private void Button_Click(object sender, RoutedEventArgs e)
{
// get stream to save to
var dlg = new SaveFileDialog();
dlg.DefaultExt = ".pdf";
var dr = dlg.ShowDialog();
if (!dr.HasValue || !dr.Value)
{
return;
}
// get sender button
var btn = sender as Button;
// create document
var pdf = new C1PdfDocument(PaperKind.Letter);
pdf.Clear();
// set document info
var di = pdf.DocumentInfo;
di.Author = "ComponentOne";
di.Subject = "C1.WPF.Pdf demo.";
di.Title = "Experimental VisualTree Exporter for PDF";
// walk visual tree
CreateDocumentVisualTree(pdf, content);
// render footers
// this reopens each page and adds content to them (now we know the page count).
var font = new Font("Arial", 8, PdfFontStyle.Bold);
var fmt = new StringFormat();
fmt.Alignment = HorizontalAlignment.Right;
fmt.LineAlignment = VerticalAlignment.Bottom;
for (int page = 0; page < pdf.Pages.Count; page++)
{
pdf.CurrentPage = page;
var text = string.Format("C1.WPF.Pdf: {0}, page {1} of {2}",
di.Title,
page + 1,
pdf.Pages.Count);
pdf.DrawString(
text,
font,
Colors.DarkGray,
PdfUtils.Inflate(pdf.PageRectangle, -72, -36),
fmt);
}
// save document
using (var stream = dlg.OpenFile())
{
pdf.Save(stream);
}
MessageBox.Show("Pdf Document saved to " + dlg.SafeFileName);
}
static Rect RenderTableHeader(C1PdfDocument pdf, Font font, Rect rc, string[] fields)
{
// calculate cell width (same for all columns)
Rect rcCell = rc;
rcCell.Width = rc.Width / fields.Length;
rcCell.Height = 0;
// calculate cell height (max of all columns)
foreach (string field in fields)
{
var height = pdf.MeasureString(field, font, rcCell.Width).Height;
rcCell.Height = Math.Max(rcCell.Height, height);
}
rcCell.Height += 6; // add 6 point margin
// render header cells
var fmt = new StringFormat();
fmt.LineAlignment = VerticalAlignment.Center;
foreach (string field in fields)
{
pdf.FillRectangle(Colors.Black, rcCell);
pdf.DrawString(field, font, Colors.White, rcCell, fmt);
rcCell = PdfUtils.Offset(rcCell, rcCell.Width, 0);
}
// update rectangle and return it
return(PdfUtils.Offset(rc, 0, rcCell.Height));
}
//---------------------------------------------------------------------------------
#region ** quotes
static void CreateDocumentQuotes(C1PdfDocument pdf)
{
// calculate page rect (discounting margins)
Rect rcPage = PdfUtils.PageRectangle(pdf);
Rect rc = rcPage;
// initialize output parameters
Font hdrFont = new Font("Arial", 14, PdfFontStyle.Bold);
Font titleFont = new Font("Arial", 24, PdfFontStyle.Bold);
Font txtFont = new Font("Times New Roman", 10, PdfFontStyle.Italic);
// add title
rc = PdfUtils.RenderParagraph(pdf, pdf.DocumentInfo.Title, titleFont, rcPage, rc);
// build document
foreach (string s in GetQuotes())
{
string[] authorQuote = s.Split('\t');
// render header (author)
var author = authorQuote[0];
rc.Y += 20;
rc = PdfUtils.RenderParagraph(pdf, author, hdrFont, rcPage, rc, true);
// render body text (quote)
string text = authorQuote[1];
rc.X = rcPage.X + 36; // << indent body text by 1/2 inch
rc.Width = rcPage.Width - 40;
rc = PdfUtils.RenderParagraph(pdf, text, txtFont, rcPage, rc);
rc.X = rcPage.X; // << restore indent
rc.Width = rcPage.Width;
