IDxtJpeg::get_ScaleX

  • 项目
 
Microsoft DirectShow 9.0

IDxtJpeg::get_ScaleX

The get_ScaleX method retrieves the amount by which the wipe is stretched horizontally.

Syntax

  HRESULT get_ScaleX(
    double *pVal
);

Parameters

pVal

[out, retval] Pointer to a variable that receives the amount by which the wipe is stretched horizontally, as a percentage of the original wipe definition. For example, the value 1.0 means no stretching, and 2.0 means 200% stretching.

Return Values

Returns an HRESULT value. Possible values include the following.

Value Description
E_POINTER NULL pointer argument
S_OK Success

Requirements

Header: Include Qedit.h. This header file is not compatible with Microsoft® Direct3D® headers later than version 7.

Library: Use strmiids.lib.

See Also