Java Code Examples for java.awt.image.DataBuffer

The following examples show how to use java.awt.image.DataBuffer. These examples are extracted from open source projects. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may want to check out the right sidebar which shows the related API usage.
Example 1
Source Project: jdk8u60   Source File: ImageTypeSpecifier.java    License: GNU General Public License v2.0 6 votes vote down vote up
static ColorModel createComponentCM(ColorSpace colorSpace,
                                    int numBands,
                                    int dataType,
                                    boolean hasAlpha,
                                    boolean isAlphaPremultiplied) {
    int transparency =
        hasAlpha ? Transparency.TRANSLUCENT : Transparency.OPAQUE;

    int[] numBits = new int[numBands];
    int bits = DataBuffer.getDataTypeSize(dataType);

    for (int i = 0; i < numBands; i++) {
        numBits[i] = bits;
    }

    return new ComponentColorModel(colorSpace,
                                   numBits,
                                   hasAlpha,
                                   isAlphaPremultiplied,
                                   transparency,
                                   dataType);
}
 
Example 2
Source Project: jdk8u-jdk   Source File: ImageUtil.java    License: GNU General Public License v2.0 6 votes vote down vote up
public static long getBandSize(SampleModel sm) {
    int elementSize = DataBuffer.getDataTypeSize(sm.getDataType());

    if (sm instanceof ComponentSampleModel) {
        ComponentSampleModel csm = (ComponentSampleModel)sm;
        int pixelStride = csm.getPixelStride();
        int scanlineStride = csm.getScanlineStride();
        long size = Math.min(pixelStride, scanlineStride);

        if (pixelStride > 0)
            size += pixelStride * (sm.getWidth() - 1);
        if (scanlineStride > 0)
            size += scanlineStride * (sm.getHeight() - 1);
        return size * ((elementSize + 7) / 8);
    } else
        return getTileSize(sm);
}
 
Example 3
Source Project: Bytecoder   Source File: JPEGImageReader.java    License: Apache License 2.0 6 votes vote down vote up
protected ImageTypeSpecifier produce() {
    switch (csCode) {
        case JPEG.JCS_GRAYSCALE:
            return ImageTypeSpecifier.createFromBufferedImageType
                    (BufferedImage.TYPE_BYTE_GRAY);
        case JPEG.JCS_YCbCr:
        //there is no YCbCr raw type so by default we assume it as RGB
        case JPEG.JCS_RGB:
            return ImageTypeSpecifier.createInterleaved(JPEG.JCS.sRGB,
                    JPEG.bOffsRGB,
                    DataBuffer.TYPE_BYTE,
                    false,
                    false);
        default:
            return null;
    }
}
 
Example 4
Source Project: jdk8u-jdk   Source File: WGLGraphicsConfig.java    License: GNU General Public License v2.0 6 votes vote down vote up
@Override
public ColorModel getColorModel(int transparency) {
    switch (transparency) {
    case Transparency.OPAQUE:
        // REMIND: once the ColorModel spec is changed, this should be
        //         an opaque premultiplied DCM...
        return new DirectColorModel(24, 0xff0000, 0xff00, 0xff);
    case Transparency.BITMASK:
        return new DirectColorModel(25, 0xff0000, 0xff00, 0xff, 0x1000000);
    case Transparency.TRANSLUCENT:
        ColorSpace cs = ColorSpace.getInstance(ColorSpace.CS_sRGB);
        return new DirectColorModel(cs, 32,
                                    0xff0000, 0xff00, 0xff, 0xff000000,
                                    true, DataBuffer.TYPE_INT);
    default:
        return null;
    }
}
 
