Figure 10.78. The Transparency submenu of the Layer menu
The Transparency submenu of the Layers menu contains operations that use or affect the alpha channel of the active layer.
You can accede to it via Layer->Transparency.
Section 10.37, “ Add Alpha Channel ”
Section 10.40, “ Threshold Alpha ”
Section 10.38, “ Color to Alpha ”
Section 10.39, “ Semi-flatten ”
Section 10.41, “ Alpha to Selection ”
Section 10.42, “ Add to Selection ”
Section 10.43, “ Subtract from Selection ”
Section 10.44, “ Intersect with Selection ”