Example usage for javax.imageio.stream MemoryCacheImageInputStream MemoryCacheImageInputStream

Introduction

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

Prototype

public MemoryCacheImageInputStream(InputStream stream) 

Source Link

Document

Constructs a MemoryCacheImageInputStream that will read from a given InputStream .

Usage

From source file:org.olat.core.commons.services.image.spi.ImageHelperImpl.java

/**
 * //  w w w.j a v a  2 s.co m
 * @param leaf
 * @return
 */
private ImageInputStream getInputStream(VFSLeaf leaf) throws IOException {
    if (leaf == null) {
        return null;
    }
    if (leaf instanceof LocalFileImpl) {
        LocalFileImpl file = (LocalFileImpl) leaf;
        if (file.getBasefile() != null) {
            return new FileImageInputStream(file.getBasefile());
        }
        return null;
    }
    InputStream ins = leaf.getInputStream();
    if (ins == null) {
        return null;
    }
    return new MemoryCacheImageInputStream(leaf.getInputStream());
}

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From source file:org.opencastproject.videosegmenter.impl.jmf.ImageUtils.java

/**
 * Convers the frame buffer to a <code>BufferedImage</code>. This method returns <code>null</code> if the buffer
 * couldn't be created/* w w w.  j  a va  2  s. c o m*/
 * 
 * @param buf
 *          the buffer
 * @return a <code>BufferedImage</code>
 */
public static BufferedImage createImage(Buffer buf) throws IOException {
    InputStream is = new ByteArrayInputStream((byte[]) buf.getData());
    BufferedImage bufferedImage = ImageIO.read(new MemoryCacheImageInputStream(is));
    return bufferedImage;
}

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From source file:VASSAL.tools.io.IOUtilsTest.java

@Test
public void testCloseQuietlyImageInputStreamOpen() {
    final ImageInputStream in = new MemoryCacheImageInputStream(new NullInputStream(1000));

    IOUtils.closeQuietly(in);/*ww w .  jav  a2  s. c om*/

    try {
        in.close();
        fail();
    } catch (IOException e) {
        // This, oddly, the expected behavior of close().
    }
}

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From source file:VASSAL.tools.io.IOUtilsTest.java

@Test
public void testCloseQuietlyImageInputStreamClosed() throws IOException {
    final ImageInputStream in = new MemoryCacheImageInputStream(new ClosedInputStream());
    in.close();/*www.j a  v  a2 s  . c o  m*/

    IOUtils.closeQuietly(in);
}

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