created Xcode project

.gitignore

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+
+Xcode/Cairo.xcodeproj/project.xcworkspace/xcuserdata/

Sources/Cairo/Context.swift

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+//
+//  Context.swift
+//  Cairo
+//
+//  Created by Alsey Coleman Miller on 1/31/16.
+//  Copyright © 2016 PureSwift. All rights reserved.
+//
+
+import CCairo
+
+/// Cairo Context
+public final class Context {
+
+    // MARK: - Properties
+
+    public let surface: Surface
+
+    // MARK: - Internal Properties
+
+    internal var internalPointer: COpaquePointer
+
+    // MARK: - Initialization
+
+    public init(surface: Surface) {
+
+        // create
+        let internalPointer = cairo_create(surface.internalPointer)
+
+        assert(internalPointer != nil, "Could not create internal pointer")
+
+        // set values
+        self.internalPointer = internalPointer
+        self.surface = surface
+    }
+}

Sources/Cairo/ImageFormat.swift

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+//
+//  ImageFormat.swift
+//  Cairo
+//
+//  Created by Alsey Coleman Miller on 1/31/16.
+//  Copyright © 2016 PureSwift. All rights reserved.
+//
+
+/// Used to identify the memory format of image data.
+public enum ImageFormat: CInt {
+
+    /// Each pixel is a 32-bit quantity, with
+    /// alpha in the upper 8 bits, then red, then green, then blue.
+    /// The 32-bit quantities are stored native-endian. Pre-multiplied alpha is used. 
+    /// (That is, 50% transparent red is 0x80800000, not 0x80ff0000.)
+    case ARGB32 = 0
+
+    case RGB24
+
+    case A8
+
+    case A1
+
+    case RGB16565
+
+    case RGB30
+}

Sources/Cairo/Pattern.swift

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+//
+//  Pattern.swift
+//  Cairo
+//
+//  Created by Alsey Coleman Miller on 1/31/16.
+//  Copyright © 2016 PureSwift. All rights reserved.
+//
+
+import CCairo
+
+

Sources/Cairo/Surface.swift

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+//
+//  Surface.swift
+//  Cairo
+//
+//  Created by Alsey Coleman Miller on 1/31/16.
+//  Copyright © 2016 PureSwift. All rights reserved.
+//
+
+import CCairo
+
+public final class Surface {
+
+    // MARK: - Internal Properties
+
+    internal var internalPointer: COpaquePointer
+
+    // MARK: - Initialization
+
+    deinit {
+
+        assert(internalPointer != nil, "Internal pointer of deallocating object is nil")
+
+        cairo_surface_destroy(internalPointer)
+    }
+
+    public convenience init(format: ImageFormat, width: Int, height: Int) {
+
+        let internalFormat = cairo_format_t(rawValue: format.rawValue)
+
+        let pointer = cairo_image_surface_create(internalFormat, Int32(width), Int32(height))
+
+        self.init(pointer)
+    }
+
+    internal init(_ internalPointer: COpaquePointer) {
+
+        assert(internalPointer != nil, "Internal pointer is nil")
+
+        self.internalPointer = internalPointer
+    }
+}