Java Code Examples for java.awt.image.ComponentSampleModel#getBandOffsets()

The following examples show how to use java.awt.image.ComponentSampleModel#getBandOffsets() . 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 check out the related API usage on the sidebar.
Example 1
Source File: ByteInterleavedRaster.java    From openjdk-8-source with GNU General Public License v2.0 5 votes vote down vote up
/*** Analyzes a ComponentSampleModel to determine if it can function
 * as a PixelInterleavedSampleModel.  In order to do so, it must use
 * only bank 0 of its DataBuffer, and the data offsets must span a range
 * of less than pixelStride.
 *
 * <p> These properties are trivially true for a 1-banded SampleModel.
 */
private boolean isInterleaved(ComponentSampleModel sm) {
    // Analyze ComponentSampleModel to determine if it has the
    // properties of a PixelInterleavedSampleModel

    int numBands = sampleModel.getNumBands();
    if (numBands == 1) {
        return true;
    }

    // Determine banks used
    int[] bankIndices = sm.getBankIndices();
    for (int i = 0; i < numBands; i++) {
        if (bankIndices[i] != 0) {
            return false;
        }
    }

    // Determine range of band offsets
    int[] bandOffsets = sm.getBandOffsets();
    int minOffset = bandOffsets[0];
    int maxOffset = minOffset;
    for (int i = 1; i < numBands; i++) {
        int offset = bandOffsets[i];
        if (offset < minOffset) {
            minOffset = offset;
        }
        if (offset > maxOffset) {
            maxOffset = offset;
        }
    }
    if (maxOffset - minOffset >= sm.getPixelStride()) {
        return false;
    }

    return true;
}
 
Example 2
Source File: ByteInterleavedRaster.java    From openjdk-jdk8u with GNU General Public License v2.0 5 votes vote down vote up
/*** Analyzes a ComponentSampleModel to determine if it can function
 * as a PixelInterleavedSampleModel.  In order to do so, it must use
 * only bank 0 of its DataBuffer, and the data offsets must span a range
 * of less than pixelStride.
 *
 * <p> These properties are trivially true for a 1-banded SampleModel.
 */
private boolean isInterleaved(ComponentSampleModel sm) {
    // Analyze ComponentSampleModel to determine if it has the
    // properties of a PixelInterleavedSampleModel

    int numBands = sampleModel.getNumBands();
    if (numBands == 1) {
        return true;
    }

    // Determine banks used
    int[] bankIndices = sm.getBankIndices();
    for (int i = 0; i < numBands; i++) {
        if (bankIndices[i] != 0) {
            return false;
        }
    }

    // Determine range of band offsets
    int[] bandOffsets = sm.getBandOffsets();
    int minOffset = bandOffsets[0];
    int maxOffset = minOffset;
    for (int i = 1; i < numBands; i++) {
        int offset = bandOffsets[i];
        if (offset < minOffset) {
            minOffset = offset;
        }
        if (offset > maxOffset) {
            maxOffset = offset;
        }
    }
    if (maxOffset - minOffset >= sm.getPixelStride()) {
        return false;
    }

    return true;
}
 
Example 3
Source File: ByteInterleavedRaster.java    From hottub with GNU General Public License v2.0 5 votes vote down vote up
/*** Analyzes a ComponentSampleModel to determine if it can function
 * as a PixelInterleavedSampleModel.  In order to do so, it must use
 * only bank 0 of its DataBuffer, and the data offsets must span a range
 * of less than pixelStride.
 *
 * <p> These properties are trivially true for a 1-banded SampleModel.
 */
private boolean isInterleaved(ComponentSampleModel sm) {
    // Analyze ComponentSampleModel to determine if it has the
    // properties of a PixelInterleavedSampleModel

    int numBands = sampleModel.getNumBands();
    if (numBands == 1) {
        return true;
    }

    // Determine banks used
    int[] bankIndices = sm.getBankIndices();
    for (int i = 0; i < numBands; i++) {
        if (bankIndices[i] != 0) {
            return false;
        }
    }

    // Determine range of band offsets
    int[] bandOffsets = sm.getBandOffsets();
    int minOffset = bandOffsets[0];
    int maxOffset = minOffset;
    for (int i = 1; i < numBands; i++) {
        int offset = bandOffsets[i];
        if (offset < minOffset) {
            minOffset = offset;
        }
        if (offset > maxOffset) {
            maxOffset = offset;
        }
    }
    if (maxOffset - minOffset >= sm.getPixelStride()) {
        return false;
    }

    return true;
}
 
Example 4
Source File: ByteInterleavedRaster.java    From openjdk-8 with GNU General Public License v2.0 5 votes vote down vote up
/*** Analyzes a ComponentSampleModel to determine if it can function
 * as a PixelInterleavedSampleModel.  In order to do so, it must use
 * only bank 0 of its DataBuffer, and the data offsets must span a range
 * of less than pixelStride.
 *
 * <p> These properties are trivially true for a 1-banded SampleModel.
 */
private boolean isInterleaved(ComponentSampleModel sm) {
    // Analyze ComponentSampleModel to determine if it has the
    // properties of a PixelInterleavedSampleModel

    int numBands = sampleModel.getNumBands();
    if (numBands == 1) {
        return true;
    }

