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ID2D1EffectContext::CreateOffsetTransform method

Creates and returns an offset transform.

Syntax

C++


HRESULT CreateOffsetTransform(
        D2D1_POINT_2L        offset,
  [out] ID2D1OffsetTransform **transform
);

Parameters

offset

Type: D2D1_POINT_2L

The offset amount.

transform [out]

Type: ID2D1OffsetTransform**

When this method returns, contains the address of a pointer to an offset transform object.

Return value

Type: HRESULT

The method returns an HRESULT. Possible values include, but are not limited to, those in the following table.

HRESULT	Description
S_OK	No error occurred.
E_OUTOFMEMORY	Direct2D could not allocate sufficient memory to complete the call.
E_INVALIDARG	An invalid parameter was passed to the returning function.

Remarks

An offset transform is used to offset an input bitmap without having to insert a rendering pass. An offset transform is automatically inserted by an Affine transform if the transform evaluates to a pixel-aligned transform.

Requirements

Minimum supported client	Windows 8 and Platform Update for Windows 7 [desktop apps \| Windows Store apps]
Minimum supported server	Windows Server 2012 and Platform Update for Windows Server 2008 R2 [desktop apps \| Windows Store apps]
Minimum supported phone	Windows Phone 8.1 [Windows Phone Silverlight 8.1 and Windows Runtime apps]
Header	D2D1EffectAuthor.h
Library	D2D1.lib