Some random test apps that I've been playing with

[wxWidgets.git] / wxPython / tests / test_gc.py

diff --git a/wxPython/tests/test_gc.py b/wxPython/tests/test_gc.py
new file mode 100644 (file)
index 0000000..773c25e
--- /dev/null
+++ b/wxPython/tests/test_gc.py
@@ -0,0 +1,101 @@
+import wx
+
+class TestPanel(wx.Panel):
+    def __init__(self, *args, **kw):
+        wx.Panel.__init__(self, *args, **kw)
+        self.Bind(wx.EVT_PAINT, self.OnPaint)
+
+    def OnPaint(self, evt):
+        gc = wx.GraphicsContext.Create(wx.PaintDC(self))
+        
+        pen = wx.Pen("navy", 2)
+        gc.SetPen(pen)
+        brush = wx.Brush((255,32,32,128))
+        gc.SetBrush(brush)
+        gc.PushState()
+
+        path = gc.CreatePath()
+        path.MoveToPoint(50, 50)
+        path.AddLineToPoint(25,25)
+        path.AddLineToPoint(50,25)
+        path.AddLineToPoint(50,50)
+        path.CloseSubpath()
+        
+        gc.DrawPath(path)
+
+        gc.Scale(2,2)
+        gc.Translate(10,5)
+        gc.DrawPath(path)
+
+        gc.Translate(50,0)
+        gc.FillPath(path)
+        gc.Translate(0,5)
+        gc.StrokePath(path)
+        gc.Translate(0,5)
+
+        brush = wx.Brush((32,32,255,128))
+        gc.SetBrush(brush)
+
+        gc.FillPath(path)
+        gc.Translate(50,0)
+        gc.DrawPath(path)
+
+        gc.PopState()
+
+        points = [ (5.2, 5.9),
+                   (50, 50),
+                   (35, 50),
+                   (25,40),
+                   wx.Point2D(20.5,50.9),
+                   wx.Point2D(5,25),
+                   (5,6)
+                   ]
+        
+        gc.Translate(0, 150)
+        gc.DrawLines(points)
+        gc.Translate(75, 0)
+        gc.StrokeLines(points)
+
+
+        begin = [ (0,0),
+                  (0,10),
+                  (0,20),
+                  (0,30),
+                  (0,40),
+                  (0,50),
+                  ]
+
+        end   = [ (50,0),
+                  (50,10),
+                  (50,20),
+                  (50,30),
+                  (50,40),
+                  (50,50),
+                  ]
+
+        # in a floating point coordinate system the center of the
+        # pixel is actually at x+0.5, y+0.5, so with anti-aliasing
+        # turned on we'll get a crisper line by positioning our line
+        # segments at the 0.5 offset.  For this test we'll just let
+        # the GC do the translation for us.
+        gc.Translate(0.5, 0.5)
+        
+        pen = wx.Pen("purple", 1)
+        gc.SetPen(pen)
+
+        gc.Translate(75, 0)
+        gc.StrokeLineSegements(begin, end)
+        
+        gc.Translate(75, 0)
+        gc.Scale(2,2)
+        gc.StrokeLineSegements(begin, end)
+        gc.DrawLines(points)
+
+        del path
+        
+
+app = wx.App(False)
+frm = wx.Frame(None)
+pnl = TestPanel(frm)
+frm.Show()
+app.MainLoop()