java.awt.image.DataBuffer#TYPE_USHORT源码实例Demo

下面列出了java.awt.image.DataBuffer#TYPE_USHORT 实例代码,或者点击链接到github查看源代码,也可以在右侧发表评论。

源代码1 项目: jdk8u-dev-jdk   文件: ColConvTest.java
static String getDTName(int dType) {
    switch(dType) {
        case DataBuffer.TYPE_BYTE:
            return "TYPE_BYTE";
        case DataBuffer.TYPE_DOUBLE:
            return "TYPE_DOUBLE";
        case DataBuffer.TYPE_FLOAT:
            return "TYPE_FLOAT";
        case DataBuffer.TYPE_INT:
            return "TYPE_INT";
        case DataBuffer.TYPE_SHORT:
            return "TYPE_SHORT";
        case DataBuffer.TYPE_USHORT:
            return "TYPE_USHORT";
        case DataBuffer.TYPE_UNDEFINED:
            return "TYPE_UNDEFINED";
    }
    return "UNKNOWN";
}
 
源代码2 项目: jdk8u60   文件: ColConvTest.java
static String getDTName(int dType) {
    switch(dType) {
        case DataBuffer.TYPE_BYTE:
            return "TYPE_BYTE";
        case DataBuffer.TYPE_DOUBLE:
            return "TYPE_DOUBLE";
        case DataBuffer.TYPE_FLOAT:
            return "TYPE_FLOAT";
        case DataBuffer.TYPE_INT:
            return "TYPE_INT";
        case DataBuffer.TYPE_SHORT:
            return "TYPE_SHORT";
        case DataBuffer.TYPE_USHORT:
            return "TYPE_USHORT";
        case DataBuffer.TYPE_UNDEFINED:
            return "TYPE_UNDEFINED";
    }
    return "UNKNOWN";
}
 
/**
 * 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;
}
 
源代码4 项目: jdk8u_jdk   文件: IncorrectSampleMaskTest.java
public static void main(String[] args) {
    int[] dataTypes = new int[] {
        DataBuffer.TYPE_BYTE,
        DataBuffer.TYPE_USHORT,
        DataBuffer.TYPE_INT };

    for (int type : dataTypes) {
        doTest(type);
    }
}
 
源代码5 项目: mrgeo   文件: MrsImageInfo.java
private static void printTileType(final MrsPyramidMetadata metadata, PrintStream out)
{
  out.print("Type: ");
  switch (metadata.getTileType())
  {
  case DataBuffer.TYPE_BYTE:
    out.println("byte");
    break;
  case DataBuffer.TYPE_FLOAT:
    out.println("float");
    break;
  case DataBuffer.TYPE_DOUBLE:
    out.println("double");
    break;
  case DataBuffer.TYPE_INT:
    out.println("int");
    break;
  case DataBuffer.TYPE_SHORT:
    out.println("short");
    break;
  case DataBuffer.TYPE_USHORT:
    out.println("unsigned short");
    break;
  default:
    break;
  }
}
 
源代码6 项目: openjdk-jdk9   文件: TIFFDecompressor.java
private static int getDataTypeFromNumBits(int numBits, boolean isSigned) {
    int dataType;

    if (numBits <= 8) {
        dataType = DataBuffer.TYPE_BYTE;
    } else if (numBits <= 16) {
        dataType = isSigned ?
            DataBuffer.TYPE_SHORT : DataBuffer.TYPE_USHORT;
    } else {
        dataType = DataBuffer.TYPE_INT;
    }

    return dataType;
}
 
源代码7 项目: Bytecoder   文件: TIFFDecompressor.java
private static int getDataTypeFromNumBits(int numBits, boolean isSigned) {
    int dataType;

    if (numBits <= 8) {
        dataType = DataBuffer.TYPE_BYTE;
    } else if (numBits <= 16) {
        dataType = isSigned ?
            DataBuffer.TYPE_SHORT : DataBuffer.TYPE_USHORT;
    } else {
        dataType = DataBuffer.TYPE_INT;
    }

    return dataType;
}
 
源代码8 项目: jdk8u-jdk   文件: IncorrectSampleMaskTest.java
public static void main(String[] args) {
    int[] dataTypes = new int[] {
        DataBuffer.TYPE_BYTE,
        DataBuffer.TYPE_USHORT,
        DataBuffer.TYPE_INT };

    for (int type : dataTypes) {
        doTest(type);
    }
}
 
源代码9 项目: openjdk-jdk9   文件: GeneralRenderer.java
static PixelWriter createXorPixelWriter(SunGraphics2D sg2d,
                                        SurfaceData sData)
{
    ColorModel dstCM = sData.getColorModel();

