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Optimize cairo_surface_to_numpy for faster rendering speed #1

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Optimize cairo_surface_to_numpy for faster rendering speed #1

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5 changes: 4 additions & 1 deletion src/handanim/core/utils.py
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Original file line number Diff line number Diff line change
Expand Up @@ -72,7 +72,10 @@ def cairo_surface_to_numpy(surface: cairo.ImageSurface):
h = surface.get_height()
a = np.ndarray(shape=(h, w, 4), dtype=np.uint8, buffer=buf)
# Cairo is ARGB, convert to a contiguous RGBA buffer for imageio.
return np.ascontiguousarray(a[:, :, [2, 1, 0, 3]])
b = a.copy()
b[:, :, 0] = a[:, :, 2]
b[:, :, 2] = a[:, :, 0]
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return b


def solve_quad_eqn(
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