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api:dk11:delphi:gisfilejpeg.tgis_jpegdecoder

TGIS_JPEGDecoder class

DK11 for Delphi | GisFileJPEG.TGIS_JPEGDecoder | Classes | Constructors | Methods | Properties

The Class which encapsulates JPEG decoder. A file of any size can be read.

Available also on: .NET | Java.

Syntax

// Delphi
type
  TGIS_JPEGDecoder = class( TGIS_ObjectDisposable )
  end;
// C++ Builder
class PASCALIMPLEMENTATION TGIS_JPEGDecoder : public TGIS_ObjectDisposable
{
};

Inheritance

→ TObject → TGIS_ObjectDisposable

Constructors

Inherited Overrides Protected
Name Visibility Description
Create public Create a decoder instance.

Methods

Inherited Overrides Protected
Name Visibility Description
Alive public Makes a decoder non-dormant.
DecodeLine public Reading an image line.
Dormant public Makes a decoder dormant.
Height public Returns JPEG height.
Initialize public Initialize JPEG.
LoadDefaultTables public Load default Huffman and quantization tables for abbreviated JPEGs.
LoadFromFile public Load JPEG from file.
LoadFromStream public Load JPEG from provided stream.
Reinitialize public Initialize JPEG.
SubFormatInfo public Returns JPEG subformat info.
Width public Returns JPEG width.

Properties

Inherited Protected
Name Visibility Description
ComponentsJpeg public JPEG components indicator.
DecodeMode public Mode of decoding indicator.
JpegInitialized public True if the JPEF file has been initialized.
JpegInTiff public JPEG in TIFF.
MemoryThreshold public Memory threshold.
Scale public Scale.

2020/05/07 01:07

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