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发表于 2016-5-22 01:24:02
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- #!/usr/bin/env python4 L) _3 ~; G- M. o/ w M+ C
- # -*- coding: utf-8 -*-, z1 t( _2 h" ^; }
- from Tkinter import *6 V9 V1 |5 g0 t/ S! }3 [3 e7 J
- from tkFileDialog import askopenfilename
; y% ?, e+ @) ]: S - from PIL import Image, ImageTk; _* Y1 {* \$ {7 S
( L# V+ q# l' m3 E8 o t+ J8 \- if __name__ == "__main__":8 _! ]8 `' \+ W7 y+ h
- root = Tk(): e/ c9 w: @" v& w9 l7 S* p
- #setting up a tkinter canvas with scrollbars
0 S7 b" K6 U1 e& y" q% Y8 N- a - frame = Frame(root, bd=2, relief=SUNKEN)
, m6 u$ P/ ?, \ j9 Z5 S2 r - frame.grid_rowconfigure(0, weight=1)0 s9 X4 ~8 x& g/ O3 @
- frame.grid_columnconfigure(0, weight=1)
+ ~( o* G1 E! I% H( h& A - xscroll = Scrollbar(frame, orient=HORIZONTAL)3 `' D6 V. _4 W: o2 S" V
- xscroll.grid(row=1, column=0, sticky=E+W)
1 F9 a6 e4 x! N# k" e/ Q- F - yscroll = Scrollbar(frame)
1 E( i; I% u b0 R; |9 o - yscroll.grid(row=0, column=1, sticky=N+S)( c v) \7 j- g$ S5 l5 S4 L) y
- canvas = Canvas(frame, bd=0, xscrollcommand=xscroll.set, yscrollcommand=yscroll.set)
- d! q# w3 b+ ? - canvas.grid(row=0, column=0, sticky=N+S+E+W)
5 z k8 U$ _1 w7 E5 m) ] - xscroll.config(command=canvas.xview)
; f4 L# G+ s2 D- y N" h - yscroll.config(command=canvas.yview)
2 @" |4 [/ q- p) k! l' P - frame.pack(fill=BOTH,expand=1)
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a. k$ {& ?6 s- #adding the image
# E0 a Z; r: o7 M8 T1 ^. Y - File = askopenfilename(parent=root, initialdir="C:/Users/dell/Desktop/意汉词典/_ok",title='Choose an image.')+ b5 z& G+ {0 v- X( _0 j4 |
- img = ImageTk.PhotoImage(Image.open(File))9 P/ x1 {9 O( R6 K
- canvas.create_image(0,0,image=img,anchor="nw")1 W4 y1 E, n5 m2 P+ \8 k9 S4 g
- canvas.config(scrollregion=canvas.bbox(ALL))( J# b9 M* C* w5 l/ i
2 H% c- ^1 R& R9 w k4 i- #function to be called when mouse is clicked- p& H2 G1 u5 W) u% }( C. B1 m! v
- def printcoords(event):
) W! _# h9 r/ d: [4 c9 z - #outputting x and y coords to console ~1 k6 B1 n* T. M! w% @
- canvas = event.widget. v3 j9 d0 e" A3 H
- x = canvas.canvasx(event.x)# Q$ l( m5 }! E& j9 L
- y = canvas.canvasy(event.y)
* a/ [* X% s7 w9 H% d! O' X( k$ l - oval = canvas.create_oval(x-8, y-8, x+8, y+8, fill="red")4 Z9 Y! g- i% i7 n
- print x,y5 @2 Y% C/ N. v- [* O, R
- f = open('_coords.txt','a')
2 O, I3 E$ l6 N- O3 S. [7 R4 ? - f.write('X: %s\tY: %s\n' % (x,y))
* c( K k/ B, n/ ?3 F - f.close()
0 [7 j: o7 w! W
0 e' _$ k& q* H/ U- #mouseclick event
. F9 g" p* ^( z3 O. ^ - canvas.bind("<Button 1>",printcoords)- a8 ^3 H0 I8 B9 M3 Y1 B# F2 \
- root.mainloop()
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; u' b4 ?" v( H2 S6 N' P" ~! m9 c来源处：1 t" \9 ~$ }3 e7 {$ S$ p, v) ]
http://stackoverflow.com/questio ... ck-coordinate-on-it |
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