Examples of javax.imageio.stream.ImageInputStream.reset()

Class javax.imageio.stream.ImageInputStream

Examples of javax.imageio.stream.ImageInputStream.reset()

javax.imageio.stream.ImageInputStream.reset()
Returns the stream pointer to its previous position, including the bit offset, at the time of the most recent unmatched call to mark.
Calls to reset without a corresponding call to mark have no effect.
An IOException will be thrown if the previous marked position lies in the discarded portion of the stream. @exception IOException if an I/O error occurs.

                            // only assume that if APPE marker is present and colorspace is CMYK,
                            // the image is inverted.
                            appeFound = true;
                        }
                    } finally {
                        in.reset();
                    }
                    in.skipBytes(reclen);
                    break;
                default:
                    jpeg.skipCurrentMarkerSegment();

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                        firstException = null; //Clear exception after successful fallback attempt
                        break;
                    } catch (IIOException iioe) {
                        //ignore
                    }
                    imgStream.reset();
                } finally {
                    reader.dispose();
                }
            }
        } finally {

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                if (firstIOException == null) {
                    firstIOException = ioe;
                }
            } finally {
                reader.dispose();
                in.reset();
            }
        }
        
        if (iiometa == null) {
            if (firstIOException == null) {

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            final ImageInputStream in = getStorageAs(ImageInputStream.class);
            if (in != null) {
                in.mark();
                final byte[] buffer = new byte[MINIMAL_BUFFER_SIZE];
                final int n = in.read(buffer);
                in.reset();
                if (n >= 1) {
                    asByteBuffer = ByteBuffer.wrap(buffer).order(in.getByteOrder());
                    asByteBuffer.limit(n);
                    // Can't invoke asReadOnly() because 'prefetch()' need to be able to write in it.
                }

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                   && iis.read() == 'D'
                   && iis.read() == 'I'
                   && iis.read() == 'C'
                   && iis.read() == 'M'));
        } finally {
            iis.reset();
        }
    }


    @Override
    public ImageReader createReaderInstance(Object extension)

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                if (stream != null) {
                    stream.mark();
                }
                canDecode = spi.canDecodeInput(input);
                if (stream != null) {
                    stream.reset();
                }


                return canDecode;
            } catch (IOException e) {
                return false;

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                } catch (Throwable t) {
                }


            if (stream != null){
                try {
                    stream.reset();
                } catch (Throwable t) {
                }
                if (closeMe){
                    try {
                        stream.close();

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          }
          fireEvent(message.toString(),overallProgress);
          break;
        }
        final ImageReader reader = (ImageReader) it.next();
        stream.reset();
        stream.mark();
        // is it a geotiff reader or not?
        if(!reader.getFormatName().toLowerCase().startsWith("tif")){
                                    if (LOGGER.isLoggable(Level.INFO)) {
                                        LOGGER.info("Discarding input file "+files[fileBeingProcessed] + " since it is not a proper tif file.");

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          }
          fireEvent(message.toString(),
                  overallProgress);
          layout = Utils.createTiledLayout(tileW, tileH, 0, 0);
        }
        stream.reset();
        reader.reset();
        reader.dispose();


        //
        // output image stream

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        ImageInputStream stream = (ImageInputStream)input;
        byte[] b = new byte[6];
        stream.mark();
        stream.readFully(b);
        stream.reset();


        return b[0] == 'G' && b[1] == 'I' && b[2] == 'F' && b[3] == '8' &&
            (b[4] == '7' || b[4] == '9') && b[5] == 'a';
    }

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