/// <summary>
/// 把 Emoji编码 [e]1f1e6-1f1fa[/e]
/// [e]1f1e6[/e]
/// [e]1f1fa[/e]
/// [e]1f1e6[/e]
/// [e]1f1f9[/e] 换成对应的字符串,此字符串能被window8.1,ios,andriod 直接显示.
///
/// 如果在网页中显示,需要设置字体为 'Segoe UI Emoji' 如下.当然客户机还必须得有这个字体.
///
/// <span style="font-family:'Segoe UI Emoji';"></span>
///
/// </summary>
/// <param name="paramContent"></param>
/// <returns></returns>
public string GetEmoji(string paramContent)
{
string paramContentR = paramContent.Replace("[e]", "\\u").Replace("[/e]", "");
var unicodehex = new char[6] {
'0', '0', '0', '0', '0', '0'
};
StringBuilder newString = new StringBuilder(2000);
StringBuilder tempEmojiSB = new StringBuilder(20);
StringBuilder tmps = new StringBuilder(5);
int ln = paramContent.Length;
for (int index = 0; index < ln; index++)
{
int i = index; //把指针给一个临时变量,方便出错时,现场恢复.
try
{
if (paramContent[i] == '[')
{
//预测
if (paramContent[i + 1] == 'e')
{
if (paramContent[i + 2] == ']') //[e]的后面4位是 unicode 的16进制数值.
{
i = i + 3; //前进3位
i = ChangUnicodeToUTF16(paramContent, tempEmojiSB, tmps, i);
if (paramContent[i] == '-') //向前探测1位 看看是否双字符 形如1f1e7-1f1ea
{
i++;
i = ChangUnicodeToUTF16(paramContent, tempEmojiSB, tmps, i);
}
;
if (paramContent[i] == '[')
{
if (paramContent[i + 1] == '/')
{
if (paramContent[i + 2] == 'e')
{
if (paramContent[i + 3] == ']')
{
i = i + 3; //再前进4位
index = i; //识别转换成功
newString.Append(tempEmojiSB.ToString()); //识别转换成功
tempEmojiSB.Clear();
continue;
}
}
}
}
}
}
}
index = i;
}
catch (Exception ex)
{
ConsoleLog.Output(ex);
//解析失败仍然继续
}
newString.Append(paramContent[index]);
}
return(newString.ToString());
}
/// <summary>
/// 创建二维码
/// </summary>
/// <param name="QRString">二维码字符串</param>
/// <param name="QRCodeEncodeMode">二维码编码(Byte、AlphaNumeric、Numeric)</param>
/// <param name="QRCodeScale">二维码尺寸(Version为0时，1：26x26，每加1宽和高各加25</param>
/// <param name="QRCodeVersion">二维码密集度0-40</param>
/// <param name="QRCodeErrorCorrect">二维码纠错能力(L：7% M：15% Q：25% H：30%)</param>
/// <param name="hasLogo">是否有logo(logo尺寸50x50，QRCodeScale>=5，QRCodeErrorCorrect为H级)</param>
/// <param name="logoFilePath">logo路径</param>
/// <returns></returns>
public static BitmapSource CreateQRCode(string QRString, string QRCodeEncodeMode, short QRCodeScale, int QRCodeVersion, string QRCodeErrorCorrect, bool hasLogo, string logoFilePath)
{
QRCodeEncoder qrCodeEncoder = new QRCodeEncoder();
switch (QRCodeEncodeMode)
{
case "Byte":
qrCodeEncoder.QRCodeEncodeMode = QRCodeEncoder.ENCODE_MODE.BYTE;
break;
case "AlphaNumeric":
qrCodeEncoder.QRCodeEncodeMode = QRCodeEncoder.ENCODE_MODE.ALPHA_NUMERIC;
break;
case "Numeric":
qrCodeEncoder.QRCodeEncodeMode = QRCodeEncoder.ENCODE_MODE.NUMERIC;
break;
default:
qrCodeEncoder.QRCodeEncodeMode = QRCodeEncoder.ENCODE_MODE.BYTE;
break;
}
qrCodeEncoder.QRCodeScale = QRCodeScale;
qrCodeEncoder.QRCodeVersion = QRCodeVersion;
switch (QRCodeErrorCorrect)
{
case "L":
qrCodeEncoder.QRCodeErrorCorrect = QRCodeEncoder.ERROR_CORRECTION.L;
break;
case "M":