    // Determine banks used
    int[] bankIndices = sm.getBankIndices();
    for (int i = 0; i < numBands; i++) {
        if (bankIndices[i] != 0) {
            return false;
        }
    }

    // Determine range of band offsets
    int[] bandOffsets = sm.getBandOffsets();
    int minOffset = bandOffsets[0];
    int maxOffset = minOffset;
    for (int i = 1; i < numBands; i++) {
        int offset = bandOffsets[i];
        if (offset < minOffset) {
            minOffset = offset;
        }
        if (offset > maxOffset) {
            maxOffset = offset;
        }
    }
    if (maxOffset - minOffset >= sm.getPixelStride()) {
        return false;
    }

    return true;
}
 
Example 5
Source File: ByteInterleavedRaster.java    From jdk8u_jdk with GNU General Public License v2.0 5 votes vote down vote up
/*** Analyzes a ComponentSampleModel to determine if it can function
 * as a PixelInterleavedSampleModel.  In order to do so, it must use
 * only bank 0 of its DataBuffer, and the data offsets must span a range
 * of less than pixelStride.
 *
 * <p> These properties are trivially true for a 1-banded SampleModel.
 */
private boolean isInterleaved(ComponentSampleModel sm) {
    // Analyze ComponentSampleModel to determine if it has the
    // properties of a PixelInterleavedSampleModel

    int numBands = sampleModel.getNumBands();
    if (numBands == 1) {
        return true;
    }

    // Determine banks used
    int[] bankIndices = sm.getBankIndices();
    for (int i = 0; i < numBands; i++) {
        if (bankIndices[i] != 0) {
            return false;
        }
    }

    // Determine range of band offsets
    int[] bandOffsets = sm.getBandOffsets();
    int minOffset = bandOffsets[0];
    int maxOffset = minOffset;
    for (int i = 1; i < numBands; i++) {
        int offset = bandOffsets[i];
        if (offset < minOffset) {
            minOffset = offset;
        }
        if (offset > maxOffset) {
            maxOffset = offset;
        }
    }
    if (maxOffset - minOffset >= sm.getPixelStride()) {
        return false;
    }

    return true;
}
 
Example 6
Source File: ByteInterleavedRaster.java    From hottub with GNU General Public License v2.0 4 votes vote down vote up
/**
 * Constructs a ByteInterleavedRaster with the given SampleModel,
 * DataBuffer, and parent.  DataBuffer must be a DataBufferByte and
 * SampleModel must be of type SinglePixelPackedSampleModel
 * or InterleavedSampleModel.
 * 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 ByteInterleavedRaster(SampleModel sampleModel,
                              DataBuffer dataBuffer,
                              Rectangle aRegion,
                              Point origin,
                              ByteInterleavedRaster parent) {
    super(sampleModel, dataBuffer, aRegion, origin, parent);
    this.maxX = minX + width;
    this.maxY = minY + height;

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

    DataBufferByte dbb = (DataBufferByte)dataBuffer;
    this.data = stealData(dbb, 0);

    int xOffset = aRegion.x - origin.x;
    int yOffset = aRegion.y - origin.y;
    if (sampleModel instanceof PixelInterleavedSampleModel ||
        (sampleModel instanceof ComponentSampleModel &&
         isInterleaved((ComponentSampleModel)sampleModel))) {
        ComponentSampleModel csm = (ComponentSampleModel)sampleModel;
        this.scanlineStride = csm.getScanlineStride();
        this.pixelStride = csm.getPixelStride();
        this.dataOffsets = csm.getBandOffsets();
        for (int i = 0; i < getNumDataElements(); i++) {
            dataOffsets[i] += xOffset*pixelStride+yOffset*scanlineStride;
        }
    } else if (sampleModel instanceof SinglePixelPackedSampleModel) {
        SinglePixelPackedSampleModel sppsm =
                (SinglePixelPackedSampleModel)sampleModel;
        this.packed = true;
        this.bitMasks = sppsm.getBitMasks();
        this.bitOffsets = sppsm.getBitOffsets();
        this.scanlineStride = sppsm.getScanlineStride();
        this.pixelStride = 1;
        this.dataOffsets = new int[1];
        this.dataOffsets[0] = dbb.getOffset();
        dataOffsets[0] += xOffset*pixelStride+yOffset*scanlineStride;
    } else {
        throw new RasterFormatException("ByteInterleavedRasters must " +
          "have PixelInterleavedSampleModel, SinglePixelPackedSampleModel"+
          " or interleaved ComponentSampleModel.  Sample model is " +
          sampleModel);
    }
    this.bandOffset = this.dataOffsets[0];

    this.dbOffsetPacked = dataBuffer.getOffset() -
        sampleModelTranslateY*scanlineStride -
        sampleModelTranslateX*pixelStride;
    this.dbOffset = dbOffsetPacked -
        (xOffset*pixelStride+yOffset*scanlineStride);

