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import svg
import wx
import wx.py.shell
import wx.aui
import wx.grid
class PathGrid(wx.grid.Grid):
def __init__(self, parent, pathOps):
super(PathGrid, self).__init__(parent)
self.CreateGrid(100,10)
firstColAttr = wx.grid.GridCellAttr()
choices = sorted(pathOps.keys())
firstColAttr.SetEditor(wx.grid.GridCellChoiceEditor(choices))
self.SetColMinimalWidth(0,140)
self.SetColAttr(0, firstColAttr)
class PathPanel(wx.Panel):
ctx = None
path = None
def __init__(self, parent, contextSource):
super(PathPanel, self).__init__(parent, style=wx.FULL_REPAINT_ON_RESIZE)
self.contextSource = contextSource
self.Bind(wx.EVT_PAINT, self.OnPaint)
def GetContext(self):
self.ctx = self.contextSource(self)
def SetPath(self, path):
self.ctx = self.contextSource(self)
self.path = path
self.Update()
self.Refresh()
def OnPaint(self, evt):
dc = wx.PaintDC(self)
self.GetContext()
if not (self.ctx and self.path):
return
self.ctx.DrawPath(self.path)
class DrawFrame(wx.Frame):
def __init__(self, parent, *args, **kwargs):
wx.Frame.__init__(self, parent, *args, **kwargs)
self.pathOps = dict((k,v) for (k,v) in wx.GraphicsPath.__dict__.iteritems() if k.startswith("Add"))
self.pathOps["CloseSubpath"] = wx.GraphicsPath.CloseSubpath
self.pathOps["MoveToPoint"] = wx.GraphicsPath.MoveToPoint
self.pathOps[""] = None
self._mgr = wx.aui.AuiManager()
self._mgr.SetManagedWindow(self)
self.panel = PathPanel(self, self.CreateContext)
self.locals = {
"wx":wx,
"frame":self,
"panel":self.panel,
"context":None
}
self.nb = wx.aui.AuiNotebook(self)
self.shell = wx.py.shell.Shell(self.nb, locals = self.locals)
self.grid = PathGrid(self.nb, self.pathOps)
self.nb.AddPage(self.shell, "Shell")
self.nb.AddPage(self.grid, "Path", True)
self._mgr.AddPane(self.nb,
wx.aui.AuiPaneInfo().Bottom().CaptionVisible(False).BestSize((-1,300))
)
self._mgr.AddPane(self.panel, wx.aui.AuiPaneInfo().CenterPane())
self._mgr.Update()
wx.CallAfter(self.panel.GetContext)
#wx.CallAfter(self.shell.SetFocus)
self.Bind(wx.grid.EVT_GRID_CELL_CHANGE, self.OnPathChange)
def CreateContext(self, target):
ctx = wx.GraphicsContext_Create(target)
ctx.SetPen(wx.BLACK_PEN)
ctx.SetBrush(wx.RED_BRUSH)
self.locals["context"] = ctx
return ctx
def OnPathChange(self, evt):
path = wx.GraphicsRenderer_GetDefaultRenderer().CreatePath()
self.FillPath(path)
self.panel.SetPath(path)
def FillPath(self, path):
for row in xrange(100):
#~ print row,
operation = self.grid.GetCellValue(row, 0)
if not operation:
return
#~ print operation,
args = []
for col in xrange(1,20):
v = self.grid.GetCellValue(row, col)
if not v:
break
args.append(float(v))
self.pathOps[operation](path, *args)
#~ print args
if __name__ == '__main__':
app = wx.App(False)
frame = DrawFrame(None, size=(800,600))
frame.Centre()
frame.Show()
app.MainLoop()
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