/*
 * MicroEmulator
 * Copyright (C) 2001 Bartek Teodorczyk <barteo@barteo.net>
 *
 *  It is licensed under the following two licenses as alternatives:
 *    1. GNU Lesser General Public License (the "LGPL") version 2.1 or any newer version
 *    2. Apache License (the "AL") Version 2.0
 *
 *  You may not use this file except in compliance with at least one of
 *  the above two licenses.
 *
 *  You may obtain a copy of the LGPL at
 *      http://www.gnu.org/licenses/old-licenses/lgpl-2.1.txt
 *
 *  You may obtain a copy of the AL 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 LGPL or the AL for the specific language governing permissions and
 *  limitations.
 *
 * Contributor(s):
 *   3GLab
 *   Andres Navarro
 */

package javax.microedition.lcdui;

import java.io.IOException;

import org.microemu.device.DeviceFactory;


public class Image {

//    TODO there should be a public constructors
//    private Image() {
//        
//    }

    public static Image createImage(int width, int height) {
        if (width <= 0 || height <= 0) {
            throw new IllegalArgumentException();
        }
        return DeviceFactory.getDevice().getDeviceDisplay().createImage(width, height, false, 0x00FFFFFF);
    }

    public static Image createImage(String name) throws IOException {
        return DeviceFactory.getDevice().getDeviceDisplay().createImage(name);
    }

    public static Image createImage(Image source) {
        return DeviceFactory.getDevice().getDeviceDisplay().createImage(source);
    }

    public static Image createImage(byte[] imageData, int imageOffset, int imageLength) {
        return DeviceFactory.getDevice().getDeviceDisplay().createImage(imageData, imageOffset, imageLength);
    }

    public Image scale(int w, int h) {
        return this;
    }

    public Graphics getGraphics() {
        throw new IllegalStateException("Image is immutable");
    }

    public int getHeight() {
        return 0;
    }

    public int getWidth() {
        return 0;
    }

    public boolean isMutable() {
        return false;
    }

    // Andres Navarro
    // MIDP2 Methods

    public void getRGB(int[] argb, int offset, int scanlenght,
                       int x, int y, int width, int height) {
        // Implemented in Immutable and Mutable image
    }

    public static Image createImage(java.io.InputStream stream) throws IOException {
        return DeviceFactory.getDevice().getDeviceDisplay().createImage(stream);
    }

    public static Image createRGBImage(int[] rgb, int width, int height,
                                       boolean processAlpha) {
        return DeviceFactory.getDevice().getDeviceDisplay().createRGBImage(rgb,
                width, height, processAlpha);
    }
    // Andres Navarro
}