ID2D1RenderTarget::GetDpi method (d2d1.h)

Return the render target's dots per inch (DPI).

Syntax

void GetDpi(
  [out] FLOAT *dpiX,
  [out] FLOAT *dpiY
);

Parameters

[out] dpiX

Type: FLOAT*

When this method returns, contains the horizontal DPI of the render target. This parameter is passed uninitialized.

[out] dpiY

Type: FLOAT*

When this method returns, contains the vertical DPI of the render target. This parameter is passed uninitialized.

Return value

None

Remarks

This method indicates the mapping from pixel space to device-independent space for the render target.

For ID2D1HwndRenderTarget, the DPI defaults to the most recently factory-read system DPI. The default value for all other render targets is 96 DPI.

Requirements

See also

ID2D1RenderTarget