Image RenderPage(PDFLibNet.PDFWrapper doc, int page)
{
doc.CurrentPage = page + 1;
doc.CurrentX = 0;
doc.CurrentY = 0;
using (var box = new PictureBox())
{
// have to give the document a handle to render into
doc.RenderPage(box.Handle);
// create an image to draw the page into
var buffer = new Bitmap(doc.PageWidth, doc.PageHeight);
doc.ClientBounds = new Rectangle(0, 0, doc.PageWidth, doc.PageHeight);
using (var g = Graphics.FromImage(buffer))
{
var hdc = g.GetHdc();
try
{
doc.DrawPageHDC(hdc);
}
finally
{
g.ReleaseHdc();
}
}
return buffer;
}
}
/* ----------------------------------------------------------------- */
/// PrintBitmap
/* ----------------------------------------------------------------- */
private void PrintBitmap(System.Drawing.Printing.PrintDocument document, PDFLibNet.PDFWrapper core)
{
var settings = new { page = core.CurrentPage, zoom = core.Zoom };
document.PrintPage += new PrintPageEventHandler(PrintDocument_PrintPage);
core.CurrentPage = (document.PrinterSettings.PrintRange == PrintRange.AllPages) ?
1 : document.PrinterSettings.FromPage;
document.Print();
core.CurrentPage = settings.page;
core.Zoom = settings.zoom;
core.RenderPage(IntPtr.Zero, false, false);
}
//-------------------------------------------------------------------------
private Bitmap GetBitmapFromPDFPage(PDFLibNet.PDFWrapper pdfDoc, int pageNumber)
{
if (pdfDoc == null) return null;
//try
//{
pdfDoc.CurrentPage = pageNumber;
double dpi = pdfDoc.RenderDPI;
System.Windows.Forms.PictureBox pic = new System.Windows.Forms.PictureBox();
pic.Width = 2560 + 17;//PhysicalDimension = {Width = 2560.0 Height = 3328.0}
//pic.Height = 3328;//PhysicalDimension = {Width = 2560.0 Height = 3312.0}
pdfDoc.FitToWidth(pic.Handle);
pic.Height = pdfDoc.PageHeight;
//pictureBox1.Height = pdfDoc.PageHeight;
pdfDoc.RenderPage(pic.Handle);
pdfDoc.ClientBounds = new System.Drawing.Rectangle(0, 0, pdfDoc.PageWidth, pdfDoc.PageHeight);
Bitmap backbuffer = new Bitmap(pdfDoc.PageWidth, pdfDoc.PageHeight);
using (Graphics g = Graphics.FromImage(backbuffer))
{//недопустимый параметр при 8 потоках
pdfDoc.DrawPageHDC(g.GetHdc());
g.ReleaseHdc();
}
pic.Dispose();
//var entryBitmap = (Bitmap)backbuffer.Clone();
//backbuffer.Dispose();
return backbuffer;// entryBitmap;
//}
//catch (Exception)
//{
// return null;
//}
}