相关疑难解决方法(0)

def show():

    file = raw_input("What is the name of the image file? ")

    picture = Image(file)

    width, height = picture.size()

    pix = picture.getPixels()

我正在尝试编写代码来显示此图像,但此代码不提供图像.如何更改我的代码才能显示此图像？

我必须创建一个程序,从命令行读取文件并将其转换为ASCII艺术.我使用的是PPM格式,这里是项目的链接.

这是我到目前为止:

import sys

def main(filename):
    image = open(filename)
    #reads through the first three lines
    color = image.readline().splitlines()
    size_width, size_height = image.readline().split()
    max_color = image.readline().splitlines()

    #reads the body of the file
    pixels = image.read().split()
    red = 0
    green = 0
    blue = 0
    r_g_b_value = []
    #pulls out the values of each tuple and coverts it to its grayscale value 
    for i in pixels:
        if i !=  "\n" or " ":
            if len(i) == 3:
                red = int(i[0]) …

如何给panel1添加背景图片？有哪个命令？

代码：

import wx
import wx
appy=wx.App()

class cg(wx.Frame) :
     def __init__(self,parent,id) :
         wx.Frame.__init__(self,parent,id,'GPA',pos=(1000,600),size=(600,400))
         #splitter = wx.SplitterWindow(self, -1)
         panel1 = wx.Panel(self)
         panel2 = wx.Panel(panel1, -1,size=(600,200),style=wx.BORDER_SUNKEN)
         panel3 = wx.Panel(panel1, -1,pos=(0,200),size=(600,200),style=wx.BORDER_SUNKEN)
         #panel3=wx.panel(panel1,-1,pos=(300,200),size=(600,200),style=wx.BORDER_SUNKEN)
         #panel13 = wx.Panel(panel1, -1, style=wx.BORDER_SUNKEN)
         #panel13 = wx.Panel(panel1, -1, style=wx.BORDER_SUNKEN)
         #panel13 = wx.Panel(panel1, -1, style=wx.BORDER_SUNKEN)

         #button1=wx.Button(panel1,label='exit',pos=(10,10),size=(10,10))
         #self.cnt1=wx.TextCtrl(panel1,pos=(40,60),size=(120,30))

if __name__=='__main__' :

     app=wx.PySimpleApp()
     frame=cg(parent=None,id=-1)
     frame.Show()
     app.MainLoop()