Posterize method (ILEADRasterProcess)

Visual Basic example

Visual C++ 5.0 example

Delphi 4 example

C++ Builder example

 

Syntax

short Posterize (ILEADRaster *pRaster, short iLevels);

Overview

Refer to Applying Artistic Effects.

Remarks

Imposes a poster effect on the bitmap by quantizing the bitmap's colors to a specified number of color levels per plane. For example, two levels means two of red, two of green, and two of blue.

This method supports 12 and 16-bit grayscale images and 48 and 64-bit color images. Support for 12 and 16-bit grayscale images and 48 and 64-bit color images is available only in the Document/Medical toolkits.

This method does not support signed data images. It returns the error code ERROR_SIGNED_DATA_NOT_SUPPORTED if a signed data image is passed to this method.

This method supports signed images.

See Also

Topics:

Raster Images: Filtering Images

 

Raster Images: Where the Region Preempts the Bitmap