Fix 90 degree rotation error in Image2D

Quik/Mouse.cs

@@ -2,7 +2,7 @@ using System;
 
 namespace Quik
 {
-    public enum MouseButton
+    public enum MouseButton : byte
     {
         Primary     = 1 << 0,
         Secondary   = 1 << 1,
@@ -11,7 +11,7 @@ namespace Quik
         Auxilliary2 = 1 << 4,
         Auxilliary3 = 1 << 5,
         Auxilliary4 = 1 << 6,
-        Auxilliary5 = 1 << 8,
+        Auxilliary5 = 1 << 7,
     }
 
     public struct MouseState

Quik/QuikApplication.cs

@@ -49,6 +49,7 @@ namespace Quik
         {
             Platform = platform;
             FontProvider = new FontProvider(this);
+            Current = this;
         }
 
         public IDisposable GetMedia(object key, MediaHint hint)
@@ -101,5 +102,12 @@ namespace Quik
                 }
             }
         }
+
+        public static QuikApplication Current { get; private set; }
+
+        public static void SetCurrentApplication(QuikApplication application)
+        {
+            Current = application;
+        }
     }
 }

Quik/VertexGenerator/VertexCommandEngine.cs

@@ -1050,20 +1050,20 @@ namespace Quik.VertexGenerator
                 DrawQueue.RestoreOffset();
                 QuikVertex vertex = ImageVertex;
 
-                vertex.Position = new QVec2(rect.Top, rect.Left);
-                vertex.TextureCoordinates = new QVec2(uvs.Top, uvs.Left);
+                vertex.Position = new QVec2(rect.Left, rect.Top);
+                vertex.TextureCoordinates = new QVec2(uvs.Left, uvs.Top);
                 DrawQueue.AddVertex(vertex);
 
-                vertex.Position = new QVec2(rect.Bottom, rect.Left);
-                vertex.TextureCoordinates = new QVec2(uvs.Bottom, uvs.Left);
+                vertex.Position = new QVec2(rect.Left, rect.Bottom);
+                vertex.TextureCoordinates = new QVec2(uvs.Left, uvs.Bottom);
                 DrawQueue.AddVertex(vertex);
 
-                vertex.Position = new QVec2(rect.Bottom, rect.Right);
-                vertex.TextureCoordinates = new QVec2(uvs.Bottom, uvs.Right);
+                vertex.Position = new QVec2(rect.Right, rect.Bottom);
+                vertex.TextureCoordinates = new QVec2(uvs.Right, uvs.Bottom);
                 DrawQueue.AddVertex(vertex);
 
-                vertex.Position = new QVec2(rect.Top, rect.Right);
-                vertex.TextureCoordinates = new QVec2(uvs.Top, uvs.Right);
+                vertex.Position = new QVec2(rect.Right, rect.Top);
+                vertex.TextureCoordinates = new QVec2(uvs.Right, uvs.Right);
                 DrawQueue.AddVertex(vertex);
 
                 DrawQueue.AddElement(0); DrawQueue.AddElement(2); DrawQueue.AddElement(3);