Implementation of a JPEG plugin for the dcmimgle/dcmimage library.
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unsigned int | Quality |
| quality value (0..100, in percent), default: 75
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E_SubSampling | Sampling |
| (sub) sampling: ESS_444, ESS_422 (default), ESS_411
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Implementation of a JPEG plugin for the dcmimgle/dcmimage library.
static OFString DiJPEGPlugin::getLibraryVersionString |
( |
| ) |
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static |
get version information of the TIFF library.
Typical output format: "IJG, Version 6b 27-Mar-1998 (modified)"
- Returns
- name and version number of the TIFF library
void DiJPEGPlugin::outputMessage |
( |
void * |
arg | ) |
const |
callback function used to report IJG warning messages and the like.
Should not be called by user code directly.
- Parameters
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arg | opaque pointer to JPEG compress structure |
void DiJPEGPlugin::setQuality |
( |
const unsigned int |
quality | ) |
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set quality value for JPEG compression
- Parameters
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quality | quality value (0..100, in percent) |
set (sub) sampling for JPEG compression.
Only used for color images. ESS_444 means no sub-sampling, ESS_422 horizontal subsampling of chroma components and ESS_422 horizontal and vertical subsampling of chroma components.
- Parameters
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sampling | sampling (valid values: ESS_444, ESS_422 or ESS_411) |
virtual int DiJPEGPlugin::write |
( |
DiImage * |
image, |
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FILE * |
stream, |
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const unsigned long |
frame = 0 |
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) |
| const |
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virtual |
write given image to a file stream (JPEG format)
- Parameters
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image | pointer to DICOM image object to be written |
stream | stream to which the image is written (open in binary mode!) |
frame | index of frame used for output (default: first frame = 0) |
- Returns
- true if successful, false otherwise
Implements DiPluginFormat.
The documentation for this class was generated from the following file:
- dcmjpeg/include/dcmtk/dcmjpeg/dipijpeg.h