[출처 : http://www.python-forum.org/pythonforum/viewtopic.php?f=2&t=10224]
# create a wx.MemoryDC canvas on top of a blank bitmap
# you can then save the canvas drawings to a standard image file
# source: Dietrich 25nov2008
import wx
import random
class MyFrame(wx.Frame):
def __init__(self, parent, mytitle, mysize):
wx.Frame.__init__(self, parent, wx.ID_ANY, mytitle, size=mysize)
self.show_bmp = wx.StaticBitmap(self)
self.draw_image()
self.save_image()
def draw_image(self):
# get the width and height for the blank bitmap
w, h = self.GetClientSize()
# create the blank bitmap as a drawing background
draw_bmp = wx.EmptyBitmap(w, h)
# create the canvas on top of the draw_bmp
canvas = wx.MemoryDC(draw_bmp)
# fill the canvas white
#canvas.SetBrush(wx.Brush('white'))
#canvas.Clear()
# pen colour, default is black
#canvas.SetPen(wx.Pen('red', 1))
# draw a bunch of random circles ...
bunch = 100
for k in range(bunch):
# fill colour
r = random.randint(0, 255)
g = random.randint(0, 255)
b = random.randint(0, 255)
colour = wx.Colour(r, g, b)
canvas.SetBrush(wx.Brush(colour))
x = random.randint(0, w)
y = random.randint(0, h)
r = random.randint(10, w/4)
canvas.DrawCircle(x, y, r)
# put the canvas drawing into the static bitmap to display it
# (remember the canvas is on top of a draw_bmp empty bitmap)
self.show_bmp.SetBitmap(draw_bmp)
def save_image(self):
"""save the drawing"""
# get the image object
circles_image = self.show_bmp.GetBitmap()
circles_image.SaveFile("mycircles.jpg", wx.BITMAP_TYPE_JPEG)
app = wx.App(0)
mytitle = 'draw random circles and save image'
width = 420
height = 400
MyFrame(None, mytitle, (width, height)).Show()
app.MainLoop()
# you can then save the canvas drawings to a standard image file
# source: Dietrich 25nov2008
import wx
import random
class MyFrame(wx.Frame):
def __init__(self, parent, mytitle, mysize):
wx.Frame.__init__(self, parent, wx.ID_ANY, mytitle, size=mysize)
self.show_bmp = wx.StaticBitmap(self)
self.draw_image()
self.save_image()
def draw_image(self):
# get the width and height for the blank bitmap
w, h = self.GetClientSize()
# create the blank bitmap as a drawing background
draw_bmp = wx.EmptyBitmap(w, h)
# create the canvas on top of the draw_bmp
canvas = wx.MemoryDC(draw_bmp)
# fill the canvas white
#canvas.SetBrush(wx.Brush('white'))
#canvas.Clear()
# pen colour, default is black
#canvas.SetPen(wx.Pen('red', 1))
# draw a bunch of random circles ...
bunch = 100
for k in range(bunch):
# fill colour
r = random.randint(0, 255)
g = random.randint(0, 255)
b = random.randint(0, 255)
colour = wx.Colour(r, g, b)
canvas.SetBrush(wx.Brush(colour))
x = random.randint(0, w)
y = random.randint(0, h)
r = random.randint(10, w/4)
canvas.DrawCircle(x, y, r)
# put the canvas drawing into the static bitmap to display it
# (remember the canvas is on top of a draw_bmp empty bitmap)
self.show_bmp.SetBitmap(draw_bmp)
def save_image(self):
"""save the drawing"""
# get the image object
circles_image = self.show_bmp.GetBitmap()
circles_image.SaveFile("mycircles.jpg", wx.BITMAP_TYPE_JPEG)
app = wx.App(0)
mytitle = 'draw random circles and save image'
width = 420
height = 400
MyFrame(None, mytitle, (width, height)).Show()
app.MainLoop()
