/*
* @(#)PPCSubImage.java 1.6 06/10/10
*
* Copyright 1990-2008 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 sun.awt.pocketpc;
import sun.awt.image.BufferedImagePeer;
import java.awt.Color;
import java.awt.Image;
import java.awt.Graphics;
import java.awt.image.ColorModel;
import java.awt.image.ImageObserver;
import java.awt.image.ImageProducer;
import java.awt.image.FilteredImageSource;
import java.awt.image.CropImageFilter;
import java.awt.image.BufferedImage;
import java.awt.image.RasterFormatException;
/** An image which represents an area of another image. It shares the same
pixel storage as the source. */
class PPCSubImage extends Image implements BufferedImagePeer, PPCDrawableImage {
/** The source image for which this is a sub image of. */
private PPCImage sourceImage;
/** The area of the source image this is a sub image of. */
private int x, y, width, height;
/** The image producer. This is just a CropImageFilter on the origional
image. */
private ImageProducer producer;
PPCSubImage (PPCImage sourceImage, int x, int y, int width,
int height) {
this.sourceImage = sourceImage;
this.x = x;
this.y = y;
this.width = width;
this.height = height;
}
public int getWidth(ImageObserver observer) {
return width;
}
public int getWidth() {
return width;
}
public int getHeight(ImageObserver observer) {
return height;
}
public int getHeight() {
return height;
}
public synchronized ImageProducer getSource() {
if (producer == null)
producer = new FilteredImageSource (sourceImage.getSource(), new CropImageFilter(x, y, width, height));
return producer;
}
public Graphics getGraphics() {
Graphics g = sourceImage.getGraphics();
g.translate(x, y);
g.clipRect(0, 0, width, height);
return g;
}
public Object getProperty(String name, ImageObserver observer) {
return sourceImage.getProperty(name, observer);
}
public boolean isComplete() {
return sourceImage.isComplete();
}
public void flush() {}
// BufferedImagePeer implementation
public int getType() {
return sourceImage.getType();
}
public ColorModel getColorModel() {
return sourceImage.getColorModel();
}
public int getRGB(int x, int y) {
return sourceImage.getRGB(x + this.x, y + this.y);
}
public int[] getRGB(int startX, int startY, int w, int h,
int[] rgbArray, int offset, int scansize) {
return sourceImage.getRGB(startX + this.x, startY + this.y, w, h, rgbArray, offset, scansize);
}
public void setRGB(int x, int y, int rgb) {
sourceImage.setRGB(x + this.x, y + this.y, rgb);
}
public void setRGB(int startX, int startY, int w, int h,
int[] rgbArray, int offset, int scansize) {
sourceImage.setRGB(startX + this.x, startY + this.y, w, h, rgbArray, offset, scansize);
}
public Object getProperty(String name) {
return sourceImage.getProperty(name);
}
public BufferedImage getSubimage(int x, int y, int w, int h) {
if ((x + w < this.x) || (x + w > this.x + this.width)) {
throw new RasterFormatException("(x + width) is outside raster");
}
if ((y + h < this.y) || (y + h > this.y + this.height)) {
throw new RasterFormatException("(y + height) is outside raster");
}
return PPCToolkit.createBufferedImage(new PPCSubImage (sourceImage, x + this.x, y + this.y, width, height));
}
public String[] getPropertyNames() {
return sourceImage.getPropertyNames();
}
public boolean draw(PPCGraphics g, int x, int y, ImageObserver observer) {
return sourceImage.draw(g, x, y, x + width, y + height, this.x, this.y, this.x + width, this.y + height, observer);
}
public boolean draw(PPCGraphics g, int x, int y, int width, int height,
ImageObserver observer) {
return sourceImage.draw(g, x, y, x + width, y + height, this.x, this.y, this.x + this.width, this.y + this.height, observer);
}
public boolean draw(PPCGraphics g, int x, int y, Color bg,
ImageObserver observer) {
return sourceImage.draw(g, x, y, x + width, y + height, this.x, this.y, this.x + width, this.y + height, bg, observer);
}
public boolean draw(PPCGraphics g, int x, int y, int width, int height,
Color bg, ImageObserver observer) {
return sourceImage.draw(g, x, y, x + width, y + height, this.x, this.y, this.x + this.width, this.y + this.height, bg, observer);
}
public boolean draw(PPCGraphics g, int dx1, int dy1, int dx2, int dy2,
int sx1, int sy1, int sx2, int sy2,
ImageObserver observer) {
return sourceImage.draw(g, dx1, dy1, dx2, dy2, sx1 + this.x, sy1 + this.y, sx2 + this.x, sy2 + this.y, observer);
}
public boolean draw(PPCGraphics g, int dx1, int dy1, int dx2, int dy2,
int sx1, int sy1, int sx2, int sy2,
Color bgcolor, ImageObserver observer) {
return sourceImage.draw(g, dx1, dy1, dx2, dy2, sx1 + this.x, sy1 + this.y, sx2 + this.x, sy2 + this.y, bgcolor, observer);
}
}