/*
* Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code 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. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code 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 in the LICENSE file that
* accompanied this code).
*
* 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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*/
package sun.java2d;
import java.awt.*;
import java.awt.image.*;
import java.nio.IntBuffer;
import sun.awt.image.SunWritableRaster;
public class IntegerNIORaster extends SunWritableRaster {
protected IntBuffer data;
public static WritableRaster createNIORaster(int w, int h, int bandMasks[], Point location) {
if ((w <= 0) || (h <= 0)) {
throw new IllegalArgumentException("Width (" + w + ") and height (" + h +
") cannot be <= 0");
}
// This is cribbed from java.awt.image.Raster.
DataBuffer db = new DataBufferNIOInt(w * h);
if (location == null) {
location = new Point(0, 0);
}
SinglePixelPackedSampleModel sppsm = new SinglePixelPackedSampleModel(DataBuffer.TYPE_INT, w, h, w, bandMasks);
return new IntegerNIORaster(sppsm, db, location);
}
public IntegerNIORaster(SampleModel sampleModel, DataBuffer dataBuffer, Point origin) {
// This is all cribbed from sun.awt.image.IntegerInterleavedRaster & sun.awt.image.IntegerComponentRaster
super(sampleModel, dataBuffer, new Rectangle(origin.x, origin.y, sampleModel.getWidth(), sampleModel.getHeight()), origin, null);
if (!(dataBuffer instanceof DataBufferNIOInt)) {
throw new RasterFormatException("IntegerNIORasters must have DataBufferNIOInt DataBuffers");
}
this.data = ((DataBufferNIOInt)dataBuffer).getBuffer();
}
public WritableRaster createCompatibleWritableRaster() {
return new IntegerNIORaster(sampleModel, new DataBufferNIOInt(sampleModel.getWidth() * sampleModel.getHeight()), new Point(0,0));
}
public WritableRaster createCompatibleWritableRaster(int w, int h) {
if (w <= 0 || h <=0) {
throw new RasterFormatException("negative " + ((w <= 0) ? "width" : "height"));
}
SampleModel sm = sampleModel.createCompatibleSampleModel(w,h);
return new IntegerNIORaster(sm, new DataBufferNIOInt(w * h), new Point(0,0));
}
public WritableRaster createCompatibleWritableRaster(Rectangle rect) {
if (rect == null) {
throw new NullPointerException("Rect cannot be null");
}
return createCompatibleWritableRaster(rect.x, rect.y, rect.width, rect.height);
}
public WritableRaster createCompatibleWritableRaster(int x, int y, int w, int h) {
WritableRaster ret = createCompatibleWritableRaster(w, h);
return ret.createWritableChild(0,0,w,h,x,y,null);
}
public IntBuffer getBuffer() {
return data;
}
public String toString() {
return new String ("IntegerNIORaster: width = "+width
+" height = " + height
+" #Bands = " + numBands
+" xOff = "+sampleModelTranslateX
+" yOff = "+sampleModelTranslateY);
}
}