Add files via upload

Cielab/Cielab.pxd

@@ -0,0 +1,212 @@
+# cython: binding=False, boundscheck=False, wraparound=False, nonecheck=False, cdivision=True,
+# profile=False, initializedcheck=False
+# cython: optimize.use_switch=True
+# cython: warn.maybe_uninitialized=False
+# cython: warn.unused=False
+# cython: warn.unused_result=False
+# cython: warn.unused_arg=False
+# cython: language_level=3
+# encoding: utf-8
+
+"""
+                 GNU GENERAL PUBLIC LICENSE
+                       Version 3, 29 June 2007
+
+ Copyright (C) 2007 Free Software Foundation, Inc. <https://fsf.org/>
+ Everyone is permitted to copy and distribute verbatim copies
+ of this license document, but changing it is not allowed.
+
+Copyright Yoann Berenguer
+"""
+
+
+# NUMPY IS REQUIRED
+try:
+    import numpy
+    from numpy import ndarray, zeros, empty, uint8, int32, float64, \
+        float32, dstack, full, ones, asarray, ascontiguousarray, full_like,\
+        int16, arange
+except ImportError:
+    raise ImportError("\n<numpy> library is missing on your system."
+          "\nTry: \n   C:\\pip install numpy on a window command prompt.")
+
+cimport numpy as np
+
+cdef extern from 'Include/Cielab_c.c':
+
+    struct im_stats:
+        float red_mean;
+        float red_std_dev;
+        float green_mean;
+        float green_std_dev;
+        float blue_mean;
+        float blue_std_dev;
+
+    struct lab:
+        float l;
+        float a;
+        float b;
+
+    struct xyz:
+        float x;
+        float y;
+        float z;
+
+    struct rgb:
+        float r
+        float g
+        float b
+
+
+
+
+cpdef tuple array3d_mean(object array)
+cdef tuple array3d_mean_c(object array)
+
+cpdef im_stats array3d_stats(object array)
+
+# --------------------- TRANSFORMATION AT THE PIXEL LEVEL -------------------------------------------------------------
+
+# CONVERT XYZ to RGB (ADOBE 1998) D65/2 & D50
+cpdef rgb xyz_adobe98(float x, float y, float z, str ref=*)nogil
+cdef rgb xyz_adobe98_c(float x, float y, float z, str ref=*)nogil
+
+# CONVERT RGB (ADOBE 1998) TO XYZ D65/2 & D50
+cpdef xyz adobe98_xyz(float r, float g, float b, str ref=*)nogil
+cdef xyz adobe98_xyz_c(float r, float g, float b, str ref=*)nogil
+
+
+# CONVERT COLOR RGB -> XYZ D65 & D50
+cpdef xyz rgb_to_xyz(float r, float g, float b, str ref=*)nogil
+cdef xyz rgb_to_xyz_c(float r, float g, float b, str ref=*)nogil
+
+# CONVERT XYZ -> RGB COLOR D65 & D50
+cpdef rgb xyz_to_rgb(float x, float y, float z, str ref=*)nogil
+cdef rgb xyz_to_rgb_c(float x, float y, float z, str ref=*)nogil
+
+# CONVERT XYZ to CIELAB
+cpdef lab xyz_to_cielab(
+        float x,
+        float y,
+        float z,
+        const float [:] model=*,
+        bint format_8b = *
+)nogil
+cdef lab xyz_to_cielab_c(
+        float x,
+        float y,
+        float z,
+        const float [:] model=*,
+        bint format_8b = *
+)nogil
+
+# CONVERT CIELAB TO XYZ
+cpdef xyz cielab_to_xyz(
+        float l ,
+        float a,
+        float b,
+        const float [:] model=*,
+        bint format_8b = *
+)nogil
+cdef xyz cielab_to_xyz_c(
+        float l ,
+        float a,
+        float b,
+        const float [:] model=*,
+        bint format_8b = *
+)nogil
+
+# CONVERT RGB TO CIELAB
+cpdef lab rgb_to_cielab(
+        float r,
+        float g,
+        float b,
+        const float [:] model=*,
+        bint format_8b=*
+)nogil
+cdef lab rgb_to_cielab_c(
+        float r,
+        float g,
+        float b,
+        const float [:] model=*,
+        bint format_8b=*
+)nogil
+
+
+# CONVERT CIELAB TO RGB
+cpdef rgb cielab_to_rgb(
+        float l,
+        float a,
+        float b,
+        const float [:] model=*,
+        bint format_8b=*
+)nogil
+cdef rgb cielab_to_rgb_c(
+        float l,
+        float a,
+        float b,
+        const float [:] model=*,
+        bint format_8b=*
+)nogil
+
+# --------------------------------------------------------------------------------------------------------------------
+
+# -------------------------------TRANSFORMATION AT THE IMAGE / ARRAY LEVEL -------------------------------------------
+# CONVERT IMAGE RGB TO IMAGE CIELAB
+cpdef rgb_2_cielab(
+        unsigned char[:, :, :] rgb_array,
+        str illuminant =*,
+        bint format_8b=*
+)
+cdef rgb_2_cielab_c(
+        unsigned char[:, :, :] rgb_array,
+        float [:] illuminant_model = *,
+        bint format_8b = *
+)
+
+cpdef cielab_2_rgb(
+        float [:, :, :] lab_array,
+        str illuminant = *,
+        bint format_8b = *
+)
+cdef cielab_2_rgb_c(
+        float [:, :, :] lab_array,
+        const float [:] illuminant_model = *,
+        bint format_8b = *
+)
+
+cpdef WhiteBalance(
+        unsigned char[:, :, :] rgb_array,
+        float c1= *,
+        str illuminant= *,
+        bint format_8b = *
+)
+
+cpdef void WhiteBalanceInplace(
+        unsigned char[:, :, :] rgb_array,
+        float c1= *,
+        str illuminant= *,
+        bint format_8b = *
+)
+
+# Not fully tested in ver 1.0.11
+cpdef white_balance_grayworld(rgb_array)
+# Not fully tested in ver 1.0.11
+cpdef white_balance_SDWGW(rgb_array)
+
+
+cpdef rgb2adobe(unsigned char[:, :, :] rgb_array, str ref=*)
+cdef rgb2adobe_c(unsigned char[:, :, :] rgb_array, str ref=*)
+
+cpdef adobe2rgb(float [:, :, :] adobe98_array, str ref=*)
+cdef adobe2rgb_c(float [:, :, :] adobe98_array, str ref=*)
+
+
+cpdef void rgb2adobe_inplace(unsigned char[:, :, :] rgb_array, str ref=*)
+cdef void rgb2adobe_inplace_c(unsigned char[:, :, :] rgb_array, str ref=*)
+
+cpdef void adobe2rgb_inplace(unsigned char [:, :, :] adobe98_array, str ref=*)
+cdef void adobe2rgb_inplace_c(unsigned char [:, :, :] adobe98_array, str ref=*)
+
+cpdef rgb2xyz(unsigned char[:, :, :] rgb_array, str ref=*)
+cdef rgb2xyz_c(unsigned char[:, :, :] rgb_array, str ref=*)