/*
* @(#)QtSubimage.java 1.12 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 java.awt;
import java.awt.image.CropImageFilter;
import java.awt.image.FilteredImageSource;
import java.awt.image.ImageObserver;
/** @version 1.7, 03/13/02 */
/** An offscreen image created by BufferedImage.getSubimage(int width, int height). As it is not
possible to create a graphics from an image produced
through the image producer/consumer model this class exists to allow us to get the graphics
for a subimage image. */
class QtSubimage extends QtImage {
private int originX, originY;
private int subWidth, subHeight;
QtSubimage(QtImage img, int x, int y, int width, int height) {
super(img);
originX = x;
originY = y;
subWidth = width;
subHeight = height;
started = true;
producer = new FilteredImageSource(img.getSource(), new CropImageFilter(x, y, width, height));
}
public Graphics getGraphics() {
return new QtGraphics (this, originX, originY);
}
public int getRGB(int x, int y) {
if(x<0||y<0||x>=subWidth||y>=subHeight)
throw new java.lang.ArrayIndexOutOfBoundsException(x+y*subWidth);
return super.getRGB(x + originX, y + originY);
}
public int[] getRGB(int startX, int startY, int w, int h, int[] rgbArray, int offset, int scansize) {
if(startX<0||startY<0||startX+w>subWidth||startY+h>subHeight)
throw new java.lang.ArrayIndexOutOfBoundsException(startX+startY*subWidth);
return super.getRGB(startX + originX, startY + originY, w, h, rgbArray, offset, scansize);
}
public void setRGB(int x, int y, int rgb) {
if(x<0||y<0||x>=subWidth||y>=subHeight)
throw new java.lang.ArrayIndexOutOfBoundsException(x+y*subWidth);
super.setRGB(x + originX, y + originY, rgb);
}
public void setRGB(int startX, int startY, int w, int h, int[] rgbArray, int offset, int scansize) {
if(startX<0||startY<0||startX+w>subWidth||startY+h>subHeight)
throw new java.lang.ArrayIndexOutOfBoundsException(startX+startY*subWidth);
super.setRGB(startX + originX, startY + originY, w, h, rgbArray, offset, scansize);
}
public int getWidth() {
return subWidth;
}
public int getWidth(ImageObserver observer) {
if (width == -1)
addObserver(observer);
return subWidth;
}
public int getHeight() {
return subHeight;
}
public int getHeight(ImageObserver observer) {
if (height == -1)
addObserver(observer);
return subHeight;
}
void drawImage(int psd, int x, int y, Color bg) {
super.drawImage(psd, x, y, x + subWidth - 1, y + subHeight - 1, originX, originY, originX + subWidth - 1, originY + subHeight - 1, bg);
}
void drawImage(int psd, int dx1, int dy1, int dx2, int dy2, int sx1, int sy1, int sx2, int sy2, Color bg) {
super.drawImage(psd, dx1, dy1, dx2, dy2, sx1 + originX, sy1 + originY, sx2 + originX, sy2 + originY, bg);
}
}