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发表于 2016-5-22 01:24:02
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- #!/usr/bin/env python7 C6 q* O( f5 x. n5 T6 @6 `/ U
- # -*- coding: utf-8 -*-. F' {; q. M( R- X+ A6 z
- from Tkinter import *% ^& C7 A$ C; f P. V7 h8 O! y2 M
- from tkFileDialog import askopenfilename: p0 U* _ U P4 `
- from PIL import Image, ImageTk! l" J# P$ h5 k/ i: q
- ; e7 f8 [8 ~4 V
- if __name__ == "__main__":
; E e. B ]( }6 s - root = Tk()# M) F7 M" k/ f9 _* D
- #setting up a tkinter canvas with scrollbars# B- B( [) m9 K' @+ k2 Y6 e
- frame = Frame(root, bd=2, relief=SUNKEN)
* R% n0 m% X9 N) s4 l: R8 c - frame.grid_rowconfigure(0, weight=1)$ p! B: z7 w l
- frame.grid_columnconfigure(0, weight=1); `4 r+ ^6 ~- p" N/ K
- xscroll = Scrollbar(frame, orient=HORIZONTAL)0 x$ S8 r2 d* d: t& x
- xscroll.grid(row=1, column=0, sticky=E+W)
2 j; h% s( J: M - yscroll = Scrollbar(frame)
+ ^1 v: q0 ]" v9 \0 C" O: K - yscroll.grid(row=0, column=1, sticky=N+S); A4 S' {& E# h9 o
- canvas = Canvas(frame, bd=0, xscrollcommand=xscroll.set, yscrollcommand=yscroll.set)* `8 s+ N7 s1 J T& b3 ^# Z5 V2 \
- canvas.grid(row=0, column=0, sticky=N+S+E+W)
b( @, w7 R- J6 d- S - xscroll.config(command=canvas.xview)& g& M* q' x9 R, X" \- p' A
- yscroll.config(command=canvas.yview)
$ E- s* h8 G9 w7 h5 b/ S9 q( i - frame.pack(fill=BOTH,expand=1)) N0 t9 A3 z$ |6 c7 k& n
8 O) Y5 R$ K0 R2 t, X: ?+ K- #adding the image
+ Y! N, n3 Q: l; Z% z - File = askopenfilename(parent=root, initialdir="C:/Users/dell/Desktop/意汉词典/_ok",title='Choose an image.')! E9 O; M0 Z4 {# x
- img = ImageTk.PhotoImage(Image.open(File))
6 Q1 F% i- X9 | - canvas.create_image(0,0,image=img,anchor="nw")
; n0 W' [1 g) @/ k x - canvas.config(scrollregion=canvas.bbox(ALL))
2 @) Q, U g- B$ T6 Q - 2 x. K4 k' |# N) u/ Z& F6 p5 U2 z
- #function to be called when mouse is clicked" D7 h% `$ w, y- p8 }
- def printcoords(event):
6 ~) w, G Z: W) K- U9 x& p - #outputting x and y coords to console
$ a% Y% d/ x' l - canvas = event.widget
- ?( Z" A$ ~8 W% g- Z5 {( D! D - x = canvas.canvasx(event.x)
. F0 {# Z. n5 q H4 m$ _5 w6 U - y = canvas.canvasy(event.y), D# _) W% @% [- ^
- oval = canvas.create_oval(x-8, y-8, x+8, y+8, fill="red")
/ k$ n. |- w6 m3 ?3 U) ] - print x,y
/ p6 ?8 r! Y, h' n& q+ E3 ^ - f = open('_coords.txt','a')$ z3 s: n0 B7 u5 |6 i
- f.write('X: %s\tY: %s\n' % (x,y))
+ M5 E& \/ i4 ?. a) w8 M - f.close()8 o# e* e* ?9 h) O: _
- " P; S2 S/ w- L$ Y8 f# }
- #mouseclick event1 s( _$ O9 d- B& `
- canvas.bind("<Button 1>",printcoords)1 D t# }1 F. ^) y/ n* t
- root.mainloop()8 c5 o4 ~" g) { u
- V. I8 u% ?! u1 I S( k- r; ?来源处：
7 y; J' n* d+ V% S4 f. ohttp://stackoverflow.com/questio ... ck-coordinate-on-it |
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