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iOS Application Development with OpenCV 3 by Joseph Howse

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Planning the blending controls

We will add two more toolbar buttons, Blend Src and Blend Mode, to the lower-right corner of the app's main view. After launching LightWork, the user will see something like the following screenshot:

Planning the blending controls

When the user clicks on Blend Src, a standard image picker will appear, as shown in the following screenshot:

Planning the blending controls

After the user picks an image, the app's main view will reappear and the user will see a blend of the selected foreground image and background image. By default, the blending mode will be a simple average of the foreground ...

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