rc.Y += 12; // << add 12pt spacing after each quote
}
}
static Rect RenderTableRow(C1PdfDocument pdf, Font font, Font hdrFont, Rect rcPage, Rect rc, string[] fields, DataRow dr)
{
// calculate cell width (same for all columns)
Rect rcCell = rc;
rcCell.Width = rc.Width / fields.Length;
rcCell.Height = 0;
// calculate cell height (max of all columns)
rcCell = PdfUtils.Inflate(rcCell, -4, 0);
foreach (string field in fields)
{
string text = dr[field].ToString();
var height = pdf.MeasureString(text, font, rcCell.Width).Height;
rcCell.Height = Math.Max(rcCell.Height, height);
}
rcCell = PdfUtils.Inflate(rcCell, 4, 0); // add 4 point margin
rcCell.Height += 2;
// break page if we have to
if (rcCell.Bottom > rcPage.Bottom)
{
pdf.NewPage();
rc = RenderTableHeader(pdf, hdrFont, rcPage, fields);
rcCell.Y = rc.Y;
}
// center vertically just to show how
StringFormat fmt = new StringFormat();
fmt.LineAlignment = VerticalAlignment.Center;
// render data cells
foreach (string field in fields)
{
// get content
string text = dr[field].ToString();
// set horizontal alignment
double d;
fmt.Alignment = (double.TryParse(text, NumberStyles.Any, CultureInfo.CurrentCulture, out d))
? HorizontalAlignment.Right
: HorizontalAlignment.Left;
// render cell
pdf.DrawRectangle(Colors.LightGray, rcCell);
rcCell = PdfUtils.Inflate(rcCell, -4, 0);
pdf.DrawString(text, font, Colors.Black, rcCell, fmt);
rcCell = PdfUtils.Inflate(rcCell, 4, 0);
rcCell = PdfUtils.Offset(rcCell, rcCell.Width, 0);
}
// update rectangle and return it
return(PdfUtils.Offset(rc, 0, rcCell.Height));
}
public Preview()
{
InitializeComponent();
btnSave.Click += HandleSaveClick;
fv.DocumentSource = pdfDocSource;
this.PdfDocument = new C1PdfDocument();
var rc = PdfUtils.PageRectangle(this.PdfDocument);
PdfUtils.RenderParagraph(this.PdfDocument, "Welcome to C1Pdf", new Font("Verdana", 24), rc, rc);
}
//---------------------------------------------------------------------------------
#region ** paper sizes
static void CreateDocumentPaperSizes(C1PdfDocument pdf)
{
// add title
Font titleFont = new Font("Tahoma", 24, PdfFontStyle.Bold);
Rect rc = PdfUtils.PageRectangle(pdf);
PdfUtils.RenderParagraph(pdf, pdf.DocumentInfo.Title, titleFont, rc, rc, false);
// create constant font and StringFormat objects
Font font = new Font("Tahoma", 18);
StringFormat sf = new StringFormat();
sf.Alignment = HorizontalAlignment.Center;
sf.LineAlignment = VerticalAlignment.Center;
// create one page with each paper size
bool firstPage = true;
foreach (var fi in typeof(PaperKind).GetFields(BindingFlags.Static | BindingFlags.Public))
{
// Silverlight/Phone doesn't have Enum.GetValues
PaperKind pk = (PaperKind)fi.GetValue(null);
// skip custom size
if (pk == PaperKind.Custom)
{
continue;
}
// add new page for every page after the first one
if (!firstPage)
{
pdf.NewPage();
}
firstPage = false;
// set paper kind and orientation
pdf.PaperKind = pk;
pdf.Landscape = !pdf.Landscape;
// draw some content on the page
rc = PdfUtils.PageRectangle(pdf);
rc = PdfUtils.Inflate(rc, -6, -6);
string text = string.Format("PaperKind: [{0}];\r\nLandscape: [{1}];\r\nFont: [Tahoma 18pt]",
pdf.PaperKind, pdf.Landscape);
pdf.DrawString(text, font, Colors.Black, rc, sf);
