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发表于 2016-5-22 01:24:02
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- #!/usr/bin/env python
$ @0 c6 z) @9 i) M' H# w' } - # -*- coding: utf-8 -*-+ _3 Q$ h( K0 G8 E& R
- from Tkinter import *. {8 Q0 o- T+ x: z9 V
- from tkFileDialog import askopenfilename# _( r! o3 w& j1 B# W0 k
- from PIL import Image, ImageTk0 I% p2 D1 Y4 v1 }/ y; G
& R1 I" ^8 y3 l- p* g) a- if __name__ == "__main__":
# P f+ G3 G0 P0 e& v1 \' e7 p - root = Tk()! F0 ^8 G. I ^& O, D* E( L8 P
- #setting up a tkinter canvas with scrollbars" p/ J6 s$ }) g" L4 O5 @
- frame = Frame(root, bd=2, relief=SUNKEN)4 G' F! t# v( t2 d' Z
- frame.grid_rowconfigure(0, weight=1), U" z3 \8 |$ \% Z" S( \7 C
- frame.grid_columnconfigure(0, weight=1)
) h" S9 a1 t/ ^* M - xscroll = Scrollbar(frame, orient=HORIZONTAL)
! d n. Q& e3 k" G. R, C4 G, \ - xscroll.grid(row=1, column=0, sticky=E+W)
7 \6 c: J3 n$ ^3 u. o# ~ - yscroll = Scrollbar(frame)( b+ V8 V* b8 W; u
- yscroll.grid(row=0, column=1, sticky=N+S)
2 _$ B4 V3 I+ H" v3 l% I6 s- G" S - canvas = Canvas(frame, bd=0, xscrollcommand=xscroll.set, yscrollcommand=yscroll.set)
. J# K5 X2 I8 a5 v - canvas.grid(row=0, column=0, sticky=N+S+E+W)
' _9 c" v% Q0 \. v - xscroll.config(command=canvas.xview)
0 R7 q4 a/ ?' V) Q( T - yscroll.config(command=canvas.yview)
0 ?( \0 w* \; K7 r+ E - frame.pack(fill=BOTH,expand=1)( t& s" P0 r/ h$ q1 N
- 9 s7 J9 ^1 C( n% K- h6 [
- #adding the image7 |+ T! Y: y7 c( J
- File = askopenfilename(parent=root, initialdir="C:/Users/dell/Desktop/意汉词典/_ok",title='Choose an image.')# p1 Y) e B: y
- img = ImageTk.PhotoImage(Image.open(File))
4 Z9 W* X, @, M& m9 D& @ - canvas.create_image(0,0,image=img,anchor="nw")
4 `) X3 |0 W( Y2 g; D: H3 s - canvas.config(scrollregion=canvas.bbox(ALL))3 _! Y5 @8 q G. v3 A
- 5 W8 _ ]( O# I, x
- #function to be called when mouse is clicked8 y; [- A; X1 h6 m9 F8 s# L' P4 T' X
- def printcoords(event):
4 _+ g; A0 O" }4 W& ^& b, C8 \ - #outputting x and y coords to console' S7 c. h4 [( B! F
- canvas = event.widget# i4 V3 B ?7 h* d2 ^$ Y$ W
- x = canvas.canvasx(event.x)
?: [5 w# @; Y) Z/ j0 ]8 ~ - y = canvas.canvasy(event.y)
8 e4 h$ d: T( r: d) ~& |; S) u - oval = canvas.create_oval(x-8, y-8, x+8, y+8, fill="red")
8 @5 k% C; w: P5 H - print x,y% Y' v7 a& W9 ?7 o0 g7 I
- f = open('_coords.txt','a')9 R9 L. i3 v+ U, q
- f.write('X: %s\tY: %s\n' % (x,y))6 e. [ ]) C: F6 i! H
- f.close(): G: x' A1 j2 J6 Q5 L; J; P1 Q
; ~5 c! l, y( k/ U: M- #mouseclick event
0 P$ H3 e$ t' ^ - canvas.bind("<Button 1>",printcoords)6 f* L! p4 {" i7 S" o- b' ^
- root.mainloop()' Z6 b% J* N* @+ O4 \- @
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来源处：' p& @8 X2 T- X
http://stackoverflow.com/questio ... ck-coordinate-on-it |
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