pdfminer.six/pdfminer/pdfcolor.py

37 lines
802 B
Python

import collections
from .psparser import LIT
import six #Python 2+3 compatibility
## PDFColorSpace
##
LITERAL_DEVICE_GRAY = LIT('DeviceGray')
LITERAL_DEVICE_RGB = LIT('DeviceRGB')
LITERAL_DEVICE_CMYK = LIT('DeviceCMYK')
class PDFColorSpace(object):
def __init__(self, name, ncomponents):
self.name = name
self.ncomponents = ncomponents
return
def __repr__(self):
return '<PDFColorSpace: %s, ncomponents=%d>' % (self.name, self.ncomponents)
PREDEFINED_COLORSPACE = collections.OrderedDict()
for (name, n) in [
('CalRGB', 3),
('CalGray', 1),
('Lab', 3),
('DeviceRGB', 3),
('DeviceCMYK', 4),
('DeviceGray', 1),
('Separation', 1),
('Indexed', 1),
('Pattern', 1),
]:
PREDEFINED_COLORSPACE[name]=PDFColorSpace(name, n)