Example 5
Source Project: jdk8u_jdk   Source File: GLXGraphicsConfig.java    License: GNU General Public License v2.0 6 votes vote down vote up
@Override
public ColorModel getColorModel(int transparency) {
    switch (transparency) {
    case Transparency.OPAQUE:
        // REMIND: once the ColorModel spec is changed, this should be
        //         an opaque premultiplied DCM...
        return new DirectColorModel(24, 0xff0000, 0xff00, 0xff);
    case Transparency.BITMASK:
        return new DirectColorModel(25, 0xff0000, 0xff00, 0xff, 0x1000000);
    case Transparency.TRANSLUCENT:
        ColorSpace cs = ColorSpace.getInstance(ColorSpace.CS_sRGB);
        return new DirectColorModel(cs, 32,
                                    0xff0000, 0xff00, 0xff, 0xff000000,
                                    true, DataBuffer.TYPE_INT);
    default:
        return null;
    }
}
 
Example 6
Source Project: jdk8u_jdk   Source File: SimpleManagedImage.java    License: GNU General Public License v2.0 6 votes vote down vote up
/**
 * Returns the custom buffered image, which mostly identical to
 * BufferedImage.(w,h,TYPE_3BYTE_BGR), but uses the bigger scanlineStride.
 * This means that the raster will have gaps, between the rows.
 */
private static BufferedImage makeCustomManagedBI() {
    int w = 511, h = 255;
    ColorSpace cs = ColorSpace.getInstance(ColorSpace.CS_sRGB);
    int[] nBits = {8, 8, 8};
    int[] bOffs = {2, 1, 0};
    ColorModel colorModel = new ComponentColorModel(cs, nBits, false, false,
                                                    Transparency.OPAQUE,
                                                    DataBuffer.TYPE_BYTE);
    WritableRaster raster =
            Raster.createInterleavedRaster(DataBuffer.TYPE_BYTE, w, h,
                                           w * 3 + 2, 3, bOffs, null);
    BufferedImage bi = new BufferedImage(colorModel, raster, true, null);
    SunWritableRaster.makeTrackable(raster.getDataBuffer());
    SunWritableRaster.markDirty(bi);
    return bi;
}
 
Example 7
Source Project: jdk8u-dev-jdk   Source File: ImageTests.java    License: GNU General Public License v2.0 6 votes vote down vote up
public Image makeImage(TestEnvironment env, int w, int h) {
    BufferedImage img = new BufferedImage(w, h, type);
    if (unmanaged) {
        DataBuffer db = img.getRaster().getDataBuffer();
        if (db instanceof DataBufferInt) {
            ((DataBufferInt)db).getData();
        } else if (db instanceof DataBufferShort) {
            ((DataBufferShort)db).getData();
        } else if (db instanceof DataBufferByte) {
            ((DataBufferByte)db).getData();
        } else {
            try {
                img.setAccelerationPriority(0.0f);
            } catch (Throwable e) {}
        }
    }
    return img;
}
 
Example 8
private static BufferedImage makeUnmanagedBI() {
    final BufferedImage bi = new BufferedImage(500, 200, TYPE_INT_ARGB);
    final DataBuffer db = bi.getRaster().getDataBuffer();
    if (db instanceof DataBufferInt) {
        ((DataBufferInt) db).getData();
    } else if (db instanceof DataBufferShort) {
        ((DataBufferShort) db).getData();
    } else if (db instanceof DataBufferByte) {
        ((DataBufferByte) db).getData();
    } else {
        try {
            bi.setAccelerationPriority(0.0f);
        } catch (final Throwable ignored) {
        }
    }
    return bi;
}
 
Example 9
public static int getElementSize(SampleModel sm) {
    int elementSize = DataBuffer.getDataTypeSize(sm.getDataType());

    if (sm instanceof MultiPixelPackedSampleModel) {
        MultiPixelPackedSampleModel mppsm =
            (MultiPixelPackedSampleModel)sm;
        return mppsm.getSampleSize(0) * mppsm.getNumBands();
    } else if (sm instanceof ComponentSampleModel) {
        return sm.getNumBands() * elementSize;
    } else if (sm instanceof SinglePixelPackedSampleModel) {
        return elementSize;
    }

    return elementSize * sm.getNumBands();

