/*
* Copyright 2009 Hao Nguyen
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may not
* use this file except in compliance with the License. You may obtain a copy of
* the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations under
* the License.
*/
package gwt.g2d.client.graphics.visitor;
import com.google.gwt.canvas.dom.client.Context2d;
import gwt.g2d.client.graphics.Surface;
import gwt.g2d.shared.math.Rectangle;
import gwt.g2d.shared.math.Vector2;
/**
* Adds a new Rectangle to the subpath.
* The new position will be set to the top left corner of the rectangle.
*
* @author hao1300@gmail.com
*/
public class RectangleVisitor implements ShapeVisitor {
private final double x, y, width, height;
public RectangleVisitor(Rectangle rectangle) {
this(rectangle.getX(), rectangle.getY(), rectangle.getWidth(),
rectangle.getHeight());
}
public RectangleVisitor(Vector2 position, double width, double height) {
this(position.getX(), position.getY(), width, height);
}
/**
* Draws a rectangle to the subpath.
*
* @param x left of the rectangle
* @param y top of the rectangle
* @param width
* @param height
*/
public RectangleVisitor(double x, double y, double width, double height) {
this.x = x;
this.y = y;
this.width = width;
this.height = height;
}
@Override
public void visit(Surface surface) {
Context2d context = surface.getContext();
context.moveTo(x, y);
context.lineTo(x + width, y);
context.lineTo(x + width, y + height);
context.lineTo(x, y + height);
context.lineTo(x, y);
}
}