public PipelineInputPdf(string filename, PipelineFactory factory, PipelineInputCache <IProcessBlockData> cache = null)
{
if (factory == null)
{
throw new ArgumentNullException(nameof(factory));
}
var pdfDocument = new PdfDocument(VirtualFS.OpenPdfReader(filename));
InitDocument(pdfDocument, factory);
this._input = filename;
this._pdfDocument = pdfDocument;
this._documentFactory = factory;
if (cache != null)
{
cache.SetSize(_pdfDocument.GetNumberOfPages());
this._cache = cache;
}
PipelineInputPdf.DebugCurrent = this;
PdfReaderException.ClearContext();
}
static public void ShowException(PipelineInputPdf pdf, Exception ex)
{
PdfReaderException pdfException = ex as PdfReaderException;
string component = FindPdfCoreComponent(ex.StackTrace);
if (pdfException == null)
{
string text = component + "\n" + ex.Message + "\n" + ex.StackTrace;
var white = System.Drawing.Color.FromArgb(230, 250, 250, 250);
pdf.CurrentPage.DrawBackground(white);
pdf.CurrentPage.DrawWarning(text, 20, Color.Red);
}
else
{
string text = $"({component}) {pdfException.ShortMessage}";
var white = System.Drawing.Color.FromArgb(100, 200, 200, 200);
var yellow = System.Drawing.Color.FromArgb(100, 250, 250, 0);
var blue = System.Drawing.Color.FromArgb(100, 0, 0, 250);
pdf.CurrentPage.DrawBackground(white);
pdf.CurrentPage.DrawWarning(text, 12, Color.Red);
var additionalInfo = pdfException.Blocks;
if (additionalInfo != null)
{
foreach (var block in additionalInfo)
{
float width = block.GetWidth();
float height = block.GetHeight();
bool invalidBoundary = false;
if (width <= 3f)
{
width = 3f; invalidBoundary = true;
}
if (height <= 3f)
{
height = 3f; invalidBoundary = true;
}
if (invalidBoundary)
{
pdf.CurrentPage.FillRectangle(block.GetX(), block.GetH(), width, height, blue);
pdf.CurrentPage.DrawRectangle(block.GetX(), block.GetH(), width, height, Color.DarkRed);
}
else
{
pdf.CurrentPage.FillRectangle(block.GetX(), block.GetH(), width, height, yellow);
pdf.CurrentPage.DrawRectangle(block.GetX(), block.GetH(), width, height, Color.DarkRed);
}
}
}
}
}
static public void Show(PipelineInputPdf pdf, System.Collections.IEnumerable objectList, Color color)
{
foreach (var t in objectList)
{
var b = (IBlock)t;
pdf.CurrentPage.DrawRectangle(b.GetX(), b.GetH(), b.GetWidth(), b.GetHeight(), color);
}
}
public PipelineInputPdf Input(string filename)
{
var context = new PipelineInputPdf(filename, _factory, _cache);
this._activeContext = context;
this._inputFilename = filename;
return(context);
}
static public void Show(PipelineInputPdf pdf, BlockPage blockPage, Color color)
{
var blocks = blockPage.AllBlocks;
foreach (var b in blocks)
{
pdf.CurrentPage.DrawRectangle(b.GetX(), b.GetH(), b.GetWidth(), b.GetHeight(), color);
}
}
public void Dispose()
{
var disposable = _activeContext as IDisposable;
if (disposable != null)
{
disposable.Dispose();
}
_activeContext = null;
}
static public void ShowText(PipelineInputPdf pdf, BlockPage blockPage, Color color)
{
var blocks = blockPage.AllBlocks;
foreach (var b in blocks)
{
float diff = 2f;
pdf.CurrentPage.DrawRectangle(b.GetX() + diff / 2, b.GetH() + diff / 2, b.GetWidth() - diff, b.GetHeight() - diff, color);
pdf.CurrentPage.DrawText(b.GetX(), b.GetH() + b.GetHeight(), b.GetText(), b.GetHeight() / 2, color);
}
}
public PipelineInputPdfPage(PipelineFactory factory, PipelineInputPdf pipelineInputContext, int pageNumber)
{
var pdfPage = pipelineInputContext._pdfDocument.GetPage(pageNumber);
this._pdf = pipelineInputContext;
this._pageNumber = pageNumber;
this._pdfPage = pdfPage;
this._factory = factory;
PdfReaderException.SetContext(_pdf._input, pageNumber);
}
static public void ShowLine(PipelineInputPdf pdf, BlockPage blockPage, Color color)
{
var blocks = blockPage.AllBlocks;
float x1 = float.NaN;
float h1 = float.NaN;
foreach (var b in blocks)
{
float x2 = b.GetX() + b.GetWidth() / 2;
float h2 = b.GetH() + b.GetHeight() / 2;
if ((!float.IsNaN(x1)) && (!float.IsNaN(h1)))
{
pdf.CurrentPage.DrawLine(x1, h1, x2, h2, color);
}
x1 = x2;
h1 = h2;
}
}
static public void ShowWarnings(PipelineInputPdf pdf, IEnumerable <string> warnings)
{
string text = String.Join("\n", warnings);
pdf.CurrentPage.DrawWarning(text, 6, Color.Red);
}
static public void Output(PipelineInputPdf pdf, string filename)
{
pdf.Output(filename);
}
public PipelinePage(PipelineInputPdf pdf, int pageNumber)
{
this.Context = pdf;
this.PageNumber = pageNumber;
}