Gets the alpha value for pixel at given location
PixelAlpha(x as Integer,
y as Integer) as Integer
Parameters
- x
- The x-coordinate of the pixel.
- y
- The y-coordinate of the pixel.
Returns
- Integer
- The alpha value of the pixel.
Remarks
If the RawBitmap has no alpha channel then this getter / setter function does nothing.
This method has no meaningful result when using CMYK colorspace.
This method does nothing on 16bit per channel bitmaps.