图 15.100. The “Transparency” submenu of the “Layer” menu
The Transparency submenu contains commands which use or affect the alpha channel of the active layer.
You can access this submenu from the image menu bar through Layer → Transparency.
The Transparency submenu contains the following commands:
第 7.32 节 “Add Alpha Channel”
第 7.33 节 “Remove Alpha Channel”
第 7.34 节 “Color to Alpha”
第 7.35 节 “Semi-flatten”
第 7.36 节 “Threshold Alpha”
第 7.37 节 “Alpha to Selection”
第 7.38 节 “Add Alpha channel to Selection”
第 7.39 节 “Subtract from Selection”
第 7.40 节 “Intersect Alpha channel with Selection”
