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Stored procedures
Changes the lightness of an image found:
  • in an Image control,
  • Versions 17 and later
    WINDEV MobileiPhone/iPad in an Image variable.
    New in version 17
    WINDEV MobileiPhone/iPad in an Image variable.
    WINDEV MobileiPhone/iPad in an Image variable.
    in an Image variable.
Versions 16 and later
Android This function is now available for Android applications.
New in version 16
Android This function is now available for Android applications.
Android This function is now available for Android applications.
Versions 17 and later
Universal Windows 10 App This function is now available for Windows Phone applications.
iPhone/iPad This function is now available for iPhone/iPad applications.
New in version 17
Universal Windows 10 App This function is now available for Windows Phone applications.
iPhone/iPad This function is now available for iPhone/iPad applications.
Universal Windows 10 App This function is now available for Windows Phone applications.
iPhone/iPad This function is now available for iPhone/iPad applications.
Versions 21 and later
Universal Windows 10 App This function is now available in Universal Windows 10 App mode.
New in version 21
Universal Windows 10 App This function is now available in Universal Windows 10 App mode.
Universal Windows 10 App This function is now available in Universal Windows 10 App mode.
Example
// Change the lightness of the image found in IMG_Image1
dModifyLightness(IMG_Image1, 50)
Syntax
<Result> = dModifyLightness(<Source image> , <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
    WINDEV MobileiPhone/iPad the name of an Image variable.
    New in version 17
    WINDEV MobileiPhone/iPad the name of an Image variable.
    WINDEV MobileiPhone/iPad the name of an Image variable.
    the name of an Image variable.
<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>: Name of the Image control or variable
Image where the transformed image will be drawn. This image can correspond to:
  • the name of an Image control.
  • Versions 17 and later
    WINDEV MobileiPhone/iPad the name of an Image variable.
    New in version 17
    WINDEV MobileiPhone/iPad the name of an Image variable.
    WINDEV MobileiPhone/iPad 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
Component : wd250pnt.dll
Minimum version required
  • Version 10
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