qrCodeEncoder.QRCodeErrorCorrect = QRCodeEncoder.ERROR_CORRECTION.M;
break;
case "Q":
qrCodeEncoder.QRCodeErrorCorrect = QRCodeEncoder.ERROR_CORRECTION.Q;
break;
case "H":
qrCodeEncoder.QRCodeErrorCorrect = QRCodeEncoder.ERROR_CORRECTION.H;
break;
default:
qrCodeEncoder.QRCodeErrorCorrect = QRCodeEncoder.ERROR_CORRECTION.H;
break;
}
try
{
System.Drawing.Image image = qrCodeEncoder.Encode(QRString, System.Text.Encoding.UTF8);
if (hasLogo)
{
System.Drawing.Image copyImage = System.Drawing.Image.FromFile(logoFilePath);
Graphics g = Graphics.FromImage(image);
int x = image.Width / 2 - copyImage.Width / 2;
int y = image.Height / 2 - copyImage.Height / 2;
g.DrawImage(copyImage, new Rectangle(x, y, copyImage.Width, copyImage.Height), 0, 0, copyImage.Width, copyImage.Height, GraphicsUnit.Pixel);
g.Dispose();
copyImage.Dispose();
}
System.Drawing.Bitmap bmp = new System.Drawing.Bitmap(image);
image.Dispose();
return(Helpers.ConvertBitmapToBitmapSource(bmp));
}
catch (Exception ex)
{
ConsoleLog.Output("QRCode Error:" + ex.Message);
LogHelper.log.Info("QRCode Error:" + ex.Message);
return(null);
}
}
private static void OnMessageChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
try
{
var message = e.NewValue as Messageobject;
var mapcontrol = (MapBubble)d;
var serverUri = new Uri(System.Web.HttpUtility.HtmlDecode(message.content)); //解码
string url = Applicate.MapApiUrl + "location={0},{1}&title={2}&content={3}&output=html"; //删除
string mapurl = string.Format(url, message.location_x, message.location_y, "我的位置", message.objectId);
string uri = message.content;
//get info about the path
string localpath = Applicate.LocalConfigData.CatchPath;
//ChatBubbleItemModel message = mapcontrol.Tag as ChatBubbleItemModel;
string filename = message.fileName.Substring(
message.fileName.LastIndexOf('/') + 1,
message.fileName.Length - message.fileName.LastIndexOf('/') - 1
);
var localfile = localpath + filename; //获取缓存路径
if (File.Exists(localfile)) //if file exists, fill the image of the border
{
var imguri = new Uri(localfile);
mapcontrol.MapImg.Source = new BitmapImage(imguri);
mapcontrol.transitioner.SelectedIndex = 1;
mapcontrol.MouseLeftButtonUp += (sen, res) =>
{
Process.Start(mapurl);
};
}
else//if not exists
{
WebClient web = new WebClient();
//when the progress changed , set the value of the progressbar
web.DownloadProgressChanged += (s, ev) =>
{
mapcontrol.ImageProgress.Value = ev.ProgressPercentage;
};
//When download completed, fill the image of the border
web.DownloadFileCompleted += (s, ev) =>
{
if (ev.Error == null)
{
var imguri = new Uri(localfile);
mapcontrol.MapImg.Source = new BitmapImage(imguri);
mapcontrol.transitioner.SelectedIndex = 1;
mapcontrol.MouseLeftButtonUp += (sen, res) =>
{
Process.Start(mapurl);
};
web.Dispose();//Dispose the WebClient
}
else
{
ConsoleLog.Output("图片下载失败");
}
};
//Start download image async
web.DownloadFileAsync(new Uri(uri), localfile);
}
}
catch (Exception ex)
{
ConsoleLog.Output("显示地址失败:" + ex.Message);
}
}