BalloonShape.java

/**
 * eAdventure (formerly <e-Adventure> and <e-Game>) is a research project of the
 *    <e-UCM> research group.
 *
 *    Copyright 2005-2010 <e-UCM> research group.
 *
 *    You can access a list of all the contributors to eAdventure at:
 *          http://e-adventure.e-ucm.es/contributors
 *
 *    <e-UCM> is a research group of the Department of Software Engineering
 *          and Artificial Intelligence at the Complutense University of Madrid
 *          (School of Computer Science).
 *
 *          C Profesor Jose Garcia Santesmases sn,
 *          28040 Madrid (Madrid), Spain.
 *
 *          For more info please visit:  <http://e-adventure.e-ucm.es> or
 *          <http://www.e-ucm.es>
 *
 * ****************************************************************************
 *
 *  This file is part of eAdventure, version 2.0
 *
 *      eAdventure is free software: you can redistribute it and/or modify
 *      it under the terms of the GNU Lesser General Public License as published by
 *      the Free Software Foundation, either version 3 of the License, or
 *      (at your option) any later version.
 *
 *      eAdventure 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 Lesser General Public License for more details.
 *
 *      You should have received a copy of the GNU Lesser General Public License
 *      along with eAdventure.  If not, see <http://www.gnu.org/licenses/>.
 */

package es.eucm.ead.model.assets.drawable.basics.shapes;

import es.eucm.ead.model.interfaces.features.enums.Orientation;
import es.eucm.ead.model.assets.drawable.basics.shapes.extra.BalloonStroke;
import es.eucm.ead.model.assets.drawable.basics.shapes.extra.BalloonType;

public class BalloonShape extends BezierShape {

	private static int CORNER_RADIUS = 10;

	public BalloonShape() {
	}

	public BalloonShape(int left, int top, int right, int bottom,
			BalloonType ballonType) {
		this(left, top, right, bottom, ballonType, false, -1, -1);
	}

	public BalloonShape(int left, int top, int right, int bottom,
			BalloonType ballonType, int xOrigin, int yOrigin) {
		this(left, top, right, bottom, ballonType, true, xOrigin, yOrigin);
	}

	private BalloonShape(int left, int top, int right, int bottom,
			BalloonType ballonType, boolean hasOrigin, int xOrigin, int yOrigin) {

		Orientation originSide = null;
		if (hasOrigin) {
			originSide = getOriginLocation(left, top, right, bottom, xOrigin,
					yOrigin);
		}

		hasOrigin = hasOrigin && originSide != null;

		BalloonStroke stroke = ballonType.getStroke();

		int x1 = 0, x2 = 0, y1 = 0, y2 = 0;
		for (Orientation side : Orientation.values()) {
			switch (side) {
			case N:
				y1 = top;
				y2 = top;
				x1 = left + CORNER_RADIUS;
				x2 = right - CORNER_RADIUS;
				moveTo(x1, y1);
				break;
			case S:
				y1 = bottom;
				y2 = bottom;
				x1 = right - CORNER_RADIUS;
				x2 = left + CORNER_RADIUS;
				break;
			case E:
				y1 = top + CORNER_RADIUS;
				y2 = bottom - CORNER_RADIUS;
				x1 = right;
				x2 = right;
				break;
			case W:
				y1 = bottom - CORNER_RADIUS;
				y2 = top + CORNER_RADIUS;
				x1 = left;
				x2 = left;
				break;
			case NE:
				x1 = right - CORNER_RADIUS;
				y1 = top;
				x2 = right;
				y2 = top + CORNER_RADIUS;
				break;
			case SE:
				x1 = right;
				y1 = bottom - CORNER_RADIUS;
				x2 = right - CORNER_RADIUS;
				y2 = bottom;
				break;
			case SW:
				x1 = left + CORNER_RADIUS;
				y1 = bottom;
				x2 = left;
				y2 = bottom - CORNER_RADIUS;
				break;
			case NW:
				x1 = left;
				y1 = top + CORNER_RADIUS;
				x2 = left + CORNER_RADIUS;
				y2 = top;
				break;
			}

			switch (side) {
			case N:
			case S:
				if (hasOrigin && originSide == side) {
					stroke.addHorizontal(this, x1, x2, y1, xOrigin, yOrigin);
				} else {
					stroke.addHorizontal(this, x1, x2, y1);
				}
				break;
			case E:
			case W:
				if (hasOrigin && originSide == side) {
					stroke.addVertical(this, x1, y1, y2, xOrigin, yOrigin);
				} else {
					stroke.addVertical(this, x1, y1, y2);
				}
				break;
			case NW:
			case SW:
			case NE:
			case SE:
				if (hasOrigin && originSide == side) {
					stroke.addDiagonal(this, x1, x2, y1, y2, xOrigin, yOrigin);
				} else {
					stroke.addDiagonal(this, x1, x2, y1, y2);
				}
				break;

			}
		}
		setClosed(true);
	}

	public static Orientation getOriginLocation(int left, int top, int right,
			int bottom, int xOrigin, int yOrigin) {
		if (xOrigin < left) {
			if (yOrigin < top) {
				return Orientation.NW;
			} else if (yOrigin > bottom) {
				return Orientation.SW;
			} else {
				return Orientation.W;
			}
		} else if (xOrigin > right) {
			if (yOrigin < top) {
				return Orientation.NE;
			} else if (yOrigin > bottom) {
				return Orientation.SE;
			} else {
				return Orientation.E;
			}
		} else if (yOrigin < top) {
			return Orientation.N;
		} else if (yOrigin > bottom) {
			return Orientation.S;
		} else {
			return null;
		}
	}
}