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ii-pix
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Cython tweaks to remove some unnecessary C code

This commit is contained in:
kris 2021-11-26 09:54:42 +00:00
parent 25e6ed7b88
commit cf63a35797
1 changed files with 4 additions and 1 deletions
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5
dither.pyx
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@ -583,6 +583,7 @@ cdef struct PaletteSelection:
int palette_idx
double total_error
@cython.boundscheck(False)
@cython.wraparound(False)
cdef PaletteSelection best_palette_for_line(float [:, ::1] line_cam, float[:, :, ::1] palettes_cam, int last_palette_idx, float last_penalty) nogil:
@ -619,7 +620,7 @@ cdef PaletteSelection best_palette_for_line(float [:, ::1] line_cam, float[:, :,
@cython.boundscheck(False)
@cython.wraparound(False)
cdef float[::1] _convert_rgb12_iigs_to_cam(float [:, ::1] rgb12_iigs_to_cam16ucs, (unsigned char)[::1] point_rgb12):
cdef float[::1] _convert_rgb12_iigs_to_cam(float [:, ::1] rgb12_iigs_to_cam16ucs, (unsigned char)[::1] point_rgb12) nogil:
cdef int rgb12 = (point_rgb12[0] << 8) | (point_rgb12[1] << 4) | point_rgb12[2]
return rgb12_iigs_to_cam16ucs[rgb12]
@ -631,6 +632,7 @@ import colour
@cython.boundscheck(False)
@cython.wraparound(False)
@cython.cdivision(True)
cdef float[:, ::1] linear_to_srgb_array(float[:, ::1] a, float gamma=2.4):
cdef int i, j
cdef float[:, ::1] res = np.empty_like(a, dtype=np.float32)
@ -671,6 +673,7 @@ def convert_cam16ucs_to_rgb12_iigs(float[:, ::1] point_cam):
@cython.boundscheck(False)
@cython.wraparound(False)
@cython.cdivision(True)
def k_means_with_fixed_centroids(
int n_clusters, int n_fixed, float[:, ::1] samples, (unsigned char)[:, ::1] initial_centroids, int max_iterations, float [:, ::1] rgb12_iigs_to_cam16ucs):