Java Code Examples for javax.imageio.ImageReadParam#getSourceBands()

The following examples show how to use javax.imageio.ImageReadParam#getSourceBands() . 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: TIFFImageReader.java    From Bytecoder with Apache License 2.0 4 votes vote down vote up 
private void prepareRead(int imageIndex, ImageReadParam param)
        throws IOException {
    if (stream == null) {
        throw new IllegalStateException("Input not set!");
    }

    // A null ImageReadParam means we use the default
    if (param == null) {
        param = getDefaultReadParam();
    }

    this.imageReadParam = param;

    seekToImage(imageIndex);

    this.tileOrStripWidth = getTileOrStripWidth();
    this.tileOrStripHeight = getTileOrStripHeight();
    this.planarConfiguration = getPlanarConfiguration();

    this.sourceBands = param.getSourceBands();
    if (sourceBands == null) {
        sourceBands = new int[numBands];
        for (int i = 0; i < numBands; i++) {
            sourceBands[i] = i;
        }
    }

    // Initialize the destination image
    Iterator<ImageTypeSpecifier> imageTypes = getImageTypes(imageIndex);
    ImageTypeSpecifier theImageType
            = ImageUtil.getDestinationType(param, imageTypes);

    int destNumBands = theImageType.getSampleModel().getNumBands();

    this.destinationBands = param.getDestinationBands();
    if (destinationBands == null) {
        destinationBands = new int[destNumBands];
        for (int i = 0; i < destNumBands; i++) {
            destinationBands[i] = i;
        }
    }

    if (sourceBands.length != destinationBands.length) {
        throw new IllegalArgumentException(
                "sourceBands.length != destinationBands.length");
    }

    for (int i = 0; i < sourceBands.length; i++) {
        int sb = sourceBands[i];
        if (sb < 0 || sb >= numBands) {
            throw new IllegalArgumentException(
                    "Source band out of range!");
        }
        int db = destinationBands[i];
        if (db < 0 || db >= destNumBands) {
            throw new IllegalArgumentException(
                    "Destination band out of range!");
        }
    }
}
Example 2
Source File: TIFFImageReader.java    From openjdk-jdk9 with GNU General Public License v2.0 4 votes vote down vote up 
private void prepareRead(int imageIndex, ImageReadParam param)
        throws IOException {
    if (stream == null) {
        throw new IllegalStateException("Input not set!");
    }

    // A null ImageReadParam means we use the default
    if (param == null) {
        param = getDefaultReadParam();
    }

    this.imageReadParam = param;

    seekToImage(imageIndex);

    this.tileOrStripWidth = getTileOrStripWidth();
    this.tileOrStripHeight = getTileOrStripHeight();
    this.planarConfiguration = getPlanarConfiguration();

    this.sourceBands = param.getSourceBands();
    if (sourceBands == null) {
        sourceBands = new int[numBands];
        for (int i = 0; i < numBands; i++) {
            sourceBands[i] = i;
        }
    }

    // Initialize the destination image
    Iterator<ImageTypeSpecifier> imageTypes = getImageTypes(imageIndex);
    ImageTypeSpecifier theImageType
            = ImageUtil.getDestinationType(param, imageTypes);

    int destNumBands = theImageType.getSampleModel().getNumBands();

    this.destinationBands = param.getDestinationBands();
    if (destinationBands == null) {
        destinationBands = new int[destNumBands];
        for (int i = 0; i < destNumBands; i++) {
            destinationBands[i] = i;
        }
    }

    if (sourceBands.length != destinationBands.length) {
        throw new IllegalArgumentException(
                "sourceBands.length != destinationBands.length");
    }

    for (int i = 0; i < sourceBands.length; i++) {
        int sb = sourceBands[i];
        if (sb < 0 || sb >= numBands) {
            throw new IllegalArgumentException(
                    "Source band out of range!");
        }
        int db = destinationBands[i];
        if (db < 0 || db >= destNumBands) {
            throw new IllegalArgumentException(
                    "Destination band out of range!");
        }
    }
}