ID2D1Geometry::ComputeArea(constD2D1_MATRIX_3X2_F&,FLOAT*) method (d2d1.h)
Computes the area of the geometry after it has been transformed by the specified matrix and flattened using the default tolerance.
Syntax
HRESULT ComputeArea(
const D2D1_MATRIX_3X2_F & worldTransform,
FLOAT *area
);
Parameters
worldTransform
Type: [in] const D2D1_MATRIX_3X2_F &
The transform to be applied to this geometry before computing its area.
area
Type: [out] FLOAT*
When this method returns, area contains a pointer to the area of the transformed, flattened version of this geometry. You must allocate storage for this parameter.
Return value
Type: HRESULT
If this method succeeds, it returns S_OK. Otherwise, it returns an HRESULT error code.
Requirements
Requirement | Value |
---|---|
Minimum supported client | Windows 7, Windows Vista with SP2 and Platform Update for Windows Vista [desktop apps | UWP apps] |
Minimum supported server | Windows Server 2008 R2, Windows Server 2008 with SP2 and Platform Update for Windows Server 2008 [desktop apps | UWP apps] |
Target Platform | Windows |
Header | d2d1.h |
Library | D2d1.lib |
DLL | D2d1.dll |