    Object srcPixel = dstCM.getDataElements(sg2d.eargb, null);

    XORComposite comp = (XORComposite)sg2d.getComposite();
    int xorrgb = comp.getXorColor().getRGB();
    Object xorPixel = dstCM.getDataElements(xorrgb, null);

    switch (dstCM.getTransferType()) {
    case DataBuffer.TYPE_BYTE:
        return new XorPixelWriter.ByteData(srcPixel, xorPixel);
    case DataBuffer.TYPE_SHORT:
    case DataBuffer.TYPE_USHORT:
        return new XorPixelWriter.ShortData(srcPixel, xorPixel);
    case DataBuffer.TYPE_INT:
        return new XorPixelWriter.IntData(srcPixel, xorPixel);
    case DataBuffer.TYPE_FLOAT:
        return new XorPixelWriter.FloatData(srcPixel, xorPixel);
    case DataBuffer.TYPE_DOUBLE:
        return new XorPixelWriter.DoubleData(srcPixel, xorPixel);
    default:
        throw new InternalError("Unsupported XOR pixel type");
    }
}
 
源代码10 项目: mrgeo   文件: MrsImageInfo.java
private static void printNodata(final MrsPyramidMetadata metadata, PrintStream out)
{
  out.print("NoData: ");
  for (int band = 0; band < metadata.getBands(); band++)
  {
    if (band > 0)
    {
      out.print(", ");
    }
    switch (metadata.getTileType())
    {
    case DataBuffer.TYPE_BYTE:
      out.print(metadata.getDefaultValueByte(band));
      break;
    case DataBuffer.TYPE_FLOAT:
      out.print(metadata.getDefaultValueFloat(band));
      break;
    case DataBuffer.TYPE_DOUBLE:
      out.print(metadata.getDefaultValueDouble(band));
      break;
    case DataBuffer.TYPE_INT:
      out.print(metadata.getDefaultValueInt(band));
      break;
    case DataBuffer.TYPE_SHORT:
    case DataBuffer.TYPE_USHORT:
      out.print(metadata.getDefaultValueShort(band));
      break;
    default:
      break;
    }
  }
  out.println("");
}
 
源代码11 项目: JDKSourceCode1.8   文件: ImageTypeSpecifier.java
public Packed(ColorSpace colorSpace,
              int redMask,
              int greenMask,
              int blueMask,
              int alphaMask, // 0 if no alpha
              int transferType,
              boolean isAlphaPremultiplied) {
    if (colorSpace == null) {
        throw new IllegalArgumentException("colorSpace == null!");
    }
    if (colorSpace.getType() != ColorSpace.TYPE_RGB) {
        throw new IllegalArgumentException
            ("colorSpace is not of type TYPE_RGB!");
    }
    if (transferType != DataBuffer.TYPE_BYTE &&
        transferType != DataBuffer.TYPE_USHORT &&
        transferType != DataBuffer.TYPE_INT) {
        throw new IllegalArgumentException
            ("Bad value for transferType!");
    }
    if (redMask == 0 && greenMask == 0 &&
        blueMask == 0 && alphaMask == 0) {
        throw new IllegalArgumentException
            ("No mask has at least 1 bit set!");
    }
    this.colorSpace = colorSpace;
    this.redMask = redMask;
    this.greenMask = greenMask;
    this.blueMask = blueMask;
    this.alphaMask = alphaMask;
    this.transferType = transferType;
    this.isAlphaPremultiplied = isAlphaPremultiplied;

    int bits = 32;
    this.colorModel =
        new DirectColorModel(colorSpace,
                             bits,
                             redMask, greenMask, blueMask,
                             alphaMask, isAlphaPremultiplied,
                             transferType);
    this.sampleModel = colorModel.createCompatibleSampleModel(1, 1);
}
 
