IImageDecodeEventSink2 interface

  • Article

Exposes the method to support alpha channel transparency of Portable Network Graphics (PNG).

Members

The IImageDecodeEventSink2 interface inherits from IImageDecodeEventSink. IImageDecodeEventSink2 also has these types of members:

  • Methods

Methods

The IImageDecodeEventSink2 interface has these methods.

Method Description
IsAlphaPremultRequired

Called by the filter to determine whether to remove the opacity of a layer by premultiplying it against the palette colors.

 

Requirements

Minimum supported client

Windows XP

Minimum supported server

Windows 2000 Server

Header

 Ocmm.h

IDL

 Ocmm.idl