public PdfDrawer(PdfContentByte contentByte, ref BoxConfig messageConfig, ref BoxLineConfig optionConfig)
{
if (contentByte == null)
{
throw new ApplicationException("PdfContentByte nullo.");
}
this.canvas = contentByte;
this.canvas.SetGState(new PdfGState {
FillOpacity = messageConfig.Opacity.Value, StrokeOpacity = messageConfig.Opacity.Value
});
this.layoutInstances = new Dictionary <PdfLayout, object>();
this.msgConfig = messageConfig;
this.optCfg = optionConfig;
}
/// <summary>
/// Assegna i valori non impostati leggendoli dal file di configurazione.
/// </summary>
/// <param name="source"></param>
/// <returns></returns>
public static BoxConfig MergeWithConfig(BoxConfig source, log4net.ILog logger = null)
{
if (logger != null)
{
logger.Debug("BoxConfig::MergeWithConfig - INIT");
}
var key = ConfigurationManager.AppSettings["DefaultBoxConfig"];
if (logger != null)
{
logger.DebugFormat("BoxConfig::MergeWithConfig - readed key = {0}", key);
}
if (string.IsNullOrEmpty(key))
{
if (logger != null)
{
logger.Debug("BoxConfig::MergeWithConfig - END");
}
return(source);
}
var retval = source ?? new BoxConfig();
try
{
var configured = JsonConvert.DeserializeObject <BoxConfig>(key);
if (!retval.x.HasValue)
{
retval.x = configured.x;
}
if (!retval.y.HasValue)
{
retval.y = configured.y;
}
if (!retval.pageNumber.HasValue)
{
retval.pageNumber = configured.pageNumber;
}
if (!retval.isInline.HasValue)
{
retval.isInline = configured.isInline;
}
if (!retval.borderWidth.HasValue)
{
retval.borderWidth = configured.borderWidth;
}
if (!retval.opacity.HasValue)
{
retval.opacity = configured.opacity;
}
if (string.IsNullOrEmpty(retval.bgColor))
{
retval.bgColor = configured.bgColor;
}
if (string.IsNullOrEmpty(retval.borderColor))
{
retval.borderColor = configured.borderColor;
}
if (retval.BoxLine == null || retval.BoxLine.Length < 1)
{
retval.BoxLine = new[] { BoxLineConfig.GetDefault() };
}
else
{
BoxLineConfig line;
for (int idx = 0; idx < retval.BoxLine.Length; idx++)
{
line = retval.BoxLine[idx];
line = BoxLineConfig.MergeWithConfig(line, logger);
}
}
}
catch (Exception ex)
{
if (logger != null)
{
logger.Error(ex);
logger.Debug("BoxConfig::MergeWithConfig - END");
}
return(source);
}
if (logger != null)
{
logger.Debug("BoxConfig::MergeWithConfig - END");
}
return(retval);
}
/// <summary>
///
/// </summary>
/// <param name="documentContent"></param>
/// <param name="fileName"></param>
/// <param name="ext"></param>
/// <param name="label"></param>
/// <param name="formBoxConfig"></param>
/// <returns></returns>
public byte[] ConvertToFormatLabeledWithForm(byte[] documentContent, string fileName, string ext, string label, BoxConfig formBoxConfig)
{
if (formBoxConfig == null)
{
throw new ConfigurationException("Nessuna informazione di configurazione legata alla form fornita in input.");
}
if (formBoxConfig.BoxLine == null || !formBoxConfig.BoxLine.Any())
{
throw new ConfigurationException("Nessuna informazione di configurazione legata alle opzioni fornita in input.");
}
formBoxConfig = BoxConfig.MergeWithConfig(formBoxConfig, logger);
if (formBoxConfig.DrawingPageNumber < -1)
{
formBoxConfig.DrawingPageNumber = -1;
}
if (formBoxConfig.DrawingPageNumber == 0)
{
formBoxConfig.DrawingPageNumber = 1;
}
var numPagina = formBoxConfig.DrawingPageNumber.Value;
var buffer = ConvertToFormatLabeled(documentContent, fileName, ext, label);
var fname = Path.GetTempFileName() + ".pdf";
try
{
using (var fs = File.Create(fname))
{
var pdfReader = new PdfReader(buffer);
try
{
//Non si può scrivere in una pagina inesistente: quindi viene impostata l'ultima pagina valida del documento.
if (numPagina < 1 || numPagina > pdfReader.NumberOfPages)
{
numPagina = pdfReader.NumberOfPages;
}
//Recupera le dimensioni della pagina in cui si sta scrivendo.
var paginaPerDimensioni = pdfReader.GetPageSizeWithRotation(numPagina);
//Re-imposta le dimensioni a seconda del formato della pagina.
formBoxConfig.X = (int)Math.Ceiling(Math.Abs(paginaPerDimensioni.Left - formBoxConfig.X.Value));
formBoxConfig.Y = (int)Math.Ceiling(Math.Abs(paginaPerDimensioni.Top - formBoxConfig.Y.Value));
try
{
using (var pdfStamper = new PdfStamper(pdfReader, fs))
{
try
{
var canvas = pdfStamper.GetOverContent(numPagina);
var cfgOpzioni = formBoxConfig.BoxLine.First();
using (var layout = new PdfDrawer(canvas, ref formBoxConfig, ref cfgOpzioni).BeginLayout())
{
foreach (var opzione in formBoxConfig.BoxLine)
{
layout.AddMessage(opzione.Message, opzione.SelectedValue, opzione.Options);
}
}
pdfStamper.Writer.SetPdfVersion(PdfWriter.PDF_VERSION_1_7);//i tried with 1_7instead, same result
pdfStamper.Writer.PDFXConformance = PdfWriter.PDFX1A2001;
pdfStamper.Writer.CreateXmpMetadata();
}
finally
{
pdfStamper.Close();
}
}
}
finally
{
pdfReader.Close();
}
}
finally
{
try { pdfReader.Close(); }
catch { }
fs.Close();
}
}
buffer = File.ReadAllBytes(fname);
}
finally
{
try { File.Delete(fname); }
catch { }
}
return(buffer);
}