源代码12 项目: gcs   文件: LosslessFactory.java
/**
 * Initialize the encoder and set all final fields
 */
PredictorEncoder(PDDocument document, BufferedImage image)
{
    this.document = document;
    this.image = image;

    // The raw count of components per pixel including optional alpha
    this.componentsPerPixel = image.getColorModel().getNumComponents();
    this.transferType = image.getRaster().getTransferType();
    this.bytesPerComponent = (transferType == DataBuffer.TYPE_SHORT
            || transferType == DataBuffer.TYPE_USHORT) ? 2 : 1;

    // Only the bytes we need in the output (excluding alpha)
    this.bytesPerPixel = image.getColorModel().getNumColorComponents() * bytesPerComponent;

    this.height = image.getHeight();
    this.width = image.getWidth();
    this.imageType = image.getType();
    this.hasAlpha = image.getColorModel().getNumComponents() != image.getColorModel()
            .getNumColorComponents();
    this.alphaImageData = hasAlpha ? new byte[width * height * bytesPerComponent] : null;

    // The rows have 1-byte encoding marker and width * BYTES_PER_PIXEL pixel-bytes
    int dataRowByteCount = width * bytesPerPixel + 1;
    this.dataRawRowNone = new byte[dataRowByteCount];
    this.dataRawRowSub = new byte[dataRowByteCount];
    this.dataRawRowUp = new byte[dataRowByteCount];
    this.dataRawRowAverage = new byte[dataRowByteCount];
    this.dataRawRowPaeth = new byte[dataRowByteCount];

    // Write the encoding markers
    dataRawRowNone[0] = 0;
    dataRawRowSub[0] = 1;
    dataRawRowUp[0] = 2;
    dataRawRowAverage[0] = 3;
    dataRawRowPaeth[0] = 4;

    // c | b
    // -----
    // a | x
    //
    // x => current pixel
    this.aValues = new byte[bytesPerPixel];
    this.cValues = new byte[bytesPerPixel];
    this.bValues = new byte[bytesPerPixel];
    this.xValues = new byte[bytesPerPixel];
    this.tmpResultValues = new byte[bytesPerPixel];
}
 
源代码13 项目: openjdk-8   文件: ImageTypeSpecifier.java
public Indexed(byte[] redLUT,
               byte[] greenLUT,
               byte[] blueLUT,
               byte[] alphaLUT,
               int bits,
               int dataType) {
    if (redLUT == null || greenLUT == null || blueLUT == null) {
        throw new IllegalArgumentException("LUT is null!");
    }
    if (bits != 1 && bits != 2 && bits != 4 &&
        bits != 8 && bits != 16) {
        throw new IllegalArgumentException("Bad value for bits!");
    }
    if (dataType != DataBuffer.TYPE_BYTE &&
        dataType != DataBuffer.TYPE_SHORT &&
        dataType != DataBuffer.TYPE_USHORT &&
        dataType != DataBuffer.TYPE_INT) {
        throw new IllegalArgumentException
            ("Bad value for dataType!");
    }
    if ((bits > 8 && dataType == DataBuffer.TYPE_BYTE) ||
        (bits > 16 && dataType != DataBuffer.TYPE_INT)) {
        throw new IllegalArgumentException
            ("Too many bits for dataType!");
    }

    int len = 1 << bits;
    if (redLUT.length != len ||
        greenLUT.length != len ||
        blueLUT.length != len ||
        (alphaLUT != null && alphaLUT.length != len)) {
        throw new IllegalArgumentException("LUT has improper length!");
    }
    this.redLUT = (byte[])redLUT.clone();
    this.greenLUT = (byte[])greenLUT.clone();
    this.blueLUT = (byte[])blueLUT.clone();
    if (alphaLUT != null) {
        this.alphaLUT = (byte[])alphaLUT.clone();
    }
    this.bits = bits;
    this.dataType = dataType;

    if (alphaLUT == null) {
        this.colorModel = new IndexColorModel(bits,
                                              redLUT.length,
                                              redLUT,
                                              greenLUT,
                                              blueLUT);
    } else {
        this.colorModel = new IndexColorModel(bits,
                                              redLUT.length,
                                              redLUT,
                                              greenLUT,
                                              blueLUT,
                                              alphaLUT);
    }

    if ((bits == 8 && dataType == DataBuffer.TYPE_BYTE) ||
        (bits == 16 &&
         (dataType == DataBuffer.TYPE_SHORT ||
          dataType == DataBuffer.TYPE_USHORT))) {
        int[] bandOffsets = { 0 };
        this.sampleModel =
            new PixelInterleavedSampleModel(dataType,
                                            1, 1, 1, 1,
                                            bandOffsets);
    } else {
        this.sampleModel =
            new MultiPixelPackedSampleModel(dataType, 1, 1, bits);
    }
}
 
