Package javax.imageio.stream

Examples of javax.imageio.stream.ImageInputStream

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        ArrayList<ShadedTriangle> list = new ArrayList<ShadedTriangle>();
        long maxSrcCoord = (long) Math.pow(2, bitsPerCoordinate) - 1;
        long maxSrcColor = (long) Math.pow(2, bitsPerColorComponent) - 1;
        COSStream cosStream = (COSStream) cosDictionary;

        ImageInputStream mciis = new MemoryCacheImageInputStream(cosStream.getUnfilteredStream());
        byte flag = (byte) 0;

        try
        {
            flag = (byte) (mciis.readBits(bitsPerFlag) & 3);
        }
        catch (EOFException ex)
        {
            LOG.error(ex);
        }

        while (true)
        {
            Vertex p0, p1, p2;
            Point2D[] ps;
            float[][] cs;
            int lastIndex;
            try
            {
                switch (flag)
                {
                    case 0:
                        p0 = readVertex(mciis, maxSrcCoord, maxSrcColor, rangeX, rangeY, colRange, ctm, xform);
                        flag = (byte) (mciis.readBits(bitsPerFlag) & 3);
                        if (flag != 0)
                        {
                            LOG.error("bad triangle: " + flag);
                        }
                        p1 = readVertex(mciis, maxSrcCoord, maxSrcColor, rangeX, rangeY, colRange, ctm, xform);
                        mciis.readBits(bitsPerFlag);
                        if (flag != 0)
                        {
                            LOG.error("bad triangle: " + flag);
                        }
                        p2 = readVertex(mciis, maxSrcCoord, maxSrcColor, rangeX, rangeY, colRange, ctm, xform);
                        ps = new Point2D[]
                        {
                            p0.point, p1.point, p2.point
                        };
                        cs = new float[][]
                        {
                            p0.color, p1.color, p2.color
                        };
                        list.add(new ShadedTriangle(ps, cs));
                        flag = (byte) (mciis.readBits(bitsPerFlag) & 3);
                        break;
                    case 1:
                        lastIndex = list.size() - 1;
                        if (lastIndex < 0)
                        {
                            LOG.error("broken data stream: " + list.size());
                        }
                        else
                        {
                            ShadedTriangle preTri = list.get(lastIndex);
                            p2 = readVertex(mciis, maxSrcCoord, maxSrcColor, rangeX, rangeY, colRange, ctm, xform);
                            ps = new Point2D[]
                            {
                                preTri.corner[1], preTri.corner[2], p2.point
                            };
                            cs = new float[][]
                            {
                                preTri.color[1], preTri.color[2], p2.color
                            };
                            list.add(new ShadedTriangle(ps, cs));
                            flag = (byte) (mciis.readBits(bitsPerFlag) & 3);
                        }
                        break;
                    case 2:
                        lastIndex = list.size() - 1;
                        if (lastIndex < 0)
                        {
                            LOG.error("broken data stream: " + list.size());
                        }
                        else
                        {
                            ShadedTriangle preTri = list.get(lastIndex);
                            p2 = readVertex(mciis, maxSrcCoord, maxSrcColor, rangeX, rangeY, colRange, ctm, xform);
                            ps = new Point2D[]
                            {
                                preTri.corner[0], preTri.corner[2], p2.point
                            };
                            cs = new float[][]
                            {
                                preTri.color[0], preTri.color[2], p2.color
                            };
                            list.add(new ShadedTriangle(ps, cs));
                            flag = (byte) (mciis.readBits(bitsPerFlag) & 3);
                        }
                        break;
                    default:
                        LOG.warn("bad flag: " + flag);
                        break;
                }
            }
            catch (EOFException ex)
            {
                break;
            }
        }
        mciis.close();
        return list;
    }
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                {
                // PDF spec 1.7 p.171:
                // Each sample value is represented as a sequence of BitsPerSample bits.
                // Successive values are adjacent in the bit stream;
                // there is no padding at byte boundaries.
                ImageInputStream mciis = new MemoryCacheImageInputStream(getPDStream().createInputStream());
                for (int i = 0; i < arraySize; i++)
                {
                    for (int k = 0; k < numberOfOutputValues; k++)
                    {
                        // TODO will this cast work properly for 32 bitsPerSample or should we use long[]?
                        samples[index][k] = (int) mciis.readBits(bitsPerSample);
                    }
                    index++;
                }
                mciis.close();
            }
            catch (IOException exception)
            {
                LOG.error("IOException while reading the sample values of this function.", exception);
            }
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     */
    public void testCreateFromRandomAccessMulti() throws IOException
    {
        String tiffPath = "src/test/resources/org/apache/pdfbox/pdmodel/graphics/image/ccittg4multi.tif";
       
        ImageInputStream is = ImageIO.createImageInputStream(new File(tiffPath));
        ImageReader imageReader = ImageIO.getImageReaders(is).next();
        imageReader.setInput(is);
        int countTiffImages = imageReader.getNumImages(true);
        assertTrue(countTiffImages > 1);
       
