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ereader writer changes

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This commit is contained in:
John Schember 2009-04-25 19:57:21 -04:00
parent 7ce53a941e
commit 1daf7bd86a
2 changed files with 29 additions and 12 deletions
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7
src/calibre/ebooks/conversion/preprocess.py
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@ -26,17 +26,10 @@ def sanitize_head(match):
def chap_head(match):
chap = match.group('chap')
title = match.group('title')
<<<<<<< TREE
if not title:
return '<h1>'+chap+'</h1><br/>\n'
else:
return '<h1>'+chap+'<br/>\n'+title+'</h1><br/>\n'
=======
if not title:
return '<h1>'+chap+'</h1><br/>'
else:
return '<h1>'+chap+'<br/>'+title+'</h1><br/>'
>>>>>>> MERGE-SOURCE
def wrap_lines(match):
ital = match.group('ital')

34
src/calibre/ebooks/pdb/ereader/writer.py
View File

@ -6,6 +6,8 @@ Write content to ereader pdb file.
import struct, zlib
import Image, cStringIO
from calibre.ebooks.oeb.base import OEB_IMAGES
from calibre.ebooks.pdb.header import PdbHeaderBuilder
from calibre.ebooks.pdb.ereader import image_name
@ -52,14 +54,22 @@ class Writer(object):
image += image_name(item.href)
image = image.ljust(62, '\x00')
image += item.data
images.append(image)
im = Image.open(cStringIO.StringIO(item.data))
data = cStringIO.StringIO()
im.save(data, 'PNG')
data = data.getvalue()
image += data
if len(image) < 65505:
images.append(image)
return images
def _metadata(self, metadata):
return ''
return '\x00\x00\x00\x00\x00'
def _header_record(self, text_items, image_items):
'''
@ -72,22 +82,36 @@ class Writer(object):
if image_items > 0:
image_data_offset = text_items + 1
meta_data_offset = image_data_offset + image_items
last_data_offset = meta_data_offset + 1
else:
meta_data_offset = text_items + 1
image_data_offset = meta_data_offset
last_data_offset = meta_data_offset + 1
image_data_offset = last_data_offset
record = u''
# Version
record += struct.pack('>H', version)
record = record.ljust(12, '\x00')
# Non-text offset, everything between record 0 and non_text_offset is text pages
record += struct.pack('>H', non_text_offset)
record = record.ljust(28, '\x00')
# Footnote and Sidebar rec
record += struct.pack('>H', 0)
record += struct.pack('>H', 0)
record += struct.pack('>H', last_data_offset)
record = record.ljust(40, '\x00')
# image pages
record += struct.pack('>H', image_data_offset)
record = record.ljust(44, '\x00')
# metadata string
record += struct.pack('>H', meta_data_offset)
record = record.ljust(48, '\x00')
# footnote and sidebar offsets
record += struct.pack('>H', last_data_offset)
record += struct.pack('>H', last_data_offset)
record = record.ljust(52, '\x00')
record += struct.pack('>H', meta_data_offset)
record += struct.pack('>H', last_data_offset)
return record