# RGBA color search with Cython
## pip install cythonrgbasearch
### Tested against Windows / Python 3.11 / Anaconda
## Cython (and a C/C++ compiler) must be installed
```python
from cythonrgbasearch import find_rgba_colors, find_rgb_colors
import cv2
import numpy as np
data = cv2.imread(r"C:\Users\hansc\Downloads\pexels-alex-andrews-2295744.jpg")
# 4525 x 6623 x 3 picture https://www.pexels.com/pt-br/foto/foto-da-raposa-sentada-no-chao-2295744/
data = np.ascontiguousarray(np.dstack([data, np.full(data.shape[:2], 0, dtype=np.uint8)]))
colors1 = np.array(
[(66, 71, 69), (62, 67, 65), (144, 155, 153), (52, 57, 55), (127, 138, 136), (53, 58, 56), (51, 56, 54),
(32, 27, 18), (24, 17, 8), ], dtype=np.uint8)
colors1 = np.array([list((x.tolist())) + [0] for x in colors1], dtype=np.uint8)
ocol = np.array([[255, 255, 255, 0]], dtype=np.uint8)
r1 = find_rgba_colors(pic=data, colors=colors1, dummy_alpha=0)
r2 = find_rgba_colors(pic=data, colors=ocol, dummy_alpha=0)
r3 = find_rgb_colors(pic=data, colors=colors1)
r4 = find_rgb_colors(pic=data, colors=ocol)
# r1
# Out[4]:
# rec.array([(136, 138, 127, 0, 0, 38), ( 69, 71, 66, 0, 0, 4522),
# ( 65, 67, 62, 0, 0, 4523), ...,
# ( 8, 17, 24, 0, 4524, 6620), ( 8, 17, 24, 0, 4524, 6621),
# ( 8, 17, 24, 0, 4524, 6622)],
# dtype=[('r', 'u1'), ('g', 'u1'), ('b', 'u1'), ('a', 'u1'), ('x', '<i8'), ('y', '<i8')])
# r2
# Out[5]:
# rec.array([(255, 255, 255, 0, 568, 5021), (255, 255, 255, 0, 586, 3064),
# (255, 255, 255, 0, 612, 2812), ...,
# (255, 255, 255, 0, 3752, 805), (255, 255, 255, 0, 3752, 806),
# (255, 255, 255, 0, 3775, 1291)],
# dtype=[('r', 'u1'), ('g', 'u1'), ('b', 'u1'), ('a', 'u1'), ('x', '<i8'), ('y', '<i8')])
# r3
# Out[6]:
# rec.array([(136, 138, 127, 0, 38), ( 69, 71, 66, 0, 4522),
# ( 65, 67, 62, 0, 4523), ..., ( 8, 17, 24, 4524, 6620),
# ( 8, 17, 24, 4524, 6621), ( 8, 17, 24, 4524, 6622)],
# dtype=[('r', 'u1'), ('g', 'u1'), ('b', 'u1'), ('x', '<i8'), ('y', '<i8')])
# r4
# Out[7]:
# rec.array([(255, 255, 255, 568, 5021), (255, 255, 255, 586, 3064),
# (255, 255, 255, 612, 2812), ..., (255, 255, 255, 3752, 805),
# (255, 255, 255, 3752, 806), (255, 255, 255, 3775, 1291)],
# dtype=[('r', 'u1'), ('g', 'u1'), ('b', 'u1'), ('x', '<i8'), ('y', '<i8')])
```
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