/// <summary>
/// Appliva il watermark su di un documento
/// </summary>
/// <param name="Doc"></param>
/// <param name="watermark"></param>
/// <returns></returns>
public byte[] EtichettaWatermark(byte[] Doc, string watermark)
{
// add Head+Foot
PdfLabeler ePdf = new PdfLabeler();
// parse label
// <Watermark>
// <Text>Protocollo 123 (pagina) di (pagine)</Text>
// <Font Face="Arial" Size="18" Style="Bold,Italic" />
// <Point WatermarkRotation="90" FillOpacity="3"/>
// </Watermark>
XmlDocument document = new XmlDocument();
NameTable nt = new NameTable();
XmlNamespaceManager nsmgr = new XmlNamespaceManager(nt);
XmlParserContext context = new XmlParserContext(null, nsmgr, null, XmlSpace.None);
XmlTextReader reader = new XmlTextReader(watermark, XmlNodeType.Element, context);
document.Load(reader);
string watermarkLabel = string.Empty;
XmlNode root = document.SelectSingleNode("Watermark");
if (root != null)
{
XmlNode textNode = root.SelectSingleNode("Text");
watermarkLabel = textNode.InnerText.ToString();
ReadBaseConfig(ePdf, root);
XmlNode point = root.SelectSingleNode("WatermarkConfig");
if (point != null)
{
if (point.Attributes["WatermarkRotation"] != null)
{
ePdf.watermarkRotation = int.Parse(point.Attributes["WatermarkRotation"].InnerText);
}
if (point.Attributes["FillOpacity"] != null)
{
ePdf.fillOpacity = float.Parse(point.Attributes["FillOpacity"].InnerText) / 100;
}
}
else
{
ePdf.useStartPoint = false;
}
}
return(ePdf.Watermark(Doc, watermarkLabel));
}
/// <summary>
/// Lettura della configurazione XML base
/// </summary>
/// <param name="ePdf"></param>
/// <param name="root"></param>
private static void ReadBaseConfig(PdfLabeler ePdf, XmlNode root)
{
XmlNode font = root.SelectSingleNode("Font");
if (font != null)
{
FontStyle fs = new FontStyle();
ePdf.FontStyle = font.Attributes["Style"].InnerText;
if (font.Attributes["Style"].InnerText.ToString().IndexOf("Bold") >= 0)
{
fs |= FontStyle.Bold;
}
if (font.Attributes["Style"].InnerText.ToString().IndexOf("Italic") >= 0)
{
fs |= FontStyle.Italic;
}
ePdf.font = new System.Drawing.Font(font.Attributes["Face"].InnerText.ToString(),
int.Parse(font.Attributes["Size"].InnerText), fs);
ePdf.FontFace = font.Attributes["Face"].InnerText.ToString();
int r, g, b;
if (font.Attributes["Color"] != null && !string.IsNullOrEmpty(font.Attributes["Color"].InnerText))
{
string[] rgb = font.Attributes["Color"].InnerText.Split(',');
if (rgb.Length >= 3)
{
bool parseOk = true;
if (!int.TryParse(rgb[0], out r))
{
parseOk = false;
}
if (!int.TryParse(rgb[1], out g))
{
parseOk = false;
}
if (!int.TryParse(rgb[2], out b))
{
parseOk = false;
}
if (parseOk)
{
ePdf.Color = new iTextSharp.text.BaseColor(r, g, b);
}
}
}
}
XmlNode scale = root.SelectSingleNode("Scale");
if (scale != null)
{
int scalePercent = 0;
if (int.TryParse(scale.Attributes["scalePercent"].InnerText, out scalePercent))
{
ePdf.scalePercent = scalePercent * 0.01f;
}
}
}
private byte[] AddLabelToConvertedDocument(string ext, string label, byte[] WmfSigns, byte[] res, byte[] doc)
{
logger.DebugFormat("AddLabelToConvertedDocument {0}", ext);
bool deleteFile = ConfigurationHelper.GetValueOrDefault <bool>("DeleteFile", false);
// add Head+Foot
PdfLabeler ePdf = new PdfLabeler();
// parse label
// <Label>
// <Text>Protocollo 123 (pagina) di (pagine)</Text><Footer>Protocollo 123 (pagina) di (pagine)</Footer>
// <Font Face="Arial" Size="18" Style="Bold,Italic" />
// </Label>
XmlDocument document = new XmlDocument();
NameTable nt = new NameTable();
XmlNamespaceManager nsmgr = new XmlNamespaceManager(nt);
XmlParserContext context = new XmlParserContext(null, nsmgr, null, XmlSpace.None);
XmlTextReader reader = new XmlTextReader(label, XmlNodeType.Element, context);
document.Load(reader);
string labtext = string.Empty;
string footext = string.Empty;
XmlNode root = document.SelectSingleNode("Label");
if (root != null)
{
XmlNode text = root.SelectSingleNode("Text");
labtext = text.InnerText;
footext = string.Empty;
text = root.SelectSingleNode("Footer");
if (text != null)
{
footext = text.InnerText;
}
ReadBaseConfig(ePdf, root);
}
ePdf.testoEtichetta = labtext;
ePdf.testoFooter = footext;
ePdf.coverWMF = (WmfSigns == null) ? new byte[0] : WmfSigns;
string inFile = Path.Combine(Path.GetTempPath(), "SC_" + Guid.NewGuid() + ".tmp");
try
{
if (!deleteFile)
{
logger.Debug("Source file name: " + inFile);
}
File.WriteAllBytes(inFile, res);
var resized = ePdf.AddSignatureToPageAndResizeNew(File.ReadAllBytes(inFile), doc);
var labeled = ePdf.AddLabelToPagesNew(resized);
return(labeled);
}
catch (Exception ex)
{
logger.Error(ex);
throw;
}
finally
{
try
{
if (deleteFile)
{
File.Delete(inFile);
}
else
{
logger.InfoFormat("End Process, del file:{0} - {1} ", inFile, label);
}
}
catch (Exception ex)
{
logger.Error(ex);
throw;
}
}
}
