wxPython/demo/DrawXXXList.py

   1
   2 import  random
   3 import  time
   4
   5 import  wx
   6
   7 #----------------------------------------------------------------------
   8
   9 colours = [
  10     "BLACK",
  11     "BLUE",
  12     "BLUE VIOLET",
  13     "BROWN",
  14     "CYAN",
  15     "DARK GREY",
  16     "DARK GREEN",
  17     "GOLD",
  18     "GREY",
  19     "GREEN",
  20     "MAGENTA",
  21     "NAVY",
  22     "PINK",
  23     "RED",
  24     "SKY BLUE",
  25     "VIOLET",
  26     "YELLOW",
  27     ]
  28
  29 #----------------------------------------------------------------------
  30
  31 def makeRandomPoints(num, w, h):
  32     pnts = []
  33
  34     for i in range(num):
  35         x = random.randint(0, w)
  36         y = random.randint(0, h)
  37         pnts.append( (x,y) )
  38
  39     return pnts
  40
  41
  42 def makeRandomLines(num, w, h):
  43     pnts = []
  44
  45     for i in range(num):
  46         x1 = random.randint(0, w)
  47         y1 = random.randint(0, h)
  48         x2 = random.randint(0, w)
  49         y2 = random.randint(0, h)
  50         pnts.append( (x1,y1, x2,y2) )
  51
  52     return pnts
  53
  54
  55 def makeRandomRectangles(num, W, H):
  56     rects = []
  57
  58     for i in range(num):
  59         w = random.randint(10, W/2)
  60         h = random.randint(10, H/2)
  61         x = random.randint(0, W - w)
  62         y = random.randint(0, H - h)
  63         rects.append( (x, y, w, h) )
  64
  65     return rects
  66
  67
  68 def makeRandomText(num):
  69     Np = 8 # number of characters in text
  70     text = []
  71
  72     for i in range(num):
  73         word = []
  74
  75         for i in range(Np):
  76             c = chr( random.randint(48, 122) )
  77             word.append( c )
  78
  79         text.append( "".join(word) )
  80
  81     return text
  82
  83
  84 def makeRandomPolygons(num, W, H):
  85     Np = 8 # number of points per polygon
  86     polys = []
  87
  88     for i in range(num):
  89         poly = []
  90
  91         for i in range(Np):
  92             x = random.randint(0, W)
  93             y = random.randint(0, H)
  94             poly.append( (x,y) )
  95
  96         polys.append( poly )
  97
  98     return polys
  99
 100
 101 def makeRandomPens(num, cache):
 102     pens = []
 103
 104     for i in range(num):
 105         c = random.choice(colours)
 106         t = random.randint(1, 4)
 107
 108         if not cache.has_key( (c, t) ):
 109             cache[(c, t)] = wx.Pen(c, t)
 110
 111         pens.append( cache[(c, t)] )
 112
 113     return pens
 114
 115
 116 def makeRandomBrushes(num, cache):
 117     brushes = []
 118
 119     for i in range(num):
 120         c = random.choice(colours)
 121
 122         if not cache.has_key(c):
 123             cache[c] = wx.Brush(c)
 124
 125         brushes.append( cache[c] )
 126
 127     return brushes
 128
 129
 130 def makeRandomColors(num):
 131     colors = []
 132
 133     for i in range(num):
 134         c = random.choice(colours)
 135         colors.append(wx.NamedColour(c))
 136     return colors
 137
 138
 139
 140 pencache = {}
 141 brushcache = {}
 142 points = None
 143 lines = None
 144 rectangles = None
 145 polygons = None
 146 text = None
 147 pens = None
 148 brushes = None
 149 colors1 = None
 150 colors2 = None
 151
 152
 153 def Init(w, h, n):
 154     global pencache
 155     global brushcache
 156     global points
 157     global lines
 158     global rectangles
 159     global polygons
 160     global text
 161     global pens
 162     global brushes
 163     global colors1
 164     global colors2
 165
 166     # make some lists of random shapes
 167     points = makeRandomPoints(n, w, h)
 168
 169     try:
 170         import Numeric
 171         Apoints = Numeric.array(points)
 172     except:
 173         pass
 174
 175     lines = makeRandomLines(n, w, h)
 176     rectangles = makeRandomRectangles(n, w, h)
 177     polygons = makeRandomPolygons(n, w, h)
 178     text = makeRandomText(n)
 179
 180     # make some random pens and brushes
 181     pens  = makeRandomPens(n, pencache)
 182     brushes = makeRandomBrushes(n, brushcache)
 183     # make some random color lists
 184     colors1 = makeRandomColors(n)
 185     colors2 = makeRandomColors(n)
 186
 187
 188
 189 def TestPoints(dc,log):
 190     dc.BeginDrawing()
 191     start = time.time()
 192     dc.SetPen(wx.Pen("BLACK", 4))
 193
 194     dc.DrawPointList(points)
 195     dc.DrawPointList(points, wx.Pen("RED", 2))
 196     dc.DrawPointList(points, pens)
 197
 198     dc.EndDrawing()
