// ===========================================================================
// ©2013-2026 WebSupergoo. All rights reserved.
//
// This source code is for use exclusively with the ABCpdf product with
// which it is distributed, under the terms of the license for that
// product. Details can be found at
//
// http://www.websupergoo.com/
//
// This copyright notice must not be deleted and must be reproduced alongside
// any sections of code extracted from this module.
// ===========================================================================
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using System.IO;
using WebSupergoo.ABCpdf14;
namespace HtmlTables {
public partial class Form1 : Form {
public Form1() {
InitializeComponent();
}
private string basePath;
private void Form1_Load(object sender, EventArgs e) {
string theBase = Directory.GetCurrentDirectory();
basePath = Directory.GetParent(theBase).Parent.Parent.FullName + "\\";
}
private void button1_Click(object sender, EventArgs e) {
HtmlToPdf(basePath + @"TestFiles\Nested.htm", basePath + @"TestFiles\Nested.pdf");
}
private void button2_Click(object sender, EventArgs e) {
HtmlToPdf(basePath + @"TestFiles\Paging.htm", basePath + @"TestFiles\Paging.pdf");
}
private void button3_Click(object sender, EventArgs e) {
HtmlToPdf(basePath + @"TestFiles\Invoice.htm", basePath + @"TestFiles\Invoice.pdf");
}
private void button4_Click(object sender, EventArgs e) {
string[] files = Directory.GetFiles(basePath, "*.htm");
foreach (string file in files)
HtmlToPdf(file, file.Replace(".htm", ".pdf"));
}
/// <summary>
/// Convert an HTML file into a PDF one.
/// </summary>
/// <param name="inPath">The source HTML.</param>
/// <param name="outPath">The output PDF.</param>
void HtmlToPdf(string inPath, string outPath) {
if (!File.Exists(inPath))
return;
Doc doc = new Doc();
doc.Rect.Inset(100, 100);
int page = 1;
HtmlDoc h = new HtmlDoc(doc);
h.MaxImageSize = new Size((int)maxImageWidth.Value, (int)maxImageHeight.Value);
h.SetFile(inPath);
while (!h.Drawn) {
while (page > doc.PageNumber)
doc.Page = doc.AddPage();
if (addBackground.Checked) {
string save = doc.Rect.String;
doc.Rect.String = doc.MediaBox.String;
doc.Color.String = "255 128 128";
doc.FillRect();
doc.Color.String = "0 0 0";
doc.Rect.String = save;
}
XRect xr = h.Draw();
if (outline.Checked)
DrawContentOutlines(doc, h, xr);
if (addFrame.Checked) {
string save = doc.Color.String;
doc.Width = 0.25;
doc.Color.String = "0 255 255"; // cyan
doc.FrameRect();
doc.Color.String = save;
}
if (deleteContent.Checked) {
h.Delete();
break;
}
if (deleteShift.Checked) {
h.Delete();
doc.Rect.Move(0, -200);
h.Draw();
}
if (doc.PageCount > 200)
break;
page++;
}
for (int i = 1; i <= doc.PageCount; i++) {
doc.PageNumber = i;
doc.Flatten();
}
doc.Save(outPath);
System.Diagnostics.Process.Start(outPath);
}
/// <summary>
/// Draw outlines round content just added to the PDF to
/// illustrate use of the GetContentArea method.
/// </summary>
/// <param name="doc">The Doc into which content has been added</param>
/// <param name="h">The HtmlDoc which was used to add the content</param>
void DrawContentOutlines(Doc doc, HtmlDoc html, XRect totalArea) {
string saveRect = doc.Rect.String;
doc.Color.String = "0 0 255"; // blue
doc.Width = 1.0;
// frame individual items of content
List<XRect> rects = html.GetContentArea(true);
foreach (XRect xr in rects) {
doc.Rect.String = xr.String;
doc.FrameRect();
}
// frame overall content area
rects = html.GetContentArea(false);
doc.Width = 0.75;
doc.Color.String = "0 255 0"; // green
doc.Rect.String = DeriveTotalContentArea(rects).String;
doc.FrameRect();
// frame overall table area
doc.Width = 0.50;
doc.Color.String = "255 0 0"; // red
doc.Rect.String = totalArea.String;
doc.FrameRect();
doc.Rect.String = saveRect;
}
/// <summary>
/// Convert a set of XRect areas into one union of the areas.
/// </summary>
/// <param name="rects">The list of XRects to combine.</param>
/// <returns>The union of the list of XRects.</returns>
public XRect DeriveTotalContentArea(List<XRect> rects) {
if ((rects == null) || (rects.Count == 0))
return null;
double l = Double.MaxValue, r = Double.MinValue;
double t = Double.MinValue, b = Double.MaxValue;
foreach (XRect xr in rects) {
l = Math.Min(l, xr.Left);
r = Math.Max(r, xr.Right);
t = Math.Max(t, xr.Top);
b = Math.Min(b, xr.Bottom);
}
XRect xr2 = new XRect();
xr2.SetRect(l, b, r - l, t - b);
return xr2;
}
}
}
