From b6c5fa364b4c56f97970d5c58d3b7f8eb9a33d5a Mon Sep 17 00:00:00 2001
From: davescriven <unknown@unknown.com>
Date: Fri, 19 Dec 2008 12:22:27 +0000
Subject: [PATCH] - Fixed #8184: Enable Rendering to WinForms via
 System.Drawing.Graphics.

This was accomplished by adding the new static method to the SvgRenderer class (as detailed in the work item) and a new Draw method overload that takes in a Graphics object as a parameter.
---
 Document Structure/SvgDocument.cs | 21 +++++++++++++++++++++
 SvgRenderer.cs                    | 11 +++++++++++
 2 files changed, 32 insertions(+)

diff --git a/Document Structure/SvgDocument.cs b/Document Structure/SvgDocument.cs
index 9056f92..be1185d 100644
--- a/Document Structure/SvgDocument.cs	
+++ b/Document Structure/SvgDocument.cs	
@@ -259,11 +259,32 @@ namespace Svg
         /// Renders the <see cref="SvgDocument"/> to the specified <see cref="SvgRenderer"/>.
         /// </summary>
         /// <param name="renderer">The <see cref="SvgRenderer"/> to render the document with.</param>
+        /// <exception cref="ArgumentNullException">The <paramref name="renderer"/> parameter cannot be <c>null</c>.</exception>
         public void Draw(SvgRenderer renderer)
         {
+            if (renderer == null)
+            {
+                throw new ArgumentNullException("renderer");
+            }
+
             Render(renderer);
         }
 
+        /// <summary>
+        /// Renders the <see cref="SvgDocument"/> to the specified <see cref="Graphics"/>.
+        /// </summary>
+        /// <param name="graphics">The <see cref="Graphics"/> to be rendered to.</param>
+        /// <exception cref="ArgumentNullException">The <paramref name="graphics"/> parameter cannot be <c>null</c>.</exception>
+        public void Draw(Graphics graphics)
+        {
+            if (graphics == null)
+            {
+                throw new ArgumentNullException("graphics");
+            }
+
+            Render(SvgRenderer.FromGraphics(graphics));
+        }
+
         /// <summary>
         /// Renders the <see cref="SvgDocument"/> and returns the image as a <see cref="Bitmap"/>.
         /// </summary>
diff --git a/SvgRenderer.cs b/SvgRenderer.cs
index c216e39..eae2e16 100644
--- a/SvgRenderer.cs
+++ b/SvgRenderer.cs
@@ -36,6 +36,17 @@ namespace Svg
             return renderer;
         }
 
+        /// <summary>
+        /// Creates a new <see cref="SvgRenderer"/> from the specified <see cref="Graphics"/>.
+        /// </summary>
+        /// <param name="graphics">The <see cref="Graphics"/> to create the renderer from.</param>
+        public static SvgRenderer FromGraphics(Graphics graphics)
+        {
+            SvgRenderer renderer = new SvgRenderer();
+            renderer._innerGraphics = graphics;
+            return renderer;
+        }
+
         public void SetClip(Region region)
         {
             this._innerGraphics.SetClip(region, CombineMode.Union);
-- 
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