Examples of com.sun.media.imageioimpl.plugins.jpeg2000.J2KImageReadParamJava

Package com.sun.media.imageioimpl.plugins.jpeg2000

Examples of com.sun.media.imageioimpl.plugins.jpeg2000.J2KImageReadParamJava

com.sun.media.imageioimpl.plugins.jpeg2000.HeaderBox

A subclass of ImageReadParam for reading images in the JPEG 2000 format.

The decoding parameters for JPEG 2000 are listed below:

**JPEG 2000 Plugin Decoding Parameters**
Parameter Name	Description
decodingRate	Specifies the decoding rate in bits per pixel (bpp) where the number of pixels is related to the image's original size (Note: this parameter is not affected by `resolution`). The codestream is either parsed (default) or truncated depending `parsingEnabled`. The default is `Double.MAX_VALUE`. It means decoding with the encoding rate.
resolution	Specifies the resolution level wanted for the decoded image (0 means the lowest available resolution, the resolution level gives an image with the original dimension). If the given index is greater than the number of available resolution levels of the compressed image, the decoded image has the lowest available resolution (among all tile-components). This parameter affects only the inverse wavelet transform and not the number of bytes read by the codestream parser, which depends only on `decodingRate`.
noROIDescaling	Ensures that no ROI de-scaling is performed. Decompression is done like there is no ROI in the image.
parsingEnabled	Enable the parsing mode or not when the decoding rate is specified. If it is false, the codestream is decoded as if it were truncated to the given rate. If it is true, the decoder creates, truncates and decodes a virtual layer progressive codestream with the same truncation points in each code-block.

    public void readBitsPerComponentBox(int length)throws IOException {
        bitDepths = new byte[length];
        in.readFully(bitDepths, 0, length);


        if (metadata != null) {
            metadata.addNode(new BitsPerComponentBox(bitDepths));
        }
    }

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                    break;
                default:
                    if (metadata != null) {
                        byte[] data = new byte[length];
                        in.readFully(data, 0, length);
                        metadata.addNode(new Box(length + 8,
                                                 box,
                                                 longLength,
                                                 data));
                    }
                }

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     * */
    public void readIntPropertyBox(int length) throws IOException {
        if (metadata != null) {
            byte[] data = new byte[length];
            in.readFully(data, 0, length);
            metadata.addNode(new Box(length + 8, 0x6A703269, data));
        }
    }

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    }


    private void writeBox(IIOMetadataNode node) throws IOException {
        int type = Box.getTypeInt((String)Box.getAttribute(node, "Type"));
        int length = new Integer((String)Box.getAttribute(node, "Length")).intValue();
        Box box = Box.createBox(type, node);
        otherLength += length;
        stream.writeInt(length);
        stream.writeInt(type);
        byte[] data = box.getContent();
        stream.write(data, 0, data.length);
    }

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            channels[i] = in.readShort();
            cType[i] = in.readShort();
            associations[i] = in.readShort();
        }
        if (metadata != null) {
            metadata.addNode(new ChannelDefinitionBox(channels, cType, associations));
        }
    }

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            profile = ICC_Profile.getInstance(data);
        } else  // read EnumCS field
            colorSpaceType = in.readInt();


        if (metadata != null) {
            metadata.addNode(new ColorSpecificationBox(method, prec, approx,
                                                       colorSpaceType,
                                                       profile));
        }
    }

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            type[i] = in.readByte();
            maps[i] = in.readByte();
        }


        if (metadata != null) {
            metadata.addNode(new ComponentMappingBox(comps, type, maps));
        }
    }

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     */
    public void readURLBox(int length) throws IOException {
        if (metadata != null) {
            byte[] data = new byte[length];
            in.readFully(data, 0, length);
            metadata.addNode(new DataEntryURLBox(data));
        }
    }

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        }
        if(!foundComp)
            return false;


        if (metadata != null)
            metadata.addNode(new FileTypeBox(FT_BR, minorVersion, comp));


        return true;
    }

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        unknownColor = in.readByte();
        intelProp = in.readByte();


        if (metadata != null) {


            metadata.addNode(new HeaderBox(height, width, numComp, bitDepth,
                                           compressionType, unknownColor,
                                           intelProp));
        }
        return true;
    }

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com.sun.media.imageio.plugins.jpeg2000.J2KImageReadParam

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