/// <summary>
/// 创建许可证预览的Canvas
/// </summary>
/// <param name="equInfo">设备信息</param>
/// <param name="tempInfo">许可证模板信息</param>
/// <param name="isPrintBgImg">是否打印背景图片</param>
/// <returns></returns>
public static Canvas CreateLicenseViewCanvas(ActivityEquipmentInfo equInfo, LicenseTempleteInfo tempInfo, bool isPrintBgImg)
{
LicenseTemplete temp = BarCodeFactory.CreateBarCodesFromXml(tempInfo.TempXML);
LicenseViewInfo license = new LicenseViewInfo(equInfo);
Canvas _viewCanvas = new Canvas();
_viewCanvas.Height = temp.Height;
_viewCanvas.Width = temp.Width;
if (isPrintBgImg)
{
ImageBrush image = new ImageBrush();
if (tempInfo.BGImage != null)
{
MemoryStream stream = new MemoryStream(tempInfo.BGImage);
BitmapImage bmp = new BitmapImage();
bmp.BeginInit(); //初始化
bmp.StreamSource = stream; //设置源
bmp.EndInit(); //初始化结束
image.ImageSource = bmp; //设置图像Source
}
_viewCanvas.Background = image;
}
LicenseViewInfo viewInfo = new LicenseViewInfo(equInfo);
_viewCanvas.DataContext = viewInfo;
foreach (var item in temp.Items)
{
switch (item.Type)
{
case "Title":
TextBlock textBlock = new TextBlock();
textBlock.Text = item.Content + ":";
textBlock.FontSize = item.FontSize;
_viewCanvas.Children.Add(textBlock);
Canvas.SetTop(textBlock, item.Left);
Canvas.SetLeft(textBlock, item.Top);
break;
case "Value":
TextBlock textBlockValue = new TextBlock();
textBlockValue.FontSize = item.FontSize;
textBlockValue.Width = temp.Width - item.Top - 10;
textBlockValue.TextWrapping = TextWrapping.Wrap;
_viewCanvas.Children.Add(textBlockValue);
Canvas.SetTop(textBlockValue, item.Left);
Canvas.SetLeft(textBlockValue, item.Top);
textBlockValue.SetBinding(TextBlock.TextProperty, new Binding(item.Column));
break;
case "BarCode":
//初始化条码图片
//private Image _barCodeImage = CreateImage();
//_viewCanvas.Children.Add(_barCodeImage);
//Canvas.SetTop(_barCodeImage, item.Left);
//Canvas.SetLeft(_barCodeImage, item.Top);
break;
}
}
return(_viewCanvas);
}
/// <summary>
/// 从xml加载条码模板
/// </summary>
/// <param name="xml">条码模板XML</param>
private void LoadBarCodeFrom(string xml)
{
_licenseTemplete = BarCodeFactory.CreateBarCodesFromXml(xml.ToString());
}
