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

The following examples show how to use java.awt.image.ComponentSampleModel#getNumBands() . 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: ImageUtil.java    From openjdk-8 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 2
Source File: LCMSImageLayout.java    From openjdk-8-source 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) {
        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 3
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 4
Source File: ImageUtil.java    From jdk8u-jdk 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 5
Source File: LCMSImageLayout.java    From jdk8u-jdk 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 6
Source File: ImageUtil.java    From openjdk-jdk9 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 7
Source File: LCMSImageLayout.java    From openjdk-jdk9 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 8
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);
}
Example 9
Source File: LCMSImageLayout.java    From Bytecoder with Apache License 2.0 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 10
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 11
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 12
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 13
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 14
Source File: ImageUtil.java    From JDKSourceCode1.8 with MIT License 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: 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 16
Source File: LCMSImageLayout.java    From openjdk-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) {
        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 17
Source File: ImageUtil.java    From TencentKona-8 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 18
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 19
Source File: ImageUtil.java    From dragonwell8_jdk 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 20
Source File: LCMSImageLayout.java    From dragonwell8_jdk 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;
}