源代码14 项目: openjdk-jdk9   文件: OffScreenImageSource.java
private void sendPixels() {
    ColorModel cm = image.getColorModel();
    WritableRaster raster = image.getRaster();
    int numDataElements = raster.getNumDataElements();
    int dataType = raster.getDataBuffer().getDataType();
    int[] scanline = new int[width*numDataElements];
    boolean needToCvt = true;

    if (cm instanceof IndexColorModel) {
        byte[] pixels = new byte[width];
        theConsumer.setColorModel(cm);

        if (raster instanceof ByteComponentRaster) {
            needToCvt = false;
            for (int y=0; y < height; y++) {
                raster.getDataElements(0, y, width, 1, pixels);
                theConsumer.setPixels(0, y, width, 1, cm, pixels, 0,
                                      width);
            }
        }
        else if (raster instanceof BytePackedRaster) {
            needToCvt = false;
            // Binary image.  Need to unpack it
            for (int y=0; y < height; y++) {
                raster.getPixels(0, y, width, 1, scanline);
                for (int x=0; x < width; x++) {
                    pixels[x] = (byte) scanline[x];
                }
                theConsumer.setPixels(0, y, width, 1, cm, pixels, 0,
                                      width);
            }
        }
        else if (dataType == DataBuffer.TYPE_SHORT ||
                 dataType == DataBuffer.TYPE_INT)
        {
            // Probably a short or int "GRAY" image
            needToCvt = false;
            for (int y=0; y < height; y++) {
                raster.getPixels(0, y, width, 1, scanline);
                theConsumer.setPixels(0, y, width, 1, cm, scanline, 0,
                                      width);
            }
        }
    }
    else if (cm instanceof DirectColorModel) {
        theConsumer.setColorModel(cm);
        needToCvt = false;
        switch (dataType) {
        case DataBuffer.TYPE_INT:
            for (int y=0; y < height; y++) {
                raster.getDataElements(0, y, width, 1, scanline);
                theConsumer.setPixels(0, y, width, 1, cm, scanline, 0,
                                      width);
            }
            break;
        case DataBuffer.TYPE_BYTE:
            byte[] bscanline = new byte[width];
            for (int y=0; y < height; y++) {
                raster.getDataElements(0, y, width, 1, bscanline);
                for (int x=0; x < width; x++) {
                    scanline[x] = bscanline[x]&0xff;
                }
                theConsumer.setPixels(0, y, width, 1, cm, scanline, 0,
                                      width);
            }
            break;
        case DataBuffer.TYPE_USHORT:
            short[] sscanline = new short[width];
            for (int y=0; y < height; y++) {
                raster.getDataElements(0, y, width, 1, sscanline);
                for (int x=0; x < width; x++) {
                    scanline[x] = sscanline[x]&0xffff;
                }
                theConsumer.setPixels(0, y, width, 1, cm, scanline, 0,
                                      width);
            }
            break;
        default:
            needToCvt = true;
        }
    }

    if (needToCvt) {
        // REMIND: Need to add other types of CMs here
        ColorModel newcm = ColorModel.getRGBdefault();
        theConsumer.setColorModel(newcm);

        for (int y=0; y < height; y++) {
            for (int x=0; x < width; x++) {
                scanline[x] = image.getRGB(x, y);
            }
            theConsumer.setPixels(0, y, width, 1, newcm, scanline, 0,
                                  width);
        }
    }
}
 
