public static TjsArray ScaleButton(TjsDict dict, string name, double scaleX, double scaleY)
{
TjsValue v = null;
if (dict.val.TryGetValue(name, out v))
{
// 按钮上多记录了一个是否显示: x, y, shown
TjsArray xys = v as TjsArray;
if (xys != null && xys.val.Count == 3)
{
TjsNumber x = xys.val[0] as TjsNumber;
TjsNumber y = xys.val[1] as TjsNumber;
TjsNumber s = xys.val[2] as TjsNumber;
if (x != null && y != null && s != null)
{
TjsArray xysnew = CreatePos((int)(x.val * scaleX), (int)(y.val * scaleY));
xysnew.val.Add(new TjsNumber(s.val));
dict.val[name] = xysnew;
return(xysnew);
}
else
{
Debug.Assert(false, "invalid element in button struct");
}
}
else
{
Debug.Assert(false, "invalid button struct");
}
}
return(null);
}
public static bool TryGetPos(TjsValue pos, out Point p)
{
TjsArray xy = pos as TjsArray;
if (xy != null && xy.val.Count == 2)
{
TjsNumber x = xy.val[0] as TjsNumber;
TjsNumber y = xy.val[1] as TjsNumber;
if (x != null && y != null)
{
p = new Point((int)x.val, (int)y.val);
return(true);
}
else
{
Debug.Assert(false, "invalid element in pos struct");
}
}
else
{
Debug.Assert(false, "invalid pos struct");
}
p = Point.Empty;
return(false);
}
public static TjsArray ScalePosArray(TjsDict dict, string name, double scaleX, double scaleY)
{
TjsValue v = null;
if (dict.val.TryGetValue(name, out v))
{
// 检查是不是数组
TjsArray arr = v as TjsArray;
if (arr != null)
{
// 从中读取两个元素的坐标数组
List <TjsValue> arraynew = new List <TjsValue>();
foreach (TjsValue pos in arr.val)
{
Point p = Point.Empty;
if (TryGetPos(pos, out p))
{
// 按比例缩放
TjsArray posnew = CreatePos((int)(p.X * scaleX), (int)(p.Y * scaleY));
arraynew.Add(posnew);
}
else
{
Debug.Assert(false, "invalid struct in pos array");
}
}
dict.val[name] = new TjsArray(arraynew);
return(arr);
}
}
return(null);
}
