001: /*
002: * $RCSfile: MlibAndOpImage.java,v $
003: *
004: * Copyright (c) 2005 Sun Microsystems, Inc. All rights reserved.
005: *
006: * Use is subject to license terms.
007: *
008: * $Revision: 1.1 $
009: * $Date: 2005/02/11 04:55:50 $
010: * $State: Exp $
011: */
012: package com.sun.media.jai.mlib;
013:
014: import java.awt.Rectangle;
015: import java.awt.image.DataBuffer;
016: import java.awt.image.PixelInterleavedSampleModel;
017: import java.awt.image.Raster;
018: import java.awt.image.RenderedImage;
019: import java.awt.image.SampleModel;
020: import java.awt.image.WritableRaster;
021: import javax.media.jai.ImageLayout;
022: import javax.media.jai.OpImage;
023: import javax.media.jai.PointOpImage;
024: import java.util.Map;
025: import com.sun.medialib.mlib.*;
026:
027: // import com.sun.media.jai.test.OpImageTester;
028:
029: /**
030: * An OpImage that performs the And operation on 2 images through mediaLib.
031: *
032: */
033: final class MlibAndOpImage extends PointOpImage {
034:
035: /**
036: * Constructs an MlibAndOpImage. The image dimensions are copied
037: * from the source image. The tile grid layout, SampleModel, and
038: * ColorModel may optionally be specified by an ImageLayout object.
039: *
040: * @param source a RenderedImage.
041: * @param layout an ImageLayout optionally containing the tile
042: * grid layout, SampleModel, and ColorModel, or null.
043: */
044: public MlibAndOpImage(RenderedImage source1, RenderedImage source2,
045: Map config, ImageLayout layout) {
046: super (source1, source2, layout, config, true);
047: }
048:
049: /**
050: * And the pixel values of a rectangle from the two sources.
051: * The sources are cobbled.
052: *
053: * @param sources an array of sources, guarantee to provide all
054: * necessary source data for computing the rectangle.
055: * @param dest a tile that contains the rectangle to be computed.
056: * @param destRect the rectangle within this OpImage to be processed.
057: */
058: protected void computeRect(Raster[] sources, WritableRaster dest,
059: Rectangle destRect) {
060:
061: int formatTag = MediaLibAccessor.findCompatibleTag(sources,
062: dest);
063:
064: MediaLibAccessor srcAccessor1 = new MediaLibAccessor(
065: sources[0], destRect, formatTag);
066: MediaLibAccessor srcAccessor2 = new MediaLibAccessor(
067: sources[1], destRect, formatTag);
068: MediaLibAccessor dstAccessor = new MediaLibAccessor(dest,
069: destRect, formatTag);
070:
071: switch (dstAccessor.getDataType()) {
072: case DataBuffer.TYPE_BYTE:
073: case DataBuffer.TYPE_USHORT:
074: case DataBuffer.TYPE_SHORT:
075: case DataBuffer.TYPE_INT:
076: mediaLibImage[] srcML1 = srcAccessor1.getMediaLibImages();
077: mediaLibImage[] srcML2 = srcAccessor2.getMediaLibImages();
078: mediaLibImage[] dstML = dstAccessor.getMediaLibImages();
079: for (int i = 0; i < dstML.length; i++) {
080: Image.And(dstML[i], srcML1[i], srcML2[i]);
081: }
082: break;
083: default:
084: String className = this .getClass().getName();
085: throw new RuntimeException(className
086: + JaiI18N.getString("Generic2"));
087: }
088:
089: if (dstAccessor.isDataCopy()) {
090: dstAccessor.clampDataArrays();
091: dstAccessor.copyDataToRaster();
092: }
093: }
094:
095: // public static void main (String args[]) {
096: // System.out.println("MlibAndOpImage Test");
097: // ImageLayout layout;
098: // OpImage src1, src2, dst;
099: // Rectangle rect = new Rectangle(0, 0, 5, 5);
100:
101: // System.out.println("1. PixelInterleaved byte 3-band");
102: // layout = OpImageTester.createImageLayout(0, 0, 800, 800, 0, 0,
103: // 200, 200, DataBuffer.TYPE_BYTE,
104: // 3, false);
105: // src1 = OpImageTester.createRandomOpImage(layout);
106: // src2 = OpImageTester.createRandomOpImage(layout);
107: // dst = new MlibAndOpImage(src1, src2, null, null);
108: // OpImageTester.testOpImage(dst, rect);
109: // OpImageTester.timeOpImage(dst, 10);
110:
111: // System.out.println("2. Banded byte 3-band");
112: // layout = OpImageTester.createImageLayout(0, 0, 800, 800, 0, 0,
113: // 200, 200, DataBuffer.TYPE_BYTE,
114: // 3, true);
115: // src1 = OpImageTester.createRandomOpImage(layout);
116: // src2 = OpImageTester.createRandomOpImage(layout);
117: // dst = new MlibAndOpImage(src1, src2, null, null);
118: // OpImageTester.testOpImage(dst, rect);
119: // OpImageTester.timeOpImage(dst, 10);
120:
121: // System.out.println("3. PixelInterleaved int 3-band");
122: // layout = OpImageTester.createImageLayout(0, 0, 512, 512, 0, 0, 200, 200,
123: // DataBuffer.TYPE_INT, 3, false);
124: // src1 = OpImageTester.createRandomOpImage(layout);
125: // src2 = OpImageTester.createRandomOpImage(layout);
126: // dst = new MlibAndOpImage(src1, src2, null, null);
127: // OpImageTester.testOpImage(dst, rect);
128: // OpImageTester.timeOpImage(dst, 10);
129:
130: // System.out.println("4. Banded int 3-band");
131: // layout = OpImageTester.createImageLayout(0, 0, 512, 512, 0, 0,
132: // 200, 200, DataBuffer.TYPE_INT,
133: // 3, true);
134: // src1 = OpImageTester.createRandomOpImage(layout);
135: // src2 = OpImageTester.createRandomOpImage(layout);
136: // dst = new MlibAndOpImage(src1, src2, null, null);
137: // OpImageTester.testOpImage(dst, rect);
138: // OpImageTester.timeOpImage(dst, 10);
139: // }
140: }
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