    // Set inOrder to true if the data elements are in order and
    // have no gaps between them
    this.inOrder = false;
    if (numDataElements == pixelStride) {
        inOrder = true;
        for (int i = 1; i < numDataElements; i++) {
            if (dataOffsets[i] - dataOffsets[0] != i) {
                inOrder = false;
                break;
            }
        }
    }

    verify();
}
 
Example 7
Source File: ImageUtil.java    From jdk1.8-source-analysis with Apache License 2.0 4 votes vote down vote up
/**
 * Returns whether the image has contiguous data across rows.
 */
public static final boolean imageIsContiguous(RenderedImage image) {
    SampleModel sm;
    if(image instanceof BufferedImage) {
        WritableRaster ras = ((BufferedImage)image).getRaster();
        sm = ras.getSampleModel();
    } else {
        sm = image.getSampleModel();
    }

    if (sm instanceof ComponentSampleModel) {
        // Ensure image rows samples are stored contiguously
        // in a single bank.
        ComponentSampleModel csm = (ComponentSampleModel)sm;

        if (csm.getPixelStride() != csm.getNumBands()) {
            return false;
        }

        int[] bandOffsets = csm.getBandOffsets();
        for (int i = 0; i < bandOffsets.length; i++) {
            if (bandOffsets[i] != i) {
                return false;
            }
        }

        int[] bankIndices = csm.getBankIndices();
        for (int i = 0; i < bandOffsets.length; i++) {
            if (bankIndices[i] != 0) {
                return false;
            }
        }

        return true;
    }

    // Otherwise true if and only if it's a bilevel image with
    // a MultiPixelPackedSampleModel, 1 bit per pixel, and 1 bit
    // pixel stride.
    return ImageUtil.isBinary(sm);
}
 
Example 8
Source File: LCMSImageLayout.java    From openjdk-jdk8u-backup with GNU General Public License v2.0 4 votes vote down vote up
public static LCMSImageLayout createImageLayout(Raster r) {
    LCMSImageLayout l = new LCMSImageLayout();
    if (r instanceof ByteComponentRaster &&
            r.getSampleModel() instanceof ComponentSampleModel) {
        ByteComponentRaster br = (ByteComponentRaster)r;

        ComponentSampleModel csm = (ComponentSampleModel)r.getSampleModel();

        l.pixelType = CHANNELS_SH(br.getNumBands()) | BYTES_SH(1);

        int[] bandOffsets = csm.getBandOffsets();
        BandOrder order = BandOrder.getBandOrder(bandOffsets);

        int firstBand = 0;
        switch (order) {
            case INVERTED:
                l.pixelType |= DOSWAP;
                firstBand  = csm.getNumBands() - 1;
                break;
            case DIRECT:
                // do nothing
                break;
            default:
                // unable to create the image layout;
                return null;
        }

        l.nextRowOffset = br.getScanlineStride();
        l.nextPixelOffset = br.getPixelStride();

        l.offset = br.getDataOffset(firstBand);
        l.dataArray = br.getDataStorage();
        l.dataType = DT_BYTE;

        l.width = br.getWidth();
        l.height = br.getHeight();

        if (l.nextRowOffset == l.width * br.getPixelStride()) {
            l.imageAtOnce = true;
        }
        return l;
    }
    return null;
}
 
Example 9
Source File: ImageUtil.java    From openjdk-jdk8u with GNU General Public License v2.0 4 votes vote down vote up
/**
 * Returns whether the image has contiguous data across rows.
 */
public static final boolean imageIsContiguous(RenderedImage image) {
    SampleModel sm;
    if(image instanceof BufferedImage) {
        WritableRaster ras = ((BufferedImage)image).getRaster();
        sm = ras.getSampleModel();
    } else {
        sm = image.getSampleModel();
    }

    if (sm instanceof ComponentSampleModel) {
        // Ensure image rows samples are stored contiguously
        // in a single bank.
        ComponentSampleModel csm = (ComponentSampleModel)sm;

        if (csm.getPixelStride() != csm.getNumBands()) {
            return false;
        }

        int[] bandOffsets = csm.getBandOffsets();
        for (int i = 0; i < bandOffsets.length; i++) {
            if (bandOffsets[i] != i) {
                return false;
            }
        }

        int[] bankIndices = csm.getBankIndices();
        for (int i = 0; i < bandOffsets.length; i++) {
            if (bankIndices[i] != 0) {
                return false;
            }
        }

        return true;
    }

    // Otherwise true if and only if it's a bilevel image with
    // a MultiPixelPackedSampleModel, 1 bit per pixel, and 1 bit
    // pixel stride.
    return ImageUtil.isBinary(sm);
}
 
