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发表于 2016-5-22 01:24:02
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- #!/usr/bin/env python- N7 ]! W: p z: }6 S K
- # -*- coding: utf-8 -*-- h% d/ w4 A! _4 i, ?
- from Tkinter import *
c9 D3 j* o# Q - from tkFileDialog import askopenfilename
5 X+ |1 X! V# M/ z8 y! G8 O - from PIL import Image, ImageTk8 `8 ~" c3 N) x, L' h2 i! J
- * D( u' S3 P% o3 z
- if __name__ == "__main__":
( c; d( ^1 U) k8 d) q - root = Tk()# g8 n5 z% {( b, A( R! l8 [
- #setting up a tkinter canvas with scrollbars
% G- H/ k/ {1 G$ k* E: O - frame = Frame(root, bd=2, relief=SUNKEN)% g* O# \- ]8 }0 J
- frame.grid_rowconfigure(0, weight=1)
+ @0 p7 z# Z2 z: P8 C. Q! _" p( H+ ~: C - frame.grid_columnconfigure(0, weight=1)) m' j- F' q8 ]$ M- q: o
- xscroll = Scrollbar(frame, orient=HORIZONTAL)6 P1 W' ]% ^+ ]: b+ }
- xscroll.grid(row=1, column=0, sticky=E+W)/ }% _ e, {6 n
- yscroll = Scrollbar(frame)
' I9 q7 f0 l8 u$ S9 ~ - yscroll.grid(row=0, column=1, sticky=N+S)1 g ~$ a& t6 _- C& m, U% x
- canvas = Canvas(frame, bd=0, xscrollcommand=xscroll.set, yscrollcommand=yscroll.set)! L/ Y! m: \ h! l- g' F
- canvas.grid(row=0, column=0, sticky=N+S+E+W): }: b$ \! e8 A+ Q0 s7 {
- xscroll.config(command=canvas.xview)
" A, Z1 k$ n* S+ i7 @- q1 C8 ^/ [/ {7 E - yscroll.config(command=canvas.yview)) ]% Z' p2 \9 ?. l. {" Y, D* M
- frame.pack(fill=BOTH,expand=1)
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n% P; Q' i) m5 M. \0 d. o+ _8 W2 Y- #adding the image9 W* ]) F* ?, M5 m) Y. w* w: Y
- File = askopenfilename(parent=root, initialdir="C:/Users/dell/Desktop/意汉词典/_ok",title='Choose an image.')
V0 H* R+ ^0 P( Y' @ - img = ImageTk.PhotoImage(Image.open(File))
4 w" e! i% C+ g - canvas.create_image(0,0,image=img,anchor="nw")
; A+ M! P, v8 X: _4 h - canvas.config(scrollregion=canvas.bbox(ALL))& i; P+ A2 X1 j% w1 v& `
/ k: G0 X6 y1 T5 u: D" C) d' g- #function to be called when mouse is clicked
3 h! G3 Q! f, [! X - def printcoords(event):4 R: r$ s4 a8 z U: B" {% x1 P
- #outputting x and y coords to console
) M( i4 R. u* b- g1 C1 a( O - canvas = event.widget8 d" a+ d: r# f. C5 b% Q
- x = canvas.canvasx(event.x)- C. V+ m! b4 ^. \
- y = canvas.canvasy(event.y)2 u% B! y8 N3 q
- oval = canvas.create_oval(x-8, y-8, x+8, y+8, fill="red")" g) f* u1 {9 E6 O: b6 R5 \2 y
- print x,y' ` X- {, P/ [+ R+ N/ R/ l
- f = open('_coords.txt','a')2 s! z- S# _2 L* V3 o7 C" G
- f.write('X: %s\tY: %s\n' % (x,y))- `# \: `& R9 k
- f.close()
( O# u/ V6 {) r* r1 A! d
: Q5 C0 B- j6 w+ |. l/ E- #mouseclick event3 Q; u, n, N4 G% i( t. y) k g, d9 }
- canvas.bind("<Button 1>",printcoords)
- X8 u+ t! e9 N5 f7 y) v - root.mainloop()7 N& L: ]" Z% V0 N/ n, q c0 Q6 {
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来源处：
- x$ c. {" o. ~+ ^+ Rhttp://stackoverflow.com/questio ... ck-coordinate-on-it |
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