Package com.pixelmed.dicom

Class CompressedFrameDecoder

  • public class CompressedFrameDecoder
extends java.lang.Object

    The CompressedFrameDecoder class implements decompression of selected frames in various supported Transfer Syntaxes once already extracted from DICOM encapsulated images.

    • Field Detail

      • haveProcessedMetaDataForFrameRequest

        protected boolean haveProcessedMetaDataForFrameRequest

      • haveJFIF

        protected boolean haveJFIF

      • haveAdobe

        protected boolean haveAdobe

      • areDownsampled

        protected boolean areDownsampled

      • areNumberedFromOneByOne

        protected boolean areNumberedFromOneByOne

    • Constructor Detail

      • CompressedFrameDecoder

        public CompressedFrameDecoder​(java.lang.String transferSyntaxUID,
                              int bytesPerSample,
                              int width,
                              int height,
                              int samples,
                              java.awt.color.ColorSpace colorSpace)
                       throws DicomException
        Throws:
        DicomException

      • CompressedFrameDecoder

        public CompressedFrameDecoder​(java.lang.String transferSyntaxUID,
                              int bytesPerSample,
                              int width,
                              int height,
                              int samples,
                              java.awt.color.ColorSpace colorSpace,
                              boolean photometricInterpretationIsYBR)
                       throws DicomException
        Throws:
        DicomException

      • CompressedFrameDecoder

        public CompressedFrameDecoder​(java.lang.String transferSyntaxUID,
                              ByteFrameSource compressedDataFrameSource,
                              int bytesPerSample,
                              int width,
                              int height,
                              int samples,
                              java.awt.color.ColorSpace colorSpace)
                       throws DicomException
        Throws:
        DicomException

      • CompressedFrameDecoder

        public CompressedFrameDecoder​(java.lang.String transferSyntaxUID,
                              ByteFrameSource compressedDataFrameSource,
                              int bytesPerSample,
                              int width,
                              int height,
                              int samples,
                              java.awt.color.ColorSpace colorSpace,
                              boolean photometricInterpretationIsYBR)
                       throws DicomException
        Throws:
        DicomException

      • CompressedFrameDecoder

        public CompressedFrameDecoder​(java.lang.String transferSyntaxUID,
                              byte[][] frames,
                              int bytesPerSample,
                              int width,
                              int height,
                              int samples,
                              java.awt.color.ColorSpace colorSpace)
                       throws DicomException
        Throws:
        DicomException

      • CompressedFrameDecoder

        public CompressedFrameDecoder​(java.lang.String transferSyntaxUID,
                              byte[][] frames,
                              int bytesPerSample,
                              int width,
                              int height,
                              int samples,
                              java.awt.color.ColorSpace colorSpace,
                              boolean photometricInterpretationIsYBR)
                       throws DicomException
        Throws:
        DicomException

    • Method Detail

      • scanForCodecs

        public static void scanForCodecs()

      • canDecompress

        public static boolean canDecompress​(java.io.File file)

        Returns a whether or not a DICOM file contains pixel data that can be decompressed using this class.

        Parameters:
        file - the file
        Returns:
        true if file can be decompressed using this class

      • canDecompress

        public static boolean canDecompress​(java.lang.String filename)

        Returns a whether or not a DICOM file contains pixel data that can be decompressed using this class.

        Parameters:
        filename - the file
        Returns:
        true if file can be decompressed using this class

      • getColorSpaceConvertedToRGBDuringDecompression

        public boolean getColorSpaceConvertedToRGBDuringDecompression()

        Returns a whether or not the color space will be converted to RGB during compression if it was YBR in the first place.

        Returns:
        true if RGB after compression

      • isStandardJPEGReader

        public static boolean isStandardJPEGReader​(javax.imageio.ImageReader reader)

      • isPixelMedLosslessJPEGReader

        public static boolean isPixelMedLosslessJPEGReader​(javax.imageio.ImageReader reader)

      • selectReaderFromCodecsAvailable

        public static javax.imageio.ImageReader selectReaderFromCodecsAvailable​(java.lang.String readerWanted,
                                                                        java.lang.String transferSyntaxUID,
                                                                        int bytesPerSample,
                                                                        java.util.Set<java.lang.String> blacklistedReaders)
                                                                 throws DicomException
        Throws:
        DicomException

      • selectReaderFromCodecsAvailable

        public static javax.imageio.ImageReader selectReaderFromCodecsAvailable​(java.lang.String readerWanted,
                                                                        java.lang.String transferSyntaxUID,
                                                                        int bytesPerSample)
                                                                 throws DicomException
        Throws:
        DicomException

      • doCommonConstructorStuff

        protected void doCommonConstructorStuff​(java.lang.String transferSyntaxUID,
                                        int bytesPerSample,
                                        int width,
                                        int height,
                                        int samples,
                                        java.awt.color.ColorSpace colorSpace)
                                 throws DicomException
        Throws:
        DicomException

      • doCommonConstructorStuff

        protected void doCommonConstructorStuff​(java.lang.String transferSyntaxUID,
                                        int bytesPerSample,
                                        int width,
                                        int height,
                                        int samples,
                                        java.awt.color.ColorSpace colorSpace,
                                        boolean photometricInterpretationIsKnown,
                                        boolean photometricInterpretationIsYBR)
                                 throws DicomException
        Throws:
        DicomException

      • getDecompressedFrameAsBufferedImage

        public java.awt.image.BufferedImage getDecompressedFrameAsBufferedImage​(int f)
                                                                 throws DicomException,
                                                                        java.io.IOException
        Throws:
        DicomException
        java.io.IOException

      • getDecompressedFrameAsBufferedImage

        public java.awt.image.BufferedImage getDecompressedFrameAsBufferedImage​(byte[] frameBytes)
                                                                 throws DicomException,
                                                                        java.io.IOException
        Throws:
        DicomException
        java.io.IOException

      • getDecompressedFrameAsBufferedImageUsingRLE

        public java.awt.image.BufferedImage getDecompressedFrameAsBufferedImageUsingRLE​(int f)
                                                                         throws DicomException,
                                                                                java.io.IOException
        Throws:
        DicomException
        java.io.IOException

      • getDecompressedFrameAsBufferedImageUsingRLE

        public java.awt.image.BufferedImage getDecompressedFrameAsBufferedImageUsingRLE​(byte[] frameBytes)
                                                                         throws DicomException,
                                                                                java.io.IOException
        Throws:
        DicomException
        java.io.IOException

      • getDecompressedFrameAsBufferedImageUsingImageReader

        public java.awt.image.BufferedImage getDecompressedFrameAsBufferedImageUsingImageReader​(int f)
                                                                                 throws DicomException,
                                                                                        java.io.IOException
        Throws:
        DicomException
        java.io.IOException

      • getDecompressedFrameAsBufferedImageUsingImageReader

        public java.awt.image.BufferedImage getDecompressedFrameAsBufferedImageUsingImageReader​(byte[] frameBytes)
                                                                                 throws DicomException,
                                                                                        java.io.IOException
        Throws:
        DicomException
        java.io.IOException

      • dispose

        public void dispose()
             throws java.lang.Throwable
        Throws:
        java.lang.Throwable