Adding reference source for part of Workflow Foundation

[mono.git] / mcs / class / referencesource / System.Activities.Presentation / System.Activities.Presentation / System / Activities / Presentation / Base / Core / Internal / PropertyEditing / FromExpression / Framework / ValueEditors / RenderUtils.cs

diff --git a/mcs/class/referencesource/System.Activities.Presentation/System.Activities.Presentation/System/Activities/Presentation/Base/Core/Internal/PropertyEditing/FromExpression/Framework/ValueEditors/RenderUtils.cs b/mcs/class/referencesource/System.Activities.Presentation/System.Activities.Presentation/System/Activities/Presentation/Base/Core/Internal/PropertyEditing/FromExpression/Framework/ValueEditors/RenderUtils.cs
new file mode 100644 (file)
index 0000000..98ec4b5
--- /dev/null
+++ b/mcs/class/referencesource/System.Activities.Presentation/System.Activities.Presentation/System/Activities/Presentation/Base/Core/Internal/PropertyEditing/FromExpression/Framework/ValueEditors/RenderUtils.cs
@@ -0,0 +1,54 @@
+// -------------------------------------------------------------------
+// Copyright (c) Microsoft Corporation.  All rights reserved.
+// -------------------------------------------------------------------
+//From \\authoring\Sparkle\Source\1.0.1083.0\Common\Source\Framework\ValueEditors
+namespace System.Activities.Presentation.Internal.PropertyEditing.FromExpression.Framework.ValueEditors
+{
+    using System;
+    using System.Windows;
+    using System.Windows.Media;
+
+    internal sealed class RenderUtils
+    {
+        private RenderUtils()
+        {
+        }
+
+        public static bool DrawInscribedRoundedRect(DrawingContext drawingContext, Brush fill, Pen stroke, Rect outerBounds, double cornerRadius)
+        {
+            Point spineLeftTop = new Point(outerBounds.Left, outerBounds.Top);
+            Point spineRightBottom = new Point(outerBounds.Right, outerBounds.Bottom);
+            bool drewSomething = false;
+
+            if (stroke != null && !Tolerances.NearZero(stroke.Thickness))
+            {
+                double halfThickness = stroke.Thickness / 2d;
+                spineLeftTop.X += halfThickness;
+                spineLeftTop.Y += halfThickness;
+                spineRightBottom.X -= halfThickness;
+                spineRightBottom.Y -= halfThickness;
+            }
+
+            Rect spineRect = new Rect(spineLeftTop, spineRightBottom);
+            if (!Tolerances.NearZero(spineRect.Width) && !Tolerances.NearZero(spineRect.Height))
+            {
+                drawingContext.DrawRoundedRectangle(fill, stroke, spineRect, cornerRadius, cornerRadius);
+                drewSomething = true;
+            }
+
+            return drewSomething;
+        }
+
+        public static Rect CalculateInnerRect(Rect outerBounds, double strokeThickness)
+        {
+            if (!Tolerances.NearZero(strokeThickness))
+            {
+                return new Rect(new Point(outerBounds.Left + strokeThickness, outerBounds.Top + strokeThickness), new Point(outerBounds.Right - strokeThickness, outerBounds.Bottom - strokeThickness));
+            }
+            else
+            {
+                return outerBounds;
+            }
+        }
+    }
+}