TCanvas.CopyMode

Indicates the raster operation used to combine pixel colors on the drawing surface.

Declaration

Source position: graphics.pp line 1181

Description

CopyMode is a TCopyMode property which contains the ternary raster operation used to combine pixel colors in region transfers. CopyMode contains values from constants defined for the raster operations, and includes:

cmBlackness

Fills the destination rectangle with the first color in the physical palette. (Black for the default palette).

cmDstInvert

Inverts colors in the destination rectangle.

cmMergeCopy

Merges colors from the source rectangle with the brush color.

cmMergePaint

Merges inverted colors from the source rectangle with the colors in the destination rectangle using an OR operation.

cmNotSrcCopy

Copies inverted colors from the source rectangle to the destination rectangle.

cmNotSrcErase

Combines the colors from the source and destination rectangles using an OR operation, and inverts the result.

cmPatCopy

Copies the brush into the destination rectangle.

cmPatInvert

Combines the brush colors with the colors in the destination rectangle using an XOR operation.

cmPatPaint

Combines the brush colors with the inverted colors from the source rectangle using an OR operation, and combines the result with the colors in the destination rectangle using an OR operation.

cmSrcAnd

Combines colors from the source and destination rectangles using an AND operation.

cmSrcCopy

Copies the source rectangle to the destination rectangle.

cmSrcErase

Combines the inverted colors in the destination rectangle with the colors from the source rectangle using an AND operation.

cmSrcInvert

Combines the colors in the source and destination rectangles using an XOR operation.

cmSrcPaint

Combines the colors in the source and destination rectangles using an OR operation.

cmWhiteness

Fills the destination rectangle using the second color in the physical palette. (White for the default palette).

The default value for the property is cmSrcCopy.

Copy mode constants are not provided for the CAPTUREBLT and NOMIRRORBITMAP values used in the Windows GDI API.