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.

                            throw new ImageException("Unsupported ColorSpace for image "
                                        + info
                                        + ". The number of components supported are 1, 3 and 4.");
                        }
                    } finally {
                        in.reset();
                    }
                    in.skipBytes(reclen);
                    break;
                case APP2: //ICC (see ICC1V42.pdf)
                    in.mark();

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                                }
                                iccStream.write(buf);
                            }
                        }
                    } finally {
                        in.reset();
                    }
                    in.skipBytes(reclen);
                    break;
                case APPE: //Adobe-specific (see 5116.DCT_Filter.pdf)
                    in.mark();

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                            // 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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                default:
                    jpeg.skipCurrentMarkerSegment();
                }
            }
        } finally {
            in.reset();
        }


        ICC_Profile iccProfile = buildICCProfile(info, colorSpace, iccStream);
        if (iccProfile == null && colorSpace == null) {
            throw new ImageException("ColorSpace could not be identified for JPEG image " + info);

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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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                        "ImageLoader doesn't support multiple strips");
            }
            stripOffset = dir.getField(TIFFImageDecoder.TIFF_STRIP_OFFSETS).getAsLong(0);
            stripLength = dir.getField(TIFFImageDecoder.TIFF_STRIP_BYTE_COUNTS).getAsLong(0);
        } finally {
            in.reset();
        }


        in.seek(stripOffset);
        InputStream subin = new SubInputStream(ImageUtil.needInputStream(src), stripLength, true);
        if (fillOrder == 2) {

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            new JPEGDecoderAdapter(in).decode();
            retval = true;
        } catch (JPEGException e) {
            retval = false;
        }
        in.reset();


        return retval;
    }


    public ImageReader createReaderInstance(Object extension) {

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        i.mark();


        i.read();
        i.read();


        i.reset();
        h.check(i.getStreamPosition() == 4);


        // Test readBit().
        // We're currently at b[4], byte 0xac.
        h.check(i.readBit() == 1);

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        i.seek(17);
        h.check(i.getStreamPosition() == 17);
        i.mark();
        i.seek(49);
        h.check(i.getStreamPosition() == 49);
        i.reset();
        h.check(i.getStreamPosition() == 17);


        // Test skipBytes().
        i.setBitOffset(3);
        i.skipBytes(20);

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                        line = inputStream.readLine();
                    }
                    canDecode = line != null &&
                                line.indexOf("<svg") > -1;
                } finally {
                    inputStream.reset();
                }
            }
        }
        return canDecode;
    }

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