dModifyHSL (Function)

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dModifyHSL (Function)

In french: dModifieTSL

Modifies the hue, the saturation and the lightness of an image found:

in an Image control,
Versions 17 and later
in an Image variable.
New in version 17
in an Image variable.
in an Image variable. in an Image variable.

Example

// Changes the hue, the lightness and the saturation
// of the image found in the IMG_Image1 control
dModifyHSL(IMG_Image1, 50, 50, 50)

Syntax

<Result> = dModifyHSL(<Source image> , <Variation of hue> , <Variation of saturation> , <Variation of lightness> [, <Destination image>])

<Result>: Boolean

True if the change was performed,
False otherwise.

<Source image>: Character string (with or without quotes) or Image variable

Image to use. This image can correspond to:
the name of an Image control.
Versions 17 and later
the name of an Image variable.
New in version 17
the name of an Image variable.
the name of an Image variable. the name of an Image variable.

<Variation of hue>: Integer

Value included between -360 and +360. This value will be added to the current hue of each pixel to get a new hue.

<Variation of saturation>: Integer

Value included between -100 and +100. This value will be added to the current saturation of each pixel to get a new saturation.

<Variation of lightness>: Integer

Value included between -100 and +100. This value will be added to the current lightness of each pixel to get a new lightness.

<Destination image>: Optional character string (with or without quotes) or Image variable

Image where the transformed image will be drawn. This image can correspond to:
the name of an Image control.
Versions 17 and later
the name of an Image variable.
New in version 17
the name of an Image variable.
the name of an Image variable. the name of an Image variable.
If this parameter is not specified, the transformation will be performed on the <Source image>.

Remarks

Related Examples:

Unit examples (WINDEV): Modifying the Hue, Saturation and Lightness

[ + ] Process on the images via the WLanguage dModifyHSL function.
This function is used to modify the hue, the saturation and the lightness of an image.

Component : wd250pnt.dll