Examples of org.apache.xmlgraphics.image.codec.util.MemoryCacheSeekableStream

Package org.apache.xmlgraphics.image.codec.util

Examples of org.apache.xmlgraphics.image.codec.util.MemoryCacheSeekableStream

org.apache.xmlgraphics.image.codec.util.MemoryCacheSeekableStream
A subclass of SeekableStream that may be used to wrap a regular InputStream. Seeking backwards is supported by means of an in-memory cache. For greater efficiency, FileCacheSeekableStream should be used in circumstances that allow the creation of a temporary file.
The mark() and reset() methods are supported.
This class is not a committed part of the JAI API. It may be removed or changed in future releases of JAI.

public class CodecResourcesTest extends TestCase {


    public void testResources() throws Exception {


        InputStream in = new java.io.FileInputStream("test/images/barcode.eps");
        SeekableStream seekStream = new MemoryCacheSeekableStream(in);
        try {
            new PNGImage(seekStream, null);
            fail("Exception expected");
        } catch (RuntimeException re) {
            String msg = re.getMessage();

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public class CodecResourcesTest extends TestCase {


    public void testResources() throws Exception {


        InputStream in = new java.io.FileInputStream("test/images/barcode.eps");
        SeekableStream seekStream = new MemoryCacheSeekableStream(in);
        try {
            new PNGImage(seekStream, null);
            fail("Exception expected");
        } catch (RuntimeException re) {
            String msg = re.getMessage();

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    protected boolean loadDimensions() {
        if (seekableInput == null && inputStream != null) {
            try { 
                seekableInput = new FileCacheSeekableStream(inputStream);
            } catch (IOException ioe) {
                seekableInput = new MemoryCacheSeekableStream(inputStream);
            }
            try {
                this.bitsPerPixel = 8;
                cr = decodeImage(seekableInput);
                this.height = cr.getHeight();

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    protected boolean loadDimensions() {
        if (seekableInput == null && inputStream != null) {
            try { 
                seekableInput = new FileCacheSeekableStream(inputStream);
            } catch (IOException ioe) {
                seekableInput = new MemoryCacheSeekableStream(inputStream);
            }
            try {
                this.bitsPerPixel = 8;
                cr = decodeImage(seekableInput);
                this.height = cr.getHeight();

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        try {
            this.seekableInput = new FileCacheSeekableStream(
                    this.getInputStream());
        } catch (final IOException ioe) {
            this.seekableInput = new MemoryCacheSeekableStream(
                    this.getInputStream());
        }


        final TIFFDecodeParam param = new TIFFDecodeParam();
        final TIFFImage img = new TIFFImage(this.seekableInput, param, 0);

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        try {
            this.seekableInput = new FileCacheSeekableStream(
                    this.getInputStream());
        } catch (final IOException ioe) {
            this.seekableInput = new MemoryCacheSeekableStream(
                    this.getInputStream());
        }


        this.setBitDepth(PNGGraphic.DEFAULT_BIT_DEPTH);
        this.cr = decodeImage(this.seekableInput);

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Related Classes of org.apache.xmlgraphics.image.codec.util.MemoryCacheSeekableStream

org.apache.fop.image.XmlGraphicsCommonsImage

org.apache.xmlgraphics.image.codec.png.CodecResourcesTest

org.foray.graphic.PNGGraphic

org.foray.graphic.TIFFGraphic

java.io.IOException

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