IPixEngine5::LoadHistogramAsync method

An asynchronous request to load histogram data.

Syntax

HRESULT LoadHistogramAsync(
   UINT                       textureId,
   PixEngineTextureSliceIndex sliceIndex,
   int                        formatOverride,
   BSTR                       histogramDataFileName,
   IPixEngine5Callbacks*      callbacks,
   DWORD                      requestCookie,
   DWORD                      progressIntervalMsecs
);

Parameters

textureId
The ID of the texture to load histogram data for.

sliceIndex
The index of the slice to load histogram data for.

formatOverride
Specifies the format override.

histogramDataFileName
A COM string containing the name of the histogram data file.

callbacks
The address of an object that provides the IPixEngine5 callbacks interface.

requestCookie
A cookie that uniquely identifies the request, and can be used to signal for it to be cancelled.

progressIntervalMsecs
Not used.

Return value

If this method succeeds, it returns S_OK. Otherwise, it returns an HRESULT error code.

Requirements

Header

Vspixengine.h

See also

IPixEngine5