Combines image data from two images, using a specific opacity value.

Note
These are the settings used for the creation of the after image:
Blend two images into one using transparency.
| Framework | Member |
|---|---|
| .NET | AlphaBlendCommand |
| .NET 6+ | AlphaBlendCommand |
| iOS / OS X | LTAlphaBlendCommand |
| Java | AlphaBlendCommand |
| C DLL | L_AlphaBlendBitmap |
| C++ Class Library | LBitmapBase::AlphaBlend |