public virtual void AddLine(PdfPageDetails page, Dictionary <PdfFontDetails, int> fontRef,
PdfTextLineDetails line, StringBuilder sb)
{
sb.Append($@"
<div class=""line"" style=""")
.Append("right:").Append((int)line.Right)
.Append("px;left:").Append((int)line.Left)
.Append("px;top:").Append((int)(line.Top))
.Append("px;width:").Append((int)(line.Width))
.Append("px;bottom:").Append((int)(page.Height - line.Bottom))
.Append("px\" >");
PdfLinkResult link = null;
foreach (var text in line.Texts)
{
if (text.LinkParent != null)
{
if (text.LinkParent != link)
{
AddLink(link = text.LinkParent, fontRef, sb);
}
continue;
}
AddText(text, fontRef, sb);
}
sb.Append(@"</div>");
}
private void AddShapes(PdfPageDetails page, StringBuilder sb)
{
if (page.Shapes.Count == 0)
{
return;
}
shapeWriter?.AddShapes(page, sb);
}
public string ConvertPage(PdfPageDetails page)
{
var sb = new StringBuilder();
var fontRef = CreateFontRef(page.Fonts);
var allLines = page.Lines;
StartHtml(sb, Title(page), page.RightToLeft, fontRef, allLines);
AddPage(page, fontRef, sb);
EndHtml(sb);
return(sb.ToString());
}
public override void AddShapes(PdfPageDetails page, StringBuilder sb)
{
sb.Append(@"
<svg class=""canvas"" height=""").Append(Math.Round(page.Height))
.Append("\" width=\"").Append(Math.Round(page.Width))
.Append("\" style=\"margin-top:-").Append(Math.Round(page.Height) + 2)
.Append("px;\">");
foreach (var shape in page.Shapes)
{
AddShape(shape, sb);
}
sb.Append(@"
</svg>");
}
protected virtual void AddPage(PdfPageDetails page, Dictionary <PdfFontDetails, int> fontRef, StringBuilder sb)
{
AddHeader(page, sb);
sb.Append(@"
<article class=""article"" dir=""").Append(page.RightToLeft ? "rtl" : "ltr")
.Append("\" style=\"width: ").Append(Math.Round(page.Width))
.Append("px;height:").Append(Math.Round(page.Height))
.Append("px;\">");
foreach (var pdfImage in page.Images)
{
imageWriter.AddImage(page, pdfImage, sb);
}
foreach (var line in page.Lines)
{
textWriter.AddLine(page, fontRef, line, sb);
}
sb.Append(@"
</article>");
AddShapes(page, sb);
}
public override void AddShapes(PdfPageDetails page, StringBuilder sb)
{
sb.Append(@"
<canvas class=""canvas"" id=""canvas-").Append(page.PageNumber)
.Append("\" style=\"width: ")
.Append(Math.Round(page.Width))
.Append("px;height:").Append(Math.Round(page.Height))
.Append("px;margin-top:-").Append(Math.Round(page.Height) + 2)
.Append("px;\" width=\" ")
.Append(Math.Round(page.Width))
.Append("\" height=\"").Append(Math.Round(page.Height)).Append("\"></canvas>");
sb.Append(@"
<script>
currentCanvas= document.getElementById('canvas-").Append(page.PageNumber).Append(@"');");
foreach (var shape in page.Shapes)
{
AddShape(shape, sb);
}
sb.Append(@"
</script>");
}
public virtual void AddImage(PdfPageDetails page, PdfImageDetails image, StringBuilder sb)
{
sb.Append(@"
<img class=""image"" height=""").Append(image.Height)
.Append("\" width=\"")
.Append(image.Width).Append("\" src=\"");
if (embeddedImages || dirImages == null)
{
sb.Append("data:image/png;base64, ")
.Append(Convert.ToBase64String(image.Buffer));
}
else
{
string path;
lock (this)
{
FileInfo file;
do
{
file = new FileInfo(Path.Combine(dirImages, "image" + indexImage++ + ".png"));
}while (file.Exists);
path = file.FullName;
File.WriteAllBytes(path, image.Buffer);
}
sb.Append(path);
}
// if (image.Alt != null)
// sb.Append("\" alt=\"").Append(image.Alt);
sb.Append("\" style=\"")
.Append(page.RightToLeft ? "right" : "left")
.Append(":").Append((int)((page.RightToLeft ? image.Right : image.Left)))
.Append("px; top:").Append((int)(image.Top)).Append("px\">");
;
}
public abstract void AddShapes(PdfPageDetails page, StringBuilder sb);
protected virtual string Title(PdfPageDetails page)
{
return("pdf page " + page.PageNumber);
}
protected virtual void AddHeader(PdfPageDetails page, StringBuilder sb)
{
sb.Append(@"
<h2 class=""header"" style=""width: ").Append(Math.Round(page.Width))
.Append("px;\">Page ").Append(page.PageNumber).Append("</h2>");
}