Premultiply or Unpremultiply¶
![kdenlive2304_effects-premultiply](../../../_images/kdenlive2304_effects-premultiply.webp)
Description
Multiply (or divide) each color component by the pixel’s alpha value.
Use this effect before any alpha effects if the result of your compositions using alpha has odd-looking colors.
Parameters
Parameter |
Value |
Description |
---|---|---|
unpremultiply |
Switch |
Whether to unpremultiply instead (default is On) |
Notes
For more details see this article by Nvidia about Alpha Blending.