'Declaration
 
Public Overloads Function Export( _
   ByVal Format As System.String, _
   ByVal Quality As System.Object _
) As System.Byte()

'Usage
 
Dim instance As DicomImage
Dim Format As System.String
Dim Quality As System.Object
Dim value() As System.Byte
 
value = instance.Export(Format, Quality)

public System.byte[] Export( 
   System.string Format,
   System.object Quality
)

public function Export( 
    Format: System.String;
    Quality: System.TObject
): System.array of Byte; 

public function Export( 
   Format : System.String,
   Quality : System.Object
) : System.byte[];

public: System.byte[]* Export( 
   System.string* Format,
   System.Object* Quality
) 

public:
System.array<byte>^ Export( 
   System.String^ Format,
   System.Object^ Quality
) 

Parameters

Format

The type of export operation to perform

Quality

The quality factor to be used. This is a generic compression quality depending on the Transfer Syntax used. This can be an integer that specifies the value stored in the System.Drawing.Imaging.EncoderParameter object for Bitmap export. This value for JPEG Baseline and JPEG Extended compression represents an integer between 0 – 100. This tells DicomObjects to set up the compressor to try to achieve the quality in percentage (higher quality value towards 100 means better quality and lower compression ratio). And for JPEG-LS Lossy and JPEG2000 Lossy compression this value is actually the desired compression ratio, i.e. if you set the quality value to 10, it tells DicomObjects to try to achieve compression ratio of 10. The actual compression ratio achieved will not be exactly the same as specified by quality value but close enough. The actual compression ratio is calculated based on the original data size and the compressed data size before it is added to “Lossy Image Compression Ratio” tag of the image. For Video compression, this value directly corresponds to the BitsPerSecond of the compressed video.

Return Value

Only JPEG and BMP/DIB formats are supported directly, but other formats such as TIF may be supported via deveoloper supplied codecs.

The following applies to JPEG file import:

The Format parameter must be JPEG or JPG

The following applies to DIB/BMP file export:

Data will be uncompressed.
If format is BMP, then a BMP file header is included at the start of the data. If type is DIB, then no header is included.
The Format parameter must be DIB or BMP

See for details of how to write and configure your own codecs.

Target Platforms: .NET CLR 4.8 or higher