Static Public Member Functions | |
| static void | registerCodecs (E_CompressionColorSpaceConversion pCompressionCSConversion=ECC_lossyYCbCr, E_UIDCreation pCreateSOPInstanceUID=EUC_default, OFBool pOptimizeHuffman=OFFalse, int pSmoothingFactor=0, int pForcedBitDepth=0, Uint32 pFragmentSize=0, OFBool pCreateOffsetTable=OFTrue, E_SubSampling pSampleFactors=ESS_444, OFBool pWriteYBR422=OFFalse, OFBool pConvertToSC=OFFalse, unsigned long pWindowType=0, unsigned long pWindowParameter=0, double pVoiCenter=0.0, double pVoiWidth=0.0, unsigned long pRoiLeft=0, unsigned long pRoiTop=0, unsigned long pRoiWidth=0, unsigned long pRoiHeight=0, OFBool pUsePixelValues=OFTrue, OFBool pUseModalityRescale=OFFalse, OFBool pAcceptWrongPaletteTags=OFFalse, OFBool pAcrNemaCompatibility=OFFalse, OFBool pRealLossless=OFTrue) |
| registers encoders for all supported JPEG processes. | |
| static void | cleanup () |
| deregisters encoders. | |
Static Private Attributes | |
| static OFBool | registered |
| flag indicating whether the encoders are already registered. | |
| static DJCodecParameter * | cp |
| pointer to codec parameter shared by all encoders | |
| static DJEncoderBaseline * | encbas |
| pointer to encoder for baseline JPEG | |
| static DJEncoderExtended * | encext |
| pointer to encoder for extended JPEG | |
| static DJEncoderSpectralSelection * | encsps |
| pointer to encoder for spectral selection JPEG | |
| static DJEncoderProgressive * | encpro |
| pointer to encoder for progressive JPEG | |
| static DJEncoderP14SV1 * | encsv1 |
| pointer to encoder for lossless SV1 JPEG | |
| static DJEncoderLossless * | enclol |
| pointer to encoder for lossless JPEG | |
Definition at line 47 of file djencode.h.
| static void DJEncoderRegistration::registerCodecs | ( | E_CompressionColorSpaceConversion | pCompressionCSConversion = ECC_lossyYCbCr, |
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| E_UIDCreation | pCreateSOPInstanceUID = EUC_default, |
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| OFBool | pOptimizeHuffman = OFFalse, |
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| int | pSmoothingFactor = 0, |
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| int | pForcedBitDepth = 0, |
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| Uint32 | pFragmentSize = 0, |
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| OFBool | pCreateOffsetTable = OFTrue, |
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| E_SubSampling | pSampleFactors = ESS_444, |
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| OFBool | pWriteYBR422 = OFFalse, |
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| OFBool | pConvertToSC = OFFalse, |
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| unsigned long | pWindowType = 0, |
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| unsigned long | pWindowParameter = 0, |
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| double | pVoiCenter = 0.0, |
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| double | pVoiWidth = 0.0, |
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| unsigned long | pRoiLeft = 0, |
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| unsigned long | pRoiTop = 0, |
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| unsigned long | pRoiWidth = 0, |
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| unsigned long | pRoiHeight = 0, |
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| OFBool | pUsePixelValues = OFTrue, |
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| OFBool | pUseModalityRescale = OFFalse, |
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| OFBool | pAcceptWrongPaletteTags = OFFalse, |
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| OFBool | pAcrNemaCompatibility = OFFalse, |
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| OFBool | pRealLossless = OFTrue | |||
| ) | [static] |
registers encoders for all supported JPEG processes.
If already registered, call is ignored unless cleanup() has been performed before.
| pCompressionCSConversion | color conversion mode for compression | |
| pCreateSOPInstanceUID | mode for SOP Instance UID creation | |
| pOptimizeHuffman | perform huffman table optimization for 8 bits/pixel compression? | |
| pSmoothingFactor | smoothing factor for image compression, 0..100 | |
| pForcedBitDepth | forced bit depth for image compression, 0 (auto) or 8/12/16 | |
| pFragmentSize | maximum fragment size (in kbytes) for compression, 0 for unlimited. | |
| pCreateOffsetTable | create offset table during image compression? | |
| pSampleFactors | subsampling mode for color image compression | |
| pWriteYBR422 | flag indicating whether a compressed YBR color stream should be marked as YBR_FULL or YBR_FULL_422 on DICOM level | |
| pConvertToSC | flag indicating whether image should be converted to Secondary Capture upon compression | |
| pWindowType | mode for VOI transformation of monochrome images | |
| pWindowParameter | parameter for VOI transform of monochrome images, used in modes 1, 2, 4, 6 | |
| pVoiCenter | VOI window center for mode 5 | |
| pVoiWidth | VOI window width for mode 5 | |
| pRoiLeft | Region of Interest left corner for for VOI transform of monochrome images, mode 7 | |
| pRoiTop | Region of Interest upper corner for for VOI transform of monochrome images, mode 7 | |
| pRoiWidth | Region of Interest width for for VOI transform of monochrome images, mode 7 | |
| pRoiHeight | Region of Interest height for for VOI transform of monochrome images, mode 7 | |
| pUsePixelValues | Check smallest and largest pixel value and optimize compression, mode 0 only | |
| pUseModalityRescale | Create Rescale Slope/Intercept to scale back to original pixel range, mode 0 only | |
| pAcceptWrongPaletteTags | Accept wrong palette attribute tags (only "pseudo lossless" encoder) | |
| pAcrNemaCompatibility | Accept old ACR-NEMA images without photometric interpretation (only "pseudo lossless" encoder) | |
| pRealLossless | Enables true lossless compression (replaces old "pseudo" lossless encoders) |
| static void DJEncoderRegistration::cleanup | ( | ) | [static] |
deregisters encoders.
Attention: Must not be called while other threads might still use the registered codecs, e.g. because they are currently encoding DICOM data sets through dcmdata.