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Stored procedures
Modifies the hue, the saturation and the lightness of an image found:
  • in an Image control,
  • 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.
  • 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.
  • the name of an Image variable.
If this parameter is not specified, the transformation will be performed on the <Source image>.
Remarks
Related Examples:
Modifying the Hue, Saturation and Lightness 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
Minimum version required
  • Version 10
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