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Chapter 4 - Image Compressor Components / Image Compressor Components Reference

Image Compression Manager Utility Functions /

CountImageDescriptionExtensionType

The CountImageDescriptionExtensionType function counts the number of image description extensions in a specified image description structure.

pascal OSErr CountImageDescriptionExtensionType
                                    (ImageDescription **desc,
                                     long type, long *count);

desc

Contains a handle to the image description structure with the extensions to be counted.

type

Indicates the type of extension to be counted in the specified image description structure. Set the value of this parameter to 0 to match any extension, and return a count of all of the extensions.

count

Contains a pointer to an integer that indicates how many extensions of the given type are in the given image description structure.

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