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A Professional HTML Renderer You Will Use

, 29 Jan 2009 BSD
100% managed code that draws HTML on any device
HtmlDemo.002.zip
System.Drawing.Html.dll
Html Demo.exe
HtmlDemo.zip
System.Drawing.Html.dll
Html Demo.exe
System.Drawing.Html.002.zip
System.Drawing.Html
Html Demo
bin
Debug
Html Demo.exe
Html Demo.vshost.exe
HtmlDemo.zip
System.Drawing.Html.dll
Html Demo.csproj.user
Properties
Settings.settings
Resources
comment16.gif
delete16.gif
delete32.gif
exclamation32.png
favorites32.png
font32.png
formula32.png
image32.png
method16.gif
paly32.png
property16.gif
property32.png
refreshdocument32.png
web_pallete.gif
Window.gif
Samples
System.Drawing.Html.suo
System.Drawing.Html
bin
Debug
System.Drawing.Html.dll
System.Drawing.Html.vshost.exe
Properties
Settings.settings
System.Drawing.Html.zip
Html Demo.exe
Html Demo.vshost.exe
System.Drawing.Html.dll
Html Demo.csproj.user
Settings.settings
comment16.gif
delete16.gif
delete32.gif
exclamation32.png
favorites32.png
font32.png
formula32.png
image32.png
method16.gif
paly32.png
property16.gif
property32.png
refreshdocument32.png
web_pallete.gif
Window.gif
System.Drawing.Html.suo
System.Drawing.Html.dll
System.Drawing.Html.vshost.exe
Settings.settings
using System;
using System.Collections.Generic;
using System.Text;
using System.Reflection;

namespace System.Drawing.Html
{
    public static class HtmlRenderer
    {
        #region References

        /// <summary>
        /// List of assembly references
        /// </summary>
        private static List<Assembly> _references;

        /// <summary>
        /// Gets a list of Assembly references used to search for external references
        /// </summary>
        /// <remarks>
        /// This references are used when loading images and other content, when
        /// rendering a piece of HTML/CSS
        /// </remarks>
        public static List<Assembly> References
        {
            get { return _references; }
        }

        /// <summary>
        /// Adds a reference to the References list if not yet listed
        /// </summary>
        /// <param name="assembly"></param>
        internal static void AddReference(Assembly assembly)
        {
            if (!References.Contains(assembly))
            {
                References.Add(assembly);
            }
        }

        static HtmlRenderer()
        {
            //Initialize references list
            _references = new List<Assembly>();

            //Add this assembly as a reference
            References.Add(Assembly.GetExecutingAssembly());
        }

        #endregion

        #region Methods

        /// <summary>
        /// Draws the HTML on the specified point using the specified width.
        /// </summary>
        /// <param name="g">Device to draw</param>
        /// <param name="html">HTML source</param>
        /// <param name="location">Point to start drawing</param>
        /// <param name="width">Width to fit HTML drawing</param>
        public static void Render(Graphics g, string html, PointF location, float width)
        {
            Render(g, html, new RectangleF(location, new SizeF(width, 0)), false);
        }

        /// <summary>
        /// Renders the specified HTML source on the specified area clipping if specified
        /// </summary>
        /// <param name="g">Device to draw</param>
        /// <param name="html">HTML source</param>
        /// <param name="area">Area where HTML should be drawn</param>
        /// <param name="clip">If true, it will only paint on the specified area</param>
        public static void Render(Graphics g, string html, RectangleF area, bool clip)
        {
            InitialContainer container = new InitialContainer(html);
            Region prevClip = g.Clip;

            if (clip) g.SetClip(area);

            container.SetBounds(area);
            container.MeasureBounds(g);
            container.Paint(g);

            if (clip) g.SetClip(prevClip, System.Drawing.Drawing2D.CombineMode.Replace);
        }

        #endregion
    }
}

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License

This article, along with any associated source code and files, is licensed under The BSD License

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About the Author

Jose Menendez Póo
Team Leader
Mexico Mexico
I'm in game programming now: https://itunes.apple.com/us/app/ugly-aliens-training-center/id859271884?ls=1&mt=8
 
Jose Manuel Menéndez Poó
 
- I've been programming Windows and Web apps since 1997.
- My greatest concern nowadays is user interface usability.
 
Questions and stuff by twitter: @menendezpoo
 
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