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Copy Mode Constants

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This topic lists all copy mode constants that can be used within VCL.


Constant Description
cmBlackness Graphics.TCopyMode value : fills the destination rectangle on the canvas with black.
cmDstInvert Graphics.TCopyMode value : inverts the image on the canvas and ignores the source.
cmMergeCopy Graphics.TCopyMode value : combines the image on the canvas and the source bitmap by using the Boolean AND operator.
cmMergePaint Graphics.TCopyMode value : combines the inverted source bitmap with the image on the canvas by using the Boolean OR operator.
cmNotSrcCopy Graphics.TCopyMode value : copies the inverted source bitmap to the canvas.
cmNotSrcErase Graphics.TCopyMode value : combines the image on the canvas and the source bitmap by using the Boolean OR operator, and inverts the result.
cmPatCopy Graphics.TCopyMode value : copies the source pattern to the canvas.
cmPatInvert Graphics.TCopyMode value : combines the source pattern with the image on the canvas using the Boolean XOR operator.
cmPatPaint Graphics.TCopyMode value : combines the inverted source bitmap with the source pattern by using the Boolean OR operator. Combines the result of this operation with the image on the canvas by using the Boolean OR operator.
cmSrcAnd Graphics.TCopyMode value : combines the image on the canvas and source bitmap by using the Boolean AND operator.
cmSrcCopy Graphics.TCopyMode value : copies the source bitmap to the canvas.
cmSrcErase Graphics.TCopyMode value : inverts the image on the canvas and combines the result with the source bitmap by using the Boolean AND operator.
cmSrcInvert Graphics.TCopyMode value : combines the image on the canvas and the source bitmap by using the Boolean XOR operator.
cmSrcPaint Graphics.TCopyMode value : combines the image on the canvas and the source bitmap by using the Boolean OR operator.
cmWhiteness Graphics.TCopyMode value : fills the destination rectangle on the canvas with white.


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