Example usage for javax.imageio.stream ImageInputStream readLine

Introduction

In this page you can find the example usage for javax.imageio.stream ImageInputStream readLine.

Prototype

String readLine() throws IOException;

Source Link

Document

Reads the next line of text from the input stream.

Usage

From source file:ch5ImageReader.java

/**
 * this method sets the stream metadata for the images represented by the
 * ImageInputStream iis. This method is specific for the ch5 format and thus
 * only sets the numberImages field./* w  w w.  j a v a2 s.c o m*/
 */
private void setStreamMetadata(ImageInputStream iis) {
    streammd = new ch5StreamMetadata();
    try {
        String magicNumber = iis.readLine();
        int numImages = Integer.parseInt(iis.readLine().trim());
        streammd.numberImages = numImages;
        imagemd = new ch5ImageMetadata[streammd.numberImages];
    } catch (IOException exception) {
    }
}

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From source file:ch5ImageReader.java

/**
 * this method sets the image metadata for the image indexed by index
 * imageIndex. This method is specific for the ch5 format and thus only sets
 * the image width and image height//  w w  w.  j a  v  a 2 s.  c  om
 */
private void setImageMetadata(ImageInputStream iis, int imageIndex) {
    imagemd[imageIndex] = new ch5ImageMetadata();
    try {
        String s;
        s = iis.readLine();
        while (s.length() == 0)
            s = iis.readLine();
        imagemd[imageIndex].imageWidth = Integer.parseInt(s.trim());
        s = iis.readLine();
        imagemd[imageIndex].imageHeight = Integer.parseInt(s.trim());
    } catch (IOException exception) {
    }
}

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From source file:ch5ImageReaderSpi.java

/**
 * This method gets called when an application wants to see if the input
 * image's format can be decoded by this ImageReader. In this case, we'll
 * simply check the first byte of data to see if its a 5 which is the format
 * type's magic number// ww w.  j a  v  a  2 s . c o m
 */
public boolean canDecodeInput(Object input) {
    boolean reply = false;

    ImageInputStream iis = (ImageInputStream) input;
    iis.mark(); // mark where we are in ImageInputStream
    try {
        String magicNumber = iis.readLine().trim();
        iis.reset(); // reset stream back to marked location
        if (magicNumber.equals("5"))
            reply = true;
    } catch (IOException exception) {
    }
    return reply;
}

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