Example rendering various overlaid canvases.

WorkSpace.swift

// Copyright © 2014 C4
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to
// deal in the Software without restriction, including without limitation the
// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
// sell copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions: The above copyright
// notice and this permission notice shall be included in all copies or
// substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
// IN THE SOFTWARE.

import C4
import UIKit

class ViewController: CanvasController {
    override func setup() {
        let content = ContentController()
        content.canvas.frame = canvas.bounds
        canvas.add(content.canvas)

        let menu = MenuController()
        menu.canvas.frame = Rect(20, 20, 100, 200)
        canvas.add(menu.canvas)


        menu.canvas.addTapGestureRecognizer { (locations, center, state) in
            print("menu")
        }
        self.addChildViewController(menu)
        menu.didMoveToParentViewController(self)

//        let mainRender = canvas.render()
//        let contentRender = content.canvas.render()
//        let menuRender = menu.canvas.render()
//        canvas.remove(content.canvas)
//        canvas.remove(menu.canvas)

//        canvas.add(mainRender)
//        canvas.add(contentRender)
//        canvas.add(menuRender)
    }
}

class ContentController: CanvasController {
    override func setup() {
        canvas.backgroundColor = C4Blue
    }
}

class MenuController: CanvasController {
    override func setup() {
        canvas.backgroundColor = C4Pink
    }
}