As with the healing brushes, the patch tool has to work with either the Background layer or a copied pixel layer. The patch tool Options bar is shown below in Figure 1. Once you have made a selection, select the patch tool to proceed to the next stage. However, you don’t actually need the patch tool to define the selection, because any selection tool or selection method can be used to prepare a patch selection. For example, you can hold down the Option/Alt key to temporarily convert the patch tool to become a polygonal lasso tool with which to draw straight line selection edges. When the patch tool is selected, it initially operates in a lasso selection mode that can be used to define the area to patch from or patch to. The patch tool uses the same complex algorithm as the healing brush to carry out its blend calculations, but the patch tool works with selection-defined areas instead of a brush.
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