ActionScript 2.0 Language Reference - Adobe Help and Support

alphas:Array - An array of alpha values for the corresponding colors in the colors array;
valid values are 0 to 100. If the value is less than 0, Flash uses 0. If the value is greater than
100, Flash uses 100.
ratios:Array - An array of color distribution ratios; valid values are 0 to 255. This value
defines the percentage of the width where the color is sampled at 100%. Specify a value for
each value in the colors parameter.
For example, for a linear gradient that includes two colors, blue and green, the following
figure illustrates the placement of the colors in the gradient based on different values in the
ratios array:
ratios Gradient
[0, 127]
[0, 255]
[127, 255]
The values in the array must increase sequentially; for example, [0, 63, 127, 190, 255].
matrix:Object - A transformation matrix that can be in any one of three forms:
■ A matrix object (supported by Flash Player 8 and later only), as defined by the
flash.geom.Matrix class. The flash.geom.Matrix class includes a createGradientBox()
method, which lets you conveniently set up the matrix for use with the
beginGradientFill() method of MovieClip class. Adobe recommends that you use this
form of matrix for Flash Player 8 and later.
The following example uses the beginGradientFill() method with a matrix parameter
of this type:
import flash.geom.*
this.createEmptyMovieClip("gradient_mc", this.getNextHighestDepth());
with (gradient_mc)
{
colors = [0xFF0000, 0x0000FF];
fillType = "radial"
alphas = [100, 100];
ratios = [0, 0xFF];
spreadMethod = "reflect";
interpolationMethod = "linearRGB";
focalPointRatio = 0.9;
matrix = new Matrix();
matrix.createGradientBox(100, 100, Math.PI, 0, 0);
beginGradientFill(fillType, colors, alphas, ratios, matrix,
846 ActionScript classes