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发表于 2016-5-22 01:24:02
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- #!/usr/bin/env python( v# x; J: j. ]0 \$ l
- # -*- coding: utf-8 -*-
7 s9 \( k) j+ o) m0 y: @; }4 q - from Tkinter import *( a" E0 s; b9 g+ p) D5 b
- from tkFileDialog import askopenfilename
* z# y9 V/ L; B6 I! j - from PIL import Image, ImageTk! h& \8 X1 N* d" ~9 z% u8 i' x* z
- & D4 J! F9 R! H6 Y+ ]& C
- if __name__ == "__main__":
' B# H' B% {/ t+ U - root = Tk()
' X8 A. V* s5 R2 u) b2 |1 N - #setting up a tkinter canvas with scrollbars% c7 j" J3 c1 x& y8 d0 i m
- frame = Frame(root, bd=2, relief=SUNKEN)
# m5 H* M# g) y/ x, F8 ?" L - frame.grid_rowconfigure(0, weight=1) \/ S l i; B0 j; i0 u
- frame.grid_columnconfigure(0, weight=1)
, M& ^0 r# n/ b" s; O, \, H - xscroll = Scrollbar(frame, orient=HORIZONTAL)! z1 A: [; ~7 m. i
- xscroll.grid(row=1, column=0, sticky=E+W)" n3 ~( |1 U' L4 C& V4 ?4 E
- yscroll = Scrollbar(frame)9 j* x/ x/ d! u. V" k! Q3 U6 l, p/ {3 a
- yscroll.grid(row=0, column=1, sticky=N+S)
$ E; H; C5 i0 Q0 m1 v - canvas = Canvas(frame, bd=0, xscrollcommand=xscroll.set, yscrollcommand=yscroll.set)
, D% Q# [9 \: h( m% r8 Y- Y - canvas.grid(row=0, column=0, sticky=N+S+E+W)
* L; Z% w }( R) H% J/ G' `, [ - xscroll.config(command=canvas.xview)
( K9 G6 Z- g2 E5 d w" Y2 _0 m - yscroll.config(command=canvas.yview)
1 p# r0 a J: x' z# [ - frame.pack(fill=BOTH,expand=1)5 f/ \& U3 s/ N! Z; ~0 J
, i6 e, ^2 w! g, F t2 \- #adding the image+ v6 E0 S, _6 n" C8 v
- File = askopenfilename(parent=root, initialdir="C:/Users/dell/Desktop/意汉词典/_ok",title='Choose an image.')5 z* r$ h; ^& h4 r& i: c
- img = ImageTk.PhotoImage(Image.open(File))/ `7 m+ x9 c8 x) u2 X
- canvas.create_image(0,0,image=img,anchor="nw")
& P9 j+ U- i- _: p. d( V+ y - canvas.config(scrollregion=canvas.bbox(ALL))
+ s2 ~( c- _; h* t7 {6 \4 ^
' j5 E: N. r/ ]; M4 j) ^- #function to be called when mouse is clicked+ }! I! k8 h" e+ l( V
- def printcoords(event):0 |" u6 Z9 M: H1 y* l6 Z! Z
- #outputting x and y coords to console
- z( _6 _- e; [" K - canvas = event.widget& d- ]' H/ \! r" e
- x = canvas.canvasx(event.x)
. Z' n. v3 j% \ - y = canvas.canvasy(event.y)/ s/ K; l( j' [, \( Z. N* Q% Z
- oval = canvas.create_oval(x-8, y-8, x+8, y+8, fill="red")2 m- W1 x7 w4 L( C! T
- print x,y
+ u$ G; m( s) h0 c, s, y - f = open('_coords.txt','a')( z1 J' z j0 }( C
- f.write('X: %s\tY: %s\n' % (x,y))% s4 ?' P, X# T- j& }
- f.close()5 N' Z( M9 s J2 X9 b) l
- 4 ?$ L% Q4 I) L0 z0 U, ]
- #mouseclick event9 v& r8 @- Y9 p8 x
- canvas.bind("<Button 1>",printcoords)8 K, P* m) Q N
- root.mainloop()
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来源处：
% o: o7 {3 u0 f1 O3 \ X( Nhttp://stackoverflow.com/questio ... ck-coordinate-on-it |
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