public FlexPaginator(C1FlexGrid flex, ScaleMode scaleMode, Size pageSize, Thickness margin, int maxPages)
{
// save parameters
_margin = margin;
_scaleMode = scaleMode;
_pageSize = pageSize;
// adjust page size for margins before building grid images
pageSize.Width -= (margin.Left + margin.Right);
pageSize.Height -= (margin.Top + margin.Bottom);
// get grid images for each page
_pages = flex.GetPageImages(scaleMode, pageSize, maxPages);
}
public static void RenderGrid(C1PdfDocument pdf, C1FlexGrid flex, PdfExportOptions options)
{
// get rendering options
if (options == null)
{
options = new PdfExportOptions();
}
// get root element to lay out the PDF pages
Panel root = null;
for (var parent = flex.Parent as FrameworkElement; parent != null; parent = parent.Parent as FrameworkElement)
{
if (parent is Panel)
{
root = parent as Panel;
}
}
// get page size
var rc = pdf.PageRectangle;
// create panel to hold elements while they render
var pageTemplate = new PageTemplate();
pageTemplate.Width = rc.Width;
pageTemplate.Height = rc.Height;
pageTemplate.SetPageMargin(options.Margin);
root.Children.Add(pageTemplate);
// render grid into PDF document
var m = options.Margin;
var sz = new Size(rc.Width - m.Left - m.Right, rc.Height - m.Top - m.Bottom);
var pages = flex.GetPageImages(options.ScaleMode, sz, 100);
for (int i = 0; i < pages.Count; i++)
{
// skip a page when necessary
if (i > 0)
{
pdf.NewPage();
}
// set content
pageTemplate.PageContent.Child = pages[i];
pageTemplate.PageContent.Stretch = options.ScaleMode == ScaleMode.ActualSize
? System.Windows.Media.Stretch.None
: System.Windows.Media.Stretch.Uniform;
// set header/footer text
pageTemplate.HeaderLeft.Text = options.DocumentTitle;
if (options.KnownPageCount)
{
pageTemplate.FooterRight.Text = string.Format("Page {0} of {1}",
pdf.CurrentPage + 1, pages.Count);
}
else
{
pageTemplate.FooterRight.Text = string.Format("Page {0}",
pdf.CurrentPage + 1);
}
// measure page element
pageTemplate.UpdateLayout();
pageTemplate.Arrange(new Rect(0, 0, rc.Width, rc.Height));
// add to PDF
pdf.DrawElement(pageTemplate, rc);
}
// done with template
root.Children.Remove(pageTemplate);
}
//Adding pages to the list of framework elements
public void AddPages(C1FlexGrid flex)
{
_pages.AddRange(flex.GetPageImages(_scaleMode, _pageSize, 100));
}
