tkinter库Canvas操作三个实例
实例一:涂鸦
import tkinter as tk import pyautogui as ag from time import sleep def paint(event): x1, y1 = (event.x - 1), (event.y - 1) x2, y2 = (event.x + 1), (event.y + 1) tCanvas.create_oval(x1, y1, x2, y2, fill = "black") def moveRect(w,h): ag.moveRel(w,0, duration=w/1000) # moveRel移动 # dragRel拖曳 ag.moveRel(0,h, duration=h/1000) ag.moveRel(-w,0, duration=w/1000) ag.moveRel(0,-h, duration=h/1000) sleep(0.5) win = tk.Tk() W,H = 640,480 X,Y = win.maxsize() #获取屏幕分辨率 或者用: X,Y = ag.size() winPos = f'{W}x{H}+{(X-W)//2}+{(Y-H)//2}' win.geometry(winPos) win.resizable(False, False) win.title('桌面分辨率:'+str(X)+"x"+str(Y)) win.update() tCanvas = tk.Canvas(win, width = win.winfo_width(), height = 400, bg = 'white') tCanvas.pack(side = "top") tCanvas.bind("<B1-Motion>", paint) tCanvas.update() tk.Label(win, text = "画布作图").pack(side = "bottom") x0,y0 = 150,60 w,h = 350,160 x , y = win.winfo_rootx()+x0, win.winfo_rooty()+y0 ag.moveTo(x, y, duration=0.5) moveRect(w,h) #画直线 tCanvas.create_line(x0, y0, x0+w, y0) tCanvas.create_line(x0+w, y0, x0+w, y0+h) #可以把左上和右下两个坐标点一起赋值给变量 coord = x0+w, y0+h, x0, y0+h tCanvas.create_line(coord) coord = x0, y0+h, x0, y0 tCanvas.create_line(coord, fill = 'blue') tCanvas.update() moveRect(w-h/3,h) #画矩形 coord = x0+1,y0+1,x0+w-1-h/3,y0+h-1 tCanvas.create_rectangle(coord,fill='limegreen') tCanvas.update() moveRect(h,h) #画圆或椭圆 coord = x0,y0,x0+h,y0+h tCanvas.create_oval(coord,fill='deepskyblue') tCanvas.update() x0=x0+h/2 ag.moveRel(h/2,0) moveRect(w-h/2,h) coord = x0,y0,x0+w-h/2,y0+h tCanvas.create_oval(coord,fill='deeppink') tCanvas.update() #画扇形、弓形或一段弧 #type = PIESLICE 扇形、CHORD 弓形、ARC 弧形 sleep(1) coord = 100, 100, 300, 300 tCanvas.create_arc(coord,start=0,extent=180,fill='gold') tCanvas.update() sleep(1) coord = 240, 60, 490, 310 #颜色也可用6位16进制数的GRB值表示 tCanvas.create_arc(coord,style=tk.CHORD,start=10,fill='#7CFC00') tCanvas.update() sleep(1) coord = 180, 10, 470, 300 tCanvas.create_arc(coord,style=tk.ARC,width=3,dash=6,extent=-180) #参数有很多,可以上网搜相关参数表 win.mainloop()
运行效果图:
注:程序运行时,按下鼠标左键就可以在画布上作图,上图 python 字样就是本人所画 ^_^
还有其它作图函数:
# 多边形、三角形
tCanvas.create_polygon((10,100,10,180,100,180),fill='blue')
# 文字
tCanvas.create_text((150,50),text=u'输出文字',anchor=E)
# 位图
bmap={1:'error',2:'info',3:'question',4:'hourglass'} for i in bmap: tCanvas.create_bitmap((20*i,20),bitmap=bmap[i])
