Apply clip during bounds calculation

Source/model/scene/Group.swift

@@ -55,7 +55,16 @@ open class Group: Node {
     }
 
     override open var bounds: Rect? {
-        return BoundsUtils.getNodesBounds(contents)
+        let bounds = BoundsUtils.getNodesBounds(contents)
+        if let bounds = bounds?.toCG(),
+            let clip = self.clip?.bounds().toCG() {
+            let newX = max(bounds.minX, clip.minX)
+            let newY = max(bounds.minY, clip.minY)
+            return CGRect(x: newX, y: newY,
+                          width: min(bounds.maxX, clip.maxX) - newX,
+                          height: min(bounds.maxY, clip.maxY) - newY).toMacaw()
+        }
+        return bounds
     }
 
     override func shouldCheckForPressed() -> Bool {

Source/model/scene/Shape.swift

@@ -57,6 +57,7 @@ open class Shape: Node {
         }
 
         RenderUtils.setGeometry(self.form, ctx: ctx)
+        RenderUtils.setClip(self.clip, ctx: ctx)
 
         let point = ctx.currentPointOfPath
 

Source/render/RenderUtils.swift

@@ -574,4 +574,12 @@ class RenderUtils {
             ctx.addPath(locus.toCGPath())
         }
     }
+
+    internal class func setClip(_ clip: Locus?, ctx: CGContext) {
+        if let rect = clip as? Rect {
+            ctx.clip(to: CGRect(x: rect.x, y: rect.y, width: rect.w, height: rect.h))
+        } else if let clip = clip {
+            RenderUtils.toBezierPath(clip).addClip()
+        }
+    }
 }