python 画图十大工具_python实现画图工具

简易画图工具(python)，供大家参考，具体内容如下

小黑最近在努力的入门python，正好学习到了python的tkinker模块下的canvas(画布)和button(按钮)再加上相应的事务管理，实现了一个简单的画图小工具。

程序代码

#画图软件的实现

from tkinter.filedialog import *

from tkinter import *

from tkinter.colorchooser import *

win_width=900

win_height=450

class application(frame):

def __init__(self,master=none,bgcolor="#000000"):

super().__init__(master)

self.master=master

self.bgcolor=bgcolor

self.x=0

self.y=0

self.fgcolor="#ff0000"

self.lastdraw=0 #表示最后绘制的图形的id

self.startdrawflag=false

self.pack()

self.createwidget()

def createwidget(self):

# 创建画板

self.drawcad=canvas(self,width=win_width,height=win_height*0.9,bg=self.bgcolor)

self.drawcad.pack()

# 创建按钮

btn_start = button(self,text="开始",name="start")

btn_start.pack(side="left",padx=10)

btn_pen = button(self, text="画笔", name="pen")

btn_pen.pack(side="left", padx=10)

btn_rect = button(self, text="矩形", name="rect")

btn_rect.pack(side="left", padx=10)

btn_clear = button(self, text="清屏", name="clear")

btn_clear.pack(side="left", padx=10)

btn_earsor = button(self, text="橡皮擦", name="earsor")

btn_earsor.pack(side="left", padx=10)

btn_line = button(self, text="直线", name="line")

btn_line.pack(side="left", padx=10)

btn_linearrow = button(self, text="箭头直线", name="linearrow")

btn_linearrow.pack(side="left", padx=10)

btn_color = button(self, text="颜色", name="color")

btn_color.pack(side="left", padx=10)

#为按钮绑定事件

btn_pen.bind_class("button","<1>",self.eventmanger)

self.drawcad.bind("",self.stopdraw)

def eventmanger(self,event):

name=event.widget.winfo_name()

print(name)

if name=="line" :

self.drawcad.bind("",self.myline)

elif name=="linearrow":

self.drawcad.bind("", self.mylinearrow)

elif name=="rect":

self.drawcad.bind("", self.myrect)

elif name=="pen":

self.drawcad.bind("", self.mypen)

elif name=="earsor":

self.drawcad.bind("", self.myearsor)

elif name=="clear":

self.drawcad.delete("all")

elif name=="color":

c= askcolor(color=self.fgcolor,title="画笔选择颜色")

self.fgcolor=c[1]

def myline(self,event):

self.startdraw(event)

self.lastdraw=self.drawcad.create_line(self.x,self.y,event.x,event.y,fill=self.fgcolor)

def mylinearrow(self,event):

self.startdraw(event)

self.lastdraw = self.drawcad.create_line(self.x, self.y, event.x, event.y,arrow=last , fill=self.fgcolor)

def myrect(self,event):

self.startdraw(event)

self.lastdraw = self.drawcad.create_rectangle(self.x, self.y, event.x, event.y, outline=self.fgcolor)

def mypen(self,event):

self.startdraw(event)

self.drawcad.create_rectangle(self.x, self.y, event.x, event.y, outline=self.fgcolor)

self.x=event.x

self.y=event.y

def myearsor(self,event):

self.startdraw(event)

self.drawcad.create_rectangle(event.x-4, event.y-4, event.x+4, event.y+4, fill=self.bgcolor)

self.x = event.x

self.y = event.y

def stopdraw(self,event):

self.startdrawflag=false

self.lastdraw=0

def startdraw(self,event):

self.drawcad.delete(self.lastdraw)

if not self.startdrawflag:

self.startdrawflag = true

self.x = event.x

self.y = event.y

root=tk()

app=application(root)

root.title("简易的画图工具")

root.geometry(str(win_width)+"x"+str(win_height)+"+100+100")

root.mainloop()

结果展示

以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持萬仟网。

如您对本文有疑问或者有任何想说的，请点击进行留言回复，万千网友为您解惑！