Double-click the background layer on the layer panel to convert the current layer into the active layer (layer masks cannot be created on the background layer), and perform a series of edits on the mask to obtain the following special effects:
The mask at this time seems to play a temporary storage function for the layer information. It can be taken out at any time when needed, and can also be hidden at any time. According to this principle, when we remove part of the content on the layer, we can use a mask to cover up the unnecessary parts of the layer. If we find that we have removed the parts that should be retained in subsequent operations, we just need to Just fill the color on the layer mask with white, and there will be no regrets that cannot be returned due to misoperation, which greatly reduces repeated operations.
Let's look at the use of masks for image fusion through another example. We will select the flowers in Figure 1 and copy them to Figure 2 so that they blend together better.
First, we select the flowers in Figure 1 and copy them to Figure 2.