}
 
Example 10
private static BufferedImage makeUnmanagedBI(GraphicsConfiguration gc,
                                             int type) {
    BufferedImage img = gc.createCompatibleImage(SIZE, SIZE, type);
    Graphics2D g2d = img.createGraphics();
    g2d.setColor(RGB);
    g2d.fillRect(0, 0, SIZE, SIZE);
    g2d.dispose();
    final DataBuffer db = img.getRaster().getDataBuffer();
    if (db instanceof DataBufferInt) {
        ((DataBufferInt) db).getData();
    } else if (db instanceof DataBufferShort) {
        ((DataBufferShort) db).getData();
    } else if (db instanceof DataBufferByte) {
        ((DataBufferByte) db).getData();
    } else {
        try {
            img.setAccelerationPriority(0.0f);
        } catch (final Throwable ignored) {
        }
    }
    return img;
}
 
Example 11
Source Project: jdk8u-jdk   Source File: ImageUtil.java    License: GNU General Public License v2.0 6 votes vote down vote up
public static long getBandSize(SampleModel sm) {
    int elementSize = DataBuffer.getDataTypeSize(sm.getDataType());

    if (sm instanceof ComponentSampleModel) {
        ComponentSampleModel csm = (ComponentSampleModel)sm;
        int pixelStride = csm.getPixelStride();
        int scanlineStride = csm.getScanlineStride();
        long size = Math.min(pixelStride, scanlineStride);

        if (pixelStride > 0)
            size += pixelStride * (sm.getWidth() - 1);
        if (scanlineStride > 0)
            size += scanlineStride * (sm.getHeight() - 1);
        return size * ((elementSize + 7) / 8);
    } else
        return getTileSize(sm);
}
 
Example 12
@Override
public ColorModel getColorModel(int transparency) {
    switch (transparency) {
    case Transparency.OPAQUE:
        // REMIND: once the ColorModel spec is changed, this should be
        //         an opaque premultiplied DCM...
        return new DirectColorModel(24, 0xff0000, 0xff00, 0xff);
    case Transparency.BITMASK:
        return new DirectColorModel(25, 0xff0000, 0xff00, 0xff, 0x1000000);
    case Transparency.TRANSLUCENT:
        ColorSpace cs = ColorSpace.getInstance(ColorSpace.CS_sRGB);
        return new DirectColorModel(cs, 32,
                                    0xff0000, 0xff00, 0xff, 0xff000000,
                                    true, DataBuffer.TYPE_INT);
    default:
        return null;
    }
}
 
Example 13
Source Project: jdk8u-jdk   Source File: ImageUtil.java    License: GNU General Public License v2.0 6 votes vote down vote up
public static int getElementSize(SampleModel sm) {
    int elementSize = DataBuffer.getDataTypeSize(sm.getDataType());

    if (sm instanceof MultiPixelPackedSampleModel) {
        MultiPixelPackedSampleModel mppsm =
            (MultiPixelPackedSampleModel)sm;
        return mppsm.getSampleSize(0) * mppsm.getNumBands();
    } else if (sm instanceof ComponentSampleModel) {
        return sm.getNumBands() * elementSize;
    } else if (sm instanceof SinglePixelPackedSampleModel) {
        return elementSize;
    }

    return elementSize * sm.getNumBands();

}
 
Example 14
/**
 * Returns true if the data read was originally signed in the specified
 * component, false if not. This method always returns false since PPM
 * data is always unsigned.
 *
 * @param c The index of the component, from 0 to N-1.
 *
 * @return always false, since PPM data is always unsigned.
 * */
public boolean isOrigSigned(int c) {
    if (isBinary) return true;

    // Check component index
    SampleModel sm = null;
    if (inputIsRaster)
        sm = raster.getSampleModel();
    else
        sm = src.getSampleModel();

    if (sm.getDataType() == DataBuffer.TYPE_USHORT ||
        sm.getDataType() == DataBuffer.TYPE_BYTE)
        return false;
    return true;
}
 
Example 15
Source Project: TencentKona-8   Source File: ColCvtAlpha.java    License: GNU General Public License v2.0 5 votes vote down vote up
public static void main(String args[]) {
    BufferedImage src
        = new BufferedImage(1, 10, BufferedImage.TYPE_INT_ARGB);