Example 10
Source File: ByteInterleavedRaster.java    From openjdk-8 with GNU General Public License v2.0 4 votes vote down vote up
/**
 * Constructs a ByteInterleavedRaster with the given SampleModel,
 * DataBuffer, and parent.  DataBuffer must be a DataBufferByte and
 * SampleModel must be of type SinglePixelPackedSampleModel
 * or InterleavedSampleModel.
 * 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 ByteInterleavedRaster(SampleModel sampleModel,
                              DataBuffer dataBuffer,
                              Rectangle aRegion,
                              Point origin,
                              ByteInterleavedRaster parent) {
    super(sampleModel, dataBuffer, aRegion, origin, parent);
    this.maxX = minX + width;
    this.maxY = minY + height;

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

    DataBufferByte dbb = (DataBufferByte)dataBuffer;
    this.data = stealData(dbb, 0);

    int xOffset = aRegion.x - origin.x;
    int yOffset = aRegion.y - origin.y;
    if (sampleModel instanceof PixelInterleavedSampleModel ||
        (sampleModel instanceof ComponentSampleModel &&
         isInterleaved((ComponentSampleModel)sampleModel))) {
        ComponentSampleModel csm = (ComponentSampleModel)sampleModel;
        this.scanlineStride = csm.getScanlineStride();
        this.pixelStride = csm.getPixelStride();
        this.dataOffsets = csm.getBandOffsets();
        for (int i = 0; i < getNumDataElements(); i++) {
            dataOffsets[i] += xOffset*pixelStride+yOffset*scanlineStride;
        }
    } else if (sampleModel instanceof SinglePixelPackedSampleModel) {
        SinglePixelPackedSampleModel sppsm =
                (SinglePixelPackedSampleModel)sampleModel;
        this.packed = true;
        this.bitMasks = sppsm.getBitMasks();
        this.bitOffsets = sppsm.getBitOffsets();
        this.scanlineStride = sppsm.getScanlineStride();
        this.pixelStride = 1;
        this.dataOffsets = new int[1];
        this.dataOffsets[0] = dbb.getOffset();
        dataOffsets[0] += xOffset*pixelStride+yOffset*scanlineStride;
    } else {
        throw new RasterFormatException("ByteInterleavedRasters must " +
          "have PixelInterleavedSampleModel, SinglePixelPackedSampleModel"+
          " or interleaved ComponentSampleModel.  Sample model is " +
          sampleModel);
    }
    this.bandOffset = this.dataOffsets[0];

    this.dbOffsetPacked = dataBuffer.getOffset() -
        sampleModelTranslateY*scanlineStride -
        sampleModelTranslateX*pixelStride;
    this.dbOffset = dbOffsetPacked -
        (xOffset*pixelStride+yOffset*scanlineStride);

    // Set inOrder to true if the data elements are in order and
    // have no gaps between them
    this.inOrder = false;
    if (numDataElements == pixelStride) {
        inOrder = true;
        for (int i = 1; i < numDataElements; i++) {
            if (dataOffsets[i] - dataOffsets[0] != i) {
                inOrder = false;
                break;
            }
        }
    }

    verify();
}
 
Example 11
Source File: LCMSImageLayout.java    From openjdk-jdk8u with GNU General Public License v2.0 4 votes vote down vote up
public static LCMSImageLayout createImageLayout(Raster r) {
    LCMSImageLayout l = new LCMSImageLayout();
    if (r instanceof ByteComponentRaster &&
            r.getSampleModel() instanceof ComponentSampleModel) {
        ByteComponentRaster br = (ByteComponentRaster)r;

        ComponentSampleModel csm = (ComponentSampleModel)r.getSampleModel();

        l.pixelType = CHANNELS_SH(br.getNumBands()) | BYTES_SH(1);

        int[] bandOffsets = csm.getBandOffsets();
        BandOrder order = BandOrder.getBandOrder(bandOffsets);

        int firstBand = 0;
        switch (order) {
            case INVERTED:
                l.pixelType |= DOSWAP;
                firstBand  = csm.getNumBands() - 1;
                break;
            case DIRECT:
                // do nothing
                break;
            default:
                // unable to create the image layout;
                return null;
        }

        l.nextRowOffset = br.getScanlineStride();
        l.nextPixelOffset = br.getPixelStride();

        l.offset = br.getDataOffset(firstBand);
        l.dataArray = br.getDataStorage();
        l.dataType = DT_BYTE;

        l.width = br.getWidth();
        l.height = br.getHeight();

        if (l.nextRowOffset == l.width * br.getPixelStride()) {
            l.imageAtOnce = true;
        }
        return l;
    }
    return null;
}
 
