GrayScale
The GrayScale method performs the grayscaling of image in the current (selected) imagespace.
Grayscale
[startX][,startY][,Width][,Height]
Parameters
-
startX
-
Optional. Specifies horizontal coordinate of top left corner of bounding rectangle.
The default value is 0.
-
startY
-
Optional. Specifies vertical coordinate of top left corner of bounding rectangle.
The default value is 0.
-
Width
-
Optional. Specifies width of bounding rectangle. The default value is width of imagespace.
-
Height
-
Optional. Specifies height of bounding rectangle. The default value is height of imagespace.
Remarks
If you create a paletted image (GIF, paletted PNG) after grayscaling then possibly you need to call the BuildPalette
method just before GifImage or PngImage.