/// <summary>
/// 绘制列表子项的头像
/// </summary>
/// <param name="g">绘图表面</param>
/// <param name="subItem">要绘制头像的子项</param>
/// <param name="rectSubItem">该子项的区域</param>
protected virtual void DrawHeadImage(Graphics g, ChatListSubItem subItem, Rectangle rectSubItem)
{
if (subItem.IsTwinkle) { //判断改头像是否闪动
if (subItem.IsTwinkleHide) //同理该值 在线程中 取反赋值
return;
}
int imageHeight = rectSubItem.Height - 10; //根据子项的大小计算头像的区域
subItem.HeadRect = new Rectangle(5, rectSubItem.Top + 5, imageHeight, imageHeight);
if (subItem.HeadImage == null) //如果头像位空 用默认资源给定的头像
subItem.HeadImage = global::ChattingCtrl.Properties.Resources._null;
if (subItem.Status == ChatListSubItem.UserStatus.OffLine)
g.DrawImage(subItem.GetDarkImage(), subItem.HeadRect);
else {
g.DrawImage(subItem.HeadImage, subItem.HeadRect); //如果在线根据在想状态绘制小图标
if (subItem.Status == ChatListSubItem.UserStatus.QMe)
g.DrawImage(global::ChattingCtrl.Properties.Resources.QMe, new Rectangle(subItem.HeadRect.Right - 10, subItem.HeadRect.Bottom - 10, 11, 11));
if (subItem.Status == ChatListSubItem.UserStatus.Away)
g.DrawImage(global::ChattingCtrl.Properties.Resources.Away, new Rectangle(subItem.HeadRect.Right - 10, subItem.HeadRect.Bottom - 10, 11, 11));
if (subItem.Status == ChatListSubItem.UserStatus.Busy)
g.DrawImage(global::ChattingCtrl.Properties.Resources.Busy, new Rectangle(subItem.HeadRect.Right - 10, subItem.HeadRect.Bottom - 10, 11, 11));
if (subItem.Status == ChatListSubItem.UserStatus.DontDisturb)
g.DrawImage(global::ChattingCtrl.Properties.Resources.Dont_Disturb, new Rectangle(subItem.HeadRect.Right - 10, subItem.HeadRect.Bottom - 10, 11, 11));
}
//if (subItem.Equals(selectSubItem)) //根据是否选中头像绘制头像的外边框
//g.DrawRectangle(Pens.LightBlue, subItem.HeadRect);
//else
//g.DrawRectangle(Pens.White, subItem.HeadRect);
}