com.google.gwt.maps.client.HasMapCanvasProjection.java Source code

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Here is the source code for com.google.gwt.maps.client.HasMapCanvasProjection.java

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/* Copyright (c) 2010 Vinay Inc.
 *
 * 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 com.google.gwt.maps.client;

import com.google.gwt.maps.client.base.HasLatLng;
import com.google.gwt.maps.client.base.HasPoint;

/**
 * @author vinay.sekhri@gmail.com (Vinay Sekhri)
 */
public interface HasMapCanvasProjection extends HasJso {

    /**
     * Computes the geographical coordinates from pixel coordinates in the map's container.
     */
    public HasLatLng fromContainerPixelToLatLng(HasPoint pixel);

    /**
     * Computes the geographical coordinates from pixel coordinates in the div
     * that holds the draggable map.
     */
    public HasLatLng fromDivPixelToLatLng(HasPoint pixel);

    /**
     * Computes the pixel coordinates of the given geographical location in the
     * DOM element the map's outer container.
     */
    public HasPoint fromLatLngToContainerPixel(HasLatLng latLng);

    /**
     * Computes the pixel coordinates of the given geographical location in the
     * DOM element that holds the draggable map.
     */
    public HasPoint fromLatLngToDivPixel(HasLatLng latLng);

    /**
     * The width of the world in pixels in the current zoom level.
     */
    public int getWorldWidth();

}