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
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Minimum supported client | Windows 7, Windows Vista with SP2 and Platform Update for Windows Vista [desktop apps | Windows Store apps] |
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Minimum supported server | Windows Server 2008 R2, Windows Server 2008 with SP2 and Platform Update for Windows Server 2008 [desktop apps | Windows Store apps] |
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Header |
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Library |
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DLL |
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Build date: 11/29/2012
