IImageDecodeEventSink2 interface
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
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
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Minimum supported client |
Windows XP |
|---|---|
|
Minimum supported server |
Windows 2000 Server |
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Header |
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IDL |
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