    // Set src pixel values
    Color pelColor = new Color(100, 100, 100, 128);
    for (int i = 0; i < 10; i++) {
        src.setRGB(0, i, pelColor.getRGB());
    }

    ColorModel cm = new ComponentColorModel
        (ColorSpace.getInstance(ColorSpace.CS_GRAY),
         new int [] {8,8}, true,
         src.getColorModel().isAlphaPremultiplied(),
         Transparency.TRANSLUCENT,
         DataBuffer.TYPE_BYTE);

    SampleModel sm = new PixelInterleavedSampleModel
        (DataBuffer.TYPE_BYTE, 100, 100, 2, 200,
         new int [] { 0, 1 });

    WritableRaster wr = Raster.createWritableRaster(sm, new Point(0,0));

    BufferedImage dst =
        new BufferedImage(cm, wr, cm.isAlphaPremultiplied(), null);
    dst = dst.getSubimage(0, 0, 1, 10);

    ColorConvertOp op = new ColorConvertOp(null);

    op.filter(src, dst);

    for (int i = 0; i < 10; i++) {
        if (((dst.getRGB(0, i) >> 24) & 0xff) != 128) {
            throw new RuntimeException(
                "Incorrect destination alpha value.");
        }
    }

}
 
Example 16
Source Project: pdfxtk   Source File: PowerOpImage.java    License: Apache License 2.0 5 votes vote down vote up
/** Compute the output image */

  public void computeImage(Raster[] sources,
			   WritableRaster dest,
			   Rectangle destRect) 
  {
    RasterFormatTag[] formatTags = getFormatTags();

    Rectangle srcRect = mapDestRect(destRect, 0);

    RasterAccessor srcAccessor = 
      new RasterAccessor(sources[0], srcRect, formatTags[0],
			 getSourceImage(0).getColorModel());
    RasterAccessor dstAccessor = 
      new RasterAccessor(dest, destRect, formatTags[1],
			 getColorModel());

    switch (srcAccessor.getDataType()) {
    case DataBuffer.TYPE_BYTE:
      byteLoop(srcAccessor,dstAccessor);
      break;
    default:
      throw new RuntimeException(getClass().getName() + 
				 " does not implement computeRect" + 
				 " for short/int/float/double data");
    }

    if (dstAccessor.isDataCopy()) {
      dstAccessor.clampDataArrays();
      dstAccessor.copyDataToRaster();
    }
  }
 
Example 17
/**
 * Constructs a IntegerInterleavedRaster with the given SampleModel,
 * DataBuffer, and parent.  DataBuffer must be a DataBufferInt and
 * SampleModel must be of type SinglePixelPackedSampleModel.
 * When translated into the base Raster's
 * coordinate system, aRegion must be contained by the base Raster.
 * Origin is the coodinate in the new Raster's coordinate system of
 * the origin of the base Raster.  (The base Raster is the Raster's
 * ancestor which has no parent.)
 *
 * Note that this constructor should generally be called by other
 * constructors or create methods, it should not be used directly.
 * @param sampleModel     The SampleModel that specifies the layout.
 * @param dataBuffer      The DataBufferInt that contains the image data.
 * @param aRegion         The Rectangle that specifies the image area.
 * @param origin          The Point that specifies the origin.
 * @param parent          The parent (if any) of this raster.
 */
public IntegerInterleavedRaster(SampleModel sampleModel,
                                 DataBuffer dataBuffer,
                                 Rectangle aRegion,
                                 Point origin,
                                 IntegerInterleavedRaster parent){
    super(sampleModel,dataBuffer,aRegion,origin,parent);
    this.maxX = minX + width;
    this.maxY = minY + height;
    if (!(dataBuffer instanceof DataBufferInt)) {
       throw new RasterFormatException("IntegerInterleavedRasters must have" +
            "integer DataBuffers");
    }
    DataBufferInt dbi = (DataBufferInt)dataBuffer;
    this.data = stealData(dbi, 0);

