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));
}
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));
}
//---------------------------------------------------------------------------------
#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);
}
}
//---------------------------------------------------------------------------------
#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);
}
