}
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if (fontConfiguration.containsStyle(FontStyle.STRIKE)) {
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final Dimension2D dim = calculateDimension(
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FileFormat.PNG.getDefaultStringBounder(TikzFontDistortion.getDefault()), font, text);
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final FontMetrics fm = g2d.getFontMetrics(font.getFont());
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final int ypos = (int) (y - fm.getDescent() - 0.5);
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if (extended != null) {
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g2d.setColor(mapper.toColor(extended));
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}
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g2d.setStroke(new BasicStroke((float) 1.5));
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g2d.drawLine((int) x, ypos, (int) (x + dim.getWidth()), ypos);
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g2d.setStroke(new BasicStroke());
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}
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}
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}
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static public Dimension2D calculateDimension(StringBounder stringBounder, UFont font, String text) {
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final Dimension2D rect = stringBounder.calculateDimension(font, text);
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double h = rect.getHeight();
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if (h < 10) {
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h = 10;
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}
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return new Dimension2DDouble(rect.getWidth(), h);
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}
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}
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