1 /*
   2  * Copyright (c) 2011, 2012, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 
  26 package sun.java2d;
  27 
  28 import java.awt.*;
  29 import java.awt.image.*;
  30 import java.nio.IntBuffer;
  31 import sun.awt.image.SunWritableRaster;
  32 
  33 public class IntegerNIORaster extends SunWritableRaster {
  34 
  35     protected IntBuffer data;
  36 
  37     public static WritableRaster createNIORaster(int w, int h, int bandMasks[], Point location) {
  38         if ((w <= 0) || (h <= 0)) {
  39             throw new IllegalArgumentException("Width (" + w + ") and height (" + h +
  40                                                ") cannot be <= 0");
  41         }
  42         // This is cribbed from java.awt.image.Raster.
  43         DataBuffer db = new DataBufferNIOInt(w * h);
  44         if (location == null) {
  45             location = new Point(0, 0);
  46         }
  47         SinglePixelPackedSampleModel sppsm =  new SinglePixelPackedSampleModel(DataBuffer.TYPE_INT, w, h, w, bandMasks);
  48         return new IntegerNIORaster(sppsm, db, location);
  49     }
  50 
  51     public IntegerNIORaster(SampleModel sampleModel, DataBuffer dataBuffer, Point origin) {
  52         // This is all cribbed from sun.awt.image.IntegerInterleavedRaster & sun.awt.image.IntegerComponentRaster
  53         super(sampleModel, dataBuffer, new Rectangle(origin.x, origin.y, sampleModel.getWidth(), sampleModel.getHeight()), origin, null);
  54         if (!(dataBuffer instanceof DataBufferNIOInt)) {
  55            throw new RasterFormatException("IntegerNIORasters must have DataBufferNIOInt DataBuffers");
  56         }
  57         this.data = ((DataBufferNIOInt)dataBuffer).getBuffer();
  58     }
  59 
  60     public WritableRaster createCompatibleWritableRaster() {
  61         return new IntegerNIORaster(sampleModel, new DataBufferNIOInt(sampleModel.getWidth() * sampleModel.getHeight()), new Point(0,0));
  62     }
  63 
  64     public WritableRaster createCompatibleWritableRaster(int w, int h) {
  65         if (w <= 0 || h <=0) {
  66             throw new RasterFormatException("negative " + ((w <= 0) ? "width" : "height"));
  67         }
  68 
  69         SampleModel sm = sampleModel.createCompatibleSampleModel(w,h);
  70 
  71         return new IntegerNIORaster(sm, new DataBufferNIOInt(w * h), new Point(0,0));
  72     }
  73 
  74     public WritableRaster createCompatibleWritableRaster(Rectangle rect) {
  75         if (rect == null) {
  76             throw new NullPointerException("Rect cannot be null");
  77         }
  78         return createCompatibleWritableRaster(rect.x, rect.y, rect.width, rect.height);
  79     }
  80 
  81     public WritableRaster createCompatibleWritableRaster(int x, int y, int w, int h) {
  82         WritableRaster ret = createCompatibleWritableRaster(w, h);
  83         return ret.createWritableChild(0,0,w,h,x,y,null);
  84     }
  85 
  86 
  87     public IntBuffer getBuffer() {
  88         return data;
  89     }
  90 
  91     public String toString() {
  92         return new String ("IntegerNIORaster: width = "+width
  93                            +" height = " + height
  94                            +" #Bands = " + numBands
  95                            +" xOff = "+sampleModelTranslateX
  96                            +" yOff = "+sampleModelTranslateY);
  97     }
  98 }
--- EOF ---