源代码15 项目: TencentKona-8   文件: ImageTypeSpecifier.java
public Indexed(byte[] redLUT,
               byte[] greenLUT,
               byte[] blueLUT,
               byte[] alphaLUT,
               int bits,
               int dataType) {
    if (redLUT == null || greenLUT == null || blueLUT == null) {
        throw new IllegalArgumentException("LUT is null!");
    }
    if (bits != 1 && bits != 2 && bits != 4 &&
        bits != 8 && bits != 16) {
        throw new IllegalArgumentException("Bad value for bits!");
    }
    if (dataType != DataBuffer.TYPE_BYTE &&
        dataType != DataBuffer.TYPE_SHORT &&
        dataType != DataBuffer.TYPE_USHORT &&
        dataType != DataBuffer.TYPE_INT) {
        throw new IllegalArgumentException
            ("Bad value for dataType!");
    }
    if ((bits > 8 && dataType == DataBuffer.TYPE_BYTE) ||
        (bits > 16 && dataType != DataBuffer.TYPE_INT)) {
        throw new IllegalArgumentException
            ("Too many bits for dataType!");
    }

    int len = 1 << bits;
    if (redLUT.length != len ||
        greenLUT.length != len ||
        blueLUT.length != len ||
        (alphaLUT != null && alphaLUT.length != len)) {
        throw new IllegalArgumentException("LUT has improper length!");
    }
    this.redLUT = (byte[])redLUT.clone();
    this.greenLUT = (byte[])greenLUT.clone();
    this.blueLUT = (byte[])blueLUT.clone();
    if (alphaLUT != null) {
        this.alphaLUT = (byte[])alphaLUT.clone();
    }
    this.bits = bits;
    this.dataType = dataType;

    if (alphaLUT == null) {
        this.colorModel = new IndexColorModel(bits,
                                              redLUT.length,
                                              redLUT,
                                              greenLUT,
                                              blueLUT);
    } else {
        this.colorModel = new IndexColorModel(bits,
                                              redLUT.length,
                                              redLUT,
                                              greenLUT,
                                              blueLUT,
                                              alphaLUT);
    }

    if ((bits == 8 && dataType == DataBuffer.TYPE_BYTE) ||
        (bits == 16 &&
         (dataType == DataBuffer.TYPE_SHORT ||
          dataType == DataBuffer.TYPE_USHORT))) {
        int[] bandOffsets = { 0 };
        this.sampleModel =
            new PixelInterleavedSampleModel(dataType,
                                            1, 1, 1, 1,
                                            bandOffsets);
    } else {
        this.sampleModel =
            new MultiPixelPackedSampleModel(dataType, 1, 1, bits);
    }
}
 
源代码16 项目: openjdk-jdk8u   文件: ImageTypeSpecifier.java
public Packed(ColorSpace colorSpace,
              int redMask,
              int greenMask,
              int blueMask,
              int alphaMask, // 0 if no alpha
              int transferType,
              boolean isAlphaPremultiplied) {
    if (colorSpace == null) {
        throw new IllegalArgumentException("colorSpace == null!");
    }
    if (colorSpace.getType() != ColorSpace.TYPE_RGB) {
        throw new IllegalArgumentException
            ("colorSpace is not of type TYPE_RGB!");
    }
    if (transferType != DataBuffer.TYPE_BYTE &&
        transferType != DataBuffer.TYPE_USHORT &&
        transferType != DataBuffer.TYPE_INT) {
        throw new IllegalArgumentException
            ("Bad value for transferType!");
    }
    if (redMask == 0 && greenMask == 0 &&
        blueMask == 0 && alphaMask == 0) {
        throw new IllegalArgumentException
            ("No mask has at least 1 bit set!");
    }
    this.colorSpace = colorSpace;
    this.redMask = redMask;
    this.greenMask = greenMask;
    this.blueMask = blueMask;
    this.alphaMask = alphaMask;
    this.transferType = transferType;
    this.isAlphaPremultiplied = isAlphaPremultiplied;

    int bits = 32;
    this.colorModel =
        new DirectColorModel(colorSpace,
                             bits,
                             redMask, greenMask, blueMask,
                             alphaMask, isAlphaPremultiplied,
                             transferType);
    this.sampleModel = colorModel.createCompatibleSampleModel(1, 1);
}
 
