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Stored procedures
Blends two images together. This allows you to create fade-in effects between 2 images.
Example
MyWDPicImage is WDPic = "Test.gif"
// Declare the promotion image
MyPromoImage is Image = "PromoImage.png"
// Blend the promotion image in the product image with an opacity set to 80%
MyWDPicImage.AlphaBlend(MyPromoImage, 80)
IMG_MyDrawing = MyWDPicImage
Syntax
<Destination image>.AlphaBlend(<Source image> [, <Opacity>])
<Destination image>: WDPic variable
Name of the WDPic variable in which the blend must be performed. Only the background layer will be handled. For the blend, this image will be considered as the background image.
<Source image>: Image control or Image, WDPic or picLayer variable
Image to merge. This image can correspond to:
  • the name of an Image control.
  • the name of an Image variable.
  • Versions 25 and later
    WINDEVWEBDEV - Server code the name of a WDPic variable. Only the background layer will be handled.
    New in version 25
    WINDEVWEBDEV - Server code the name of a WDPic variable. Only the background layer will be handled.
    WINDEVWEBDEV - Server code the name of a WDPic variable. Only the background layer will be handled.
  • Versions 25 and later
    WINDEVWEBDEV - Server code the name of a picLayer variable.
    New in version 25
    WINDEVWEBDEV - Server code the name of a picLayer variable.
    WINDEVWEBDEV - Server code the name of a picLayer variable.
<Opacity>: Optional real
Percentage of opacity that must be applied to <Source image> before performing the blend (100% by default, no opacity is applied).
Remarks
  • The size of the destination image corresponds to the reference size.
  • <WDPic variable>.AlphaBlend performs the merge by keeping the alpha layer of the destination image. Therefore, the alpha layer of the source image is not used.
Component : wd260pnt.dll
Minimum version required
  • Version 25
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