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Added ignore_white parameter to specify if white or nearly white pixe… #30

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Added ignore_white parameter to specify if white or nearly white pixe… #30

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5 changes: 3 additions & 2 deletions colorthief.py
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Original file line number Diff line number Diff line change
Expand Up @@ -50,14 +50,15 @@ def get_color(self, quality=10):
palette = self.get_palette(5, quality)
return palette[0]

def get_palette(self, color_count=10, quality=10):
def get_palette(self, color_count=10, quality=10, ignore_white=True):
"""Build a color palette. We are using the median cut algorithm to
cluster similar colors.

:param color_count: the size of the palette, max number of colors
:param quality: quality settings, 1 is the highest quality, the bigger
the number, the faster the palette generation, but the
greater the likelihood that colors will be missed.
:param ignore_white: if white or nearly white pixels should be ignored.
:return list: a list of tuple in the form (r, g, b)
"""
image = self.image.convert('RGBA')
Expand All @@ -69,7 +70,7 @@ def get_palette(self, color_count=10, quality=10):
r, g, b, a = pixels[i]
# If pixel is mostly opaque and not white
if a >= 125:
if not (r > 250 and g > 250 and b > 250):
if not ignore_white or not (r > 250 and g > 250 and b > 250):
valid_pixels.append((r, g, b))

# Send array to quantize function which clusters values
Expand Down