下边这个脚本只能绘出这种图片,也就是方块,怎样才能样这个脚本绘出园形呢???

// Copyright (c) 2001 TianDigo Studio(http://www.tiandigo.net). All rights reserved.
var defaultSetting = confirm("确定-使用默认设置\n取消-使用当前Stoke面板设置");
var groupObjects = confirm("确定-组合线框与选中对象\n取消-不组合线框与选中对象");
var currentSel = fw.selection[0];
var currentDocument = fw.getDocumentDOM();
if (currentSel != null) {
var selectBounds = currentDocument.getSelectionBounds();
var selectLeft = selectBounds.left;
var selectTop = selectBounds.top;
var selectRight = selectBounds.right;
var selectBottom = selectBounds.bottom;
currentDocument.addNewRectangle({left:selectLeft, top:selectTop, right:selectRight, bottom:selectBottom}, 0);
var wireFrame = fw.selection[0];
currentDocument.removeFill();
}
else {
var docLeft = currentDocument.left;
var docTop = currentDocument.top;
var docRight = currentDocument.left + currentDocument.width;
var docBottom = currentDocument.top + currentDocument.height;
currentDocument.addNewLayer("WireFrame", true);
currentDocument.addNewRectangle({left

ocLeft, top

ocTop, right

ocRight, bottom

ocBottom}, 0);
currentDocument.removeFill();
}
if (defaultSetting)
{
currentDocument.setBrushNColorNTexture(
{
alphaRemap:"none",
angle:0,
antiAliased:false,
aspect:100,
blackness:0,
category:"bc_Pencil",
concentration:100,
diameter:1,
feedback:"none",
flowRate:0,
maxCount:15,
minSize:1,
name:"bn_1-Pixel",
sensitivity_pressure_size:0,
sensitivity_pressure_angle:0,
sensitivity_pressure_opacity:0,
sensitivity_pressure_blackness:0,
sensitivity_pressure_scatter:0,
sensitivity_pressure_hue:0,
sensitivity_pressure_lightness:0,
sensitivity_pressure_saturation:0,
sensitivity_speed_size:0,
sensitivity_speed_angle:0,
sensitivity_speed_opacity:0,
sensitivity_speed_blackness:0,
sensitivity_speed_scatter:0,
sensitivity_speed_hue:0,
sensitivity_speed_lightness:0,
sensitivity_speed_saturationspeed:0,
sensitivity_hDir_size:0,
sensitivity_hDir_angle:0,
sensitivity_hDir_opacity:0,
sensitivity_hDir_blackness:0,
sensitivity_hDir_scatter:0,
sensitivity_hDir_hue:0,
sensitivity_hDir_lightness:0,
sensitivity_hDir_saturation:0,
sensitivity_vDir_size:0,
sensitivity_vDir_angle:0,
sensitivity_vDir_opacity:0,
sensitivity_vDir_blackness:0,
sensitivity_vDir_scatter:0,
sensitivity_vDir_hue:0,
sensitivity_vDir_lightness:0,
sensitivity_vDir_saturationhDir:0,
sensitivity_random_size:0,
sensitivity_random_angle:0,
sensitivity_random_opacity:0,
sensitivity_random_blackness:0,
sensitivity_random_scatter:0,
sensitivity_random_hue:0,
sensitivity_random_lightness:0,
sensitivity_random_saturation:0,
shape:"circle",
softenMode:"bell curve",
softness:0,
spacing:15,
textureBlend:0,
textureEdge:0,
tipColoring:"undefined",
tipCount:1,
tipSpacing:0,
tipSpacingMode:"random",
type:"simple"
},
"#000000",
"Grain"
);
}
if (groupObjects && currentSel != null) {
var newSel = [ currentSel, wireFrame ];
fw.selection = newSel;
currentDocument.group();
}