be05b43451
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@42925 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
107 lines
3.1 KiB
Python
107 lines
3.1 KiB
Python
import wx
|
|
|
|
|
|
class SketchWindow(wx.Window):
|
|
def __init__(self, parent, ID):
|
|
wx.Window.__init__(self, parent, ID)
|
|
self.SetBackgroundColour("White")
|
|
self.color = "Black"
|
|
self.thickness = 1
|
|
self.pen = wx.Pen(self.color, self.thickness, wx.SOLID)
|
|
self.lines = []
|
|
self.curLine = []
|
|
self.pos = (0, 0)
|
|
self.InitBuffer()
|
|
|
|
self.Bind(wx.EVT_LEFT_DOWN, self.OnLeftDown)
|
|
self.Bind(wx.EVT_LEFT_UP, self.OnLeftUp)
|
|
self.Bind(wx.EVT_MOTION, self.OnMotion)
|
|
self.Bind(wx.EVT_SIZE, self.OnSize)
|
|
self.Bind(wx.EVT_IDLE, self.OnIdle)
|
|
self.Bind(wx.EVT_PAINT, self.OnPaint)
|
|
|
|
def InitBuffer(self):
|
|
size = self.GetClientSize()
|
|
#self.buffer = wx.EmptyBitmap(max(1, size.width), max(1, size.height))
|
|
self.buffer = wx.EmptyBitmap(size.width, size.height)
|
|
if self.buffer.Ok():
|
|
dc = wx.BufferedDC(None, self.buffer)
|
|
dc.SetBackground(wx.Brush(self.GetBackgroundColour()))
|
|
dc.Clear()
|
|
self.DrawLines(dc)
|
|
self.reInitBuffer = False
|
|
|
|
def GetLinesData(self):
|
|
return self.lines[:]
|
|
|
|
def SetLinesData(self, lines):
|
|
self.lines = lines[:]
|
|
self.InitBuffer()
|
|
self.Refresh()
|
|
|
|
def OnLeftDown(self, event):
|
|
self.curLine = []
|
|
self.pos = event.GetPositionTuple()
|
|
self.CaptureMouse()
|
|
|
|
def OnLeftUp(self, event):
|
|
if self.HasCapture():
|
|
self.lines.append((self.color,
|
|
self.thickness,
|
|
self.curLine))
|
|
self.curLine = []
|
|
self.ReleaseMouse()
|
|
|
|
def OnMotion(self, event):
|
|
if event.Dragging() and event.LeftIsDown():
|
|
dc = wx.BufferedDC(wx.ClientDC(self), self.buffer)
|
|
self.drawMotion(dc, event)
|
|
event.Skip()
|
|
|
|
def drawMotion(self, dc, event):
|
|
dc.SetPen(self.pen)
|
|
newPos = event.GetPositionTuple()
|
|
coords = self.pos + newPos
|
|
self.curLine.append(coords)
|
|
dc.DrawLine(*coords)
|
|
self.pos = newPos
|
|
|
|
def OnSize(self, event):
|
|
self.reInitBuffer = True
|
|
|
|
def OnIdle(self, event):
|
|
if self.reInitBuffer:
|
|
self.InitBuffer()
|
|
self.Refresh(False)
|
|
|
|
def OnPaint(self, event):
|
|
dc = wx.BufferedPaintDC(self, self.buffer)
|
|
|
|
def DrawLines(self, dc):
|
|
for colour, thickness, line in self.lines:
|
|
pen = wx.Pen(colour, thickness, wx.SOLID)
|
|
dc.SetPen(pen)
|
|
for coords in line:
|
|
dc.DrawLine(*coords)
|
|
|
|
def SetColor(self, color):
|
|
self.color = color
|
|
self.pen = wx.Pen(self.color, self.thickness, wx.SOLID)
|
|
|
|
def SetThickness(self, num):
|
|
self.thickness = num
|
|
self.pen = wx.Pen(self.color, self.thickness, wx.SOLID)
|
|
|
|
|
|
class SketchFrame(wx.Frame):
|
|
def __init__(self, parent):
|
|
wx.Frame.__init__(self, parent, -1, "Sketch Frame",
|
|
size=(800,600))
|
|
self.sketch = SketchWindow(self, -1)
|
|
|
|
if __name__ == '__main__':
|
|
app = wx.PySimpleApp()
|
|
frame = SketchFrame(None)
|
|
frame.Show(True)
|
|
app.MainLoop()
|