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楼主 |
发表于 2016-5-22 01:29:18
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python代码来源：! C: t4 ~* F' T1 h$ D
http://stackoverflow.com/questio ... ck-coordinate-on-it; ]& q( [/ s6 i: i% G3 {
' c% G+ ^9 M. @+ ~+ ?- #!/usr/bin/env python) j& T d5 L8 \
- # -*- coding: utf-8 -*-. ~( X, {- w3 M7 a! e
- from Tkinter import *6 A: Y2 f+ b, j( G9 Z! U2 o* k
- from tkFileDialog import askopenfilename" j7 R5 q: E& X4 @+ M8 G2 Z
- from PIL import Image, ImageTk
z% ~# D4 L6 o1 M: [3 c' B6 c+ z+ G
7 |+ }, G. Z* i( T0 h- if __name__ == "__main__":
1 Q |/ L* L4 ~" `8 p7 z( v4 g$ f* T - root = Tk()
4 E9 M. K) O0 @* q - #setting up a tkinter canvas with scrollbars: F0 ]/ K5 G% D* u
- frame = Frame(root, bd=2, relief=SUNKEN)
z. G5 W$ U7 s. n, f' U - frame.grid_rowconfigure(0, weight=1)+ h8 i2 e, t, U6 S
- frame.grid_columnconfigure(0, weight=1)* z* B2 h0 k3 t& a1 S2 `
- xscroll = Scrollbar(frame, orient=HORIZONTAL)% g! y9 P& U. T
- xscroll.grid(row=1, column=0, sticky=E+W)
6 A7 b) H% Z/ R0 w6 v Y - yscroll = Scrollbar(frame)
% ?9 R; k1 w. Z! Q, J - yscroll.grid(row=0, column=1, sticky=N+S)
( b6 M b4 i! L! {3 y - canvas = Canvas(frame, bd=0, xscrollcommand=xscroll.set, yscrollcommand=yscroll.set)# P" e3 e, L! q% s- _ v& T
- canvas.grid(row=0, column=0, sticky=N+S+E+W)
0 R: J" V* I2 L) ?5 P% Y5 L& J6 L - xscroll.config(command=canvas.xview)! c* L# |: t& Q/ s4 a7 P0 ?# o
- yscroll.config(command=canvas.yview)
: N( b0 x; q7 f( Y5 O7 G O - frame.pack(fill=BOTH,expand=1)
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" ~5 n/ ^0 c8 Y7 ]3 \' d6 t* } ~- #adding the image4 v) s. n$ F: t% H8 ]6 d- R2 P
- File = askopenfilename(parent=root, initialdir="C:/Users/dell/Desktop/意汉词典/_ok",title='Choose an image.')
9 B; \; B3 j# ? - img = ImageTk.PhotoImage(Image.open(File))# H( h; C* y- T4 F' w
- canvas.create_image(0,0,image=img,anchor="nw")
; J$ J+ j& u) c8 ~ - canvas.config(scrollregion=canvas.bbox(ALL))/ e0 K& Z1 z9 ^3 t& k; u
- ! s0 N3 k% I9 [+ j
- #function to be called when mouse is clicked
2 A, o- R- u" z - def printcoords(event):6 k; \7 B# Z# C5 J v
- #outputting x and y coords to console
3 Q1 |) d' M& W/ d# o - canvas = event.widget
2 [9 U) t( m6 ^ - x = canvas.canvasx(event.x)
5 n4 ^0 X9 Q7 V* \* O$ D - y = canvas.canvasy(event.y)* w7 ?# r- L! a/ G* x0 ?! Y3 X
- oval = canvas.create_oval(x-8, y-8, x+8, y+8, fill="red")
6 G# ?* Z: M" f" D/ b' X0 ` - print x,y
* @) Y+ b; m8 _& X: A - f = open('_coords.txt','a')/ O) v8 N* v; H6 w! U3 m- C
- f.write('X: %s\tY: %s\n' % (x,y))& U2 p' J" n; m- L" H$ ~! g
- f.close()
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- #mouseclick event2 |* g9 [1 `& W4 y, p
- canvas.bind("<Button 1>",printcoords)
. n2 I6 G' g% ` - root.mainloop()
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