    if (sampleModel instanceof SinglePixelPackedSampleModel) {
        SinglePixelPackedSampleModel sppsm =
                (SinglePixelPackedSampleModel)sampleModel;
        this.scanlineStride = sppsm.getScanlineStride();
        this.pixelStride    = 1;
        this.dataOffsets = new int[1];
        this.dataOffsets[0] = dbi.getOffset();
        this.bandOffset = this.dataOffsets[0];
        int xOffset = aRegion.x - origin.x;
        int yOffset = aRegion.y - origin.y;
        dataOffsets[0] += xOffset+yOffset*scanlineStride;
        this.numDataElems = sppsm.getNumDataElements();
    } else {
        throw new RasterFormatException("IntegerInterleavedRasters must have"+
                                        " SinglePixelPackedSampleModel");
    }
    verify();
}
 
Example 18
Source Project: mrgeo   Source File: MrGeoRasterTest.java    License: Apache License 2.0 5 votes vote down vote up
@Test
@Category(UnitTest.class)
public void toRasterShort() throws IOException
{
  MrGeoRaster numberedShort = TestUtils.createNumberedRaster(width, height, DataBuffer.TYPE_SHORT);
  Raster raster = numberedShort.toRaster();

  compareRaster(numberedShort, raster);

}
 
Example 19
/**
 * Constructs a ShortComponentRaster with the given SampleModel
 * and DataBuffer.  The Raster's upper left corner is origin and
 * it is the same sizes the SampleModel.  The DataBuffer is not
 * initialized and must be a DataBufferUShort compatible with SampleModel.
 * SampleModel must be of type ComponentSampleModel or
 * SinglePixelPackedSampleModel.
 * @param sampleModel     The SampleModel that specifies the layout.
 * @param dataBuffer      The DataBufferUShort that contains the image data.
 * @param origin          The Point that specifies the origin.
 */
public ShortComponentRaster(SampleModel sampleModel,
                               DataBuffer dataBuffer,
                               Point origin) {
    this(sampleModel,
         dataBuffer,
         new Rectangle(origin.x,
                       origin.y,
                       sampleModel.getWidth(),
                       sampleModel.getHeight()),
         origin,
         null);
}
 
Example 20
Source Project: mrgeo   Source File: MrGeoRasterTest.java    License: Apache License 2.0 5 votes vote down vote up
private void compareRaster(MrGeoRaster mrgeoraster, Raster raster)
{
  boolean intish = mrgeoraster.datatype() == DataBuffer.TYPE_BYTE || mrgeoraster.datatype() == DataBuffer.TYPE_INT
      || mrgeoraster.datatype() == DataBuffer.TYPE_SHORT || mrgeoraster.datatype() == DataBuffer.TYPE_USHORT;

  for (int b = 0; b < mrgeoraster.bands(); b++)
  {
    for (int y = 0; y < mrgeoraster.height(); y++)
    {
      for (int x = 0; x < mrgeoraster.width(); x++)
      {
        float v1 = mrgeoraster.getPixelFloat(x, y, b);
        float v2 = raster.getSampleFloat(x, y, b);

        if (Float.isNaN(v1) != Float.isNaN(v2))
        {
          org.junit.Assert.assertEquals("Pixel NaN mismatch: px: " + x + " py: " + y
              + " b: " + b + " v1: " + v1 + " v2: " + v2, v1, v2, 0);
        }

        // make delta something reasonable relative to the data

        //NOTE: this formula is not very reliable.  An error of 2e-3f for pixel v1=1 fails, but passes for v1=2.
        float delta = intish ? 1.0001f : Math.max(Math.abs(v1 * 1e-3f), 1e-3f);
        org.junit.Assert.assertEquals("Pixel value mismatch: px: " + x + " py: " + y
            + " b: " + b + " v1: " + v1 + " v2: " + v2, v1, v2, delta);

      }
    }
  }
}
 
Example 21
private static void doTest(int dataType) {
    int maxSize = DataBuffer.getDataTypeSize(dataType);
    System.out.println("Type size: " + maxSize);

    int theMask = (int)(1L << (maxSize + 2)) - 1;
    System.out.printf("theMask=%x\n", theMask);

