MImgSetLightness

Functions ››
Parent Previous Next

bOk = MImgSetLightness( hImage, nLightness, nContrast )

Increases/decreases an image's lightness and/or contrast.

Parameters
hImage
Number: Handle of the image

nLightness
Number: The lightness. Specify a value > 0 to lighten or < 0 to darken an image. 0 doesn't modify the lightness.

nContrast
Number: The contrast. Specify a value > 0 to increase or < 0 to decrease the contrast of an image. 0 doesn't modify the contrast.

Return
Boolean: TRUE if successful or FALSE if an error occurs

Example
In this example we increase the lightness and decrease the contrast of an image:

Call MImgSetLightness( hImage, 40, -40 )

Original

Lightened

 

Created with the Personal Edition of HelpNDoc: Full-featured EBook editor