源代码17 项目: jdk8u60   文件: ImageTypeSpecifier.java
public Interleaved(ColorSpace colorSpace,
                   int[] bandOffsets,
                   int dataType,
                   boolean hasAlpha,
                   boolean isAlphaPremultiplied) {
    if (colorSpace == null) {
        throw new IllegalArgumentException("colorSpace == null!");
    }
    if (bandOffsets == null) {
        throw new IllegalArgumentException("bandOffsets == null!");
    }
    int numBands = colorSpace.getNumComponents() +
        (hasAlpha ? 1 : 0);
    if (bandOffsets.length != numBands) {
        throw new IllegalArgumentException
            ("bandOffsets.length is wrong!");
    }
    if (dataType != DataBuffer.TYPE_BYTE &&
        dataType != DataBuffer.TYPE_SHORT &&
        dataType != DataBuffer.TYPE_USHORT &&
        dataType != DataBuffer.TYPE_INT &&
        dataType != DataBuffer.TYPE_FLOAT &&
        dataType != DataBuffer.TYPE_DOUBLE) {
        throw new IllegalArgumentException
            ("Bad value for dataType!");
    }
    this.colorSpace = colorSpace;
    this.bandOffsets = (int[])bandOffsets.clone();
    this.dataType = dataType;
    this.hasAlpha = hasAlpha;
    this.isAlphaPremultiplied = isAlphaPremultiplied;

    this.colorModel =
        ImageTypeSpecifier.createComponentCM(colorSpace,
                                             bandOffsets.length,
                                             dataType,
                                             hasAlpha,
                                             isAlphaPremultiplied);

    int minBandOffset = bandOffsets[0];
    int maxBandOffset = minBandOffset;
    for (int i = 0; i < bandOffsets.length; i++) {
        int offset = bandOffsets[i];
        minBandOffset = Math.min(offset, minBandOffset);
        maxBandOffset = Math.max(offset, maxBandOffset);
    }
    int pixelStride = maxBandOffset - minBandOffset + 1;

    int w = 1;
    int h = 1;
    this.sampleModel =
        new PixelInterleavedSampleModel(dataType,
                                        w, h,
                                        pixelStride,
                                        w*pixelStride,
                                        bandOffsets);
}
 
源代码18 项目: hottub   文件: ImageTypeSpecifier.java
public Banded(ColorSpace colorSpace,
              int[] bankIndices,
              int[] bandOffsets,
              int dataType,
              boolean hasAlpha,
              boolean isAlphaPremultiplied) {
    if (colorSpace == null) {
        throw new IllegalArgumentException("colorSpace == null!");
    }
    if (bankIndices == null) {
        throw new IllegalArgumentException("bankIndices == null!");
    }
    if (bandOffsets == null) {
        throw new IllegalArgumentException("bandOffsets == null!");
    }
    if (bankIndices.length != bandOffsets.length) {
        throw new IllegalArgumentException
            ("bankIndices.length != bandOffsets.length!");
    }
    if (dataType != DataBuffer.TYPE_BYTE &&
        dataType != DataBuffer.TYPE_SHORT &&
        dataType != DataBuffer.TYPE_USHORT &&
        dataType != DataBuffer.TYPE_INT &&
        dataType != DataBuffer.TYPE_FLOAT &&
        dataType != DataBuffer.TYPE_DOUBLE) {
        throw new IllegalArgumentException
            ("Bad value for dataType!");
    }
    int numBands = colorSpace.getNumComponents() +
        (hasAlpha ? 1 : 0);
    if (bandOffsets.length != numBands) {
        throw new IllegalArgumentException
            ("bandOffsets.length is wrong!");
    }

    this.colorSpace = colorSpace;
    this.bankIndices = (int[])bankIndices.clone();
    this.bandOffsets = (int[])bandOffsets.clone();
    this.dataType = dataType;
    this.hasAlpha = hasAlpha;
    this.isAlphaPremultiplied = isAlphaPremultiplied;

    this.colorModel =
        ImageTypeSpecifier.createComponentCM(colorSpace,
                                             bankIndices.length,
                                             dataType,
                                             hasAlpha,
                                             isAlphaPremultiplied);

    int w = 1;
    int h = 1;
    this.sampleModel = new BandedSampleModel(dataType,
                                             w, h,
                                             w,
                                             bankIndices,
                                             bandOffsets);
}
 
