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}
]
}
}
}
Figure 6.26 shows the before and after effect on an image representing the flag
of Brazil.
Figure 6.26
Before and After Effects of Applying a DisplacementMap on an Image
The final two effects described in this chapter revolve primarily around the
manipulation of color. Because the publishing process converts images to gray-
scale, effectively defeating the intended outcome of these effects, we'll forego
furnishing sample images for this section.
SepiaTone
One such effect, called
SepiaTone
, can be used to simulate the look of a faded
antique photo. It includes a
level
instance variable that takes a value ranging
from 0 to 1 controlling the intensity of the effect. Using our original Statue of
Liberty image and applying a
SepiaTone
to it can be described as follows:
ImageView {
image: Image {
url: "{__DIR__}liberty.jpg"
}
effect: SepiaTone { level: .7 }
}
We suggest you create a simple example or two to get a feel for how this effect
might be used.
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