TIEBitmap.Alpha

Declaration

property Alpha[x, y: integer]: byte;

Description

Specifies the alpha value of a pixel. 0 is transparent, 255 is opaque, 1 - 254 are partially transparent.

Note:
◼This function doesn't perform a range check test
◼If AlphaLocation is iaAlphaChannel it returns the value from AlphaChannel
◼If AlphaLocation is iaRGBA it returns the value from the A channel of Pixels_ie32RGB

See Also

◼AlphaFill
◼AlphaFillRect

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