TryGetUniformAlphaFromPixels Method
Attempts to obtain an uniform alpha value from the raster pixels.
public System.bool TryGetUniformAlphaFromPixels(
out System.float
)
Parameters
- alpha
- If all pixels have the same alpha value, this parameter stores the unfiorm alpha value as a floating point number in the range [0, 1]. If the alpha is not uniform this parameter is set to -1.0.
Return Value
Returns true if all pixels have the same alpha value, otherwise false.
Target Platforms: Windows 11, Windows 10, Windows 7, Windows Server 2019, Windows Server 2016, Windows Server 2012 R2, Windows Server 2012, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later)