comparison: ui/wpf/UIcore/DrawingArea.cs
ui/wpf/UIcore/DrawingArea.cs
- changeset 137
- c9b8b9e0cfe8
equal
deleted
inserted
replaced
| 136:1df2fb3d079c | 137:c9b8b9e0cfe8 |
|---|---|
| 1 using System; | |
| 2 using System.Collections.Generic; | |
| 3 using System.Linq; | |
| 4 using System.Text; | |
| 5 using System.Threading.Tasks; | |
| 6 using System.Windows; | |
| 7 using System.Windows.Controls; | |
| 8 using System.Windows.Media; | |
| 9 using System.Windows.Shapes; | |
| 10 using System.Diagnostics; | |
| 11 | |
| 12 namespace UI | |
| 13 { | |
| 14 public class DrawingArea : System.Windows.Controls.Canvas | |
| 15 { | |
| 16 public Action<int,int> resizeCallback; | |
| 17 | |
| 18 public Color Color; | |
| 19 private Brush Brush; | |
| 20 | |
| 21 public DrawingArea(Container container) : base() | |
| 22 { | |
| 23 this.SizeChanged += UpdateSize; | |
| 24 ResetGraphics(); | |
| 25 | |
| 26 container.Add(this, true); | |
| 27 } | |
| 28 | |
| 29 public void UpdateSize(object sender, SizeChangedEventArgs e) | |
| 30 { | |
| 31 if(resizeCallback != null) | |
| 32 { | |
| 33 Children.Clear(); | |
| 34 ResetGraphics(); | |
| 35 | |
| 36 Size s = e.NewSize; | |
| 37 resizeCallback((int)s.Width, (int)s.Height); | |
| 38 } | |
| 39 } | |
| 40 | |
| 41 public void Redraw() | |
| 42 { | |
| 43 if (resizeCallback != null) | |
| 44 { | |
| 45 Children.Clear(); | |
| 46 ResetGraphics(); | |
| 47 | |
| 48 resizeCallback((int)ActualWidth, (int)ActualHeight); | |
| 49 } | |
| 50 | |
| 51 } | |
| 52 | |
| 53 private void ResetGraphics() | |
| 54 { | |
| 55 Color = Color.FromRgb(0, 0, 0); | |
| 56 Brush = System.Windows.Media.Brushes.Black; | |
| 57 } | |
| 58 | |
| 59 public void SetColor(int r, int g, int b) | |
| 60 { | |
| 61 Color = Color.FromRgb((byte)r, (byte)g, (byte)b); | |
| 62 Brush = new SolidColorBrush(Color); | |
| 63 } | |
| 64 | |
| 65 public void DrawLine(int x1, int y1, int x2, int y2) | |
| 66 { | |
| 67 Line line = new Line(); | |
| 68 line.Stroke = Brush; | |
| 69 line.StrokeThickness = 1; | |
| 70 line.SnapsToDevicePixels = true; | |
| 71 | |
| 72 line.X1 = x1; | |
| 73 line.Y1 = y1; | |
| 74 line.X2 = x2; | |
| 75 line.Y2 = y2; | |
| 76 | |
| 77 Children.Add(line); | |
| 78 } | |
| 79 | |
| 80 public void DrawRect(int x, int y, int w, int h, bool fill) | |
| 81 { | |
| 82 Rectangle rect = new Rectangle(); | |
| 83 rect.Stroke = Brush; | |
| 84 rect.StrokeThickness = 1; | |
| 85 rect.SnapsToDevicePixels = true; | |
| 86 if(fill) | |
| 87 { | |
| 88 rect.Fill = Brush; | |
| 89 } | |
| 90 | |
| 91 rect.Width = w; | |
| 92 rect.Height = h; | |
| 93 SetLeft(rect, x); | |
| 94 SetTop(rect, y); | |
| 95 | |
| 96 Children.Add(rect); | |
| 97 } | |
| 98 } | |
| 99 } |
