## ColorSpace
##
class ColorSpace:
def __init__(self, name, ncomponents):
self.name = name
self.ncomponents = ncomponents
return
def __repr__(self):
return "<ColorSpace: %s, ncomponents=%d>" % (self.name, self.ncomponents)
## Constants
##
LITERAL_PDF = PSLiteralTable.intern("PDF")
LITERAL_TEXT = PSLiteralTable.intern("Text")
LITERAL_FONT = PSLiteralTable.intern("Font")
LITERAL_FORM = PSLiteralTable.intern("Form")
LITERAL_IMAGE = PSLiteralTable.intern("Image")
LITERAL_STANDARD_ENCODING = PSLiteralTable.intern("StandardEncoding")
LITERAL_DEVICE_GRAY = PSLiteralTable.intern("DeviceGray")
LITERAL_DEVICE_RGB = PSLiteralTable.intern("DeviceRGB")
LITERAL_DEVICE_CMYK = PSLiteralTable.intern("DeviceCMYK")
KEYWORD_BI = PSKeywordTable.intern("BI")
KEYWORD_ID = PSKeywordTable.intern("ID")
KEYWORD_EI = PSKeywordTable.intern("EI")
MATRIX_IDENTITY = (1, 0, 0, 1, 0, 0)
PREDEFINED_COLORSPACE = dict(
(name, ColorSpace(name, n))
from cmap import CMap, CMapDB, CMapParser, FontMetricsDB, EncodingDB
from utils import apply_matrix_norm
## Fonts
##
class PDFFontError(PDFException):
pass
class PDFUnicodeNotDefined(PDFFontError):
pass
LITERAL_STANDARD_ENCODING = PSLiteralTable.intern('StandardEncoding')
# PDFFont
class PDFFont(object):
def __init__(self, descriptor, widths, default_width=None):
self.descriptor = descriptor
self.widths = widths
self.fontname = descriptor.get('FontName', 'unknown')
if isinstance(self.fontname, PSLiteral):
self.fontname = literal_name(self.fontname)
self.ascent = num_value(descriptor.get('Ascent', 0))
self.descent = num_value(descriptor.get('Descent', 0))
self.default_width = default_width or descriptor.get('MissingWidth', 0)
self.leading = num_value(descriptor.get('Leading', 0))
self.bbox = list_value(descriptor.get('FontBBox', (0, 0, 0, 0)))
#!/usr/bin/env python
import sys
stderr = sys.stderr
#from pdflib.psparser import PSLiteralTable
from psparser import PSLiteralTable
## ColorSpace
##
LITERAL_DEVICE_GRAY = PSLiteralTable.intern('DeviceGray')
LITERAL_DEVICE_RGB = PSLiteralTable.intern('DeviceRGB')
LITERAL_DEVICE_CMYK = PSLiteralTable.intern('DeviceCMYK')
class ColorSpace(object):
def __init__(self, name, ncomponents):
self.name = name
self.ncomponents = ncomponents
return
def __repr__(self):
return '<ColorSpace: %s, ncomponents=%d>' % (self.name, self.ncomponents)
