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LEADTOOLS Raster imaging C++ Class library help

Enhanced Compressed Wavelet Format (ECW)

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The Enhanced Compressed Wavelet file format is a raster file format created by the ER Mapper Company.

The ECW format uses wavelet compression, which results in small, high quality image files that can be loaded and saved quickly. This format is supported by ER Viewer and Adobe Photoshop. LEADTOOLS uses the ECW SDK to compress and decompress ECW images. This SDK has the following two restrictions:

LEADTOOLS supports V2.0 of this file format.

The default extension used by this format is: ECW.

 

File constants associated with this file format are:

Constant

Read Support

Write Support

Description

FILE_ECW

24 BPP

24 BPP

[277] ER Mapper Enhanced Compressed Wavelet.

Required DLLs: LFECW.  For a listing of the exact DLLs needed, based on the toolkit version, refer to Files To Be Included With Your Application .  

This format does not support LEAD's redirected IO feature, therefore it cannot be used with LMemoryFile::LoadMemory, LMemoryFile::LoadMemoryTile, LMemoryFile::Save, or LFile::FeedLoad.

Platforms

Win32, x64.

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