/* ========================================================================
 * PlantUML : a free UML diagram generator
 * ========================================================================
 *
 * (C) Copyright 2009-2017, Arnaud Roques
 *
 * Project Info:  http://plantuml.com
 * 
 * If you like this project or if you find it useful, you can support us at:
 * 
 * http://plantuml.com/patreon (only 1$ per month!)
 * http://plantuml.com/paypal
 * 
 * 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.
 *
 *
 * Original Author:  Arnaud Roques
 *
 */
package net.sourceforge.plantuml.ugraphic.svg;

import java.awt.font.TextLayout;

import net.sourceforge.plantuml.StringUtils;
import net.sourceforge.plantuml.graphic.TextBlockUtils;
import net.sourceforge.plantuml.graphic.UnusedSpace;
import net.sourceforge.plantuml.svg.SvgGraphics;
import net.sourceforge.plantuml.ugraphic.ColorMapper;
import net.sourceforge.plantuml.ugraphic.UCenteredCharacter;
import net.sourceforge.plantuml.ugraphic.UDriver;
import net.sourceforge.plantuml.ugraphic.UFont;
import net.sourceforge.plantuml.ugraphic.UParam;
import net.sourceforge.plantuml.ugraphic.UShape;

public class DriverCenteredCharacterSvg implements UDriver<SvgGraphics> {

	public void draw(UShape ushape, double x, double y, ColorMapper mapper, UParam param, SvgGraphics svg) {
		final UCenteredCharacter characterCircled = (UCenteredCharacter) ushape;
		final char c = characterCircled.getChar();
		final UFont font = characterCircled.getFont();
		final UnusedSpace unusedSpace = UnusedSpace.getUnusedSpace(font, c);

		final double xpos = x - unusedSpace.getCenterX() - 0.5;
		final double ypos = y - unusedSpace.getCenterY() - 0.5;

		final TextLayout t = new TextLayout("" + c, font.getFont(), TextBlockUtils.getFontRenderContext());
		svg.setStrokeColor(StringUtils.getAsHtml(mapper.getMappedColor(param.getColor())));
		DriverTextAsPathSvg.drawPathIterator(svg, xpos, ypos, t.getOutline(null).getPathIterator(null));

	}
}