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        {
            throw new MissingImageReaderException("Cannot read JPEG image: " +
                    "a suitable JAI I/O image filter is not installed");
        }

        ImageInputStream iis = null;
        try
        {
            iis = ImageIO.createImageInputStream(stream);
            reader.setInput(iis);

            ImageIO.setUseCache(false);
            return reader.read(0);
        }
        finally
        {
            if (iis != null)
            {
                iis.close();
            }
            reader.dispose();
        }
    }
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        ArrayList<Patch> list = new ArrayList<Patch>();
        long maxSrcCoord = (long) Math.pow(2, bitsPerCoordinate) - 1;
        long maxSrcColor = (long) Math.pow(2, bitsPerColorComponent) - 1;
        COSStream cosStream = (COSStream) cosDictionary;

        ImageInputStream mciis = new MemoryCacheImageInputStream(cosStream.getUnfilteredStream());

        Point2D[] implicitEdge = new Point2D[4];
        float[][] implicitCornerColor = new float[2][numberOfColorComponents];

        byte flag = (byte) 0;

        try
        {
            flag = (byte) (mciis.readBits(bitsPerFlag) & 3);
        }
        catch (EOFException ex)
        {
            LOG.error(ex);
        }

        while (true)
        {
            try
            {
                boolean isFree = (flag == 0);
                Patch current = readPatch(mciis, isFree, implicitEdge, implicitCornerColor,
                        maxSrcCoord, maxSrcColor, rangeX, rangeY, colRange, ctm, xform, numP);
                if (current == null)
                {
                    break;
                }
                list.add((Patch) current);
                flag = (byte) (mciis.readBits(bitsPerFlag) & 3);
                switch (flag)
                {
                    case 0:
                        break;
                    case 1:
                        implicitEdge = current.getFlag1Edge();
                        implicitCornerColor = current.getFlag1Color();
                        break;
                    case 2:
                        implicitEdge = current.getFlag2Edge();
                        implicitCornerColor = current.getFlag2Color();
                        break;
                    case 3:
                        implicitEdge = current.getFlag3Edge();
                        implicitCornerColor = current.getFlag3Color();
                        break;
                    default:
                        LOG.warn("bad flag: " + flag);
                        break;
                }
            }
            catch (EOFException ex)
            {
                break;
            }
        }
        mciis.close();
        return list;
    }
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     * @return BufferedImage representation of the image
     *
     */
    public static BufferedImage bitmapToImage(InputStream is, String format) throws IOException {
        final ImageReader rdr = ImageIO.getImageReadersByFormatName(format).next();
        final ImageInputStream imageInput = ImageIO.createImageInputStream(is);
        rdr.setInput(imageInput);
        final BufferedImage image = rdr.read(0);
        is.close();
        return image;
    }
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     *
     */
    public static void imageToBitmap(BufferedImage image, String data, String format) throws IOException {
        final OutputStream inb = new FileOutputStream(data);
        final ImageWriter wrt = ImageIO.getImageWritersByFormatName(format).next();
        final ImageInputStream imageInput = ImageIO.createImageOutputStream(inb);
        wrt.setOutput(imageInput);
        wrt.write(image);
        inb.close();
    }
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        "http://www.rockstore.com.br/store/catalog/GV003_foto.jpg");
    image = ImageIO.read(url);

    System.out.println(image.toString());

    ImageInputStream iis = ImageIO.createImageInputStream(image);

  }
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  public void getPennerImage(String sURL) throws IOException {
    URL targetURL = new URL(sURL);
    URLConnection url = (URLConnection) targetURL.openConnection();
    setRequestProperties(url);
    InputStream is = url.getInputStream();
    ImageInputStream inStream = ImageIO.createImageInputStream(is);
    Iterator<ImageReader> readers = ImageIO.getImageReaders(inStream);
    ImageReader read = readers.next();
    while (readers.hasNext()) {
      read = readers.next();
    }
    read.setInput(inStream,true,true);
    Image bimage = read.read(0);

    File outfile = new File("gfx/Penner.jpg");
    ImageIO.write((RenderedImage) bimage, "jpg", outfile);

    is.close();
    inStream.close();
  }
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  public void getCaptchaImage(String sURL) throws IOException {
    URL targetURL = new URL(sURL);
    URLConnection url = (URLConnection) targetURL.openConnection();
    setRequestProperties(url);
    InputStream is = url.getInputStream();
    ImageInputStream inStream = ImageIO.createImageInputStream(is);
    Iterator<ImageReader> readers = ImageIO.getImageReaders(inStream);
    ImageReader read = readers.next();
    while (readers.hasNext()) {
      read = readers.next();
    }
    read.setInput(inStream,true,true);
    Image bimage = read.read(0);
       
    File outfile = new File("gfx/captcha.jpg");
    ImageIO.write((RenderedImage) bimage, "jpg", outfile);

    is.close();
    inStream.close();
  }
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