To sharpen all unmasked paint on an image layer

1. Select the image layer you want to sharpen.

   See Select an image layer.

2. Choose Paint Edit > Layer Effect > Sharpen Layer.
   Note

   To set the amount of sharpening, choose Paint Edit > Layer Effect > Sharpen Layer ❒ to open the Sharpen Layer Options box and adjust the Sharpness from 0 (no sharpening) to 10 (maximum sharpening). To set the extent that each pixel is sharpened, set the Strength from 0 to 4.

To sharpen paint by brushing

1. Select the image layer you want to sharpen paint on.

   See Select an image layer.

2. Choose Paint > Effectbrush > Sharpen Brush.
3. Drag the stylus on the area of the image layer you want to sharpen.
   Note

   To set the amount of sharpening, open the Brush Options window (for example, choose Paint > Effectbrush > Sharpen Brush ❒) and adjust the Sharpness from 0 (no sharpening) to 10 (maximum sharpening). To set the extent that each pixel is sharpened, set the Sharpen Strength from 0 to 4.

   Tip

   You can use any brush as a sharpen brush by setting Brush Mode to Sharpen in the Brush Options window.