用纯AS写滚动条

作者佚名技术来源服务器技术浏览发布时间 2012-07-08

色"]);
var sanjiaohuodongse = jinzhizhuanhuan(attributes["活动色"]);
//记录下原始色和活动色，以备在“上”，“下”按钮中使用
jiluyuanshise = attributes["原始色"];
jiluhuodongse = attributes["活动色"];
var sanjiaotoumingdou = attributes["透明度"];
}
//滑块参数
with (jiedianlujing_xml[3]) {
var huakuaibeijingse = jinzhizhuanhuan(attributes["背景色"]);
var huakuaitoumingdu = attributes["背景透明度"];
var huakuaibiankuangse = jinzhizhuanhuan(attributes["边框色"]);
var huakuaibiankuangtoumingdou = attributes["边框透明度"];
var huakuaibiankuangcuxi = attributes["边框粗细"];
}
//先根据文本域的高确定滚动条的高
gundongtiaogao = wenben_txt._height;
////////////中心法绘制滚动条背景矩形条
createEmptyMovieClip("gundongtiao_mc", 1000);
gundongtiao_mc.beginFill(gundongtiaobeijingse, gundongtiaotoumingdu);
gundongtiao_mc.zhongxinjuxing(0, 0, gundongtiaokuan, gundongtiaogao, gundongtiaobiankuangcuxi, gundongtiaobiankuangse, gundongtiaobiankuangtoumingdou);
gundongtiao_mc.endFill();
//根据文本域的位置确定滚动条位置，使其紧贴在文本域的右端
gundongtiao_mc.dingwei(wenben_txt._x+wenben_txt._width+gundongtiao_mc._width/2, wenben_txt._y+wenben_txt._height/2);
/////////中心点矩形法绘制滚动条上下按钮
//////绘制上按钮背景方块
gundongtiao_mc.createEmptyMovieClip("shangfangkuai_mc", 1);
gundongtiao_mc.shangfangkuai_mc.beginFill(fangkuaibeijingse, fangkuaitoumingdu);
gundongtiao_mc.shangfangkuai_mc.zhongxinjuxing(0, 0, gundongtiao_mc._width, gundongtiao_mc._width, fangkuaibiankuangcuxi, fangkuaibiankuangse, fangkuaitoumingdu);
gundongtiao_mc.shangfangkuai_mc.endFill();
//定位上按钮背景方块
gundongtiao_mc.shangfangkuai_mc.dingwei(0, -gundongtiao_mc._height/2+gundongtiao_mc.shangfangkuai_mc._height/2);
//////绘制上按钮三角形
gundongtiao_mc.createEmptyMovieClip("shangsanjiao_mc", 2);
//中心点法绘制三角形
//首先定义一个因子，此因子等于正三角形中心到各顶点的距离，用来定位三角形各顶点的位置。
var yinzi = gundongtiaokuan/3;
var zuobiao1x = -1/2*Math.pow(3, 1/2)*yinzi;
var zuobiao1y = 1/2*yinzi;
var zuobiao2x = 1/2*Math.pow(3, 1/2)*yinzi;
var zuobiao2y = 1/2*yinzi;
var zuobiao3x = 0;
var zuobiao3y = -yinzi;
var zuobiao1 = {x:zuobiao1x, y:zuobiao1y};
var zuobiao2 = {x:zuobiao2x, y:zuobiao2y};
var zuobiao3 = {x:zuobiao3x, y:zuobiao3y};
gundongtiao_mc.shangsanjiao_mc.beginFill(sanjiaoyuanshise, sanjiaotoumingdou);
gundongtiao_mc.shangsanjiao_mc.sanjiaoxing(zuobiao1, zuobiao2, zuobiao3, 1, 0x000000, 0);
gundongtiao_mc.shangsanjiao_mc.endFill();
//定位上三角形
gundongtiao_mc.shangsanjiao_mc.dingwei(0, -gundongtiao_mc._height/2+gundongtiao_mc.shangfangkuai_mc._height/2);
//////复制上按钮背景方块和三角形，并定位于下方
//复制下方块
gundongtiao_mc.shangfangkuai_mc.duplicateMovieClip("xiafangkuai_mc", 3);
//定位下按钮背景方块，这里的Y坐标加一，是为了让下方块跟文本框底部对齐！
gundongtiao_mc.xiafangkuai_mc.dingwei(0, Math.floor(gundongtiao_mc._height/2-gundongtiao_mc.xiafangkuai_mc._height/2)+1);
//复制下三角形
gundongtiao_mc.shangsanjiao_mc.duplicateMovieClip("xiasanjiao_mc", 4);
//旋转180度
gu

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