D2D1ComputeMaximumScaleFactor function
Computes the maximum factor by which a given transform can stretch any vector.
Syntax
FLOAT D2D1ComputeMaximumScaleFactor(
_In_ const D2D1_MATRIX_3X2_F *matrix
);
Parameters
- matrix [in]
-
The input transform matrix.
Return value
The scale factor.
Remarks
Formally, if M is the input matrix, this method will return the maximum value of |V * M| / |V| for all vectors V, where |.| denotes length.
Requirements
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Minimum supported client |
Windows 8.1 [desktop apps | Windows Store apps] |
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Minimum supported server |
Windows Server 2012 R2 [desktop apps | Windows Store apps] |
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Minimum supported phone |
Windows Phone 8.1 [Windows Phone Silverlight 8.1 and Windows Runtime apps] |
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Header |
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Library |
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DLL |
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