# 调入图片
img=PhotoImage(file='D:/pictures/exam.gif') tCanvas.create_image((200,200),image=img) tCanvas.pack()
实例二:颜色表
import tkinter as tk win = tk.Tk() X,Y = win.maxsize() #获取屏幕分辨率 W,H = 1200,800 winPos = f'{W}x{H}+{(X-W)//2}+{(Y-H)//2}' win.geometry(winPos) win.resizable(False, False) winTitle = f'桌面分辨率:{X}x{Y}{" "*6}窗口大小:{W}x{H}' win.title(winTitle) win.update() colorTuple=( ('black', '#000000'), ('navy', '#000080'), ('darkblue', '#00008B'), ('mediumblue', '#0000CD'), ('blue', '#0000FF'), ('darkgreen', '#006400'), ('green', '#008000'), ('teal', '#008080'), ('darkcyan', '#008B8B'), ('deepskyblue', '#00BFFF'), ('darkturquoise', '#00CED1'), ('mediumspringgreen', '#00FA9A'), ('lime', '#00FF00'), ('springgreen', '#00FF7F'), ('aqua', '#00FFFF'), ('cyan', '#00FFFF'), ('midnightblue', '#191970'), ('dodgerblue', '#1E90FF'), ('lightseagreen', '#20B2AA'), ('forestgreen', '#228B22'), ('seagreen', '#2E8B57'), ('darkslategray', '#2F4F4F'), ('limegreen', '#32CD32'), ('mediumseagreen', '#3CB371'), ('turquoise', '#40E0D0'), ('royalblue', '#4169E1'), ('steelblue', '#4682B4'), ('darkslateblue', '#483D8B'), ('mediumturquoise', '#48D1CC'), ('indigo', '#4B0082'), ('darkolivegreen', '#556B2F'), ('cadetblue', '#5F9EA0'), ('cornflowerblue', '#6495ED'), ('mediumaquamarine', '#66CDAA'), ('dimgray', '#696969'), ('slateblue', '#6A5ACD'), ('olivedrab', '#6B8E23'), ('slategray', '#708090'), ('lightslategray', '#778899'), ('mediumslateblue', '#7B68EE'), ('lawngreen', '#7CFC00'), ('chartreuse', '#7FFF00'), ('aquamarine', '#7FFFD4'), ('maroon', '#800000'), ('purple', '#800080'), ('olive', '#808000'), ('gray', '#808080'), ('skyblue', '#87CEEB'), ('lightskyblue', '#87CEFA'), ('blueviolet', '#8A2BE2'), ('darkred', '#8B0000'), ('darkmagenta', '#8B008B'), ('saddlebrown', '#8B4513'), ('darkseagreen', '#8FBC8F'), ('lightgreen', '#90EE90'), ('mediumpurple', '#9370DB'), ('darkviolet', '#9400D3'), ('palegreen', '#98FB98'), ('darkorchid', '#9932CC'), ('yellowgreen', '#9ACD32'), ('sienna', '#A0522D'), ('brown', '#A52A2A'), ('darkgray', '#A9A9A9'), ('lightblue', '#ADD8E6'), ('greenyellow', '#ADFF2F'), ('paleturquoise', '#AFEEEE'), ('lightsteelblue', '#B0C4DE'), ('powderblue', '#B0E0E6'), ('firebrick', '#B22222'), ('darkgoldenrod', '#B8860B'), ('mediumorchid', '#BA55D3'), ('rosybrown', '#BC8F8F'), ('darkkhaki', '#BDB76B'), ('silver', '#C0C0C0'), ('mediumvioletred', '#C71585'), ('indianred', '#CD5C5C'), ('peru', '#CD853F'), ('chocolate', '#D2691E'), ('tan', '#D2B48C'), ('lightgray', '#D3D3D3'), ('thistle', '#D8BFD8'), ('orchid', '#DA70D6'), ('goldenrod', '#DAA520'), ('palevioletred', '#DB7093'), ('crimson', '#DC143C'), ('gainsboro', '#DCDCDC'), ('plum', '#DDA0DD'), ('burlywood', '#DEB887'), ('lightcyan', '#E0FFFF'), ('lavender', '#E6E6FA'), ('darksalmon', '#E9967A'), ('violet', '#EE82EE'), ('palegoldenrod', '#EEE8AA'), ('lightcoral', '#F08080'), ('khaki', '#F0E68C'), ('aliceblue', '#F0F8FF'), ('honeydew', '#F0FFF0'), ('azure', '#F0FFFF'), ('wheat', '#F5DEB3'), ('beige', '#F5F5DC'), ('whitesmoke', '#F5F5F5'), ('mintcream', '#F5FFFA'), ('ghostwhite', '#F8F8FF'), ('salmon', '#FA8072'), ('sandybrown', '#FAA460'), ('antiquewhite', '#FAEBD7'), ('linen', '#FAF0E6'), ('lightgoldenrodyellow', '#FAFAD2'), ('oldlace', '#FDF5E6'), ('red', '#FF0000'), ('fuchsia', '#FF00FF'), ('magenta', '#FF00FF'), ('deeppink', '#FF1493'), ('orangered', '#FF4500'), ('tomato', '#FF6347'), ('hotpink', '#FF69B4'), ('coral', '#FF7F50'), ('darkorange', '#FF8C00'), ('lightsalmon', '#FFA07A'), ('orange', '#FFA500'), ('lightpink', '#FFB6C1'), ('pink', '#FFC0CB'), ('gold', '#FFD700'), ('peachpuff', '#FFDAB9'), ('navajowhite', '#FFDEAD'), ('moccasin', '#FFE4B5'), ('bisque', '#FFE4C4'), ('mistyrose', '#FFE4E1'), ('blanchedalmond', '#FFEBCD'), ('papayawhip', '#FFEFD5'), ('lavenderblush', '#FFF0F5'), ('seashell', '#FFF5EE'), ('cornsilk', '#FFF8DC'), ('lemonchiffon', '#FFFACD'), ('floralwhite', '#FFFAF0'), ('snow', '#FFFAFA'), ('yellow', '#FFFF00'), ('lightyellow', '#FFFFE0'), ('ivory', '#FFFFF0'), ('white', '#FFFFFF')) tv = tk.Canvas(win, width = win.winfo_width(), height = win.winfo_height()) tv.pack(side = "top") i = 0 rows = 35 w, h = 40, 10 w1, h1, h2 = 100, 28, 22 for ct in colorTuple: j = (i//rows) * 300 k = i * h2 - (i//rows) * h2 * rows x,y = j + w, k + h coord = x, y, j + w1, k + h1 tv.create_rectangle(coord,fill=ct[1]) tv.create_text((x+70,y+9),text=ct[1],anchor=tk.W,font=("宋体",9)) tv.create_text((x+120,y+9),text=ct[0],anchor=tk.W,font=("宋体",9)) i+=1 tv.update() for i in colorTuple: print(i[0],'\t' if len(i[0])>14 else '\t\t' if len(i[0])>6 else '\t\t\t',i[1])
运行效果图:
这些颜色已经足够多了,但据说装了seaborn扩展的话xkcd_rgb包含的颜色数(有英文名称的)会有更多......