pdf.DrawRectangle(Colors.Black, rc);
}
}
//---------------------------------------------------------------------------------
#region ** images
static void CreateDocumentImages(C1PdfDocument pdf)
{
// calculate page rect (discounting margins)
Rect rcPage = PdfUtils.PageRectangle(pdf);
// load image into writeable bitmap
BitmapImage bi = new BitmapImage();
bi.BeginInit();
bi.StreamSource = DataAccess.GetStream("borabora.jpg");
bi.EndInit();
var wb = new WriteableBitmap(bi);
// center image on page preserving aspect ratio
pdf.DrawImage(wb, rcPage, ContentAlignment.MiddleCenter, Stretch.Uniform);
}
//---------------------------------------------------------------------------------
#region ** text
static void CreateDocumentText(C1PdfDocument pdf)
{
// use landscape for more impact
pdf.Landscape = true;
// measure and show some text
var text = "Lorem Ipsum is simply dummy text of the printing and typesetting industry. Lorem Ipsum has been the industry's standard dummy text ever since the 1500s, when an unknown printer took a galley of type and scrambled it to make a type specimen book. It has survived not only five centuries, but also the leap into electronic typesetting, remaining essentially unchanged. It was popularised in the 1960s with the release of Letraset sheets containing Lorem Ipsum passages, and more recently with desktop publishing software like Aldus PageMaker including versions of Lorem Ipsum.";
var font = new Font("Times New Roman", 9, PdfFontStyle.Italic);
// create StringFormat used to set text alignment and line spacing
var fmt = new StringFormat();
fmt.LineSpacing = -1.5; // 1.5 char height
fmt.Alignment = HorizontalAlignment.Center;
// measure it
var sz = pdf.MeasureString(text, font, 72 * 3, fmt);
var rc = new Rect(pdf.PageRectangle.Width / 2, 72, sz.Width, sz.Height);
rc = PdfUtils.Offset(rc, 72, 0);
// draw a rounded frame
rc = PdfUtils.Inflate(rc, 10, 10);
pdf.FillRectangle(Colors.Black, rc, new Size(30, 30));
pdf.DrawRectangle(new Pen(Colors.Red, 4), rc, new Size(30, 30));
rc = PdfUtils.Inflate(rc, -10, -10);
// draw the text
pdf.DrawString(text, font, Colors.White, rc, fmt);
// point in center for rotate the text
rc = pdf.PageRectangle;
var pt = new Point(rc.Location.X + rc.Width / 2, rc.Location.Y + rc.Height / 2);
// rotate the string in small increments
var step = 6;
text = "PDF works in WPF!";
for (int i = 0; i <= 360; i += step)
{
pdf.RotateAngle = i;
font = new Font("Courier New", 8 + i / 30.0, PdfFontStyle.Bold);
byte b = (byte)(255 * (1 - i / 360.0));
pdf.DrawString(text, font, Color.FromArgb(0xff, b, b, b), pt);
}
}
void CreateDocumentVisualTree(C1PdfDocument pdf, FrameworkElement targetElement)
{
// set up to render
var font = new Font("Courier", 14);
var img = new WriteableBitmap(CreateBitmap(targetElement));
// go render
bool firstPage = true;
foreach (Stretch stretch in new Stretch[] { Stretch.Fill, Stretch.None, Stretch.Uniform, Stretch.UniformToFill })
{
// add page break
if (!firstPage)
{
pdf.NewPage();
}
firstPage = false;
// set up to render
var alignment = ContentAlignment.TopLeft;
var rc = PdfUtils.Inflate(pdf.PageRectangle, -72, -72);
rc.Height /= 2;