Example 12
Source File: ImageUtil.java    From jdk8u60 with GNU General Public License v2.0 4 votes vote down vote up
/**
 * Returns whether the image has contiguous data across rows.
 */
public static final boolean imageIsContiguous(RenderedImage image) {
    SampleModel sm;
    if(image instanceof BufferedImage) {
        WritableRaster ras = ((BufferedImage)image).getRaster();
        sm = ras.getSampleModel();
    } else {
        sm = image.getSampleModel();
    }

    if (sm instanceof ComponentSampleModel) {
        // Ensure image rows samples are stored contiguously
        // in a single bank.
        ComponentSampleModel csm = (ComponentSampleModel)sm;

        if (csm.getPixelStride() != csm.getNumBands()) {
            return false;
        }

        int[] bandOffsets = csm.getBandOffsets();
        for (int i = 0; i < bandOffsets.length; i++) {
            if (bandOffsets[i] != i) {
                return false;
            }
        }

        int[] bankIndices = csm.getBankIndices();
        for (int i = 0; i < bandOffsets.length; i++) {
            if (bankIndices[i] != 0) {
                return false;
            }
        }

        return true;
    }

    // Otherwise true if and only if it's a bilevel image with
    // a MultiPixelPackedSampleModel, 1 bit per pixel, and 1 bit
    // pixel stride.
    return ImageUtil.isBinary(sm);
}
 
Example 13
Source File: ByteInterleavedRaster.java    From jdk8u60 with GNU General Public License v2.0 4 votes vote down vote up
/**
 * Constructs a ByteInterleavedRaster with the given SampleModel,
 * DataBuffer, and parent.  DataBuffer must be a DataBufferByte and
 * SampleModel must be of type SinglePixelPackedSampleModel
 * or InterleavedSampleModel.
 * 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 ByteInterleavedRaster(SampleModel sampleModel,
                              DataBuffer dataBuffer,
                              Rectangle aRegion,
                              Point origin,
                              ByteInterleavedRaster parent) {
    super(sampleModel, dataBuffer, aRegion, origin, parent);
    this.maxX = minX + width;
    this.maxY = minY + height;

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

    DataBufferByte dbb = (DataBufferByte)dataBuffer;
    this.data = stealData(dbb, 0);

    int xOffset = aRegion.x - origin.x;
    int yOffset = aRegion.y - origin.y;
    if (sampleModel instanceof PixelInterleavedSampleModel ||
        (sampleModel instanceof ComponentSampleModel &&
         isInterleaved((ComponentSampleModel)sampleModel))) {
        ComponentSampleModel csm = (ComponentSampleModel)sampleModel;
        this.scanlineStride = csm.getScanlineStride();
        this.pixelStride = csm.getPixelStride();
        this.dataOffsets = csm.getBandOffsets();
        for (int i = 0; i < getNumDataElements(); i++) {
            dataOffsets[i] += xOffset*pixelStride+yOffset*scanlineStride;
        }
    } else if (sampleModel instanceof SinglePixelPackedSampleModel) {
        SinglePixelPackedSampleModel sppsm =
                (SinglePixelPackedSampleModel)sampleModel;
        this.packed = true;
        this.bitMasks = sppsm.getBitMasks();
        this.bitOffsets = sppsm.getBitOffsets();
        this.scanlineStride = sppsm.getScanlineStride();
        this.pixelStride = 1;
        this.dataOffsets = new int[1];
        this.dataOffsets[0] = dbb.getOffset();
        dataOffsets[0] += xOffset*pixelStride+yOffset*scanlineStride;
    } else {
        throw new RasterFormatException("ByteInterleavedRasters must " +
          "have PixelInterleavedSampleModel, SinglePixelPackedSampleModel"+
          " or interleaved ComponentSampleModel.  Sample model is " +
          sampleModel);
    }
    this.bandOffset = this.dataOffsets[0];

    this.dbOffsetPacked = dataBuffer.getOffset() -
        sampleModelTranslateY*scanlineStride -
        sampleModelTranslateX*pixelStride;
    this.dbOffset = dbOffsetPacked -
        (xOffset*pixelStride+yOffset*scanlineStride);

    // Set inOrder to true if the data elements are in order and
    // have no gaps between them
    this.inOrder = false;
    if (numDataElements == pixelStride) {
        inOrder = true;
        for (int i = 1; i < numDataElements; i++) {
            if (dataOffsets[i] - dataOffsets[0] != i) {
                inOrder = false;
                break;
            }
        }
    }

    verify();
}
 
Example 14
Source File: ImageUtil.java    From openjdk-jdk8u-backup with GNU General Public License v2.0 4 votes vote down vote up
/**
 * Returns whether the image has contiguous data across rows.
 */
public static final boolean imageIsContiguous(RenderedImage image) {
    SampleModel sm;
    if(image instanceof BufferedImage) {
        WritableRaster ras = ((BufferedImage)image).getRaster();
        sm = ras.getSampleModel();
    } else {
        sm = image.getSampleModel();
    }

