Draws only the alpha channel of filled rectangle
FillRectAlpha(x as Integer,
y as Integer,
width as Integer,
height as Integer,
alpha as Integer)
Parameters
- x
- The x-coordinate of the top-left corner of the rectangle.
- y
- The y-coordinate of the top-left corner of the rectangle.
- width
- The width of the rectangle.
- height
- The height of the rectangle.
- alpha
- The alpha value to fill the rectangle with.
Remarks
If the RawBitmap has no alpha channel then this method does nothing.
This method has no meaningful result when using CMYK colorspace.
This method does nothing on 16bit per channel bitmaps.