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发表于 2016-5-22 01:24:02
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- #!/usr/bin/env python* M! S# g5 p m! N+ j2 \
- # -*- coding: utf-8 -*-
6 v1 O- \' {" X - from Tkinter import *; V0 V, H+ s- i/ C0 @4 W" k
- from tkFileDialog import askopenfilename; O$ T j" g0 Z+ J& t* x3 j" u! B; t
- from PIL import Image, ImageTk
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& s3 z7 Z* W C4 H2 X7 V' O- if __name__ == "__main__":. n; o! w& w3 F1 S
- root = Tk()! p* i' B, p* s; m, p% p
- #setting up a tkinter canvas with scrollbars( _5 i+ Z9 o3 y# Y; E
- frame = Frame(root, bd=2, relief=SUNKEN)
- l- C2 {: l/ q0 {+ x- C - frame.grid_rowconfigure(0, weight=1)3 w9 }' S3 g/ T ]5 w$ ^
- frame.grid_columnconfigure(0, weight=1)
/ q+ q g7 v* L1 P- y - xscroll = Scrollbar(frame, orient=HORIZONTAL)7 w ]% T2 O2 q
- xscroll.grid(row=1, column=0, sticky=E+W)
. m! j% K* q+ t) W - yscroll = Scrollbar(frame)- f, N; |6 t* _
- yscroll.grid(row=0, column=1, sticky=N+S)
! {! ~7 o' j* _. j8 h1 N - canvas = Canvas(frame, bd=0, xscrollcommand=xscroll.set, yscrollcommand=yscroll.set)8 _0 K% i1 d* `, d" r n4 _% m
- canvas.grid(row=0, column=0, sticky=N+S+E+W)
. U8 b4 a$ Q L - xscroll.config(command=canvas.xview)+ z' o# j3 S- ^( Z, l+ j
- yscroll.config(command=canvas.yview)
% S" @5 |: c/ f& ^2 P! p5 Q( n - frame.pack(fill=BOTH,expand=1)- G5 K! w \# x( B: D: `+ a' R
) G. N! n. y* l1 \% E- #adding the image
5 @8 _3 y U) a2 P; M! I - File = askopenfilename(parent=root, initialdir="C:/Users/dell/Desktop/意汉词典/_ok",title='Choose an image.')# w# X$ @% Z9 A! s" I; s# O0 t
- img = ImageTk.PhotoImage(Image.open(File))
- f+ d/ f' L# n$ r- k+ \6 j" \ - canvas.create_image(0,0,image=img,anchor="nw")1 }- K W6 U5 z5 N& S, ^5 I
- canvas.config(scrollregion=canvas.bbox(ALL))' `2 }; U5 z4 R d* F, M
9 x( F8 U6 E# Q J" U9 c- #function to be called when mouse is clicked
9 x* V5 h1 U( R9 N j/ C& ?) S - def printcoords(event): E- g* @' B, R6 i: ~7 \
- #outputting x and y coords to console" l2 v& F. F$ k7 H, E/ w, X, |7 [
- canvas = event.widget
' `" W6 ~) h: t# ~2 W - x = canvas.canvasx(event.x) G3 r$ X# B6 @# l' }9 T
- y = canvas.canvasy(event.y)! h% W6 y0 K7 e, q+ z; v
- oval = canvas.create_oval(x-8, y-8, x+8, y+8, fill="red")& U1 A3 ^% d7 ]- n; Z# q. |+ e2 T
- print x,y2 d! z% h* R# E( }+ i g. l* B2 z
- f = open('_coords.txt','a')) r& P8 K$ C6 j" h' F
- f.write('X: %s\tY: %s\n' % (x,y))* ]# {) J6 i9 `" \5 B
- f.close()
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# K; y$ a/ v2 ]) y7 B; O& b- #mouseclick event! N* z3 X4 e( n
- canvas.bind("<Button 1>",printcoords)
$ Z8 T" b: p+ B9 @ - root.mainloop(), U6 p0 F' l2 P i. x, T9 d1 Z; }
3 A: h4 w) g8 r$ C: }/ {" u来源处：
2 c% I4 D) ?) f8 ehttp://stackoverflow.com/questio ... ck-coordinate-on-it |
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