Merge pull request #103 from natmark/natmark/gestures

Support gesture events

Author: natmark

ProcessingKit.xcodeproj/project.pbxproj

@@ -21,6 +21,8 @@ public typealias UIFont = NSFont
 public typealias UIEvent = NSEvent
 public typealias UIView = NSView
 public typealias UIResponder = NSResponder
+public typealias CGRect = NSRect
+public typealias CGPoint = NSPoint
 #endif
 
 public protocol ContextComponenetsContract {

ProcessingKit/Core/Context/Context.swift

@@ -10,9 +10,23 @@
 import UIKit
 #elseif os(OSX)
 import Cocoa
-public typealias CGPoint = NSPoint
 #endif
 
+extension CGPoint: Hashable {
+    func distance(point: CGPoint) -> Float {
+        let dx = Float(x - point.x)
+        let dy = Float(y - point.y)
+        return sqrt((dx * dx) + (dy * dy))
+    }
+    public var hashValue: Int {
+        return x.hashValue << 32 ^ y.hashValue
+    }
+}
+
+func == (lhs: CGPoint, rhs: CGPoint) -> Bool {
+    return lhs.distance(point: rhs) < 0.000001
+}
+
 extension CGPoint {
     func addTo(_ a: CGPoint) -> CGPoint {
         return CGPoint(x: self.x + a.x, y: self.y + a.y)