Creating a Custom Brush

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A custom brush is a rectangular portion of an image that you pick up and use like one of the Graphics editor’s ready-made brushes. All operations you can perform on a selection, you can perform on a custom brush as well.

To create a custom brush

1. Select the part of the image that you want to use for a brush. For more information, see Selecting and Using a Drawing Tool.
   
   
2. Press CTRL+B.

Pixels in a custom brush that match the current background color are normally transparent: they do not paint over the existing image. You can change this behavior so that background-color pixels paint over the existing image.

You can use the custom brush like a stamp or a stencil to create a variety of special effects.

To draw custom brush shapes in the background color

1. Select an opaque or transparent background. For more information, see Choosing Opaque and Transparent Backgrounds.
   
   
2. Set the background color to the color in which you want to draw.
   
   
3. Position the custom brush where you want to draw.
   
   
4. Click the right mouse button. Any opaque regions of the custom brush are drawn in the background color.

To double or halve the custom brush size

• Press the PLUS SIGN (+) key to double the brush size, or the MINUS SIGN ( – ) key to halve it.

To cancel the custom brush

• Press ESC or choose another drawing tool.