D2D1MakeRotateMatrix function

Creates a rotation transformation that rotates by the specified angle about the specified point.

Syntax


void WINAPI D2D1MakeRotateMatrix(
  _In_   FLOAT angle,
  _In_   D2D1_POINT_2F center,
  _Out_  D2D1_MATRIX_3X2_F *matrix
);

Parameters

angle [in]

Type: FLOAT

The clockwise rotation angle, in degrees.

center [in]

Type: D2D1_POINT_2F

The point about which to rotate.

matrix [out]

Type: D2D1_MATRIX_3X2_F*

When this method returns, contains the new rotation transformation. You must allocate storage for this parameter.

Return value

This function does not return a value.

Remarks

Rotation occurs in the plane of the 2-D surface.

Requirements

Minimum supported client

Windows 7, Windows Vista with SP2 and Platform Update for Windows Vista [desktop apps | Windows Store apps]

Minimum supported server

Windows Server 2008 R2, Windows Server 2008 with SP2 and Platform Update for Windows Server 2008 [desktop apps | Windows Store apps]

Minimum supported phone

Windows Phone 8.1 [Windows Phone Silverlight 8.1 and Windows Runtime apps]

Header

D2d1.h

Library

D2d1.lib

DLL

D2d1.dll

 

 

Community Additions

ADD
Show:
© 2014 Microsoft