// render element as image
pdf.DrawString("Element as Image, Stretch: " + stretch.ToString(), font, Colors.Black, rc);
rc = PdfUtils.Inflate(rc, -20, -20);
pdf.DrawImage(img, rc, alignment, stretch);
pdf.DrawRectangle(Colors.Green, rc);
rc = PdfUtils.Inflate(rc, +20, +20);
pdf.DrawRectangle(Colors.Green, rc);
// move to bottom of the page
rc = PdfUtils.Offset(rc, 0, rc.Height + 20);
// render element
pdf.DrawString("Element as VisualTree, Stretch: " + stretch.ToString(), font, Colors.Black, rc);
rc = PdfUtils.Inflate(rc, -20, -20);
pdf.DrawElement(targetElement, rc, alignment, stretch);
pdf.DrawRectangle(Colors.Green, rc);
rc = PdfUtils.Inflate(rc, +20, +20);
pdf.DrawRectangle(Colors.Green, rc);
}
}
static Rect RenderTable(C1PdfDocument pdf, Rect rc, Rect rcPage, DataTable table, string[] fields)
{
// select fonts
Font hdrFont = new Font("Tahoma", 10, PdfFontStyle.Bold);
Font txtFont = new Font("Tahoma", 8);
// build table
pdf.AddBookmark(table.TableName, 0, rc.Y);
rc = PdfUtils.RenderParagraph(pdf, "NorthWind " + table.TableName, hdrFont, rcPage, rc, false);
// build table
rc = RenderTableHeader(pdf, hdrFont, rc, fields);
foreach (DataRow dr in table.Rows)
{
rc = RenderTableRow(pdf, txtFont, hdrFont, rcPage, rc, fields, dr);
}
// done
return(rc);
}
public static void Save(this C1PdfDocument pdf)
{
var pdfDocSource = new C1PdfDocumentSource();
var flexViewer = new C1FlexViewer();
flexViewer.DocumentSource = pdfDocSource;
pdfDocSource.LoadFromStream(PdfUtils.SaveToStream(pdf));
//var dlg = new SaveFileDialog();
//dlg.DefaultExt = ".pdf";
//var dr = dlg.ShowDialog();
//if (!dr.HasValue || !dr.Value)
//{
// return;
//}
//using (var stream = dlg.OpenFile())
//{
// pdf.Save(stream);
//}
}
//---------------------------------------------------------------------------------
#region ** tables
static void CreateDocumentTables(C1PdfDocument pdf)
{
// get the data
var ds = DataAccess.GetDataSet();
// calculate page rect (discounting margins)
Rect rcPage = PdfUtils.PageRectangle(pdf);
Rect rc = rcPage;
// add title
Font titleFont = new Font("Tahoma", 24, PdfFontStyle.Bold);
rc = PdfUtils.RenderParagraph(pdf, pdf.DocumentInfo.Title, titleFont, rcPage, rc, false);
// render some tables
RenderTable(pdf, rc, rcPage, ds.Tables["Customers"], new string[] { "CompanyName", "ContactName", "Country", "Address", "Phone" });
pdf.NewPage();
rc = rcPage;
RenderTable(pdf, rc, rcPage, ds.Tables["Products"], new string[] { "ProductName", "QuantityPerUnit", "UnitPrice", "UnitsInStock", "UnitsOnOrder" });
pdf.NewPage();
rc = rcPage;
RenderTable(pdf, rc, rcPage, ds.Tables["Employees"], new string[] { "FirstName", "LastName", "Country", "Notes" });
}
public void Show()
{
pdfDocSource.LoadFromStream(PdfUtils.SaveToStream(this.PdfDocument));
base.Title = string.Format("PDF Viewer | {0}", this.PdfDocument.DocumentInfo.Title);
base.Show();
}
//---------------------------------------------------------------------------------
#region ** text flow
static void CreateDocumentTextFlow(C1PdfDocument pdf)
{
// load long string from resource file
string text = "Resource not found...";
using (var sr = new StreamReader(DataAccess.GetStream("flow.txt")))
{
