# 2DGrafik.py
# 2DGrafik-minimiert-2.py
# bearbeitet Beispiel aus der wxPython Demo

import wx
import colorsys
from math import cos, sin, radians

BASE  = 80.0    # sizes used in shapes drawn below
BASE2 = BASE/2
BASE4 = BASE/4


class TestPanel(wx.Panel):
    def __init__(self, parent):
        wx.Panel.__init__(self, parent, -1)
        self.Bind(wx.EVT_PAINT, self.OnPaint)
        

    def OnPaint(self, evt):
        dc = wx.PaintDC(self)
        gc = self.MakeGC(dc)
        self.Draw(gc)
        

    def MakeGC(self, dc):
        try:
            gc = wx.GraphicsContext.Create(dc)
        except NotImplementedError:
            dc.DrawText("This build of wxPython does not support the wx.GraphicsContext "
                        "family of classes.",
                        25, 25)
            return None
        return gc
        
        
    def Draw(self, gc):
        font = wx.SystemSettings.GetFont(wx.SYS_DEFAULT_GUI_FONT)
        font.SetWeight(wx.BOLD)
        gc.SetFont(font, wx.BLACK) # wird ignoriert

        # make a path that contains a circle and some lines, centered at 0,0
        path = gc.CreatePath()
        path.AddCircle(0, 0, BASE2)
        path.AddRectangle(BASE-BASE4, -BASE4/2, BASE+BASE2, BASE4)

        gc.PushState()             # save current translation/scale/other state 
        gc.Translate(60, 75)       # reposition the context origin
        gc.SetPen(wx.Pen("navy", 1))
        gc.SetBrush(wx.Brush("pink"))
        # gc.StrokePath(path)        # nur Umrisse zeichnen
        # gc.FillPath(path)          # nur füllen
        gc.DrawPath(path)          # auch füllen


class Fenster(wx.Frame):
    """
    Die Klasse Fenster erzeugt einen Frame.
    """
    def __init__(self, parent, title):
        wx.Frame.__init__(self, parent, -1, title,
                          pos=(100, 100), size=(300, 200))
        self.panel = TestPanel(self)

class MyApp(wx.App):
    def OnInit(self):
        frame = Fenster(None, "Grafik")
        self.SetTopWindow(frame)
        frame.Show(True)
        return True
        
app = MyApp(redirect=False)
# Parameterwert True, wenn Ausgaben in der Standard E/A angezeigt werden sollen
app.MainLoop()