59 lines
1.6 KiB
Python
59 lines
1.6 KiB
Python
import tkinter
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class TKDraw():
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def __init__(self):
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self.windowtitle = 'Tkdraw'
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self.ismousedown = False
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self.minwidth = 1
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self.maxwidth = 5
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self.t = tkinter.Tk()
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self.t.title(self.windowtitle)
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self.w = 450
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self.h = 350
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self.screenwidth = self.t.winfo_screenwidth()
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self.screenheight = self.t.winfo_screenheight()
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self.windowwidth = self.w
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self.windowheight = self.h
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self.windowx = (self.screenwidth-self.windowwidth) / 2
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self.windowy = ((self.screenheight-self.windowheight) / 2) - 27
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self.geometrystring = '%dx%d+%d+%d' % (self.windowwidth, self.windowheight, self.windowx, self.windowy)
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self.t.geometry(self.geometrystring)
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self.canvas = tkinter.Canvas(self.t, bg='#000')
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self.canvas.pack(expand=True, fill='both')
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#print(help(self.canvas.bind))
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self.canvas.bind('<ButtonPress>', self.mousedown)
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self.canvas.bind('<ButtonRelease>', self.mouseup)
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self.canvas.bind('<Motion>', self.mousedraw)
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self.prevx = None
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self.prevy = None
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def mainloop(self):
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self.t.mainloop()
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def mousedown(self, *b):
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self.ismousedown = True
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def mouseup(self, *b):
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self.ismousedown = False
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self.prevx = None
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self.prevy = None
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def mousedraw(self, event):
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if self.ismousedown is False:
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return
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x = event.x
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y = event.y
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if self.prevx is not None:
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distance = ((self.prevx - x)**2) + ((self.prevy - y) ** 2)
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distance = distance ** 0.5
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distance = max(self.minwidth, distance)
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distance = min(self.maxwidth, distance)
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self.canvas.create_line(self.prevx, self.prevy, x, y, width=distance, fill='#fff')
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self.prevx = x
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self.prevy = y
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tkd = TKDraw()
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tkd.mainloop() |