ImageGear for .NET
SpotlightsPreview Method
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ImageGear21.Processing.Advanced Assembly > ImageGear.Processing Namespace > ImGearEffects Class : SpotlightsPreview Method




page
Page to apply the effect to.
previewPage
Page to apply preview of the effect to.
lights
Array of objects specifying spotlight parameters.
darkenBy
Amount to darken the unilluminated area by. Value of 0.0 results in no darkening; value of 1.0 makes unilluminated area black.

Glossary Item Box

This method creates a reduced size preview for the Spotlights effect.

Syntax

 
Visual Basic
C#
Managed Extensions for C++
C++/CLI
 
 

Parameters

page
Page to apply the effect to.
previewPage
Page to apply preview of the effect to.
lights
Array of objects specifying spotlight parameters.
darkenBy
Amount to darken the unilluminated area by. Value of 0.0 results in no darkening; value of 1.0 makes unilluminated area black.

Remarks

This method creates a reduced size preview for the Spotlights method effect. It accepts the same parameters you would use for the full size image, so you don't have to recalculate them to account for the reduced size of the preview.

The spotlights effect darkens the image and highlights selected areas as if they are illuminated with a spotlight or sunlight.

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