Εγκατέστησε φίλε μου τον wxpython 2.8 στον υπολογιστή σου αρχικά, για να έχεις και interface και επιπλέον εγώ δουλεύω σε OS Windows XP,με Python 2.7. Ο παρακάτω κωδικας είναι η απάντηση σου, εντος ενός pdf αρχείου υπάρχει μια εικόνα επιλέγεις το pdf και σου εμφανίζει την εικόνα και σου την έχει κάνει convert σε jpeg,ανάλογα σε πιό dir σου π.χ Επιφάνεια Εργασίας τρέχει το script θα σου εμφανιστεί και to image του pdf
import os
import wx
import sys
class PhotoCtrl(wx.App):
def __init__(self, redirect=False, filename=None):
wx.App.__init__(self, redirect, filename)
self.frame = wx.Frame(None, title='Photo Control')
self.panel = wx.Panel(self.frame)
self.PhotoMaxSize = 240
self.createWidgets()
self.frame.Show()
def onClose(self, event):
""""""
self.frame.Close()
def createWidgets(self):
instructions = 'Browse for an image'
img = wx.EmptyImage(240,240)
self.imageCtrl = wx.StaticBitmap(self.panel, wx.ID_ANY,
wx.BitmapFromImage(img))
instructLbl = wx.StaticText(self.panel, label=instructions)
self.photoTxt = wx.TextCtrl(self.panel, size=(200,-1))
browseBtn = wx.Button(self.panel, label='Browse')
browseBtn.Bind(wx.EVT_BUTTON, self.onBrowse)
closeBtn = wx.Button(self.panel, label="Close")
closeBtn.Bind(wx.EVT_BUTTON, self.onClose)
self.mainSizer = wx.BoxSizer(wx.VERTICAL)
self.sizer = wx.BoxSizer(wx.HORIZONTAL)
self.mainSizer.Add(wx.StaticLine(self.panel, wx.ID_ANY),
0, wx.ALL|wx.EXPAND, 5)
self.mainSizer.Add(instructLbl, 0, wx.ALL, 5)
self.mainSizer.Add(self.imageCtrl, 0, wx.ALL, 5)
self.sizer.Add(self.photoTxt, 0, wx.ALL, 5)
self.sizer.Add(browseBtn, 0, wx.ALL, 5)
self.sizer.Add(closeBtn, 0, wx.ALL, 5)
self.mainSizer.Add(self.sizer, 0, wx.ALL, 5)
self.panel.SetSizer(self.mainSizer)
self.mainSizer.Fit(self.frame)
self.panel.Layout()
def onBrowse(self, event):
"""
Browse for file
"""
wildcard = "PDF files (*.pdf)|*.pdf"
dialog = wx.FileDialog(None, "Choose a file",
wildcard=wildcard,
style=wx.OPEN)
if dialog.ShowModal() == wx.ID_OK:
pdf = file(dialog.GetPath(), "rb").read()
startmark = "\xff\xd8"
startfix = 0
endmark = "\xff\xd9"
endfix = 2
i = 0
njpg = 0
while True:
istream = pdf.find("stream", i)
if istream < 0:
break
istart = pdf.find(startmark, istream, istream+20)
if istart < 0:
i = istream+20
continue
iend = pdf.find("endstream", istart)
if iend < 0:
raise Exception("Didn't find end of stream!")
iend = pdf.find(endmark, iend-20)
if iend < 0:
raise Exception("Didn't find end of JPG!")
istart += startfix
iend += endfix
jpg = pdf[istart:iend]
jpgfile = file("jpg%d.jpg" % njpg, "wb")
jpgfile.write(jpg)
jpgfile.close()
njpg += 1
i = iend
pathname = os.path.dirname(sys.argv[0])
pathnamefinal=pathname+"/"+"jpg"+str(njpg-1)+".jpg"
self.photoTxt.SetValue(dialog.GetPath())
dialog.Destroy()
self.onView(pathnamefinal)
def onView(self,a):
filepath = a
img = wx.Image(filepath, wx.BITMAP_TYPE_ANY)
# scale the image, preserving the aspect ratio
W = img.GetWidth()
H = img.GetHeight()
if W > H:
NewW = self.PhotoMaxSize
NewH = self.PhotoMaxSize * H / W
else:
NewH = self.PhotoMaxSize
NewW = self.PhotoMaxSize * W / H
img = img.Scale(NewW,NewH)
self.imageCtrl.SetBitmap(wx.BitmapFromImage(img))
self.panel.Refresh()
if __name__ == '__main__':
app = PhotoCtrl()
app.MainLoop()
