/// <summary>
/// Gets next page from stream. Returns false if no more pages
/// </summary>
/// <param name="streamToPrint"></param>
/// <param name="page"></param>
/// <returns></returns>
// TODO: Deal with PageFeeds
// TODO: Support different forms of linewrap (truncate/clip, word, line)
// TODO: Support custom line wrap symbol
//private bool NextPage(StreamReader streamToPrint, out Page page) {
// page = new Page(containingSheet);
// // define context used for determining glyph metrics.
// using Bitmap bitmap = new Bitmap(1, 1);
// Graphics g = Graphics.FromImage(bitmap);
// //g = Graphics.FromHwnd(PrintPreview.Instance.Handle);
// g.PageUnit = GraphicsUnit.Document;
// SizeF size = HtmlRender.MeasureGdiPlus(g, html, containingSheet.GetPageWidth());
// return false;
//}
/// <summary>
/// Paints a single page
/// </summary>
/// <param name="g">Graphics with 0,0 being the origin of the Page</param>
/// <param name="pageNum">Page number to print</param>
public override void PaintPage(Graphics g, int pageNum)
{
//if (pageNum > NumPages) {
// Logging.TraceMessage($"HtmlFileContent.PaintPage({pageNum}) when NumPages is {NumPages}");
// return;
//}
if (_litehtml == null || _ready == false)
{
//Log.Debug($"HtmlFileContent.PaintPage({pageNum}) when litehtml is not ready.");
return;
}
SizeF pagesizeInPixels;
var state = g.Save();
if (g.PageUnit == GraphicsUnit.Display)
{
// Print
pagesizeInPixels = new SizeF(PageSize.Width, PageSize.Height);
}
else
{
// Preview
pagesizeInPixels = new SizeF(PageSize.Width / 100 * g.DpiX, PageSize.Height / 100 * g.DpiY);
g.PageUnit = GraphicsUnit.Display;
}
//if (litehtml.Graphics == null) {
// Logging.TraceMessage($"new print job. Rendering again");
// // This is a new print job. Re-render with new DPI
// litehtml.Graphics = g;
// litehtml.SetViewport(new LiteHtmlPoint(0, 0), new LiteHtmlSize(PageSize.Width, PageSize.Height));
// int bestWidth = litehtml.Document.Render((int)PageSize.Width);
//}
LogService.TraceMessage($"HtmlFileContent.PaintPage({pageNum} - {g.DpiX}x{g.DpiY} dpi. PageUnit = {g.PageUnit.ToString()})");
_litehtml.Graphics = g;
g.TextRenderingHint = ContentTypeEngineBase.TextRenderingHint;
var yPos = (pageNum - 1) * (int)Math.Round(PageSize.Height);
if (!ContentSettings.Diagnostics)
{
g.SetClip(new Rectangle(0, 0, (int)Math.Round(PageSize.Width), (int)Math.Round(PageSize.Height)));
}
var size = new LiteHtmlSize(Math.Round(PageSize.Width), Math.Round(PageSize.Height));
_litehtml.Document.Draw(-0, -yPos, new position {
x = 0,
y = 0,
width = (int)size.Width,
height = (int)size.Height
});
_litehtml.Graphics = null;
//litehtml.SetViewport(new LiteHtmlPoint(0, yPos), new LiteHtmlSize(Math.Round(PageSize.Width), Math.Round(PageSize.Height)));
//litehtml.ScrollOffset = new LiteHtmlPoint(0, yP
// os);
//litehtml.Draw();
//g.DrawImage(htmlBitmap, 0, 0);
//g.DrawRectangle(Pens.Red, new Rectangle(0, 0, (int)Math.Round(PageSize.Width), (int)Math.Round(PageSize.Height)));
g.Restore(state);
}
public static CGSize ToCGSize(this LiteHtmlSize viewportSize)
{
return(new CGSize(viewportSize.Width, viewportSize.Height));
}
private void Container_DocumentSizeKnown(LiteHtmlSize size)
{
Width = size.Width;
Height = size.Height;
SetViewport();
}
void LiteHtmlView_DocumentSizeKnown(LiteHtmlSize size)
{
LiteHtmlView.SetFrameSize(new CGSize(scrollView.ContentView.Bounds.Width, size.Height));
LiteHtmlView.SetViewport(new CGRect(scrollView.ContentView.Bounds.Location, scrollView.ContentView.Frame.Size));
}