实例三:围棋盘
import tkinter as tk win = tk.Tk() X,Y = win.maxsize() W,H = 800,800 winPos = f'{W}x{H}+{(X-W)//2}+{(Y-H)//2}' winTitle = f'桌面分辨率:{X}x{Y}{" "*6}窗口大小:{W}x{H}' win.geometry(winPos) win.resizable(False, False) win.title(winTitle) win.update() tv = tk.Canvas(win, width = win.winfo_width(), height = win.winfo_height()) tv.pack(side = "top") for i in range(18): coord = 40, 40, 760, i*40 + 80 tv.create_rectangle(coord) coord = 40, 40, i*40 + 80, 760 tv.create_rectangle(coord) coord = 40, 40, 760, 760 tv.create_rectangle(coord,width=2) x = (160,160,160,400,400,400,640,640,640) y = (160,400,640,160,400,640,160,400,640) for i in range(9): tv.create_oval(x[i]-2,y[i]-2,x[i]+2,y[i]+2,fill='black') tv.update()
运行效果图:
附录
例二输出的颜色列表
black #000000
navy #000080
darkblue #00008B
mediumblue #0000CD
blue #0000FF
darkgreen #006400
green #008000
teal #008080
darkcyan #008B8B
deepskyblue #00BFFF
darkturquoise #00CED1
mediumspringgreen #00FA9A
lime #00FF00
springgreen #00FF7F
aqua #00FFFF
cyan #00FFFF
midnightblue #191970
dodgerblue #1E90FF
lightseagreen #20B2AA
forestgreen #228B22
seagreen #2E8B57
darkslategray #2F4F4F
limegreen #32CD32
mediumseagreen #3CB371
turquoise #40E0D0
royalblue #4169E1
steelblue #4682B4
darkslateblue #483D8B
mediumturquoise #48D1CC
indigo #4B0082
darkolivegreen #556B2F
cadetblue #5F9EA0
cornflowerblue #6495ED
mediumaquamarine #66CDAA
dimgray #696969
slateblue #6A5ACD
olivedrab #6B8E23
slategray #708090
lightslategray #778899
mediumslateblue #7B68EE
lawngreen #7CFC00
chartreuse #7FFF00
aquamarine #7FFFD4
maroon #800000
purple #800080
olive #808000
gray #808080
skyblue #87CEEB
lightskyblue #87CEFA
blueviolet #8A2BE2
darkred #8B0000
darkmagenta #8B008B
saddlebrown #8B4513
darkseagreen #8FBC8F
lightgreen #90EE90
mediumpurple #9370DB
darkviolet #9400D3
palegreen #98FB98
darkorchid #9932CC
yellowgreen #9ACD32
sienna #A0522D
brown #A52A2A
darkgray #A9A9A9
lightblue #ADD8E6
greenyellow #ADFF2F
paleturquoise #AFEEEE
lightsteelblue #B0C4DE
powderblue #B0E0E6
firebrick #B22222
darkgoldenrod #B8860B
mediumorchid #BA55D3
rosybrown #BC8F8F
darkkhaki #BDB76B
silver #C0C0C0
mediumvioletred #C71585
indianred #CD5C5C
peru #CD853F
chocolate #D2691E
tan #D2B48C
lightgray #D3D3D3
thistle #D8BFD8
orchid #DA70D6
goldenrod #DAA520
palevioletred #DB7093
crimson #DC143C
gainsboro #DCDCDC
plum #DDA0DD
burlywood #DEB887
lightcyan #E0FFFF
lavender #E6E6FA
darksalmon #E9967A
violet #EE82EE
palegoldenrod #EEE8AA
lightcoral #F08080
khaki #F0E68C
aliceblue #F0F8FF
honeydew #F0FFF0
azure #F0FFFF
wheat #F5DEB3
beige #F5F5DC
whitesmoke #F5F5F5
mintcream #F5FFFA
ghostwhite #F8F8FF
salmon #FA8072
sandybrown #FAA460
antiquewhite #FAEBD7
linen #FAF0E6
lightgoldenrodyellow #FAFAD2
oldlace #FDF5E6
red #FF0000
fuchsia #FF00FF
magenta #FF00FF
deeppink #FF1493
orangered #FF4500
tomato #FF6347
hotpink #FF69B4
coral #FF7F50
darkorange #FF8C00
lightsalmon #FFA07A
orange #FFA500
lightpink #FFB6C1
pink #FFC0CB
gold #FFD700
peachpuff #FFDAB9
navajowhite #FFDEAD
moccasin #FFE4B5
bisque #FFE4C4
mistyrose #FFE4E1
blanchedalmond #FFEBCD
papayawhip #FFEFD5
lavenderblush #FFF0F5
seashell #FFF5EE
cornsilk #FFF8DC
lemonchiffon #FFFACD
floralwhite #FFFAF0
snow #FFFAFA
yellow #FFFF00
lightyellow #FFFFE0
ivory #FFFFF0
white #FFFFFF