Klasa: DisplacementMapFilter

Kompatybilność: ActionScript 1.0, Flash 8+

 

Zwraca identyczną kopię obiektu filtru.

import flash.filtrs.DisplacementMapFilter;
import flash.display.BitmapData;
import flash.geom.Point;
import flash.geom.Matrix;
import flash.geom.ColorTransform;

var mapBitmap:BitmapData = createGradientBitmap(300, 80, 0xFF000000, "radial", true);

var filtr_1:DisplacementMapFilter = new DisplacementMapFilter(mapBitmap, new Point(-30, -30), 1, 1, 10, 10, "wrap", 0x000000, 0x000000);
var filtr_2:DisplacementMapFilter = filtr_1;
var clonedFilter:DisplacementMapFilter = filtr_1.clone();

trace(filtr_1 == filtr_2); // true
trace(filtr_1 == clonedFilter); // false

for(var i in filtr_1) {
    trace(">> " + i + ": " + filtr_1[i]);
    // >> clone: [type Function]
    // >> alpha: 0
    // >> color: 0
    // >> mode: wrap
    // >> scaleY: 10
    // >> scaleX: 10
    // >> componentY: 1
    // >> componentX: 1
    // >> mapPoint: (-30, -30)
    // >> mapBitmap: [object Object]
}

for(var i in clonedFilter) {
    trace(">> " + i + ": " + clonedFilter[i]);
    // >> clone: [type Function]
    // >> alpha: 0
    // >> color: 0
    // >> mode: wrap
    // >> scaleY: 10
    // >> scaleX: 10
    // >> componentY: 1
    // >> componentX: 1
    // >> mapPoint: (-30, -30)
    // >> mapBitmap: [object Object]
}

function createGradientBitmap(w:Number, h:Number, bgColor:Number, type:String, hide:Boolean):BitmapData {
    var mc:MovieClip = this.createEmptyMovieClip("mc", 1);
    var matrix:Matrix = new Matrix();
    matrix.createGradientBox(w, h, 0, 0, 0);

    mc.beginGradientFill(type, [0xFF0000, 0x0000FF], [100, 100], [0x55, 0x99], matrix, "pad");
    mc.lineTo(w, 0);
    mc.lineTo(w, h);
    mc.lineTo(0, h);
    mc.lineTo(0, 0);
    mc.endFill();
    (hide == true) ? mc._alpha = 0 : mc._alpha = 100;
   
    var bmp:BitmapData = new BitmapData(w, h, true, bgColor);
        bmp.draw(mc, new Matrix(), new ColorTransform(), "normal", bmp.rectangle, true);
    mc.attachBitmap(bmp, this.getNextHighestDepth());
   
    return bmp;
}