private static bool SaveImageToPdf(Image imageToSave, Stream stream)
{
try {
using (PdfDocument doc = new PdfDocument()) {
PdfPage page = new PdfPage();
doc.Pages.Add(page);
XGraphics xgr = XGraphics.FromPdfPage(page);
XImage img = XImage.FromGdiPlusImage(imageToSave);
if (img.PointWidth / img.PointHeight >= (double)page.Width / (double)page.Width)
{
xgr.DrawImage(img, 0, 0, page.Width, img.PixelHeight * page.Width / img.PixelWidth);
}
else
{
xgr.DrawImage(img, 0, 0, img.PixelWidth * page.Height / img.PixelHeight, page.Height);
}
doc.Save(stream, true);
doc.Close();
}
return(true);
}
catch (Exception ex) {
log.Error("Failed to save image to pdf, " + ex.Message);
}
return(false);
}
private void GenerateAttachmentPage(XGraphics gfx, Image image, int index)
{
index = index + 1;
//======================================================================================================================================//
//Add attachment header
var font = new XFont("Calibri", 15.0, XFontStyle.Bold);
var stringSize = gfx.MeasureString("Attachment " + index.ToString(), font);
var rect = new XRect(Margin, Margin, PageWidthLandscape - Margin * 2, font.GetHeight());
CreateTextFormatter(gfx, XParagraphAlignment.Left).DrawString("Attachment " + index.ToString(), font, TextBrush, rect, XStringFormats.TopLeft);
//======================================================================================================================================//
//Add attachment image
XImage ximg = XImage.FromGdiPlusImage(image);
//double width, height;
if (gfx.PageSize.Width > gfx.PageSize.Height)
{
//Landscape
gfx.DrawImage(ximg, PageWidthLandscape / 2 - ximg.PointWidth / 2, PageWidth / 2 - ximg.PointHeight / 2);
}
else
{
//Portrait
gfx.DrawImage(ximg, PageWidth / 2 - ximg.PointWidth / 2, PageWidthLandscape / 2 - ximg.PointHeight / 2);
}
}
public void GeneratePdf(string destination, IEnumerable <string> sourceFiles)
{
var document = new PdfDocument();
foreach (string fileName in sourceFiles)
{
if (!ValidateName(fileName))
{
continue;
}
var page = document.AddPage();
var graphics = XGraphics.FromPdfPage(page);
using (FileStream fs = new FileStream(fileName, FileMode.Open, FileAccess.Read))
{
using (Image image = Image.FromStream(fs))
{
var xImage = XImage.FromGdiPlusImage(image);
graphics.DrawImage(xImage, 0, 0, page.Width, page.Height);
}
}
}
document.Save(destination);
}
private void CreatePDF(Queue <QImage> images)
{
if (images.Count == 0)
{
return;
}
PdfDocument document = new PdfDocument();
foreach (var img in images)
{
if (!img.IsSeparator)
{
PdfPage page = document.AddPage();
XGraphics gfx = XGraphics.FromPdfPage(page);
XImage image = XImage.FromGdiPlusImage(img.Image);
double resize = img.Image.Width / 500d;
gfx.DrawImage(image, 50, 50, 500, img.Image.Height / resize);
}
}
document.Save(Path.Combine(config.DropFolder, DateTime.Now.ToString("yyyy-MM-dd_hh-mm-ss-fff") + ".pdf"));
// We can dispose images in previous loop but it is safier to do it once document is saved.
foreach (var img in images)
{
this.DoneImage(img);
}
}
/// <summary>
/// Generates a page for a chart containing a picture and a header
/// </summary>
/// <param name="gfx"></param>
/// <param name="chart">Image of chart</param>
private void GenerateChartPage(XGraphics gfx, Image chart)
{
//======================================================================================================================================//
//Add chart image
XImage ximg = XImage.FromGdiPlusImage(chart);
gfx.DrawImage(ximg, PageWidthLandscape / 2 - ximg.PointWidth / 2, PageWidth / 2 - ximg.PointHeight / 2);
}
static void Main()
{
// Create a new PDF document
PdfDocument document = new PdfDocument();
// Create an empty page
PdfPage page = document.AddPage();
// Get an XGraphics object for drawing
XGraphics gfx = XGraphics.FromPdfPage(page);
// Create a font
XFont font = new XFont("Verdana", 20, XFontStyle.BoldItalic);
// Draw the text
gfx.DrawString("Hello, World!", font, XBrushes.Black,
new XRect(0, 0, page.Width, page.Height),
XStringFormats.Center);
#if GDI
// Using GDI-specific routines.
// Make sure to use "#if GDI" for any usings you add for platform-specific code.
{
// Just for demo purposes, we create an image and draw it.
Image image = new Bitmap(@"..\..\Sample.png");
// XImage.FromGdiPlusImage is available with the GDI build only.
XImage gdiImage = XImage.FromGdiPlusImage(image);
gdiImage.Interpolate = false;
gfx.DrawImage(gdiImage, 0, 0, 16, 16);
}
#endif
#if WPF
// Using WPF-specific routines.
// Make sure to use "#if GDI" for any usings you add for platform-specific code.
{
// Just for demo purposes, we create an image and draw it.
BitmapImage image = new BitmapImage();
image.BeginInit();
image.UriSource = new Uri(@"..\..\Sample.png", UriKind.Relative);
image.CacheOption = BitmapCacheOption.OnLoad;
image.EndInit();
// XImage.FromBitmapSource is available with the WPF build only.
XImage gdiImage = XImage.FromBitmapSource(image);
gdiImage.Interpolate = false;
gfx.DrawImage(gdiImage, 0, 0, 16, 16);
}
#endif
// Save the document...
const string filename = "HelloWorld.pdf";
document.Save(filename);
// ...and start a viewer.
Process.Start(filename);
}
