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发表于 2016-5-22 01:24:02
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- #!/usr/bin/env python
# J: p% R' N# x/ z$ M - # -*- coding: utf-8 -*-
# t; G6 y2 J9 v: t' F - from Tkinter import *9 f1 U7 |# p9 G/ J
- from tkFileDialog import askopenfilename0 R( x G! X w6 h2 F. J$ P3 K
- from PIL import Image, ImageTk
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/ Y$ R; H& P* J- if __name__ == "__main__":
4 w; k4 {: F6 Y/ q3 `, `4 I - root = Tk()0 H* e) I) \5 L, |* R! a
- #setting up a tkinter canvas with scrollbars
2 F" _$ F' r o: J/ h$ O - frame = Frame(root, bd=2, relief=SUNKEN)
I: k; I1 m, k6 J - frame.grid_rowconfigure(0, weight=1)0 W) f( s& t4 i Z& |0 v$ L9 p' X! [
- frame.grid_columnconfigure(0, weight=1)
$ r& K4 N- x9 M; B) ~' D - xscroll = Scrollbar(frame, orient=HORIZONTAL)
8 t' T' ]) b0 V. Y' B6 x( |# r - xscroll.grid(row=1, column=0, sticky=E+W)
0 x9 s9 Q9 Z$ l0 G( T9 d" f - yscroll = Scrollbar(frame)
# e: T+ g" {1 p+ i$ Z - yscroll.grid(row=0, column=1, sticky=N+S)4 O+ Y$ ~' u) v! `7 c
- canvas = Canvas(frame, bd=0, xscrollcommand=xscroll.set, yscrollcommand=yscroll.set)
O' ^; u# S8 y: q% R2 N5 m( g# M" R - canvas.grid(row=0, column=0, sticky=N+S+E+W)
u3 c# M1 z3 I - xscroll.config(command=canvas.xview)! v5 f- Y$ g: |
- yscroll.config(command=canvas.yview)" |- {8 y. w0 |1 b
- frame.pack(fill=BOTH,expand=1)+ H/ q+ d+ s A; ~
- 5 p9 |# ?$ i. t
- #adding the image% \* ~. y/ a7 N9 b8 y+ U. t
- File = askopenfilename(parent=root, initialdir="C:/Users/dell/Desktop/意汉词典/_ok",title='Choose an image.')( t+ H$ l. F x2 Z3 U
- img = ImageTk.PhotoImage(Image.open(File))& i, m( `% y+ D# \0 D' l6 }
- canvas.create_image(0,0,image=img,anchor="nw")
& v5 c0 P6 d7 P# {7 t - canvas.config(scrollregion=canvas.bbox(ALL))
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- #function to be called when mouse is clicked: r2 L/ j3 }1 r; M8 h# L* d" J4 U; v
- def printcoords(event):( O/ C% ~- a3 X7 E: `+ h) {
- #outputting x and y coords to console
9 i, O4 u- v5 P A - canvas = event.widget
, ^4 U" ~: L% h - x = canvas.canvasx(event.x); w* g" K/ l! T0 |7 f0 a
- y = canvas.canvasy(event.y)4 T1 G* s* Z, H' T( n
- oval = canvas.create_oval(x-8, y-8, x+8, y+8, fill="red")( W+ C8 Y6 K) X* v* {" e
- print x,y6 [' \/ Y6 }) q# e' b( q1 Y
- f = open('_coords.txt','a')
[9 U) d5 V4 g5 x - f.write('X: %s\tY: %s\n' % (x,y))9 t# n, h8 I& A. m! o
- f.close()8 Q' H r) d8 [, ?0 ]2 n9 f1 @+ _
- ^4 f4 ^! n( d: c) l
- #mouseclick event
7 t% X2 I2 y/ a - canvas.bind("<Button 1>",printcoords)
' C) u3 [" K: _, M7 e2 ~6 i - root.mainloop()2 D/ `# G) D" F4 |+ o6 t
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0 }% G- o4 Z" J: ^! {来源处：
$ ?: R& R- O4 L+ w7 whttp://stackoverflow.com/questio ... ck-coordinate-on-it |
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