源代码19 项目: jdk8u-jdk   文件: ImageTypeSpecifier.java
public Grayscale(int bits,
                 int dataType,
                 boolean isSigned,
                 boolean hasAlpha,
                 boolean isAlphaPremultiplied)
{
    if (bits != 1 && bits != 2 && bits != 4 &&
        bits != 8 && bits != 16)
    {
        throw new IllegalArgumentException("Bad value for bits!");
    }
    if (dataType != DataBuffer.TYPE_BYTE &&
        dataType != DataBuffer.TYPE_SHORT &&
        dataType != DataBuffer.TYPE_USHORT)
    {
        throw new IllegalArgumentException
            ("Bad value for dataType!");
    }
    if (bits > 8 && dataType == DataBuffer.TYPE_BYTE) {
        throw new IllegalArgumentException
            ("Too many bits for dataType!");
    }

    this.bits = bits;
    this.dataType = dataType;
    this.isSigned = isSigned;
    this.hasAlpha = hasAlpha;
    this.isAlphaPremultiplied = isAlphaPremultiplied;

    ColorSpace colorSpace = ColorSpace.getInstance(ColorSpace.CS_GRAY);

    if ((bits == 8 && dataType == DataBuffer.TYPE_BYTE) ||
        (bits == 16 &&
         (dataType == DataBuffer.TYPE_SHORT ||
          dataType == DataBuffer.TYPE_USHORT))) {
        // Use component color model & sample model

        int numBands = hasAlpha ? 2 : 1;
        int transparency =
            hasAlpha ? Transparency.TRANSLUCENT : Transparency.OPAQUE;


        int[] nBits = new int[numBands];
        nBits[0] = bits;
        if (numBands == 2) {
            nBits[1] = bits;
        }
        this.colorModel =
            new ComponentColorModel(colorSpace,
                                    nBits,
                                    hasAlpha,
                                    isAlphaPremultiplied,
                                    transparency,
                                    dataType);

        int[] bandOffsets = new int[numBands];
        bandOffsets[0] = 0;
        if (numBands == 2) {
            bandOffsets[1] = 1;
        }

        int w = 1;
        int h = 1;
        this.sampleModel =
            new PixelInterleavedSampleModel(dataType,
                                            w, h,
                                            numBands, w*numBands,
                                            bandOffsets);
    } else {
        int numEntries = 1 << bits;
        byte[] arr = new byte[numEntries];
        for (int i = 0; i < numEntries; i++) {
            arr[i] = (byte)(i*255/(numEntries - 1));
        }
        this.colorModel =
            new IndexColorModel(bits, numEntries, arr, arr, arr);

        this.sampleModel =
            new MultiPixelPackedSampleModel(dataType, 1, 1, bits);
    }
}
 
源代码20 项目: openjdk-jdk9   文件: ImageTypeSpecifier.java
public Packed(ColorSpace colorSpace,
              int redMask,
              int greenMask,
              int blueMask,
              int alphaMask, // 0 if no alpha
              int transferType,
              boolean isAlphaPremultiplied) {
    if (colorSpace == null) {
        throw new IllegalArgumentException("colorSpace == null!");
    }
    if (colorSpace.getType() != ColorSpace.TYPE_RGB) {
        throw new IllegalArgumentException
            ("colorSpace is not of type TYPE_RGB!");
    }
    if (transferType != DataBuffer.TYPE_BYTE &&
        transferType != DataBuffer.TYPE_USHORT &&
        transferType != DataBuffer.TYPE_INT) {
        throw new IllegalArgumentException
            ("Bad value for transferType!");
    }
    if (redMask == 0 && greenMask == 0 &&
        blueMask == 0 && alphaMask == 0) {
        throw new IllegalArgumentException
            ("No mask has at least 1 bit set!");
    }
    this.colorSpace = colorSpace;
    this.redMask = redMask;
    this.greenMask = greenMask;
    this.blueMask = blueMask;
    this.alphaMask = alphaMask;
    this.transferType = transferType;
    this.isAlphaPremultiplied = isAlphaPremultiplied;

    int bits = 32;
    this.colorModel =
        new DirectColorModel(colorSpace,
                             bits,
                             redMask, greenMask, blueMask,
                             alphaMask, isAlphaPremultiplied,
                             transferType);
    this.sampleModel = colorModel.createCompatibleSampleModel(1, 1);
}