    if (sm instanceof ComponentSampleModel) {
        // Ensure image rows samples are stored contiguously
        // in a single bank.
        ComponentSampleModel csm = (ComponentSampleModel)sm;

        if (csm.getPixelStride() != csm.getNumBands()) {
            return false;
        }

        int[] bandOffsets = csm.getBandOffsets();
        for (int i = 0; i < bandOffsets.length; i++) {
            if (bandOffsets[i] != i) {
                return false;
            }
        }

        int[] bankIndices = csm.getBankIndices();
        for (int i = 0; i < bandOffsets.length; i++) {
            if (bankIndices[i] != 0) {
                return false;
            }
        }

        return true;
    }

    // Otherwise true if and only if it's a bilevel image with
    // a MultiPixelPackedSampleModel, 1 bit per pixel, and 1 bit
    // pixel stride.
    return ImageUtil.isBinary(sm);
}
 
Example 15
Source File: ByteInterleavedRaster.java    From TencentKona-8 with GNU General Public License v2.0 4 votes vote down vote up
/**
 * Constructs a ByteInterleavedRaster with the given SampleModel,
 * DataBuffer, and parent.  DataBuffer must be a DataBufferByte and
 * SampleModel must be of type SinglePixelPackedSampleModel
 * or InterleavedSampleModel.
 * 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 ByteInterleavedRaster(SampleModel sampleModel,
                              DataBuffer dataBuffer,
                              Rectangle aRegion,
                              Point origin,
                              ByteInterleavedRaster parent) {
    super(sampleModel, dataBuffer, aRegion, origin, parent);
    this.maxX = minX + width;
    this.maxY = minY + height;

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

    DataBufferByte dbb = (DataBufferByte)dataBuffer;
    this.data = stealData(dbb, 0);

    int xOffset = aRegion.x - origin.x;
    int yOffset = aRegion.y - origin.y;
    if (sampleModel instanceof PixelInterleavedSampleModel ||
        (sampleModel instanceof ComponentSampleModel &&
         isInterleaved((ComponentSampleModel)sampleModel))) {
        ComponentSampleModel csm = (ComponentSampleModel)sampleModel;
        this.scanlineStride = csm.getScanlineStride();
        this.pixelStride = csm.getPixelStride();
        this.dataOffsets = csm.getBandOffsets();
        for (int i = 0; i < getNumDataElements(); i++) {
            dataOffsets[i] += xOffset*pixelStride+yOffset*scanlineStride;
        }
    } else if (sampleModel instanceof SinglePixelPackedSampleModel) {
        SinglePixelPackedSampleModel sppsm =
                (SinglePixelPackedSampleModel)sampleModel;
        this.packed = true;
        this.bitMasks = sppsm.getBitMasks();
        this.bitOffsets = sppsm.getBitOffsets();
        this.scanlineStride = sppsm.getScanlineStride();
        this.pixelStride = 1;
        this.dataOffsets = new int[1];
        this.dataOffsets[0] = dbb.getOffset();
        dataOffsets[0] += xOffset*pixelStride+yOffset*scanlineStride;
    } else {
        throw new RasterFormatException("ByteInterleavedRasters must " +
          "have PixelInterleavedSampleModel, SinglePixelPackedSampleModel"+
          " or interleaved ComponentSampleModel.  Sample model is " +
          sampleModel);
    }
    this.bandOffset = this.dataOffsets[0];

    this.dbOffsetPacked = dataBuffer.getOffset() -
        sampleModelTranslateY*scanlineStride -
        sampleModelTranslateX*pixelStride;
    this.dbOffset = dbOffsetPacked -
        (xOffset*pixelStride+yOffset*scanlineStride);

    // Set inOrder to true if the data elements are in order and
    // have no gaps between them
    this.inOrder = false;
    if (numDataElements == pixelStride) {
        inOrder = true;
        for (int i = 1; i < numDataElements; i++) {
            if (dataOffsets[i] - dataOffsets[0] != i) {
                inOrder = false;
                break;
            }
        }
    }

    verify();
}
 
Example 16
Source File: ByteInterleavedRaster.java    From Bytecoder with Apache License 2.0 4 votes vote down vote up
/**
 * Constructs a ByteInterleavedRaster with the given SampleModel,
 * DataBuffer, and parent.  DataBuffer must be a DataBufferByte and
 * SampleModel must be of type SinglePixelPackedSampleModel
 * or InterleavedSampleModel.
 * 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 DataBufferByte 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 ByteInterleavedRaster(SampleModel sampleModel,
                             DataBufferByte dataBuffer,
                             Rectangle aRegion,
                             Point origin,
                             ByteInterleavedRaster parent)
{
    super(sampleModel, dataBuffer, aRegion, origin, parent);
    this.maxX = minX + width;
    this.maxY = minY + height;

    this.data = stealData(dataBuffer, 0);

