The Halftone Screen effect renders an image as if it has been printed using a halftone screen. You can select from a variety
of standard screens.
Unlike digital halftone representations, this effect varies the element size smoothly to represent the continuous tones of
an image. The elements blend together like those created by an analog halftone screen.
By default, this effect produces a monochrome (gray-scale) image.
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Specifies the operator's name.
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Sets the opacity of the effect over the input image. A value of 0 makes the effect completely transparent, while a value of
100 makes it completely opaque.
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Uses the input image's alpha channel as a mask for applying the effect. The effect is fully applied to areas of the image
where the alpha channel is white, and not at all to areas where it is black.
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Enable the RGB and/or Alpha options to specify whether the effect is applied to the RGB channels, the Alpha channel, or both.
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Set higher values to make the elements larger, or set lower values to make them smaller.
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Click the Screen Type drop-down menu and select an option.
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Set higher values to increase the contrast in the image, or set lower values to decrease the contrast.
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Sets the color for background regions of the effect. Set a color using the sliders.
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Sets the color for foreground regions of the effect. Set a color using the sliders.
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