PathItem.java

/*
 * $Id: PathItem.java 341 2012-06-18 14:38:54Z blowagie $
 *
 * This file is part of the iText (R) project.
 * Copyright (c) 1998-2012 1T3XT BVBA
 * Authors: VVB, Bruno Lowagie, et al.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License version 3
 * as published by the Free Software Foundation with the addition of the
 * following permission added to Section 15 as permitted in Section 7(a):
 * FOR ANY PART OF THE COVERED WORK IN WHICH THE COPYRIGHT IS OWNED BY 1T3XT,
 * 1T3XT DISCLAIMS THE WARRANTY OF NON INFRINGEMENT OF THIRD PARTY RIGHTS.
 *
 * This program is 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 Affero General Public License for more details.
 * You should have received a copy of the GNU Affero General Public License
 * along with this program; if not, see http://www.gnu.org/licenses or write to
 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
 * Boston, MA, 02110-1301 USA, or download the license from the following URL:
 * http://itextpdf.com/terms-of-use/
 *
 * The interactive user interfaces in modified source and object code versions
 * of this program must display Appropriate Legal Notices, as required under
 * Section 5 of the GNU Affero General Public License.
 *
 * In accordance with Section 7(b) of the GNU Affero General Public License,
 * a covered work must retain the producer line in every PDF that is created
 * or manipulated using iText.
 *
 * You can be released from the requirements of the license by purchasing
 * a commercial license. Buying such a license is mandatory as soon as you
 * develop commercial activities involving the iText software without
 * disclosing the source code of your own applications.
 * These activities include: offering paid services to customers as an ASP,
 * serving PDFs on the fly in a web application, shipping iText with a closed
 * source product.
 *
 * For more information, please contact iText Software Corp. at this
 * address: sales@itextpdf.com
 */
package com.itextpdf.tool.xml.svg;

import java.util.ArrayList;
import java.util.List;

public class PathItem {
	public static final char LINE = 'L';
	public static final char MOVE = 'M';
	public static final char LINE_RELATIVE = 'l';
	public static final char CUBIC_BEZIER = 'C';
	public static final char QUADRATIC_BEZIER = 'Q';
	public static final char ARC = 'A';
	
	public static class Builder{
		private char type;
		private List<Float> coordinates;
		
		public Builder() {
			coordinates =  new ArrayList<Float>();
		}
		
		public void addCoordinate(String number){
			try{
				coordinates.add(Float.parseFloat(number));
			}catch(Exception exp){
				//TODO handle this exception
				coordinates.add(0f);
			}
		}
		
		public void setType(char type){
			this.type = type;
		}
		
		public PathItem build(){
			return new PathItem(coordinates, type);
		}
	}
	
	private char type;
	private List<Float> coordinates;
	
	public PathItem(List<Float> coordinates, char type){
		this.type = type;
		this.coordinates = coordinates;
	}
	
	public boolean isMoveTo(){
		return (type == 'M' || type == 'm');
	}
	
	public boolean isCubicBezier(){
		return (type == 'C' || type == 'c');
	}

	public boolean isCubicBezierShorthand(){
		return (type == 'S' || type == 's');
	}
	
	public boolean isQuadraticBezier(){
		return (type == 'Q' || type == 'q');
	}

	public boolean isQuadraticBezierShorthand(){
		return (type == 'T' || type == 't');
	}
	
	public boolean isArcTo(){
		return (type == 'A' || type == 'a');
	}	
	
	public boolean isLineTo(){
		return (type == 'L' || type == 'l');
	}
	
	public boolean isVerticalLineTo(){
		return (type == 'V' || type == 'v');
	}
	
	public boolean isHorizontalLineTo(){
		return (type == 'H' || type == 'h');
	}	
	
	public boolean isClosePath(){
		return (type == 'z' || type == 'Z');
	}
	
	public boolean isRelative(){
		return (Character.isLowerCase(type));
	}
	
	public char getType(){
		return type;
	}
	
	public List<Float> getCoordinates(){
		return coordinates;
	}
	
	@Override
	public String toString() {
		StringBuffer str = new StringBuffer();
		str.append(type).append(coordinates);
		return str.toString();
	}
}