    int xOffset = aRegion.x - origin.x;
    int yOffset = aRegion.y - origin.y;
    if (sampleModel instanceof PixelInterleavedSampleModel ||
        (sampleModel instanceof ComponentSampleModel &&
         isInterleaved((ComponentSampleModel)sampleModel))) {
        ComponentSampleModel csm = (ComponentSampleModel)sampleModel;
        this.scanlineStride = csm.getScanlineStride();
        this.pixelStride = csm.getPixelStride();
        this.dataOffsets = csm.getBandOffsets();
        for (int i = 0; i < getNumDataElements(); i++) {
            dataOffsets[i] += xOffset*pixelStride+yOffset*scanlineStride;
        }
    } else if (sampleModel instanceof SinglePixelPackedSampleModel) {
        SinglePixelPackedSampleModel sppsm =
                (SinglePixelPackedSampleModel)sampleModel;
        this.packed = true;
        this.bitMasks = sppsm.getBitMasks();
        this.bitOffsets = sppsm.getBitOffsets();
        this.scanlineStride = sppsm.getScanlineStride();
        this.pixelStride = 1;
        this.dataOffsets = new int[1];
        this.dataOffsets[0] = dataBuffer.getOffset();
        dataOffsets[0] += xOffset*pixelStride+yOffset*scanlineStride;
    } else {
        throw new RasterFormatException("ByteInterleavedRasters must " +
          "have PixelInterleavedSampleModel, SinglePixelPackedSampleModel"+
          " or interleaved ComponentSampleModel.  Sample model is " +
          sampleModel);
    }
    this.bandOffset = this.dataOffsets[0];

    this.dbOffsetPacked = dataBuffer.getOffset() -
        sampleModelTranslateY*scanlineStride -
        sampleModelTranslateX*pixelStride;
    this.dbOffset = dbOffsetPacked -
        (xOffset*pixelStride+yOffset*scanlineStride);

    // Set inOrder to true if the data elements are in order and
    // have no gaps between them
    this.inOrder = false;
    if (numDataElements == pixelStride) {
        inOrder = true;
        for (int i = 1; i < numDataElements; i++) {
            if (dataOffsets[i] - dataOffsets[0] != i) {
                inOrder = false;
                break;
            }
        }
    }

    verify();
}
 
Example 17
Source File: LCMSImageLayout.java    From TencentKona-8 with GNU General Public License v2.0 4 votes vote down vote up
public static LCMSImageLayout createImageLayout(Raster r) {
    LCMSImageLayout l = new LCMSImageLayout();
    if (r instanceof ByteComponentRaster &&
            r.getSampleModel() instanceof ComponentSampleModel) {
        ByteComponentRaster br = (ByteComponentRaster)r;

        ComponentSampleModel csm = (ComponentSampleModel)r.getSampleModel();

        l.pixelType = CHANNELS_SH(br.getNumBands()) | BYTES_SH(1);

        int[] bandOffsets = csm.getBandOffsets();
        BandOrder order = BandOrder.getBandOrder(bandOffsets);

        int firstBand = 0;
        switch (order) {
            case INVERTED:
                l.pixelType |= DOSWAP;
                firstBand  = csm.getNumBands() - 1;
                break;
            case DIRECT:
                // do nothing
                break;
            default:
                // unable to create the image layout;
                return null;
        }

        l.nextRowOffset = br.getScanlineStride();
        l.nextPixelOffset = br.getPixelStride();

        l.offset = br.getDataOffset(firstBand);
        l.dataArray = br.getDataStorage();
        l.dataType = DT_BYTE;

        l.width = br.getWidth();
        l.height = br.getHeight();

        if (l.nextRowOffset == l.width * br.getPixelStride()) {
            l.imageAtOnce = true;
        }
        return l;
    }
    return null;
}
 
Example 18
Source File: LCMSImageLayout.java    From hottub with GNU General Public License v2.0 4 votes vote down vote up
public static LCMSImageLayout createImageLayout(Raster r) {
    LCMSImageLayout l = new LCMSImageLayout();
    if (r instanceof ByteComponentRaster &&
            r.getSampleModel() instanceof ComponentSampleModel) {
        ByteComponentRaster br = (ByteComponentRaster)r;

        ComponentSampleModel csm = (ComponentSampleModel)r.getSampleModel();

        l.pixelType = CHANNELS_SH(br.getNumBands()) | BYTES_SH(1);

        int[] bandOffsets = csm.getBandOffsets();
        BandOrder order = BandOrder.getBandOrder(bandOffsets);

        int firstBand = 0;
        switch (order) {
            case INVERTED:
                l.pixelType |= DOSWAP;
                firstBand  = csm.getNumBands() - 1;
                break;
            case DIRECT:
                // do nothing
                break;
            default:
                // unable to create the image layout;
                return null;
        }

        l.nextRowOffset = br.getScanlineStride();
        l.nextPixelOffset = br.getPixelStride();

        l.offset = br.getDataOffset(firstBand);
        l.dataArray = br.getDataStorage();
        l.dataType = DT_BYTE;

        l.width = br.getWidth();
        l.height = br.getHeight();

        if (l.nextRowOffset == l.width * br.getPixelStride()) {
            l.imageAtOnce = true;
        }
        return l;
    }
    return null;
}
 
