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Reference for unit 'Graphics' (#lcl)

DecColor

DecColor - decrease the component RGBs of a colour by the quantity specified (usually results in a darker colour overall)

Declaration

Source position: graphics.pp line 1885

function DecColor(

AColor: TColor;

AQuantity: Byte

`AColor`		`AColor` - the original colour for processing
`AQuantity`		`AQuantity` - the amount by which the colour is to be changed

Returns a copy of the original colour, decremented by a specified amount