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Paint Shop Pro can combine two images into a third image. The new image is the product of the color data from the two source images. The color data from the two images is combined on a pixel-by-pixel basis according to the function you select.

To combine two images:

Open the two images you want to combine.

Choose Image > Arithmetic to open the Image Arithmetic dialog.

Choose an image for Image #1 from the drop-down list. The size of Image #1 determines the size of the new image.

Choose an image for Image #2 from the drop-down list.

From the Function group box, select a method for combining the images:

Add Image 1 Value + Image 2 Value

Subtract Image 1 Value - Image 2 Value

Multiply Image 1 Value x Image 2 Value

Difference Absolute Value of (Image 1 Value - Image 2 Value)

Lightest Maximum of (Image 1 Value, Image 2 Value)

Darkest Minimum of (Image 1 Value, Image 2 Value)

Average (Image 1 value + Image 2 Value)/2

OR Binary Or

AND Binary And

XOR Binary And/Or

From the Channel group box, select the color channel from each image to use for combination. Mark the All channels check box to use all the color channels in both images. This will produce a 24-bit image.

In the Modifiers group box, choose modifier options. The modifiÂ*ers are applied to the color values produced by the Function and the Channel selections.

Divisor This number is used to divide the color values. It can reduce the effects of the other selections.

Bias This number shifts each color value by a fixed amount. The number is added to the color value produced by the Function, Channel, and Divisor selections.

Clip color values This check box determines how Paint Shop Pro handles final color values greater than 255 and less than 0.

Clip Color Values
Value less than 0
Value more than 255

Marked
Value = 0
Value = 255

Cleared
Value = Value + 256
Value = Value - 256


Click OK