Example 19
Source File: ByteInterleavedRaster.java    From dragonwell8_jdk with GNU General Public License v2.0 4 votes vote down vote up
/**
 * Constructs a ByteInterleavedRaster with the given SampleModel,
 * DataBuffer, and parent.  DataBuffer must be a DataBufferByte and
 * SampleModel must be of type SinglePixelPackedSampleModel
 * or InterleavedSampleModel.
 * 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 ByteInterleavedRaster(SampleModel sampleModel,
                              DataBuffer dataBuffer,
                              Rectangle aRegion,
                              Point origin,
                              ByteInterleavedRaster parent) {
    super(sampleModel, dataBuffer, aRegion, origin, parent);
    this.maxX = minX + width;
    this.maxY = minY + height;

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

    DataBufferByte dbb = (DataBufferByte)dataBuffer;
    this.data = stealData(dbb, 0);

    int xOffset = aRegion.x - origin.x;
    int yOffset = aRegion.y - origin.y;
    if (sampleModel instanceof PixelInterleavedSampleModel ||
        (sampleModel instanceof ComponentSampleModel &&
         isInterleaved((ComponentSampleModel)sampleModel))) {
        ComponentSampleModel csm = (ComponentSampleModel)sampleModel;
        this.scanlineStride = csm.getScanlineStride();
        this.pixelStride = csm.getPixelStride();
        this.dataOffsets = csm.getBandOffsets();
        for (int i = 0; i < getNumDataElements(); i++) {
            dataOffsets[i] += xOffset*pixelStride+yOffset*scanlineStride;
        }
    } else if (sampleModel instanceof SinglePixelPackedSampleModel) {
        SinglePixelPackedSampleModel sppsm =
                (SinglePixelPackedSampleModel)sampleModel;
        this.packed = true;
        this.bitMasks = sppsm.getBitMasks();
        this.bitOffsets = sppsm.getBitOffsets();
        this.scanlineStride = sppsm.getScanlineStride();
        this.pixelStride = 1;
        this.dataOffsets = new int[1];
        this.dataOffsets[0] = dbb.getOffset();
        dataOffsets[0] += xOffset*pixelStride+yOffset*scanlineStride;
    } else {
        throw new RasterFormatException("ByteInterleavedRasters must " +
          "have PixelInterleavedSampleModel, SinglePixelPackedSampleModel"+
          " or interleaved ComponentSampleModel.  Sample model is " +
          sampleModel);
    }
    this.bandOffset = this.dataOffsets[0];

    this.dbOffsetPacked = dataBuffer.getOffset() -
        sampleModelTranslateY*scanlineStride -
        sampleModelTranslateX*pixelStride;
    this.dbOffset = dbOffsetPacked -
        (xOffset*pixelStride+yOffset*scanlineStride);

    // Set inOrder to true if the data elements are in order and
    // have no gaps between them
    this.inOrder = false;
    if (numDataElements == pixelStride) {
        inOrder = true;
        for (int i = 1; i < numDataElements; i++) {
            if (dataOffsets[i] - dataOffsets[0] != i) {
                inOrder = false;
                break;
            }
        }
    }

    verify();
}
 
Example 20
Source File: ImageUtil.java    From openjdk-8-source with GNU General Public License v2.0 4 votes vote down vote up
/**
 * Returns whether the image has contiguous data across rows.
 */
public static final boolean imageIsContiguous(RenderedImage image) {
    SampleModel sm;
    if(image instanceof BufferedImage) {
        WritableRaster ras = ((BufferedImage)image).getRaster();
        sm = ras.getSampleModel();
    } else {
        sm = image.getSampleModel();
    }

    if (sm instanceof ComponentSampleModel) {
        // Ensure image rows samples are stored contiguously
        // in a single bank.
        ComponentSampleModel csm = (ComponentSampleModel)sm;

        if (csm.getPixelStride() != csm.getNumBands()) {
            return false;
        }

        int[] bandOffsets = csm.getBandOffsets();
        for (int i = 0; i < bandOffsets.length; i++) {
            if (bandOffsets[i] != i) {
                return false;
            }
        }

        int[] bankIndices = csm.getBankIndices();
        for (int i = 0; i < bandOffsets.length; i++) {
            if (bankIndices[i] != 0) {
                return false;
            }
        }

        return true;
    }

    // Otherwise true if and only if it's a bilevel image with
    // a MultiPixelPackedSampleModel, 1 bit per pixel, and 1 bit
    // pixel stride.
    return ImageUtil.isBinary(sm);
}