 199     log.write("DrawTime: %s seconds with DrawPointList\n" % (time.time() - start))
 200
 201
 202 def TestArrayPoints(dc,log):
 203     try:
 204         import Numeric
 205
 206         dc.BeginDrawing()
 207         start = time.time()
 208         dc.SetPen(wx.Pen("BLACK", 1))
 209
 210         for i in range(1):
 211             dc.DrawPointList(Apoints)
 212
 213         #dc.DrawPointList(Apoints, wx.Pen("RED", 2))
 214         #dc.DrawPointList(Apoints, pens)
 215         dc.EndDrawing()
 216         log.write("DrawTime: %s seconds with DrawPointList an Numpy Array\n" % (time.time() - start))
 217     except ImportError:
 218         log.write("Couldn't import Numeric")
 219         pass
 220
 221
 222 def TestLines(dc,log):
 223     dc.BeginDrawing()
 224     start = time.time()
 225
 226     dc.SetPen(wx.Pen("BLACK", 2))
 227     dc.DrawLineList(lines)
 228     dc.DrawLineList(lines, wx.Pen("RED", 2))
 229     dc.DrawLineList(lines, pens)
 230
 231     dc.EndDrawing()
 232     log.write("DrawTime: %s seconds with DrawLineList\n" % (time.time() - start))
 233
 234
 235 def TestRectangles(dc,log):
 236     dc.BeginDrawing()
 237     start = time.time()
 238
 239     dc.SetPen( wx.Pen("BLACK",1) )
 240     dc.SetBrush( wx.Brush("RED") )
 241
 242     dc.DrawRectangleList(rectangles)
 243     dc.DrawRectangleList(rectangles,pens)
 244     dc.DrawRectangleList(rectangles,pens[0],brushes)
 245     dc.DrawRectangleList(rectangles,pens,brushes[0])
 246     dc.DrawRectangleList(rectangles,None,brushes)
 247 ##    for i in range(10):
 248 ##        #dc.DrawRectangleList(rectangles,pens,brushes)
 249 ##        dc.DrawRectangleList(rectangles)
 250
 251     dc.EndDrawing()
 252     log.write("DrawTime: %s seconds with DrawRectanglesList\n" % (time.time() - start))
 253
 254
 255 def TestEllipses(dc,log):
 256     dc.BeginDrawing()
 257     start = time.time()
 258
 259     dc.SetPen( wx.Pen("BLACK",1) )
 260     dc.SetBrush( wx.Brush("RED") )
 261
 262     dc.DrawEllipseList(rectangles)
 263     dc.DrawEllipseList(rectangles,pens)
 264     dc.DrawEllipseList(rectangles,pens[0],brushes)
 265     dc.DrawEllipseList(rectangles,pens,brushes[0])
 266     dc.DrawEllipseList(rectangles,None,brushes)
 267     dc.DrawEllipseList(rectangles,pens,brushes)
 268
 269     dc.EndDrawing()
 270     log.write("DrawTime: %s seconds with DrawEllipsesList\n" % (time.time() - start))
 271
 272
 273 def TestRectanglesArray(dc,log):
 274     try:
 275         import Numeric
 276         Apoints = Numeric.array(rectangles)
 277
 278         dc.BeginDrawing()
 279         start = time.time()
 280         dc.SetPen(wx.Pen("BLACK", 1))
 281         dc.DrawRectangleList(rectangles)
 282         dc.DrawRectangleList(rectangles,pens)
 283         dc.DrawRectangleList(rectangles,pens[0],brushes)
 284         dc.DrawRectangleList(rectangles,pens,brushes[0])
 285         dc.DrawRectangleList(rectangles,None,brushes)
 286 ##        for i in range(10):
 287 ##            #dc.DrawRectangleList(rectangles,pens,brushes)
 288 ##            dc.DrawRectangleList(rectangles)
 289
 290         dc.EndDrawing()
 291         log.write("DrawTime: %s seconds with DrawRectangleList and Numpy Array\n" % (time.time() - start))
 292     except ImportError:
 293         log.write("Couldn't import Numeric")
 294         pass
 295
 296
 297 def TestRectanglesLoop(dc,log):
 298     dc.BeginDrawing()
 299
 300     start = time.time()
 301     dc.DrawRectangleList(rectangles,pens,brushes)
 302     log.write("DrawTime: %s seconds with DrawRectanglesList\n" % (time.time() - start))
 303
 304     start = time.time()
 305
 306     for i in range(len(rectangles)):
 307         dc.SetPen( pens[i] )
 308         dc.SetBrush( brushes[i]  )
 309         dc.DrawRectangle(rectangles[i][0],rectangles[i][1],rectangles[i][2],rectangles[i][3])
 310
 311     dc.EndDrawing()
 312     log.write("DrawTime: %s seconds with Python loop\n" % (time.time() - start))
 313
 314
 315 def TestPolygons(dc,log):
 316     dc.BeginDrawing()
 317
 318     start = time.time()
 319     dc.SetPen(wx.Pen("BLACK", 1))
 320     dc.DrawPolygonList(polygons)
 321     dc.DrawPolygonList(polygons,pens)
 322     dc.DrawPolygonList(polygons,pens[0],brushes)
 323     dc.DrawPolygonList(polygons,pens,brushes[0])
 324     dc.DrawPolygonList(polygons,None,brushes)
 325     log.write("DrawTime: %s seconds with DrawPolygonList\n" % (time.time() - start))
 326
 327     dc.EndDrawing()
 328
 329
 330 def TestText(dc,log):
 331     dc.BeginDrawing()
 332
 333     start = time.time()
 334
 335     # NOTE: you need to set BackgroundMode for the background colors to be used.