text = sr.ReadToEnd();
}
text = text.Replace("\t", " ");
text = string.Format("{0}\r\n\r\n---oOoOoOo---\r\n\r\n{0}", text);
// create pdf document
pdf.DocumentInfo.Title = "Text Flow";
// add title
Font titleFont = new Font("Tahoma", 24, PdfFontStyle.Bold);
Font bodyFont = new Font("Tahoma", 9);
Rect rcPage = PdfUtils.PageRectangle(pdf);
Rect rc = PdfUtils.RenderParagraph(pdf, pdf.DocumentInfo.Title, titleFont, rcPage, rcPage, false);
rc.Y += titleFont.Size + 6;
rc.Height = rcPage.Height - rc.Y;
// create two columns for the text
Rect rcLeft = rc;
rcLeft.Width = rcPage.Width / 2 - 12;
rcLeft.Height = 300;
rcLeft.Y = (rcPage.Y + rcPage.Height - rcLeft.Height) / 2;
Rect rcRight = rcLeft;
rcRight.X = rcPage.Right - rcRight.Width;
// start with left column
rc = rcLeft;
// render string spanning columns and pages
for (; ;)
{
// render as much as will fit into the rectangle
rc = PdfUtils.Inflate(rc, -3, -3);
int nextChar = pdf.DrawString(text, bodyFont, Colors.Black, rc);
rc = PdfUtils.Inflate(rc, +3, +3);
pdf.DrawRectangle(Colors.LightGray, rc);
// break when done
if (nextChar >= text.Length)
{
break;
}
// get rid of the part that was rendered
text = text.Substring(nextChar);
// switch to right-side rectangle
if (rc.Left == rcLeft.Left)
{
rc = rcRight;
}
else // switch to left-side rectangle on the next page
{
pdf.NewPage();
rc = rcLeft;
}
}
}
//---------------------------------------------------------------------------------
#region ** table of contents
static void CreateDocumentTOC(C1PdfDocument pdf)
{
// create pdf document
pdf.DocumentInfo.Title = "Document with Table of Contents";
// add title
Font titleFont = new Font("Tahoma", 24, PdfFontStyle.Bold);
Rect rcPage = PdfUtils.PageRectangle(pdf);
Rect rc = PdfUtils.RenderParagraph(pdf, pdf.DocumentInfo.Title, titleFont, rcPage, rcPage, false);
rc.Y += 12;
// create nonsense document
var bkmk = new List <string[]>();
Font headerFont = new Font("Arial", 14, PdfFontStyle.Bold);
Font bodyFont = new Font("Times New Roman", 11);
for (int i = 0; i < 30; i++)
{
// create ith header (as a link target and outline entry)
string header = string.Format("{0}. {1}", i + 1, BuildRandomTitle());
rc = PdfUtils.RenderParagraph(pdf, header, headerFont, rcPage, rc, true, true);
// save bookmark to build TOC later
int pageNumber = pdf.CurrentPage + 1;
bkmk.Add(new string[] { pageNumber.ToString(), header });
// create some text
rc.X += 36;
rc.Width -= 36;
for (int j = 0; j < 3 + _rnd.Next(20); j++)
{
string text = BuildRandomParagraph();
rc = PdfUtils.RenderParagraph(pdf, text, bodyFont, rcPage, rc);
rc.Y += 6;
}
rc.X -= 36;
rc.Width += 36;
rc.Y += 20;
}
// start Table of Contents
pdf.NewPage(); // start TOC on a new page
int tocPage = pdf.CurrentPage; // save page index (to move TOC later)
rc = PdfUtils.RenderParagraph(pdf, "Table of Contents", titleFont, rcPage, rcPage, true);
rc.Y += 12;
rc.X += 30;
rc.Width -= 40;
// render Table of Contents
Pen dottedPen = new Pen(Colors.Gray, 1.5f);
dottedPen.DashStyle = DashStyle.Dot;
StringFormat sfRight = new StringFormat();
sfRight.Alignment = HorizontalAlignment.Right;
rc.Height = bodyFont.Size * 1.2;
foreach (string[] entry in bkmk)
{