    SinglePixelPackedSampleModel sm =
        new SinglePixelPackedSampleModel(dataType, w, h,
                                         new int[] { theMask });


    int[] sampleSize = sm.getSampleSize();
    for (int s : sampleSize) {
        if (s > maxSize) {
            throw new RuntimeException("Test failed: sample size is too big:" + s);
        }
    }

    System.out.println("Test medialib...");
    DataBuffer buf = createDataBuffer(dataType);

    WritableRaster wr = Raster.createWritableRaster(sm, buf, null);

    op.filter(wr, null);
    System.out.println("Test PASSED.");
}
 
Example 22
Source Project: jdk8u_jdk   Source File: ImageFactory.java    License: GNU General Public License v2.0 5 votes vote down vote up
public static void fillDCM(DataBuffer data, SampleModel sm, int csType,
                           int c1Bits, int c2Bits, int c3Bits)
{
    int [] pixel;
    pixel = new int[4];
    for (int i = 0; i < WIDTH; i++) {
        for (int j = 0; j < HEIGHT; j++) {
            pixel[0] = i >> (8 - c1Bits);
            pixel[1] = j >> (8 - c2Bits);
            pixel[2] = ((i + j)>>1) >> (8 - c3Bits);
            pixel[3] = 0xFF;
            sm.setPixel(i, j, pixel, data);
        }
    }
}
 
Example 23
/**
 * Constructs a IntegerInterleavedRaster with the given SampleModel,
 * DataBuffer, and parent.  DataBuffer must be a DataBufferInt and
 * SampleModel must be of type SinglePixelPackedSampleModel.
 * When translated into the base Raster's
 * coordinate system, aRegion must be contained by the base Raster.
 * Origin is the coodinate in the new Raster's coordinate system of
 * the origin of the base Raster.  (The base Raster is the Raster's
 * ancestor which has no parent.)
 *
 * Note that this constructor should generally be called by other
 * constructors or create methods, it should not be used directly.
 * @param sampleModel     The SampleModel that specifies the layout.
 * @param dataBuffer      The DataBufferInt that contains the image data.
 * @param aRegion         The Rectangle that specifies the image area.
 * @param origin          The Point that specifies the origin.
 * @param parent          The parent (if any) of this raster.
 */
public IntegerInterleavedRaster(SampleModel sampleModel,
                                 DataBuffer dataBuffer,
                                 Rectangle aRegion,
                                 Point origin,
                                 IntegerInterleavedRaster parent){
    super(sampleModel,dataBuffer,aRegion,origin,parent);
    this.maxX = minX + width;
    this.maxY = minY + height;
    if (!(dataBuffer instanceof DataBufferInt)) {
       throw new RasterFormatException("IntegerInterleavedRasters must have" +
            "integer DataBuffers");
    }
    DataBufferInt dbi = (DataBufferInt)dataBuffer;
    this.data = stealData(dbi, 0);

    if (sampleModel instanceof SinglePixelPackedSampleModel) {
        SinglePixelPackedSampleModel sppsm =
                (SinglePixelPackedSampleModel)sampleModel;
        this.scanlineStride = sppsm.getScanlineStride();
        this.pixelStride    = 1;
        this.dataOffsets = new int[1];
        this.dataOffsets[0] = dbi.getOffset();
        this.bandOffset = this.dataOffsets[0];
        int xOffset = aRegion.x - origin.x;
        int yOffset = aRegion.y - origin.y;
        dataOffsets[0] += xOffset+yOffset*scanlineStride;
        this.numDataElems = sppsm.getNumDataElements();
    } else {
        throw new RasterFormatException("IntegerInterleavedRasters must have"+
                                        " SinglePixelPackedSampleModel");
    }
    verify();
}
 
Example 24
private static void doTest(int dataType) {
    int maxSize = DataBuffer.getDataTypeSize(dataType);
    System.out.println("Type size: " + maxSize);

    int theMask = (int)(1L << (maxSize + 2)) - 1;
    System.out.printf("theMask=%x\n", theMask);

