DriverTextPdf.java

/* ========================================================================
 * PlantUML : a free UML diagram generator
 * ========================================================================
 *
 * (C) Copyright 2009-2024, Arnaud Roques
 *
 * Project Info:  https://plantuml.com
 * 
 * If you like this project or if you find it useful, you can support us at:
 * 
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 * 
 * This file is part of PlantUML.
 *
 * PlantUML is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * PlantUML distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
 * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
 * License for more details.
 *
 * You should have received a copy of the GNU General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301,
 * USA.
 *
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 * Original Author:  Arnaud Roques
 *
 */
package net.sourceforge.plantuml.openpdf;

import org.openpdf.text.pdf.BaseFont;

import net.sourceforge.plantuml.klimt.ClipContainer;
import net.sourceforge.plantuml.klimt.UClip;
import net.sourceforge.plantuml.klimt.UParam;
import net.sourceforge.plantuml.klimt.color.ColorMapper;
import net.sourceforge.plantuml.klimt.color.HColor;
import net.sourceforge.plantuml.klimt.drawing.UDriver;
import net.sourceforge.plantuml.klimt.font.FontConfiguration;
import net.sourceforge.plantuml.klimt.font.StringBounder;
import net.sourceforge.plantuml.klimt.font.UFont;
import net.sourceforge.plantuml.klimt.shape.UText;

public class DriverTextPdf implements UDriver<UText, PdfGraphics> {

//	// Collects extra colored lines (underline/strikethrough) that cannot be
//	// expressed as simple CSS text-decoration because they use a custom color.
//	static class ExtraLines {
//		private final List<HColor> colors = new ArrayList<>();
//		private final List<Double> deltaYs = new ArrayList<>();
//
//		void add(HColor color, double deltaY) {
//			colors.add(color);
//			deltaYs.add(deltaY);
//		}
//
//		void drawAll(double x, double y, double width, UFont font, ColorMapper mapper, SvgGraphics svg) {
//			for (int i = 0; i < colors.size(); i++) {
//				svg.setStrokeColor(colors.get(i).toSvg(mapper));
//				svg.setStrokeWidth(font.getSize2D() / 28.0, null);
//				svg.svgLine(x, y + deltaYs.get(i), x + width, y + deltaYs.get(i), 0);
//			}
//		}
//	}

	private final ClipContainer clipContainer;

	public DriverTextPdf(StringBounder stringBounder, ClipContainer clipContainer) {
		this.clipContainer = clipContainer;
	}

	public void draw(UText shape, double x, double y, ColorMapper mapper, UParam param, PdfGraphics pdf) {
		final UClip clip = clipContainer.getClip();
		if (clip != null && clip.isInside(x, y) == false)
			return;

		final FontConfiguration fontConfiguration = shape.getFontConfiguration();
		if (fontConfiguration.getColor().isTransparent())
			return;

		final UFont ufont = fontConfiguration.getFont();


		String text = shape.getText();
//		if (text.matches("^\\s*$"))
//			text = text.replace(' ', (char) 160);
//
//		if (text.startsWith(" ")) {
//			final double space = stringBounder.calculateDimension(font, " ").getWidth();
//			while (text.startsWith(" ")) {
//				x += space;
//				text = text.substring(1);
//			}
//		}
//		text = StringUtils.trin(text);
//		final XDimension2D dim = stringBounder.calculateDimension(font, text);
//		final double width = dim.getWidth();
//		final double height = dim.getHeight();
//
//		final ExtraLines extraLines = new ExtraLines();
//
//		final StringBuilder decorations = new StringBuilder();
//
//		if (fontConfiguration.containsStyle(FontStyle.UNDERLINE)
//				&& fontConfiguration.getUnderlineStroke().getThickness() > 0) {
//			if (fontConfiguration.getExtendedColor() == null)
//				decorations.append("underline ");
//			else
//				extraLines.add(fontConfiguration.getExtendedColor(), font.getSize2D() / 14.0);
//
//		}
//
//		if (fontConfiguration.containsStyle(FontStyle.STRIKE)) {
//			if (fontConfiguration.getExtendedColor() == null)
//				decorations.append("line-through ");
//			else
//				extraLines.add(fontConfiguration.getExtendedColor(), -font.getSize2D() / 4.0);
//
//		}
//
//		if (fontConfiguration.containsStyle(FontStyle.WAVE)) {
//			// Beware that some current SVG implementations do not render the wave properly
//			// (e.g. Chrome just draws a straight line)
//			// Works ok on Firefox 85.
//			decorations.append("wavy underline ");
//		}
//
//		final String textDecoration = decorations.length() > 0 ? decorations.toString().trim() : null;
//
//		String backColor = null;
//		if (fontConfiguration.containsStyle(FontStyle.BACKCOLOR)) {
//			final HColor back = fontConfiguration.getExtendedColor();
//			if (back instanceof HColorGradient) {
//				final HColorGradient gr = (HColorGradient) back;
//				final String id = svg.createSvgGradient(gr.getColor1().toRGB(mapper), gr.getColor2().toRGB(mapper),
//						gr.getPolicy());
//				svg.setFillColor("url(#" + id + ")");
//				svg.setStrokeColor(null);
//				final double deltaPatch = 2;
//				svg.svgRectangle(x, y - height + deltaPatch, width, height, 0, 0, 0/* , null, null */);
//
//			} else
//				backColor = back.toRGB(mapper);
//
//		}
//
		final HColor textColor = fontConfiguration.getColor();
		pdf.setFillColor(textColor.toColor(mapper).toAwtColor());
		final BaseFont baseFont = StringBounderOpenPdf.resolveFont(fontConfiguration.getFont());

		pdf.pdfText(text, x, y, baseFont, ufont.getSize());
//		svg.text(text, x, y, font.getFamily(text, UFontContext.SVG), font.getSize(), fontWeight, fontStyle,
//				textDecoration, width, fontConfiguration.getAttributes(), backColor, shape.getOrientation());
//
//		extraLines.drawAll(x, y, width, font, mapper, svg);

	}
}