Sky: Add a Point class.

sky/engine/core/painting/Canvas.cpp

Index: sky/engine/core/painting/Canvas.cpp
diff --git a/sky/engine/core/painting/Canvas.cpp b/sky/engine/core/painting/Canvas.cpp
index 4bf9d3473e064ec92fb040f9140ea4f25139b520..ad9024e447133525d590971260466531a0e8cf71 100644
--- a/sky/engine/core/painting/Canvas.cpp
+++ b/sky/engine/core/painting/Canvas.cpp
@@ -37,7 +37,7 @@ void Canvas::saveLayer(const Rect& bounds, const Paint* paint)
     if (!m_canvas)
         return;
     ASSERT(m_displayList->isRecording());
-    m_canvas->saveLayer(!bounds.is_null ? &bounds.sk_rect : nullptr,
+    m_canvas->saveLayer(!bounds.isNull ? &bounds.skRect : nullptr,
                         paint ? &paint->paint() : nullptr);
 }
 
@@ -97,7 +97,7 @@ void Canvas::clipRect(const Rect& rect)
     if (!m_canvas)
         return;
     ASSERT(m_displayList->isRecording());
-    m_canvas->clipRect(rect.sk_rect);
+    m_canvas->clipRect(rect.skRect);
 }
 
 void Canvas::drawPicture(Picture* picture)
@@ -124,7 +124,7 @@ void Canvas::drawRect(const Rect& rect, const Paint* paint)
         return;
     ASSERT(paint);
     ASSERT(m_displayList->isRecording());
-    m_canvas->drawRect(rect.sk_rect, paint->paint());
+    m_canvas->drawRect(rect.skRect, paint->paint());
 }
 
 void Canvas::drawOval(const Rect& rect, const Paint* paint)
@@ -133,7 +133,7 @@ void Canvas::drawOval(const Rect& rect, const Paint* paint)
         return;
     ASSERT(paint);
     ASSERT(m_displayList->isRecording());
-    m_canvas->drawOval(rect.sk_rect, paint->paint());
+    m_canvas->drawOval(rect.skRect, paint->paint());
 }
 
 void Canvas::drawCircle(float x, float y, float radius, const Paint* paint)