PREDEFINED_COLORSPACE = dict(
(name, ColorSpace(name,n)) for (name,n) in {
'CalRGB': 3,
'CalGray': 1,
'Lab': 3,
'DeviceRGB': 3,
'DeviceCMYK': 4,
PSStackParser, STRICT
## PDF Exceptions
##
class PDFException(PSException): pass
class PDFSyntaxError(PDFException): pass
class PDFEncryptionError(PDFException): pass
class PDFPasswordIncorrect(PDFEncryptionError): pass
class PDFTypeError(PDFException): pass
class PDFValueError(PDFException): pass
class PDFNotImplementedError(PSException): pass
# some predefined literals and keywords.
LITERAL_OBJSTM = PSLiteralTable.intern('ObjStm')
LITERAL_XREF = PSLiteralTable.intern('XRef')
LITERAL_PAGE = PSLiteralTable.intern('Page')
LITERAL_PAGES = PSLiteralTable.intern('Pages')
LITERAL_CATALOG = PSLiteralTable.intern('Catalog')
LITERAL_CRYPT = PSLiteralTable.intern('Crypt')
LITERAL_FLATE_DECODE = PSLiteralTable.intern('FlateDecode')
LITERAL_LZW_DECODE = PSLiteralTable.intern('LZWDecode')
KEYWORD_R = PSKeywordTable.intern('R')
KEYWORD_OBJ = PSKeywordTable.intern('obj')
KEYWORD_ENDOBJ = PSKeywordTable.intern('endobj')
KEYWORD_STREAM = PSKeywordTable.intern('stream')
KEYWORD_XREF = PSKeywordTable.intern('xref')
KEYWORD_TRAILER = PSKeywordTable.intern('trailer')
KEYWORD_STARTXREF = PSKeywordTable.intern('startxref')
PASSWORD_PADDING = '(\xbfN^Nu\x8aAd\x00NV\xff\xfa\x01\x08..\x00\xb6\xd0h>\x80/\x0c\xa9\xfedSiz'
#!/usr/bin/env python
import sys, zlib
stderr = sys.stderr
#from pdflib.lzw import LZWDecoder
from lzw import LZWDecoder
#from pdflib.psparser import PSException, PSObject, \
from psparser import PSException, PSObject, \
PSLiteral, PSKeyword, PSLiteralTable, PSKeywordTable, \
literal_name, keyword_name, STRICT
LITERAL_CRYPT = PSLiteralTable.intern('Crypt')
LITERALS_FLATE_DECODE = (PSLiteralTable.intern('FlateDecode'), PSLiteralTable.intern('Fl'))
LITERALS_LZW_DECODE = (PSLiteralTable.intern('LZWDecode'), PSLiteralTable.intern('LZW'))
LITERALS_ASCII85_DECODE = (PSLiteralTable.intern('ASCII85Decode'), PSLiteralTable.intern('A85'))
## PDF Objects
##
class PDFObject(PSObject): pass
class PDFException(PSException): pass
class PDFTypeError(PDFException): pass
class PDFValueError(PDFException): pass
class PDFNotImplementedError(PSException): pass
## PDFObjRef
##
class PDFObjRef(PDFObject):
def __init__(self, doc, objid, _):
from cmap import CMapDB
## Exceptions
##
class PDFResourceError(PDFException):
pass
class PDFInterpreterError(PDFException):
pass
## Constants
##
LITERAL_PDF = PSLiteralTable.intern('PDF')
LITERAL_TEXT = PSLiteralTable.intern('Text')
LITERAL_FONT = PSLiteralTable.intern('Font')
LITERAL_FORM = PSLiteralTable.intern('Form')
LITERAL_IMAGE = PSLiteralTable.intern('Image')
## Resource Manager
##
class PDFResourceManager(object):
'''
ResourceManager facilitates reuse of shared resources
such as fonts and images so that large objects are not
allocated multiple times.
'''
debug = 0
#from pdflib.pdftypes import PDFException, \
from pdftypes import PDFException, \
resolve1, int_value, float_value, num_value, \
str_value, list_value, dict_value, stream_value
#from pdflib.cmap import CMap, CMapDB, CMapParser, FontMetricsDB, EncodingDB
from cmap import CMap, CMapDB, CMapParser, FontMetricsDB, EncodingDB
from utils import apply_matrix_norm
## Fonts
##
class PDFFontError(PDFException): pass
class PDFUnicodeNotDefined(PDFFontError): pass
LITERAL_STANDARD_ENCODING = PSLiteralTable.intern('StandardEncoding')
# PDFFont
class PDFFont(object):
def __init__(self, descriptor, widths, default_width=None):
self.descriptor = descriptor
self.widths = widths
self.fontname = descriptor.get('FontName', 'unknown')
if isinstance(self.fontname, PSLiteral):
self.fontname = literal_name(self.fontname)
self.ascent = num_value(descriptor.get('Ascent', 0))
self.descent = num_value(descriptor.get('Descent', 0))
self.default_width = default_width or descriptor.get('MissingWidth', 0)
self.leading = num_value(descriptor.get('Leading', 0))
STRICT
#from pdflib.pdftypes import PDFException, PDFTypeError, PDFNotImplementedError, \
from pdftypes import PDFException, PDFTypeError, PDFNotImplementedError, \
PDFStream, PDFObjRef, resolve1, decipher_all, \
int_value, float_value, num_value, str_value, list_value, dict_value, stream_value
## Exceptions
##
class PDFSyntaxError(PDFException): pass
class PDFNoValidXRef(PDFSyntaxError): pass
class PDFEncryptionError(PDFException): pass
class PDFPasswordIncorrect(PDFEncryptionError): pass
# some predefined literals and keywords.
LITERAL_OBJSTM = PSLiteralTable.intern('ObjStm')
LITERAL_XREF = PSLiteralTable.intern('XRef')
LITERAL_PAGE = PSLiteralTable.intern('Page')
LITERAL_PAGES = PSLiteralTable.intern('Pages')
LITERAL_CATALOG = PSLiteralTable.intern('Catalog')
## XRefs
##
## PDFXRef
##
class PDFXRef(object):
def __init__(self):
self.offsets = None
from cmap import CMapDB
## Exceptions
##
class PDFResourceError(PDFException):
pass
class PDFInterpreterError(PDFException):
pass
## Constants
##
LITERAL_PDF = PSLiteralTable.intern("PDF")
LITERAL_TEXT = PSLiteralTable.intern("Text")
LITERAL_FONT = PSLiteralTable.intern("Font")
LITERAL_FORM = PSLiteralTable.intern("Form")
LITERAL_IMAGE = PSLiteralTable.intern("Image")
## Resource Manager
##
class PDFResourceManager(object):
"""
ResourceManager facilitates reuse of shared resources
such as fonts and images so that large objects are not
allocated multiple times.
"""
