Add transform to bounds calculation in path based objects

see #281

Source/Basic Shapes/SvgCircle.cs

-using System;
-using System.Collections.Generic;
-using System.Text;
-using System.Drawing;
 using System.Drawing.Drawing2D;
-using System.Xml;
-using System.Web.UI.WebControls;
-using System.ComponentModel;
 
 namespace Svg
 {
@@ -13,7 +6,7 @@ namespace Svg
     /// An SVG element to render circles to the document.
     /// </summary>
     [SvgElement("circle")]
-    public class SvgCircle : SvgVisualElement
+    public class SvgCircle : SvgPathBasedElement
     {
         private GraphicsPath _path;
         
@@ -75,15 +68,6 @@ namespace Svg
         	}
         }
 
-        /// <summary>
-        /// Gets the bounds of the circle.
-        /// </summary>
-        /// <value>The rectangular bounds of the circle.</value>
-        public override RectangleF Bounds
-        {
-            get { return this.Path(null).GetBounds(); }
-        }
-
         /// <summary>
         /// Gets the <see cref="GraphicsPath"/> representing this element.
         /// </summary>

Source/Basic Shapes/SvgEllipse.cs

-using System;
-using System.Collections.Generic;
-using System.Text;
-using System.Drawing;
 using System.Drawing.Drawing2D;
-using System.Xml;
-using System.ComponentModel;
 
 namespace Svg
 {
@@ -12,7 +6,7 @@ namespace Svg
     /// Represents and SVG ellipse element.
     /// </summary>
     [SvgElement("ellipse")]
-    public class SvgEllipse : SvgVisualElement
+    public class SvgEllipse : SvgPathBasedElement
     {
         private SvgUnit _radiusX;
         private SvgUnit _radiusY;
@@ -80,15 +74,6 @@ namespace Svg
         	}
         }
 
-        /// <summary>
-        /// Gets the bounds of the element.
-        /// </summary>
-        /// <value>The bounds.</value>
-        public override RectangleF Bounds
-        {
-            get { return this.Path(null).GetBounds(); }
-        }
-
         /// <summary>
         /// Gets the <see cref="GraphicsPath"/> for this element.
         /// </summary>

Source/Basic Shapes/SvgLine.cs

 using System;
-using System.Collections.Generic;
-using System.Text;
-using System.ComponentModel;
 using System.Drawing;
 using System.Drawing.Drawing2D;
 using Svg.ExtensionMethods;
@@ -12,7 +9,7 @@ namespace Svg
     /// Represents and SVG line element.
     /// </summary>
     [SvgElement("line")]
-    public class SvgLine : SvgVisualElement
+    public class SvgLine : SvgPathBasedElement
     {
         private SvgUnit _startX;
         private SvgUnit _startY;
@@ -186,11 +183,6 @@ namespace Svg
             return result;
         }
 
-        public override System.Drawing.RectangleF Bounds
-        {
-            get { return this.Path(null).GetBounds(); }
-        }
-
 		public override SvgElement DeepCopy()
 		{
 			return DeepCopy<SvgLine>();

Source/Basic Shapes/SvgPathBasedElement.cs

+using System.Drawing.Drawing2D;
+
+namespace Svg
+{
+    /// <summary>
+    /// Represents an element that is using a GraphicsPath as rendering base.
+    /// </summary>
+    public abstract class SvgPathBasedElement : SvgVisualElement
+    {
+        public override System.Drawing.RectangleF Bounds
+        {
+            get
+            {
+                var path = this.Path(null);
+                if (Transforms != null)
+                {
+                    path = (GraphicsPath)path.Clone();
+                    path.Transform(Transforms.GetMatrix());
+                }
+                return path.GetBounds();
+            }
+        }
+    }
+}

Source/Basic Shapes/SvgPolygon.cs

 using System;
-using System.Collections.Generic;
-using System.Text;
-using System.Drawing;
 using System.Drawing.Drawing2D;
 using System.Diagnostics;
 using Svg.ExtensionMethods;
-using Svg.Pathing;
 
 namespace Svg
 {
@@ -13,7 +9,7 @@ namespace Svg
     /// SvgPolygon defines a closed shape consisting of a set of connected straight line segments.
     /// </summary>
     [SvgElement("polygon")]
-    public class SvgPolygon : SvgVisualElement
+    public class SvgPolygon : SvgPathBasedElement
     {
         private GraphicsPath _path;
         
@@ -136,12 +132,6 @@ namespace Svg
             return result;
         }
 
-        public override RectangleF Bounds
-        {
-            get { return this.Path(null).GetBounds(); }
-        }
-
-
 		public override SvgElement DeepCopy()
 		{
 			return DeepCopy<SvgPolygon>();

Source/Basic Shapes/SvgRectangle.cs

 using System;
 using System.Drawing;
 using System.Drawing.Drawing2D;
-using Svg.Transforms;
 
 namespace Svg
 {
@@ -9,7 +8,7 @@ namespace Svg
     /// Represents an SVG rectangle that could also have rounded edges.
     /// </summary>
     [SvgElement("rect")]
-    public class SvgRectangle : SvgVisualElement
+    public class SvgRectangle : SvgPathBasedElement
     {
         private SvgUnit _cornerRadiusX;
         private SvgUnit _cornerRadiusY;
@@ -168,15 +167,6 @@ namespace Svg
             }
         }
 
-        /// <summary>
-        /// Gets the bounds of the element.
-        /// </summary>
-        /// <value>The bounds.</value>
-        public override RectangleF Bounds
-        {
-            get { return Path(null).GetBounds(); }
-        }
-
         /// <summary>
         /// Gets the <see cref="GraphicsPath"/> for this element.
         /// </summary>

Source/Svg.csproj

@@ -89,6 +89,7 @@
   </ItemGroup>
   <ItemGroup>
     <Compile Include="Basic Shapes\SvgImage.cs" />
+    <Compile Include="Basic Shapes\SvgPathBasedElement.cs" />
     <Compile Include="Basic Shapes\SvgVisualElement.cs" />
     <Compile Include="Basic Shapes\SvgCircle.cs" />
     <Compile Include="Basic Shapes\SvgEllipse.cs" />

Source/Text/SvgGlyph.cs

-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
+using System.Linq;
 using Svg.Pathing;
 using System.Drawing.Drawing2D;
 
 namespace Svg
 {
     [SvgElement("glyph")]
-    public class SvgGlyph : SvgVisualElement
+    public class SvgGlyph : SvgPathBasedElement
     {
         private GraphicsPath _path;
 
@@ -79,15 +76,6 @@ namespace Svg
             return _path;
         }
 
-        /// <summary>
-        /// Gets the bounds of the element.
-        /// </summary>
-        /// <value>The bounds.</value>
-        public override System.Drawing.RectangleF Bounds
-        {
-            get { return this.Path(null).GetBounds(); }
-        }
-
         /// <summary>
         /// Initializes a new instance of the <see cref="SvgGlyph"/> class.
         /// </summary>