 336     dc.SetBackgroundMode(wx.SOLID)
 337     foreground = colors1
 338     background = colors2
 339     dc.DrawTextList(text, points, foreground, background)
 340
 341     log.write("DrawTime: %s seconds with DrawTextList\n" % (time.time() - start))
 342
 343     dc.EndDrawing()
 344
 345
 346
 347 class TestNB(wx.Notebook):
 348     def __init__(self, parent, id, log):
 349         style = wx.NB_BOTTOM
 350
 351         if wx.Platform == "__WXMAC__":
 352             style = 0
 353
 354         wx.Notebook.__init__(self, parent, id, style=style)
 355         self.log = log
 356
 357         # Initialize our various samples and add them to the notebook.
 358         win = DrawPanel(self, TestEllipses, log)
 359         self.AddPage(win, 'Ellipses')
 360
 361         win = DrawPanel(self, TestText, log)
 362         self.AddPage(win, 'Text')
 363
 364         win = DrawPanel(self, TestPolygons, log)
 365         self.AddPage(win, 'Polygons')
 366
 367         win = DrawPanel(self, TestPoints, log)
 368         self.AddPage(win, 'Points')
 369
 370         win = DrawPanel(self, TestLines, log)
 371         self.AddPage(win, 'Lines')
 372
 373         win = DrawPanel(self, TestRectangles, log)
 374         self.AddPage(win, 'Rectangles')
 375
 376 # Class used for all the various sample pages; the mechanics are the same
 377 # for each one with regards to the notebook. The only difference is
 378 # the function we use to draw on it.
 379 class DrawPanel(wx.Panel):
 380     def __init__(self, parent, drawFun, log):
 381         wx.Panel.__init__(self, parent, -1)
 382         self.SetBackgroundColour(wx.WHITE)
 383
 384         self.log = log
 385         self.drawFun = drawFun
 386         self.Bind(wx.EVT_PAINT, self.OnPaint)
 387
 388
 389     def OnPaint(self, evt):
 390         dc = wx.PaintDC(self)
 391         dc.Clear()
 392         self.drawFun(dc,self.log)
 393
 394
 395 #----------------------------------------------------------------------
 396
 397 def runTest(frame, nb, log):
 398     w = nb.GetClientSize().width
 399     h = nb.GetClientSize().height
 400     if w < 600: w = 600
 401     if h < 400: h = 400
 402     Init(w, h, 200)
 403     win = TestNB(nb, -1, log)
 404     return win
 405
 406 #----------------------------------------------------------------------
 407
 408
 409 overview = """\
 410
 411 Some methods have been added to wx.DC to help with optimization of
 412 drawing routines.  Currently they are:
 413
 414 <pre>
 415     DrawPointList(sequence, pens=None)
 416 </pre>
 417     Where sequence is a tuple, list, whatever of 2 element tuples
 418     (x, y) and pens is either None, a single pen or a list of pens.
 419
 420 <pre>
 421     DrawLineList(sequence, pens=None)
 422 </pre>
 423      Where sequence is a tuple, list, whatever of 4 element tuples
 424      (x1,y1, x2,y2) and pens is either None, a single pen or a list
 425      of pens.
 426
 427 <pre>
 428     DrawRectangleList(rectangles, pens=None, brushes=None)
 429 </pre>
 430
 431
 432 <pre>
 433     DrawEllipseList(ellipses, pens=None, brushes=None)
 434 </pre>
 435
 436
 437 <pre>
 438     DrawPolygonList(polygons, pens=None, brushes=None)
 439 </pre>
 440
 441
 442 <pre>
 443     DrawTextList(textList, coords, foregrounds = None, backgrounds = None)
 444 </pre>
 445
 446 """
 447
 448
 449 if __name__ == '__main__':
 450     import sys,os
 451     import run
 452     run.main(['', os.path.basename(sys.argv[0])])
 453