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发表于 2016-5-22 01:24:02
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- #!/usr/bin/env python* r, K+ [* W! Y* {
- # -*- coding: utf-8 -*-, E" }' M2 o: f W x, A
- from Tkinter import *; ~6 [- @/ \4 \( b
- from tkFileDialog import askopenfilename
- n7 a% k# k* S) M$ p3 B- m - from PIL import Image, ImageTk
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% z8 g3 z5 j0 d6 T; V- if __name__ == "__main__":3 p. `4 T7 U7 H3 ]$ @& }6 I
- root = Tk()
; z% E+ p6 a/ E$ F( v - #setting up a tkinter canvas with scrollbars& x) N. V' S' p
- frame = Frame(root, bd=2, relief=SUNKEN)
8 o: e G3 ^" f, ~' v - frame.grid_rowconfigure(0, weight=1)
" {8 ]2 k t+ X9 K# t6 g - frame.grid_columnconfigure(0, weight=1)! N. v6 o1 \" ?+ A
- xscroll = Scrollbar(frame, orient=HORIZONTAL)
# D: {3 T6 p" T, O. b( g - xscroll.grid(row=1, column=0, sticky=E+W)
9 f2 ?/ n9 V; W: ~$ W( s0 v7 P5 g* H - yscroll = Scrollbar(frame)( f. D$ ?$ U7 I. i2 V% Z, j
- yscroll.grid(row=0, column=1, sticky=N+S)
6 m, X* y2 t, ~! u0 _ - canvas = Canvas(frame, bd=0, xscrollcommand=xscroll.set, yscrollcommand=yscroll.set), f. @" f+ U. o8 S3 v* \
- canvas.grid(row=0, column=0, sticky=N+S+E+W)2 Q) G* G" w% G5 O5 Q7 V
- xscroll.config(command=canvas.xview)
0 O5 ]: c" T& j6 ?8 m - yscroll.config(command=canvas.yview)- o- N$ f$ j% T. a/ |/ t
- frame.pack(fill=BOTH,expand=1): U) k1 L+ t E* ^; M/ ?
# g5 I3 `6 y% f( z- #adding the image8 M& q( _) I7 t* Z, j2 M: J0 _9 y
- File = askopenfilename(parent=root, initialdir="C:/Users/dell/Desktop/意汉词典/_ok",title='Choose an image.')
: U7 y) A$ z! P' ~: Q F - img = ImageTk.PhotoImage(Image.open(File))
# g) c& W5 ^: }4 c1 ?/ U - canvas.create_image(0,0,image=img,anchor="nw")3 K: n, k2 D0 _9 n4 s: \. X" X. F
- canvas.config(scrollregion=canvas.bbox(ALL))! t. w6 E/ K# K1 ^1 K7 `7 ]
9 J/ D% m# A& e- #function to be called when mouse is clicked
# c3 `+ f8 d+ W# m: {$ m8 R) n' [ - def printcoords(event):4 y* U! _* z$ q9 n3 Z* I
- #outputting x and y coords to console* } p c$ C1 g2 A% ]7 ~$ ` h% `
- canvas = event.widget
% Y. F: ]1 `+ ^9 W: `7 s$ x - x = canvas.canvasx(event.x)( \6 }; U, S: S. J/ R+ t m
- y = canvas.canvasy(event.y)
* S/ t/ i c o. B7 D2 u+ ` - oval = canvas.create_oval(x-8, y-8, x+8, y+8, fill="red")/ H1 n+ S1 P- K
- print x,y- q" P0 B. D+ h
- f = open('_coords.txt','a'): z: Z3 S& K( R, x6 Q# l/ D
- f.write('X: %s\tY: %s\n' % (x,y))
3 N" K+ Y/ }4 |4 T0 A9 _ - f.close()/ A; m3 Z5 p: t4 r* S
) S8 n, q6 z& q* P- #mouseclick event/ _/ \( y/ f; X; }+ x3 I" g. I
- canvas.bind("<Button 1>",printcoords)
6 Q4 R1 G& x8 K& Y( A% W% I: K, P - root.mainloop()
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来源处：
N4 b6 {, f$ h6 m* A* Ahttp://stackoverflow.com/questio ... ck-coordinate-on-it |
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楼主: vbnet
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