    SinglePixelPackedSampleModel sm =
        new SinglePixelPackedSampleModel(dataType, w, h,
                                         new int[] { theMask });


    int[] sampleSize = sm.getSampleSize();
    for (int s : sampleSize) {
        if (s > maxSize) {
            throw new RuntimeException("Test failed: sample size is too big:" + s);
        }
    }

    System.out.println("Test medialib...");
    DataBuffer buf = createDataBuffer(dataType);

    WritableRaster wr = Raster.createWritableRaster(sm, buf, null);

    op.filter(wr, null);
    System.out.println("Test PASSED.");
}
 
Example 25
Source Project: openjdk-jdk9   Source File: IndexingTest.java    License: GNU General Public License v2.0 5 votes vote down vote up
protected static ComponentColorModel createBitmaskColorModel() {
    ComponentColorModel cm =
        new ComponentColorModel(ColorSpace.getInstance(ColorSpace.CS_sRGB),
                                true, false, Transparency.BITMASK,
                                DataBuffer.TYPE_BYTE);
    return cm;
}
 
Example 26
Source Project: netbeans   Source File: ImageBuilder.java    License: Apache License 2.0 5 votes vote down vote up
@Override
public DataBuffer convert(FieldAccessor fa, Instance instance) throws FieldAccessor.InvalidFieldException {
    int size = fa.getInt(instance, "size");                        // NOI18N
    int[] offsets = fa.getIntArray(instance, "offsets", false);      // NOI18N
    byte[][] bankdata = fa.getByteArray2(instance, "bankdata", false); // NOI18N
    return new DataBufferByte(bankdata, size, offsets);
}
 
Example 27
/**
 * Constructs a IntegerInterleavedRaster with the given SampleModel
 * and DataBuffer.  The Raster's upper left corner is origin and
 * it is the same sizes the SampleModel.  The DataBuffer is not
 * initialized and must be a DataBufferInt compatible with SampleModel.
 * SampleModel must be of type SinglePixelPackedSampleModel.
 * @param sampleModel     The SampleModel that specifies the layout.
 * @param dataBuffer      The DataBufferInt that contains the image data.
 * @param origin          The Point that specifies the origin.
 */
public IntegerInterleavedRaster(SampleModel sampleModel,
                                 DataBuffer dataBuffer,
                                 Point origin) {
    this(sampleModel,
         dataBuffer,
         new Rectangle(origin.x,
                       origin.y,
                       sampleModel.getWidth(),
                       sampleModel.getHeight()),
         origin,
         null);
}
 
Example 28
/**
 * Constructs a IntegerInterleavedRaster with the given SampleModel,
 * DataBuffer, and parent.  DataBuffer must be a DataBufferInt and
 * SampleModel must be of type SinglePixelPackedSampleModel.
 * When translated into the base Raster's
 * coordinate system, aRegion must be contained by the base Raster.
 * Origin is the coodinate in the new Raster's coordinate system of
 * the origin of the base Raster.  (The base Raster is the Raster's
 * ancestor which has no parent.)
 *
 * Note that this constructor should generally be called by other
 * constructors or create methods, it should not be used directly.
 * @param sampleModel     The SampleModel that specifies the layout.
 * @param dataBuffer      The DataBufferInt that contains the image data.
 * @param aRegion         The Rectangle that specifies the image area.
 * @param origin          The Point that specifies the origin.
 * @param parent          The parent (if any) of this raster.
 */
public IntegerInterleavedRaster(SampleModel sampleModel,
                                 DataBuffer dataBuffer,
                                 Rectangle aRegion,
                                 Point origin,
                                 IntegerInterleavedRaster parent){
    super(sampleModel,dataBuffer,aRegion,origin,parent);
    this.maxX = minX + width;
    this.maxY = minY + height;
    if (!(dataBuffer instanceof DataBufferInt)) {
       throw new RasterFormatException("IntegerInterleavedRasters must have" +
            "integer DataBuffers");
    }
    DataBufferInt dbi = (DataBufferInt)dataBuffer;
    this.data = stealData(dbi, 0);

