Да ради бога
text = "Draws a source image or movie clip onto a destination image, using the Flash Player vector renderer. You can use Matrix, ColorTransform, BlendMode objects, and a destination Rectangle object to control how the rendering performs."
createEmptyMovieClip("txtHolder", 1);
txtHolder._x = 100;
txtHolder._y = 100;
txtHolder.createTextField("txt", 1, 0, 0, 100, 50);
txtHolder.txt.multiline = true;
txtHolder.txt.wordWrap = true;
txtHolder.txt.text = text;
w = txtHolder._width;
h = txtHolder._height;
x = txtHolder._x;
y = txtHolder._y;
txtHolder.txt.text = "";
txtHolder.txt.autoSize = "left";
txtHolder.txt.text = text;
createEmptyMovieClip("mask_mc", 20);
mask_mc._x = x;
mask_mc._y = y;
mask_mc.beginFill(0xFF);
mask_mc.moveTo(0,0);
mask_mc.lineTo(w,0);
mask_mc.lineTo(w,h);
mask_mc.lineTo(0,h);
mask_mc.lineTo(0,0);
mask_mc.endFill();
txtHolder.setMask(mask_mc);