Developer Documentation

QuickTime 4 API Documentation

Inside Macintosh: QuickTime

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Image Compression Manager Reference

This section describes all of the Image Compression Manager functions and data structures. The Image Compression Manager provides a rich and varied set of functions that allow your application to work with compressed image data. This discussion has been divided into the following sections:

Data Types

The Image Description Structure

The Compressor Information Structure

The Compressor Name Structure

The Compressor Name List Structure

Compression Quality Constants

Image Compression Manager Function Control Flags

Image Compression Manager Functions

Getting Information About Compressor Components

Getting Information About Compressed Data

Working With Images

Working With Pictures and PICT Files

Making Thumbnail Pictures

Working With Sequences

Changing Sequence-Compression Parameters

Constraining Compressed Data

Changing Sequence-Decompression Parameters

Working With the StdPix Function

Aligning Windows

Working With Graphics Devices and Graphics Worlds

Application-Defined Functions

Data-Loading Functions

Data-Unloading Functions

Progress Functions

Completion Functions

Alignment Functions


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