    if (sampleModel instanceof SinglePixelPackedSampleModel) {
        SinglePixelPackedSampleModel sppsm =
                (SinglePixelPackedSampleModel)sampleModel;
        this.scanlineStride = sppsm.getScanlineStride();
        this.pixelStride    = 1;
        this.dataOffsets = new int[1];
        this.dataOffsets[0] = dbi.getOffset();
        this.bandOffset = this.dataOffsets[0];
        int xOffset = aRegion.x - origin.x;
        int yOffset = aRegion.y - origin.y;
        dataOffsets[0] += xOffset+yOffset*scanlineStride;
        this.numDataElems = sppsm.getNumDataElements();
    } else {
        throw new RasterFormatException("IntegerInterleavedRasters must have"+
                                        " SinglePixelPackedSampleModel");
    }
    verify();
}
 
Example 29
Source Project: openjdk-8   Source File: ByteBandedRaster.java    License: GNU General Public License v2.0 5 votes vote down vote up
/**
 *  Constructs a ByteBandedRaster with the given sampleModel,
 *  DataBuffer, and parent. DataBuffer must be a DataBufferShort and
 *  SampleModel must be of type BandedSampleModel.
 *  When translated into the base Raster's
 *  coordinate system, aRegion must be contained by the base Raster.
 *  Origin is the coordinate in the new Raster's coordinate system of
 *  the origin of the base Raster.  (The base Raster is the Raster's
 *  ancestor which has no parent.)
 *
 *  Note that this constructor should generally be called by other
 *  constructors or create methods, it should not be used directly.
 *  @param sampleModel     The SampleModel that specifies the layout.
 *  @param dataBuffer      The DataBufferShort that contains the image data.
 *  @param aRegion         The Rectangle that specifies the image area.
 *  @param origin          The Point that specifies the origin.
 *  @param parent          The parent (if any) of this raster.
 */
public ByteBandedRaster(SampleModel sampleModel,
                        DataBuffer dataBuffer,
                        Rectangle aRegion,
                        Point origin,
                        ByteBandedRaster parent) {

    super(sampleModel, dataBuffer, aRegion, origin, parent);
    this.maxX = minX + width;
    this.maxY = minY + height;

    if (!(dataBuffer instanceof DataBufferByte)) {
       throw new RasterFormatException("ByteBandedRaster must have" +
            "byte DataBuffers");
    }
    DataBufferByte dbb = (DataBufferByte)dataBuffer;

    if (sampleModel instanceof BandedSampleModel) {
        BandedSampleModel bsm = (BandedSampleModel)sampleModel;
        this.scanlineStride = bsm.getScanlineStride();
        int bankIndices[] = bsm.getBankIndices();
        int bandOffsets[] = bsm.getBandOffsets();
        int dOffsets[] = dbb.getOffsets();
        dataOffsets = new int[bankIndices.length];
        data = new byte[bankIndices.length][];
        int xOffset = aRegion.x - origin.x;
        int yOffset = aRegion.y - origin.y;
        for (int i = 0; i < bankIndices.length; i++) {
           data[i] = stealData(dbb, bankIndices[i]);
           dataOffsets[i] = dOffsets[bankIndices[i]] +
               xOffset + yOffset*scanlineStride + bandOffsets[i];
        }
    } else {
        throw new RasterFormatException("ByteBandedRasters must have"+
            "BandedSampleModels");
    }
    verify();
}
 
Example 30
private static BufferedImage createCustomBuffer() {
    ColorSpace cs = ColorSpace.getInstance(ColorSpace.CS_sRGB);
    ColorModel cm = new ComponentColorModel(cs, false, false,
            Transparency.OPAQUE, DataBuffer.TYPE_FLOAT);
    WritableRaster wr = cm.createCompatibleWritableRaster(width, height);

    return new BufferedImage(cm, wr, false, null);
}