ContrastBrightIntensity method (Main Control)

C++ Builder example

Delphi example

 

Builder Syntax

int ContrastBrightIntensity (int nContrast, int nBrightness, int nIntensity);

Delphi Syntax

Function ContrastBrightIntensity (nContrast: L_INT; nBrightness: L_INT; nIntensity: L_INT): L_INT;

Overview

Refer to Changing Brightness and Contrast

Remarks

(Raster Pro and above toolkits) Applies contrast, brightness and intensity adjustments to enhance the image tonal range.

This method supports 12 and 16-bit grayscale and 48 and 64-bit color images. Support for 12 and 16-bit grayscale and 48 and 64-bit color images is available only in the Document/Medical toolkits. It also can process the whole image or a region of the image. If a bitmap has a region, the effect is applied only to the region.

The transformations are applied in this order: Contrast, Brightness then Intensity. Were the three methods to be called separately, then after each method was applied, calculated values less than 0 and more than 255 (for 8 bits per component for example) would be changed to 0 and 255 respectively. Using this method, the values are accumulative and the final result would be clamped. In addition, this method is faster than calling each method separately.

See Also

Elements:

Contrast method, Intensity method, Saturation method, Sharpen method, Posterize method, Mosaic method, Emboss method, Median method, AddNoise method, IntensityDetect method, SpatialFilter method, BinaryFilter method, MaxFilter method, MinFilter method, Oilify method, Solarize method, WindowLevel method, ColorLevel method, AutoColorLevel method, SelectData method, ColorizeGray method

Topics:

Raster Images: Modifying Intensity Values