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Stored procedures
Modifies the lightness of an image in an Image variable.
Versions 17 and later
Linux This function is now available for WINDEV applications in Linux.
WEBDEV - Server codeLinux This function is now available for WEBDEV sites in Linux.
Linux Caution: A specific configuration is required to use this function in Linux. See The drawings for more details.
New in version 17
Linux This function is now available for WINDEV applications in Linux.
WEBDEV - Server codeLinux This function is now available for WEBDEV sites in Linux.
Linux Caution: A specific configuration is required to use this function in Linux. See The drawings for more details.
Linux This function is now available for WINDEV applications in Linux.
WEBDEV - Server codeLinux This function is now available for WEBDEV sites in Linux.
Linux Caution: A specific configuration is required to use this function in Linux. See The drawings for more details.
Example
MyImage is Image = "Test.gif"
// Change the lightness of the image found in IMG_Image1
MyImage.ModifyLightness(50)
 
Syntax
<Result> = <Image variable>.ModifyLightness(<Variation of lightness> [, <Destination image>])
<Result>: Boolean
  • True if the change was performed,
  • False otherwise.
<Image variable>: Image variable
Name of the Image variable to use
<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
    WEBDEV - Server codeWindowsLinux the name of an Image variable.
    New in version 17
    WEBDEV - Server codeWindowsLinux the name of an Image variable.
    WEBDEV - Server codeWindowsLinux the name of an Image variable.
    the name of an Image variable.
If this parameter is not specified, the transformation will be performed on <Image variable>
Component : wd250pnt.dll
Minimum version required
  • Version 24
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