// get bookmark info
string page = entry[0];
string header = entry[1];
// render header name and page number
pdf.DrawString(header, bodyFont, Colors.Black, rc);
pdf.DrawString(page, bodyFont, Colors.Black, rc, sfRight);
#if true
// connect the two with some dots (looks better than a dotted line)
string dots = ". ";
var wid = pdf.MeasureString(dots, bodyFont).Width;
var x1 = rc.X + pdf.MeasureString(header, bodyFont).Width + 8;
var x2 = rc.Right - pdf.MeasureString(page, bodyFont).Width - 8;
var x = rc.X;
for (rc.X = x1; rc.X < x2; rc.X += wid)
{
pdf.DrawString(dots, bodyFont, Colors.Gray, rc);
}
rc.X = x;
#else
// connect with a dotted line (another option)
var x1 = rc.X + pdf.MeasureString(header, bodyFont).Width + 5;
var x2 = rc.Right - pdf.MeasureString(page, bodyFont).Width - 5;
var y = rc.Top + bodyFont.Size;
pdf.DrawLine(dottedPen, x1, y, x2, y);
#endif
// add local hyperlink to entry
pdf.AddLink("#" + header, rc);
// move on to next entry
rc = PdfUtils.Offset(rc, 0, rc.Height);
if (rc.Bottom > rcPage.Bottom)
{
pdf.NewPage();
rc.Y = rcPage.Y;
}
}
// move table of contents to start of document
PdfPage[] arr = new PdfPage[pdf.Pages.Count - tocPage];
pdf.Pages.CopyTo(tocPage, arr, 0, arr.Length);
pdf.Pages.RemoveRange(tocPage, arr.Length);
pdf.Pages.InsertRange(0, arr);
}
public static void HandleButtonClick(object sender, RoutedEventArgs e)
{
// get sender button
var btn = sender as Button;
// create document
var pdf = new C1PdfDocument(PaperKind.Letter);
pdf.Clear();
// set document info
var di = pdf.DocumentInfo;
di.Author = "ComponentOne";
di.Subject = "C1.WPF.Pdf demo.";
di.Title = (string)btn.Content;
//// add some security
//if (false)
//{
// var si = pdf.Security;
// si.AllowPrint = false;
// si.AllowEditAnnotations = false;
// si.AllowEditContent = false;
// si.AllowCopyContent = false;
// //si.UserPassword = "******";
// //si.OwnerPassword = "******";
//}
//// set viewer preferences
//if (false)
//{
// var vp = pdf.ViewerPreferences;
// vp.CenterWindow = true;
// vp.FitWindow = true;
// vp.PageLayout = PageLayout.TwoColumnLeft;
// vp.PageMode = PageMode.FullScreen;
//}
// create document
switch (di.Title)
{
case "Quotes":
CreateDocumentQuotes(pdf);
break;
case "Tables":
CreateDocumentTables(pdf);
break;
case "Images":
CreateDocumentImages(pdf);
break;
case "Paper Sizes":
CreateDocumentPaperSizes(pdf);
break;
case "Table of Contents":
CreateDocumentTOC(pdf);
break;
case "Text Flow":
CreateDocumentTextFlow(pdf);
break;
case "Text":
CreateDocumentText(pdf);
break;
case "Graphics":
CreateDocumentGraphics(pdf);
break;
}
// render footers
// this reopens each page and adds content to them (now we know the page count).
var font = new Font("Arial", 8, PdfFontStyle.Bold);
var fmt = new StringFormat();
fmt.Alignment = HorizontalAlignment.Right;
fmt.LineAlignment = VerticalAlignment.Bottom;
for (int page = 0; page < pdf.Pages.Count; page++)
{
pdf.CurrentPage = page;
var text = string.Format("C1.WPF.Pdf: {0}, page {1} of {2}",
di.Title,
page + 1,
pdf.Pages.Count);
pdf.DrawString(
text,
font,
Colors.DarkGray,
PdfUtils.Inflate(pdf.PageRectangle, -72, -36),
fmt);
}
var w = new Preview();
w.PdfDocument = pdf;
w.Show();
}
