Python編程tkinter庫Canvas實(shí)現(xiàn)涂鴉顏色表及圍棋盤示例

更新時(shí)間：2021年10月03日 10:36:47 作者：Hann Yang

這篇文章主要為大家介紹了Python編程中如何使用tkinter庫Canvas來實(shí)現(xiàn)涂鴉，顏色表及圍棋盤的示例，有需要的朋友可以借鑒參考下，希望能夠有所幫助

tkinter庫Canvas操作三個(gè)實(shí)例

實(shí)例一：涂鴉

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移動(dòng)  # 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()
X,Y=ag.size()
winPos = "640x480+"
winPos += str((X-640)//2)+"+"
winPos += str((Y-480)//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 = "畫布作圖").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)
#畫直線
tCanvas.create_line(x0, y0, x0+w, y0)
tCanvas.create_line(x0+w, y0, x0+w, y0+h)
#可以把左上和右下兩個(gè)坐標(biāo)點(diǎn)一起賦值給變量
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)
#畫矩形
coord = x0+1,y0+1,x0+w-1-h/3,y0+h-1
tCanvas.create_rectangle(coord,fill='limegreen')
tCanvas.update() 
moveRect(h,h)
#畫圓或橢圓
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() 
#畫扇形、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
#顏色也可用6位16進(jìn)制數(shù)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)
#參數(shù)有很多，可以上網(wǎng)搜相關(guān)參數(shù)表 
win.mainloop()

運(yùn)行效果圖：

注：程序運(yùn)行時(shí)，按下鼠標(biāo)左鍵就可以在畫布上作圖，上圖 python 字樣就是本人所畫 ^_^

其它作圖函數(shù)：

# 多邊形、三角形
tCanvas.create_polygon((10,100,10,180,100,180),fill='blue')
# 文字
tCanvas.create_text((150,50),text=u'輸出文字',anchor=E) 
# 位圖
bmap={1:'error',2:'info',3:'question',4:'hourglass'}
for i in bmap:
    tCanvas.create_bitmap((20*i,20),bitmap=bmap[i]) 
# 調(diào)入圖片
img=PhotoImage(file='D:/pictures/exam.gif')
tCanvas.create_image((200,200),image=img)
tCanvas.pack()

實(shí)例二：顏色表

import tkinter as tk
import pyautogui as ag
win = tk.Tk()
X,Y=ag.size()
W,H=1200,800
winPos = str(W)+"x"+str(H)+"+"
winPos += str((X-W)//2)+"+"
winPos += str((Y-H)//2)
win.geometry(winPos)
win.resizable(False, False)
win.title('桌面分辨率：'+str(X)+"x"+str(Y)+' '*6+'窗口大?。?+str(W)+"x"+str(H))
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=("宋體",9))
    tv.create_text((x+120,y+9),text=ct[0],anchor=tk.W,font=("宋體",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])

運(yùn)行效果圖：

這些顏色已經(jīng)足夠多了，但據(jù)說裝了seaborn擴(kuò)展的話xkcd_rgb包含的顏色數(shù)(有英文名稱的)會(huì)有更多......

實(shí)例三：圍棋盤

import tkinter as tk
import pyautogui as ag
win = tk.Tk() 
X,Y=ag.size()
W,H=800,800
winPos = str(W)+"x"+str(H)+"+"
winPos += str((X-W)//2)+"+"
winPos += str((Y-H)//2)
win.geometry(winPos)
win.resizable(False, False)
win.title('桌面分辨率：'+str(X)+"x"+str(Y)+' '*6+'窗口大小：'+str(W)+"x"+str(H))
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()

運(yùn)行效果圖：

實(shí)例一中用到的 pyautogui，相關(guān)文章請(qǐng)見：

《python編程PyAutoGUI庫使用與安裝簡(jiǎn)介》

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