var module = require("ti.glpaint");
var isErasing = false;
var win = Ti.UI.createWindow({
    backgroundColor: "#fff"
});
var paintView = module.createPaintView({
    brush: {
        opacity: 1,
        tintColor: "red",
        image: "brush.png",
        scale: 2
    },
    top: 100
});

var btn1 = Ti.UI.createButton({
    title: "Change to green color",
    top: 30
});

var btn2 = Ti.UI.createButton({
    title: "Is erasing: false",
    top: 50
});

var btn3 = Ti.UI.createButton({
    title: "Take snapshot",
    top: 70
});

btn1.addEventListener("click", function() {
    paintView.setBrush({
        opacity: 1,
        tintColor: "green",
        image: "brush2.png",
        scale: 1
    })
});

btn2.addEventListener("click", function() {
    isErasing = !isErasing;
    paintView.setErasing(isErasing);
    btn2.setTitle(isErasing ? "Is erasing: true" : "Is erasing: false");
    //paintView.erase();
});

btn3.addEventListener("click", function() {
    var image = paintView.takeGLSnapshot();
    var win2 = Ti.UI.createWindow({title: "Snapshot!", backgroundColor: "#000"});
    var nav = Ti.UI.iOS.createNavigationWindow({window: win2});
    var close = Ti.UI.createButton({title: "Close"});

    close.addEventListener("click", function() {nav.close();});
    win2.setLeftNavButton(close);
    win2.add(Ti.UI.createImageView({image: image}));
                      nav.open({modal: true});

});

win.add(paintView);
win.add(btn1);
win.add(btn2);
win.add(btn3);
win.open();