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RasterOperation Property

Summary

Gets or sets the ROP value.

Syntax

C++

public int RasterOperation {get; set;}

Public Property RasterOperation As Integer

public: 
property int RasterOperation { 
   int get(); 
   void set (    int ); 
}

Property Value

An integer value that represents the ROP value.

Remarks

Used only when PaintEngine is set to RasterPaintEngine.Gdi.

These codes define how the color data for the image is to be combined with the color data for the destination System.Drawing.Graphics to achieve the final color.

The following list shows some common raster operation codes:

Value	Description
SourceCopy	Copies the source rectangle directly to the destination rectangle
SourcePaint	Combines the colors of the source and destination rectangles by using the Boolean OR operator
SourceAnd	Combines the colors of the source and destination rectangles by using the Boolean AND operator
SourceInvert	Combines the colors of the source and destination rectangles by using the Boolean XOR operator
SourceErase	Combines the inverted colors of the destination rectangle with the colors of the source rectangle by using the Boolean AND operator
NotSourceCopy	Copies the inverted source rectangle to the destination
NotSourceErase	Combines the colors of the source and destination rectangles by using the Boolean OR operator and then inverts the resultant color
MergeCopy	Merges the colors of the source rectangle with the brush currently selected in hdcDest, by using the Boolean AND operator
MergePaint	Merges the colors of the inverted source rectangle with the colors of the destination rectangle by using the Boolean OR operator
PatternCopy	Copies the brush currently selected in hdcDest, into the destination bitmap
PatternPaint	Combines the colors of the brush currently selected in hdcDest, with the colors of the inverted source rectangle by using the Boolean OR operator. The result of this operation is combined with the colors of the destination rectangle by using the Boolean OR operator
PatternInvert	Combines the colors of the brush currently selected in hdcDest, with the colors of the destination rectangle by using the Boolean XOR operator
DestinationInvert	Inverts the destination rectangle
Blackness	Fills the destination rectangle using the color associated with index 0 in the physical palette. (This color is black for the default physical palette)