public object Convert(object value, Type targetType, object parameter,
System.Globalization.CultureInfo culture)
{
if (!LabelOperator.isObjectExistingFile(value))
{
return(null);
}
string btwFileName = (string)value;
try
{
System.Drawing.Image btwImage =
LabelFormatThumbnail.Create(btwFileName, System.Drawing.Color.Gray, 500, 500);
using (var ms = new MemoryStream())
{
btwImage.Save(ms, System.Drawing.Imaging.ImageFormat.Png);
ms.Position = 0;
var bi = new BitmapImage();
bi.BeginInit();
bi.CacheOption = BitmapCacheOption.OnLoad;
bi.StreamSource = ms;
bi.EndInit();
btwImage.Dispose(); //if bmp is not used further.
return(bi);
}
}
catch (Exception ex)
{
Log.Instance.Logger.Error($"获取缩略图错误:{ex.Message}");
return(null);
}
}
private void InitComponents()
{
if (!Directory.Exists(Constants.btwTopDir))
{
Directory.CreateDirectory(Constants.btwTopDir);
}
this.ListBtwDirs();
this.StartingNumberMaxLength = 7;
this.ObsPrintHistoryVMs = new ObservableCollection <PrintHistoryViewModel>();
this.SelectedDate = DateTime.Today;
this.StartingNumber = 1;
this.ReadFieldsAliasXml();
SqliteHistory.CreateDb();
this.labelOperator = new LabelOperator(this.BtEngine);
try
{
this.serialPort = new SerialPort(Constants.SerialPortComName, 9600);
this.serialPort.DataReceived += SerialPort_DataReceived;
this.serialPort.Open();
}
catch (Exception ex)
{
Log.Instance.Logger.Error($"初始化串口出错{ex.Message}");
this.Message = $"初始化串口出错{ex.Message}";
}
}
public object Convert(object value, Type targetType, object parameter,
System.Globalization.CultureInfo culture)
{
if (!LabelOperator.isObjectExistingFile(value))
{
return("");
}
return(Path.GetFileNameWithoutExtension((string)value));
}
private async Task Print()
{
await Task.Run(() =>
{
Log.Instance.Logger.Info($"触发打印!");
if (this.SelectedBtwFile == null)
{
Log.Instance.Logger.Error($"未选择任何文件，退出打印!");
return;
}
if (LabelOperator.isObjectExistingFile(this.SelectedBtwFile))
{
if (this.BtEngine == null)
{
Log.Instance.Logger.Error($"bartender未正确初始化，无法打印!");
return;
}
Log.Instance.Logger.Info($"准备打印{this.SelectedBtwFile}!");
string obarcodeHistroySuffix;
LabelFormatDocument label =
this.SetLabelValues(this.SelectedBtwFile, out obarcodeHistroySuffix);
if (this.SelectedBtwFile == null)
{
Log.Instance.Logger.Error($"未选择任何文件，退出打印!");
return;
}
string BtwTemplate = this.SelectedBtwFile.Replace(
Constants.btwTopDir, "");
SqliteHistory.InsertPrintHistroy(
BtwTemplate,
obarcodeHistroySuffix);
#if DEBUG
this.Message = "DEBUG跳过真实打印";
#else
string msg = BtwPrintWrapper.PrintBtwFile(label, this.BtEngine);
//BtwPrintWrapper.PrintPreviewLabel2File(label, this.BtEngine);
this.Message = msg.Trim();
#endif
}
else
{
Log.Instance.Logger.Error($"无法打印，文件不存在：{this.SelectedBtwFile}!");
}
});
}
public object Convert(object value, Type targetType, object parameter,
System.Globalization.CultureInfo culture)
{
return(LabelOperator.isObjectExistingFile(value));
}