IDCompositionBrightnessEffect::SetBlackPoint method (dcomp.h)
Specifies the lower portion of the brightness transfer curve for the brightness effect.
Syntax
HRESULT SetBlackPoint(
[in, ref] const D2D1_VECTOR_2F & blackPoint
);
Parameters
[in, ref] blackPoint
Type: const D2D1_VECTOR_2F
The lower portion of the brightness transfer curve. The black point adjusts the appearance of the darker portions of the image. The vector is for both the x value and the y value, in that order. Each of the values must be between 0 and 1, inclusive.
Return value
Type: HRESULT
If this method succeeds, it returns S_OK. Otherwise, it returns an HRESULT error code.
Requirements
| Requirement | Value |
|---|---|
| Target Platform | Windows |
| Header | dcomp.h |
| Library | Dcomp.lib |
| DLL | Dcomp.dll |