The JPX file format is part of the JPEG 2000 standard and uses a hierarchical format to store several resolutions of the image in the same file without duplication. JPX files use a .jpx file extension. This wavelet-based image compression format is especially useful for document, medical, and satellite imagery archiving systems.
All LEADTOOLS Imaging, Document Imaging, and Medical Imaging toolkits can read/parse JPX files. LEADTOOLS Document and Medical Imaging toolkits also add support for writing/saving JPX files and manipulating JPX boxes, frames, GML Data, and other advanced JPX features.
For general information, refer to Compression Using LEAD and JPEG Formats. For instructions for implementing progressive formats, refer to Controlling Progressive Loads and Saves. JPEG and LEAD files can contain many comment fields of various types. Use the L_ReadFileComment function to read comments in an existing file. Before writing a file, use the L_SetComment function to create an array of comments to be saved in the file. You can use the L_DeleteComment function to delete a comment field from a file.
Please note that the LTCLR DLL is required for loading JPEG CMYK images and for loading and saving JPEG LAB images.
File constants associated with this file format are:
Constant | Read Support | Write Support | Description |
---|---|---|---|
FILE_JPX | 8, 12, 16 BPP (grayscale)24, 32, 48, 64 BPP (color) | 8, 12, 16 BPP (grayscale)24, 32, 48, 64 BPP (color) | [323] JPEG 2000 Extension (Part 2). |
Win32, x64.
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