dev3/psychlops/core/graphic/canvas.cs

   1 using System;\r
   2 using System.Windows;\r
   3 using System.Windows.Controls;\r
   4 using System.Windows.Documents;\r
   5 using System.Windows.Input;\r
   6 using System.Windows.Media;\r
   7 using System.Windows.Media.Animation;\r
   8 using System.Windows.Media.Imaging;\r
   9 using System.Windows.Shapes;\r
  10 \r
  11 \r
  12 \r
  13 namespace Psychlops\r
  14 {\r
  15 \r
  16         public class Canvas : Drawable\r
  17         {\r
  18                 public static System.Windows.Controls.Image default_instance;\r
  19                 public static System.Windows.Controls.UserControl default_panel;\r
  20                 public static WriteableBitmap default_buffer; \r
  21                 System.Windows.Controls.Image instance;\r
  22                 System.Windows.Controls.UserControl panel; \r
  23                 WriteableBitmap buffer;\r
  24 \r
  25                 public Canvas(int wid, int hei)\r
  26                 {\r
  27                         panel = default_panel;\r
  28                         instance = default_instance;\r
  29                         instance.Width = wid;\r
  30                         instance.Height = hei;\r
  31                         buffer = new WriteableBitmap((int)instance.Width, (int)instance.Height);\r
  32                         instance.Source = buffer;\r
  33                         instance.MouseMove += Mouse.Canvas_MousePos;\r
  34                         instance.MouseLeftButtonDown += Mouse.Canvas_LDown;\r
  35                         instance.MouseLeftButtonUp += Mouse.Canvas_LUp;\r
  36                         instance.MouseWheel += Mouse.Canvas_MouseWheel;\r
  37                         Mouse._prime = instance;\r
  38                         Main.drawable = this;\r
  39                         default_buffer = buffer;\r
  40                 }\r
  41                 public Canvas(int wid, int hei, System.Windows.Controls.Image target, System.Windows.Controls.UserControl system)\r
  42                 {\r
  43                         panel = system;\r
  44                         instance = target;\r
  45                         instance.Width = wid;\r
  46                         instance.Height = hei;\r
  47                         buffer = new WriteableBitmap((int)instance.Width, (int)instance.Height);\r
  48                         instance = target;\r
  49                         instance.Source = buffer;\r
  50                         instance.MouseMove += Mouse.Canvas_MousePos;\r
  51                         instance.MouseLeftButtonDown += Mouse.Canvas_LDown;\r
  52                         instance.MouseLeftButtonUp += Mouse.Canvas_LUp;\r
  53                         instance.MouseWheel += Mouse.Canvas_MouseWheel;\r
  54                         Mouse._prime = instance;\r
  55                         Main.drawable = this;\r
  56                 }\r
  57                 public Point getCenter()\r
  58                 {\r
  59                         return new Point(instance.Width/2.0, instance.Height/2.0, 0);\r
  60                 }\r
  61 \r
  62                 public void clear()\r
  63                 {\r
  64                         buffer.Clear(Color.black);\r
  65                 }\r
  66                 public void clear(Color col)\r
  67                 {\r
  68                         buffer.Clear(col);\r
  69                 }\r
  70 \r
  71                 public void pix(int x, int y, Color col)\r
  72                 {\r
  73                         buffer.SetPixel(x, y, col);\r
  74                 }\r
  75 \r
  76 \r
  77                 public void line(Line drawee, Color col)\r
  78                 {\r
  79                         buffer.DrawLine((int)drawee.begin.x, (int)drawee.begin.y, (int)drawee.end.x, (int)drawee.end.y, col);\r
  80                 }\r
  81                 public void rect(Rectangle drawee, Color col)\r
  82                 {\r
  83                         buffer.DrawRectangle((int)drawee.v1.x, (int)drawee.v1.y, (int)drawee.v2.x, (int)drawee.v2.y, col);\r
  84                 }\r
  85                 public void ellipse(Ellipse drawee, Color col)\r
  86                 {\r
  87                         buffer.DrawEllipse((int)(drawee.datum.x - drawee.xdiameter / 2), (int)(drawee.datum.y - drawee.ydiameter / 2), (int)(drawee.datum.x + drawee.xdiameter / 2), (int)(drawee.datum.y + drawee.ydiameter / 2), col);\r
  88                 }\r
  89                 public void polygon(Polygon drawee, Color col)\r
  90                 {\r
  91                         int[] ps = new int[drawee.vertices.Count];\r
  92                         int i=0;\r
  93                         foreach (Point p in drawee.vertices)\r
  94                         {\r
  95                                 ps[i] = (int)p.x; i++;\r
  96                                 ps[i] = (int)p.y; i++;\r
  97                         }\r
  98                         buffer.DrawPolyline(ps, col);\r
  99                 }\r
 100                 public void image(Image drawee)\r
 101                 {\r
 102                         buffer.Blit(drawee.datum, drawee.buffer, drawee.self_rect, Colors.White, WriteableBitmapExtensions.BlendMode.None);\r
 103                 }\r
 104 \r
 105 \r
 106                 public void flip()\r
 107                 {\r
 108                         buffer.Invalidate();\r
 109                 }\r
 110         }\r
 111 \r
 112 \r
 113 }