62 lines
1.8 KiB
Python
62 lines
1.8 KiB
Python
# People's Video Editor: high quality, GPU accelerated mp4 editor
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# Copyright (C) 2025 Roz K <roz@rozk.net>
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#
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# This file is part of People's Video Editor.
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#
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# People's Video Editor is free software: you can redistribute it and/or modify it under the terms of the
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# GNU General Public License as published by the Free Software Foundation, either version 3 of the License,
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# or (at your option) any later version.
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#
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# People's Video Editor is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
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# without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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# See the GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License along with People's Video Editor.
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# If not, see <https://www.gnu.org/licenses/>.
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#TODO: split channels
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from .shape import Vertex, Shape
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from array import array
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class Mesh:
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__slots__ = '_array', '_view', '_size'
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def __init__(self, shape):
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#TODO: cpp
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if shape.cutouts:
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raise NotImplementedError
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if shape.size > 4:
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raise NotImplementedError
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self._array = array(Vertex.Type, 2 * 3 * Vertex.Channels)
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self._view = memoryview(self._array)
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self._size = self.view.nbytes
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tl = shape[0]
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tr = shape[1]
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br = shape[2]
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bl = shape[3]
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self.set(0, 0, tl)
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self.set(0, 1, tr)
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self.set(0, 2, br)
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self.set(1, 0, br)
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self.set(1, 1, bl)
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self.set(1, 2, tl)
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def __del__(self):
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del self._view
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del self._array
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def set(self, triangle, index, vertex):
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index = (triangle * 3 + index) * Vertex.Channels
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self._view[index:(index + Vertex.Channels)] = vertex
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@property
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def size(self):
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return self._size
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@property
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def view(self):
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return self._view
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