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发表于 2016-5-22 01:24:02
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- #!/usr/bin/env python) a1 M1 h- i, {2 i
- # -*- coding: utf-8 -*-
& S& F: h8 l& d4 [: `% E: S - from Tkinter import *
; O9 C$ a8 n2 v( F+ u. m) Y - from tkFileDialog import askopenfilename% A [. o5 b3 i
- from PIL import Image, ImageTk
% e6 u$ I8 b# r6 X8 J* p' _
" x, W' r! X) L" t: q8 `0 C; [- if __name__ == "__main__": p% u1 \8 t, p$ i4 G
- root = Tk()& H( @! O( Y P: J
- #setting up a tkinter canvas with scrollbars
7 B0 T8 J5 x% Q4 P4 |) U% o - frame = Frame(root, bd=2, relief=SUNKEN)$ x# d0 X e$ p
- frame.grid_rowconfigure(0, weight=1)
/ F* h5 e0 J- J) C0 I - frame.grid_columnconfigure(0, weight=1)
, p- z6 q# c; r2 B - xscroll = Scrollbar(frame, orient=HORIZONTAL)
; W3 u! O w: S - xscroll.grid(row=1, column=0, sticky=E+W)
0 B1 T# o( Q4 C/ v) w - yscroll = Scrollbar(frame)
9 r! E' R% K, i - yscroll.grid(row=0, column=1, sticky=N+S)9 B2 P& G9 `8 F' u8 l
- canvas = Canvas(frame, bd=0, xscrollcommand=xscroll.set, yscrollcommand=yscroll.set)7 B! F; e- I- M/ o" Y
- canvas.grid(row=0, column=0, sticky=N+S+E+W); Y- f5 G( j) M6 [. \& a" y( j
- xscroll.config(command=canvas.xview)
; x( R8 k! W& {8 ~2 F - yscroll.config(command=canvas.yview): F( _, ]+ ^4 x J$ H/ A
- frame.pack(fill=BOTH,expand=1)
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- #adding the image
6 }; E6 C+ v" H: u9 a5 w- M) O - File = askopenfilename(parent=root, initialdir="C:/Users/dell/Desktop/意汉词典/_ok",title='Choose an image.')3 e; y/ w8 p- T# r8 @3 y. B
- img = ImageTk.PhotoImage(Image.open(File))
9 U3 O! v+ R8 [& H - canvas.create_image(0,0,image=img,anchor="nw")4 w- J& w2 p9 U0 c. T4 ]3 g# o
- canvas.config(scrollregion=canvas.bbox(ALL))5 ~8 A3 {+ c; q* Q" d9 F% H1 W1 t
: }( ^4 I' \( b' U* M' o: H5 ]- #function to be called when mouse is clicked3 a# t+ d. X! z6 @% p1 m
- def printcoords(event):( T& S) D9 ?7 h& ]. a$ b
- #outputting x and y coords to console
- c' r; l4 m1 ~5 C6 J - canvas = event.widget( v* `/ m% P: c6 v) _; R
- x = canvas.canvasx(event.x)
7 }: q2 |8 O! d) t, ]# d - y = canvas.canvasy(event.y)4 E! w* |7 p3 _' ?
- oval = canvas.create_oval(x-8, y-8, x+8, y+8, fill="red")
9 y9 O3 H% f; v G8 g+ v( t" z - print x,y
) a5 @9 z) [( ~# G6 K - f = open('_coords.txt','a')
# K6 p1 w0 e* z - f.write('X: %s\tY: %s\n' % (x,y))0 s3 T: Z+ {4 H1 ~
- f.close()4 ?# Y" X- W2 a3 i
( |: T4 N2 G: _/ w) C2 O9 ]% C- #mouseclick event' x% j q' P2 E6 b; O
- canvas.bind("<Button 1>",printcoords)
2 l& Z) T+ G* g4 {3 E1 {8 m - root.mainloop()( F5 i* I+ u% L2 X! ?/ L% ]! V
/ ]! K( b) j) j* I8 v2 C: ?( N来源处：
6 p( M5 u1 c* i) ?http://stackoverflow.com/questio ... ck-coordinate-on-it |
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