ActionScript 2.0 Components Language Reference 
ActionScript 2.0 Components Language Reference |
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| TransitionManager class > About the transition-based classes > Iris transition | |||
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ActionScript Class Name mx.transitions.Iris
startPoint An integer indicating a starting position; the range is 1 to 9:
Top Left, 1; Top Center: 2, Top Right, 3; Left Center, 4; Center, 5; Right Center, 6; Bottom Left, 7; Bottom Center, 8, Bottom Right, 9.
shape A mask shape of either mx.transitions.Iris.SQUARE (a square) or mx.transitions.Iris.CIRCLE (a circle).
A transition effect: Reveals the movie clip object by using an animated mask of a square shape or a circle shape that zooms in or out.
This class is used by specifying mx.transitions.Iris as a transObject.type parameter for the TransitionManager class.
The following code creates an instance of TransitionManager that applies the Iris transition with a startPoint from the center (5) and a masking shape of mx.transitions.Iris.CIRCLE. The content target of the transition is the movie clip img1_mc. The TransitionManager applies a direction of mx.transitions.Transition.IN over a duration of 2 seconds with an easing of Strong with an emphasis on the easeOut by specifying the mx.transitions.easing.Strong.easeOut easing calculation method.
import mx.transitions.*;
import mx.transitions.easing.*;
TransitionManager.start(img1_mc, {type:Iris, direction:Transition.IN, duration:2, easing:Strong.easeOut, startPoint:5, shape:Iris.CIRCLE});
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