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发表于 2016-5-22 01:24:02
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- #!/usr/bin/env python
+ N, b, Z& L8 W/ T4 \+ c - # -*- coding: utf-8 -*-
" o) r5 A* `# |4 A/ m6 H - from Tkinter import *
" Y& p [) B6 J: A1 y9 g. | - from tkFileDialog import askopenfilename
9 {7 M0 {: j" ]; D - from PIL import Image, ImageTk, l5 a9 g+ K1 N' K' V6 L
- 9 }- i! b! \5 K4 ]0 h' G, W5 m
- if __name__ == "__main__":
[0 K. }# f( J6 Q* {/ u% H0 Z - root = Tk()
( ]/ L1 s1 l* i# @6 F - #setting up a tkinter canvas with scrollbars/ W7 ?7 w2 O& b
- frame = Frame(root, bd=2, relief=SUNKEN); _7 ]' u ]& K% |# w
- frame.grid_rowconfigure(0, weight=1)4 H- y* u1 P- M) |; O
- frame.grid_columnconfigure(0, weight=1)
5 y, [5 O" n2 ~' x; E$ W+ x- v - xscroll = Scrollbar(frame, orient=HORIZONTAL) [6 G* i7 q% K# [
- xscroll.grid(row=1, column=0, sticky=E+W)3 f# {( |0 F% T& q" H5 Q+ X
- yscroll = Scrollbar(frame)8 L7 v4 Q8 i6 g6 M
- yscroll.grid(row=0, column=1, sticky=N+S)
6 y6 p* O8 y: {. j$ ^ - canvas = Canvas(frame, bd=0, xscrollcommand=xscroll.set, yscrollcommand=yscroll.set), K, F7 D. h- U8 z
- canvas.grid(row=0, column=0, sticky=N+S+E+W)
, F5 `+ o% { U - xscroll.config(command=canvas.xview)( C# f- W/ d4 G$ i( `; u
- yscroll.config(command=canvas.yview)6 v7 ?. d* a7 Y. U9 I' \; d
- frame.pack(fill=BOTH,expand=1)
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6 n9 _ J$ a4 z$ A- #adding the image& k; J& R- O: f& D$ X7 D
- File = askopenfilename(parent=root, initialdir="C:/Users/dell/Desktop/意汉词典/_ok",title='Choose an image.')2 V1 l. O; A9 F! ^, P
- img = ImageTk.PhotoImage(Image.open(File))" q: J1 T3 Y6 d, a) ?0 j
- canvas.create_image(0,0,image=img,anchor="nw")! f& v5 f* s% k9 v \6 y
- canvas.config(scrollregion=canvas.bbox(ALL))
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: Y3 Y7 Z1 j& j. L" `! L/ R) I- #function to be called when mouse is clicked
- M# \* N5 j2 K( m - def printcoords(event):
H; w+ X( W" E1 h - #outputting x and y coords to console( [" u0 \% h0 e
- canvas = event.widget
o0 l: Y0 e" E+ w" H, b: b+ ^ - x = canvas.canvasx(event.x)
$ u' r! e8 T# [ - y = canvas.canvasy(event.y)
! G6 F$ m% B2 Q& m; T - oval = canvas.create_oval(x-8, y-8, x+8, y+8, fill="red")1 Y, S) g1 R/ u& k1 ^/ t! `
- print x,y& a- \6 a& I) L
- f = open('_coords.txt','a')0 T3 ], M& M- Y
- f.write('X: %s\tY: %s\n' % (x,y))
( y' P& W5 K$ k- ~1 \! Z0 z - f.close()
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- #mouseclick event& z8 Y5 }* F3 J: k
- canvas.bind("<Button 1>",printcoords)
& {& o$ S9 m8 d" U - root.mainloop()# R+ _5 Y6 M" h" ]+ N' {
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来源处：
5 y+ F9 J. Y X+ q; f7 l/ }( {http://stackoverflow.com/questio ... ck-coordinate-on-it |
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