/*
*
*
* Copyright 1990-2009 Sun Microsystems, Inc. All Rights Reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License version
* 2 only, as published by the Free Software Foundation.
*
* 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
* General Public License version 2 for more details (a copy is
* included at /legal/license.txt).
*
* You should have received a copy of the GNU General Public License
* version 2 along with this work; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA
*
* Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa
* Clara, CA 95054 or visit www.sun.com if you need additional
* information or have any questions.
*/
package javax.microedition.lcdui;
/**
* Image that is based on platform decoder and storage.
*/
final class ImageData implements AbstractImageData {
/**
* The width, height of this Image
*/
private int width, height;
/**
* If this Image is mutable.
*/
private boolean isMutable; // = false
/**
* Native image data pointer.
*/
private int nativeImageData;
/**
* Constructs <code>ImageData </code> with width and height set to zero.
*/
ImageData() {
width = 0;
height = 0;
}
/**
* Constructs ImageData using passed in width and height.
*
* @param width The width of the <code>ImageData </code> to be created.
* @param height The height of the <code>ImageData </code> to be created.
* @param isMutable true to create mutable <code>ImageData</code>,
* false to create immutable <code>ImageData</code>
*/
ImageData(int width, int height, boolean isMutable) {
this.width = width;
this.height = height;
this.isMutable = isMutable;
}
/**
* Gets the width of the image in pixels. The value returned
* must reflect the actual width of the image when rendered.
* @return width of the image
*/
public int getWidth() {
return width;
}
/**
* Gets the height of the image in pixels. The value returned
* must reflect the actual height of the image when rendered.
* @return height of the image
*/
public int getHeight() {
return height;
}
/**
* Check if this image is mutable. Mutable images can be modified by
* rendering to them through a <code>Graphics</code> object
* obtained from the
* <code>getGraphics()</code> method of this object.
* @return <code>true</code> if the image is mutable,
* <code>false</code> otherwise
*/
public boolean isMutable() {
return isMutable;
}
/**
* Implements <code>AbstractImageData.getRGB() </code>.
* See javadoc comments there.
*
* @param rgbData an array of integers in which the ARGB pixel data is
* stored
* @param offset the index into the array where the first ARGB value
* is stored
* @param scanlength the relative offset in the array between
* corresponding pixels in consecutive rows of the region
* @param x the x-coordinate of the upper left corner of the region
* @param y the y-coordinate of the upper left corner of the region
* @param width the width of the region
* @param height the height of the region
*/
public native void getRGB(int[] rgbData, int offset, int scanlength,
int x, int y, int width, int height);
/**
* Cleanup any native resources used by an ImmutableImage
*/
private native void finalize();
}