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楼主 |
发表于 2016-5-22 01:29:18
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. }2 ~' O6 Q x- epython代码来源:7 `' w2 m% K, U9 x8 Y! S8 B
http://stackoverflow.com/questio ... ck-coordinate-on-it6 o& Y9 z; f9 V8 }% e% v& _
4 J% E9 @8 U! I% J6 Z7 k- #!/usr/bin/env python4 ?- D: _. N% }, h5 g% u) h6 I
- # -*- coding: utf-8 -*-8 \6 M" k. T+ d* A- s: |9 L0 p
- from Tkinter import *" y2 j$ q, g) u4 _; M" z
- from tkFileDialog import askopenfilename: o U2 ~0 X0 S! ~% I& {2 N( v
- from PIL import Image, ImageTk
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( i* a1 [ _* r& ] O- if __name__ == "__main__": x6 m& X k' G% r; ~, t+ U
- root = Tk()
% |" h" t3 i: ^# N! ] - #setting up a tkinter canvas with scrollbars' ~+ Z. ]( g' h" _! G9 X
- frame = Frame(root, bd=2, relief=SUNKEN). J0 |4 ]% x8 Q) t; O( {% K4 F
- frame.grid_rowconfigure(0, weight=1)- Z& |8 [$ u" p, I
- frame.grid_columnconfigure(0, weight=1) u* o9 R% M" Q; v
- xscroll = Scrollbar(frame, orient=HORIZONTAL)
; k4 Q& }; d. h3 c) r1 | - xscroll.grid(row=1, column=0, sticky=E+W)
& t, m, R3 I: J) I1 H4 w6 Q - yscroll = Scrollbar(frame)
% W! C5 \& n' a/ X$ D- @* r - yscroll.grid(row=0, column=1, sticky=N+S): |0 L7 b+ u7 J% I. L
- canvas = Canvas(frame, bd=0, xscrollcommand=xscroll.set, yscrollcommand=yscroll.set)
# |2 s+ q! d# l2 B) q7 {9 b6 Y+ K - canvas.grid(row=0, column=0, sticky=N+S+E+W)
* ?2 D4 R9 x' }7 V$ k' F5 q m - xscroll.config(command=canvas.xview)
- U) \7 C& j% X' k8 ~% l$ C& h, g - yscroll.config(command=canvas.yview)& U6 x" @6 R4 K* e2 X4 x
- frame.pack(fill=BOTH,expand=1)- q n( L# C& A) q. a9 B/ P
- 4 D. n0 S2 I- x, I2 l( ~: S! }
- #adding the image
, F5 R, ?4 |0 E- P; C3 @ - File = askopenfilename(parent=root, initialdir="C:/Users/dell/Desktop/意汉词典/_ok",title='Choose an image.')7 g: g) ?" `) ]6 \6 y# ~5 K6 X( [
- img = ImageTk.PhotoImage(Image.open(File)): u9 U. N+ O. f5 a3 _" R
- canvas.create_image(0,0,image=img,anchor="nw")7 U/ B: w, u' [, }. l+ r6 w, f, G
- canvas.config(scrollregion=canvas.bbox(ALL))
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- #function to be called when mouse is clicked
. ?* Q+ v- z& ] - def printcoords(event):
6 v. s& l( g9 n" w0 b - #outputting x and y coords to console
- t' _4 _( A# a I - canvas = event.widget, }) E, n3 n, C; j0 {
- x = canvas.canvasx(event.x)0 x5 W4 w. [! ]! T% i
- y = canvas.canvasy(event.y)
! ?& b% \4 `' M - oval = canvas.create_oval(x-8, y-8, x+8, y+8, fill="red")
& C2 o* A! `8 w9 o0 E! W# N( w! D - print x,y, Z$ L M7 n% Y
- f = open('_coords.txt','a')
' h' G& O" U/ E- k! ^# m - f.write('X: %s\tY: %s\n' % (x,y))
/ [, T& A# j+ i7 j5 F - f.close()5 X) r% [+ H! {$ M& r; {
$ |8 d5 N; `$ h4 A- #mouseclick event
/ X# x7 N* t& [4 L: ^# e; L5 k - canvas.bind("<Button 1>",printcoords)
) v( O5 \; q, @0 [8 B - root.mainloop()0 Y' L6 {5 ^5 |' f% @! y, R9 V% M
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