The Blend options are similar to the commands in the Processing menu. They use the RGB values of the cutout and those of the result image. Select a blend option from the Blend Mode box.
(a) Blend Mode box
- Blend
- Pastes the cutout onto the result image.
- Add
- Adds the RGB values of the corresponding pixels in the cutout and the result image. Values greater than 255 are clipped.
- Subtract
- Subtracts the RGB values of pixels in the image from those of the cutout. Values less than 0 are clipped.
- Black
- Pastes a black object in the shape of the cutout on the result image.
- White
- Pastes a white object in the shape of the cutout on the result image.
- Colour
- Pastes a coloured object in the shape of the cutout on the result image. The current colour is used for the object.
- NAdd Min
- Compares the brightness values of corresponding pixels in the cutout and the result image, and uses the pixel with the smaller value in the tacked down cutout.
- NAdd Max
- Compares the brightness values of corresponding pixels in the cutout and the result image, and uses the pixel with the greater value in the tacked down cutout.
- Multiply
- Multiplies the RGB values of corresponding pixels in the cutout and the result image. The value is normalized by dividing the result by 255.