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#!/usr/bin/env python3
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# MIT License
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#
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# Copyright (c) 2024 Eugenio Parodi <ceccopierangiolieugenio AT googlemail DOT com>
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#
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# Permission is hereby granted, free of charge, to any person obtaining a copy
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# of this software and associated documentation files (the "Software"), to deal
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# in the Software without restriction, including without limitation the rights
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# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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# copies of the Software, and to permit persons to whom the Software is
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# furnished to do so, subject to the following conditions:
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#
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# The above copyright notice and this permission notice shall be included in all
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# copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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# SOFTWARE.
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import sys, os
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import time, math
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sys.path.append(os.path.join(sys.path[0],'../../libs/pyTermTk'))
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import TermTk as ttk
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class Parallax(ttk.TTk):
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COLOR1 = ttk.TTkColor.fg("#FFFFFF")+ttk.TTkColor.bg("#0000FF")
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COLOR2 = ttk.TTkColor.fg("#FFFFFF")+ttk.TTkColor.bg("#AAAAAA")
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COLOR3 = ttk.TTkColor.fg("#FFFFFF")+ttk.TTkColor.bg("#888888")
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COLOR4 = ttk.TTkColor.fg("#FFFFFF")+ttk.TTkColor.bg("#666666")
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def __init__(self, *args, **kwargs):
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self._baseTime = time.time()
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super().__init__(*args, **kwargs)
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ttk.TTkHelper._rootWidget.paintExecuted.connect(self._refreshAnimation)
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self._refreshAnimation()
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@ttk.pyTTkSlot()
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def _refreshAnimation(self):
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self.update()
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# 1) 11 11 11 11-11 11 11 11-11 11 ..
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# 2) 22 11 11 11-22 11 11 11-22 11 ..
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# 3) 33 33 11 11-33 33 11 11-33 33 ..
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# 4) 44 44 44 11-44 44 44 11-44 44 ..
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# 5) 44 44 44 44-44 44 44 44-44 44 ..
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def paintEvent(self, canvas: ttk.TTkCanvas):
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w,h = self.size()
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diff = int(300*(time.time() - self._baseTime))
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secH = h//5
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# draw the 1st section
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canvas.fill(pos=(0,0), size=(w,secH*4), color=Parallax.COLOR1)
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# draw the 2nd section
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for x in range(0,w+8,16):
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x += (diff%(32*4))//8
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canvas.fill(pos=(w-x,secH), size=(3,secH*3), color=Parallax.COLOR2)
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canvas.fill(pos=(w-x-2,3*secH//2), size=(6,secH*3), color=Parallax.COLOR2)
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# draw the 3nd section
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for x in range(0,w+16,32):
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x += (diff%(32*6))//6
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canvas.fill(pos=(w-x,2*secH), size=(12,secH*2), color=Parallax.COLOR3)
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canvas.fill(pos=(w-x+12,5*secH//2), size=(4,secH*2), color=Parallax.COLOR3)
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# draw the 4nd section
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for x in range(0,w+20,50):
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x += (diff%(50*4))//4
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canvas.fill(pos=(w-x,3*secH), size=(20,secH), color=Parallax.COLOR4)
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# draw the 5nd section
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canvas.fill(pos=(0,4*secH), size=(w,secH), color=Parallax.COLOR4)
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root = Parallax()
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root.mainloop()
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