Image blend and Canvas blend

Memento Pro offers two types of blending modes - Image blend and Canvas blend. Using these tools can eliminate the need to apply editing effects in other tools.  Effects added to images in Memento Pro are non-destructive to your original images, and you can always undo or reset the photo back to its original state.

Image blend applies effects directly to the image, as if it were interacting with an exact copy of itself. Canvas blend causes the selected image to interact with the images and colors directly beneath it. 

Image Blend 

To apply an image blend, select one or more images, then  then click on the Image Filter icon.  Click More Options if required to expose additional controls under the preset filters. You may need to scroll to the bottom of the Image effects list to find Image Blend. 

Click on the V to scroll through the list of available blending effects.

Use Image blend to darken, lighten, play with contrast, or achieve other effects without interacting with the image content behind the selected image. 

To refine the effect, use the mix slider to intensify or soften the effect.

Canvas blend 

To apply a canvas blend, select an image, then click on the General Image Attributes icon. Canvas blend options are available in a dropdown.
Use Canvas blend to make your image interact with textures, colors and contrasts beneath it.

Blending modes can be arranged into seven different categories:

• Darken modes:  Darken, multiply, color burn, linear burn, darker color
• Lighten modes: Lighten, screen, color dodge, linear dodge, lighter color
• Contrast modes; Overlay, soft light, hard light, vivid light, linear light, pin light, hard mix
• Comparative modes: Difference, exclusion
• Color/tint modes: Hue, saturation, color, luminosity
• Calculation modes: Average, add, subtract, negation, divide
• Creative modes: Reflect, phoenix, glow

Each category indicates how the top layer of the selection will interact with the bottom layer. For instance, in Darken modes, a comparison between dark and light pixels is made, and then a particular calculation is applied to determine how differences in the pixels (relative to color channels, contrasting edges, etc) will be displayed. 

For detailed information on how blending modes work, consult the following useful online article.