/// <summary>
/// 注册
/// </summary>
/// <param name="context"></param>
public void ProcessRequest(HttpContext context)
{
string path = context.Request.PhysicalPath;
string serverHost = context.Request.Url.Host;
Uri refUrl = context.Request.UrlReferrer;
if (refUrl == null || refUrl.Host.ToLower() != serverHost.ToLower())
{
var wimg = VirtualPath.GetAbsolutelyPath("/urlwrning.png");
if (!File.Exists(wimg))
{
Bitmap bmp = new Bitmap(146, 146);
var g = Graphics.FromImage(bmp);
g.Clear(Color.Black);
g.CompositingQuality = System.Drawing.Drawing2D.CompositingQuality.HighQuality;
g.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.HighQuality;
var title = "不允许引用图片";
var big = new Font("微软雅黑", 12F);
var ts = g.MeasureString(title, big);
g.DrawString(title, big, new SolidBrush(Color.White), new PointF(bmp.Width / 2F - ts.Width / 2F, bmp.Height / 2F - ts.Height / 2F));
var small = new Font("宋体", 9F);
var copy = g.MeasureString(serverHost, small);
g.DrawString(serverHost, small, new SolidBrush(Color.FromArgb(115, 52, 43)), new PointF(bmp.Width - copy.Width - 5, bmp.Height - copy.Height - 5));
g.Dispose();
bmp.Save(wimg, ImageFormat.Png);
bmp.Dispose();
}
context.Response.WriteFile(wimg);
}
else
{
context.Response.WriteFile(path);
}
}
