1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
|
using System;
using System.Collections.Generic;
using System.Linq;
using System.Drawing;
using MonoMac.Foundation;
using MonoMac.AppKit;
using MonoMac.CoreAnimation;
using MonoMac.CoreGraphics;
namespace KeyFrameMoveAView
{
public partial class KeyFrameView : MonoMac.AppKit.NSView
{
NSImageView mover;
CGPath heartPath;
[Export("initWithFrame:")]
public KeyFrameView(RectangleF frame) : base(frame)
{
float xInset = 3 * (frame.Width / 8);
float yInset = 3 * (frame.Height / 8);
RectangleF moverFrame = frame.Inset (xInset, yInset);
mover = new NSImageView (moverFrame);
mover.ImageScaling = NSImageScale.AxesIndependently;
mover.Image = NSImage.ImageNamed ("photo.jpg");
AddSubview (mover);
addBounceAnimation ();
}
public override bool AcceptsFirstResponder ()
{
return true;
}
public override void KeyDown (NSEvent theEvent)
{
bounce ();
}
public override void SetFrameOrigin (PointF newOrigin)
{
Console.WriteLine ("setting new origin");
base.SetFrameOrigin (newOrigin);
}
private void bounce()
{
RectangleF rect = mover.Frame;
((NSView)mover.Animator).SetFrameOrigin (rect.Location);
}
private void addBounceAnimation ()
{
mover.Animations = NSDictionary.FromObjectsAndKeys (new object[] { OriginAnimation }, new object[] {(NSString)"frameOrigin"});
}
private CAKeyFrameAnimation OriginAnimation {
get {
CAKeyFrameAnimation originAnimation = new CAKeyFrameAnimation ();
originAnimation.Path = HeartPath;
originAnimation.Duration = 2.0f;
originAnimation.CalculationMode = CAAnimation.AnimationPaced;
return originAnimation;
}
}
private CGPath HeartPath {
get {
RectangleF frame = mover.Frame;
if (heartPath == null) {
float minX = frame.GetMinX ();
float minY = frame.GetMinY ();
heartPath = new CGPath ();
heartPath.MoveToPoint (minX, minY);
heartPath.AddLineToPoint (minX - frame.Width, minY + frame.Height * 0.85f);
heartPath.AddLineToPoint (minX, minY - frame.Height * 1.5f);
heartPath.AddLineToPoint (minX + frame.Width, minY + frame.Height * 0.85f);
heartPath.AddLineToPoint (minX, minY);
heartPath.CloseSubpath ();
}
return heartPath;
}
}
public override void DrawRect (RectangleF dirtyRect)
{
CGContext ctx = NSGraphicsContext.CurrentContext.GraphicsPort;
ctx.AddPath (HeartPath);
ctx.StrokePath ();
}
}
}
|
