1/*
2 * Copyright (c) 2011, 2016, 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
26package sun.java2d;
27
28import java.awt.*;
29import java.awt.image.*;
30import java.nio.IntBuffer;
31import sun.awt.image.SunWritableRaster;
32
33public 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        DataBufferNIOInt 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, DataBufferNIOInt 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
55        this.data = dataBuffer.getBuffer();
56    }
57
58    public WritableRaster createCompatibleWritableRaster() {
59        return new IntegerNIORaster(sampleModel, new DataBufferNIOInt(sampleModel.getWidth() * sampleModel.getHeight()), new Point(0,0));
60    }
61
62    public WritableRaster createCompatibleWritableRaster(int w, int h) {
63        if (w <= 0 || h <=0) {
64            throw new RasterFormatException("negative " + ((w <= 0) ? "width" : "height"));
65        }
66
67        SampleModel sm = sampleModel.createCompatibleSampleModel(w,h);
68
69        return new IntegerNIORaster(sm, new DataBufferNIOInt(w * h), new Point(0,0));
70    }
71
72    public WritableRaster createCompatibleWritableRaster(Rectangle rect) {
73        if (rect == null) {
74            throw new NullPointerException("Rect cannot be null");
75        }
76        return createCompatibleWritableRaster(rect.x, rect.y, rect.width, rect.height);
77    }
78
79    public WritableRaster createCompatibleWritableRaster(int x, int y, int w, int h) {
80        WritableRaster ret = createCompatibleWritableRaster(w, h);
81        return ret.createWritableChild(0,0,w,h,x,y,null);
82    }
83
84
85    public IntBuffer getBuffer() {
86        return data;
87    }
88
89    public String toString() {
90        return new String ("IntegerNIORaster: width = "+width
91                           +" height = " + height
92                           +" #Bands = " + numBands
93                           +" xOff = "+sampleModelTranslateX
94                           +" yOff = "+sampleModelTranslateY);
95    }
96}
97