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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 |