def index_ixtl(self, ixlrs):
kwargs = {'table_id': 3, 'rec_sz': 4, 'records': []}
ixlrs = [] + ixlrs
ixlrs.reverse()
for item in ixlrs:
kwargs['records'].append(item.get_offset())
indx = self.cmx_model.chunk_map['indx']
ixtl = cmx_model.make_cmx_chunk(self.cmx_cfg,
identifier=cmx_const.IXTL_ID,
**kwargs)
indx.add(ixtl)
return ixtl
def parse(self, chunk_size):
position = self.fileptr.tell()
while self.fileptr.tell() - position < chunk_size:
dwords, size = self.read_header()
if not dwords[2]:
dwords.append(self.fileptr.read(size))
node = cmx_model.make_cmx_chunk(self.config, ''.join(dwords))
self.parent_stack[-1].add(node)
if dwords[2]:
self.parent_stack.append(node)
self.parse(size)
self.parent_stack = self.parent_stack[:-1]
def index_ixpg(self, ixlrs):
kwargs = {'rec_sz': 16, 'records': []}
cmx_pages = self.cmx_model.chunk_map['pages']
index = 0
for page in cmx_pages:
page_offset = page[0].get_offset()
ixl_offset = ixlrs[index].get_offset()
thmb_offset = 0xffffffff
ref_offset = page[1].get_offset()
kwargs['records'].append(
(page_offset, ixl_offset, thmb_offset, ref_offset))
indx = self.cmx_model.chunk_map['indx']
ixpg = cmx_model.make_cmx_chunk(self.cmx_cfg,
identifier=cmx_const.IXPG_ID,
**kwargs)
indx.add(ixpg)
return ixpg
def parse(self, chunk_size):
position = self.fileptr.tell()
while self.fileptr.tell() - position < chunk_size:
offset = self.fileptr.tell()
dwords, size = self.read_header()
if not dwords[2]:
dwords.append(self.fileptr.read(size))
chunk = ''.join(dwords)
node = cmx_model.make_cmx_chunk(self.config, chunk, offset=offset)
self.parent_stack[-1].add(node)
if dwords[2]:
self.parent_stack.append(node)
self.parse(size)
self.parent_stack = self.parent_stack[:-1]
if dwords[2] == cmx_const.INFO_ID:
break
def index_ixlr(self):
index = 1
ixlrs = []
cmx_pages = self.cmx_model.chunk_map['pages']
indx = self.cmx_model.chunk_map['indx']
for item in cmx_pages:
kwargs = {'page': index, 'layers': []}
recs = kwargs['layers']
page = item[0]
for layer in page.childs[0].childs:
if not layer.is_layer:
continue
recs.append((layer.get_offset(), layer.data['layer_name']))
ixlr = cmx_model.make_cmx_chunk(self.cmx_cfg,
identifier=cmx_const.IXLR_ID,
**kwargs)
ixlrs.append(ixlr)
indx.add(ixlr)
index += 1
return ixlrs
def make_el(self, cmx_id, **kwargs):
kwargs['identifier'] = cmx_id
return cmx_model.make_cmx_chunk(self.cmx_cfg, **kwargs)
def index_ixmr(self, ixpg, ixtl):
kwargs = {'records': []}
recs = kwargs['records']
# Master Index Table
offset = ixpg.get_offset() + ixpg.get_chunk_size()
recs.append((cmx_const.MASTER_INDEX_TABLE, offset))
# Page Index Table
offset = ixpg.get_offset()
recs.append((cmx_const.PAGE_INDEX_TABLE, offset))
# Master Layer Table
offset = ixtl.get_offset()
recs.append((cmx_const.MASTER_LAYER_TABLE, offset))
# Outline Description Section
if 'rotl' in self.cmx_model.chunk_map:
offset = self.cmx_model.chunk_map['rotl'].get_offset()
recs.append((cmx_const.OUTLINE_DESCRIPTION_SECTION, offset))
# Line Style Description Section
if 'rott' in self.cmx_model.chunk_map:
offset = self.cmx_model.chunk_map['rott'].get_offset()
recs.append((cmx_const.LINE_STYLE_DESCRIPTION_SECTION, offset))
# Arrowheads Description Section
if 'rota' in self.cmx_model.chunk_map:
offset = self.cmx_model.chunk_map['rota'].get_offset()
recs.append((cmx_const.ARROWHEADS_DESCRIPTION_SECTION, offset))
# Screen Description Section
if 'rscr' in self.cmx_model.chunk_map:
offset = self.cmx_model.chunk_map['rscr'].get_offset()
recs.append((cmx_const.SCREEN_DESCRIPTION_SECTION, offset))
# Pen Description Section
if 'rpen' in self.cmx_model.chunk_map:
offset = self.cmx_model.chunk_map['rpen'].get_offset()
recs.append((cmx_const.PEN_DESCRIPTION_SECTION, offset))
# Dot-Dash Description Section
if 'rdot' in self.cmx_model.chunk_map:
offset = self.cmx_model.chunk_map['rdot'].get_offset()
recs.append((cmx_const.DOTDASH_DESCRIPTION_SECTION, offset))
# Color Description Section
if 'rclr' in self.cmx_model.chunk_map:
offset = self.cmx_model.chunk_map['rclr'].get_offset()
recs.append((cmx_const.COLOR_DESCRIPTION_SECTION, offset))
# Color Correction Section
if 'ccmm' in self.cmx_model.chunk_map:
offset = self.cmx_model.chunk_map['ccmm'].get_offset()
recs.append((cmx_const.COLOR_CORRECTION_SECTION, offset))
indx = self.cmx_model.chunk_map['indx']
ixmr = cmx_model.make_cmx_chunk(self.cmx_cfg,
identifier=cmx_const.IXMR_ID,
**kwargs)
indx.add(ixmr)
self.cmx_model.do_update()
cont = self.cmx_model.chunk_map['cont']
offset = ixpg.get_offset() + ixpg.get_chunk_size()
cont.data['IndexSection'] = offset
cont.data['InfoSection'] = offset + ixmr.get_chunk_size()
if 'DISP' in self.cmx_model.chunk_map:
offset = self.cmx_model.chunk_map['DISP'].get_offset()
cont.data['Thumbnail'] = offset