def update(self):
rifx = self.config.rifx
self.chunk = self.data['identifier'] + 4 * '\x00'
sz = len(self.data['records'])
self.chunk += '\x01\x00\x18\x00'
self.chunk += utils.py_int2word(sz, rifx)
for rec_id, offset in self.data['records']:
self.chunk += utils.py_int2word(rec_id, rifx)
self.chunk += utils.py_int2dword(offset, rifx)
CmxRiffElement.update(self)
def update(self):
rifx = self.config.rifx
self.chunk = self.data['identifier'] + 4 * '\x00'
sz = len(self.data['layers'])
self.chunk += utils.py_int2word(sz, rifx)
self.chunk += utils.py_int2word(self.data['page'], rifx)
for offset, name in self.data['layers']:
self.chunk += utils.py_int2dword(offset, rifx)
self.chunk += utils.py_int2word(len(name), rifx)
self.chunk += name + 4 * '\xff'
CmxRiffElement.update(self)
def update(self):
rifx = self.config.rifx
self.chunk = self.data['identifier'] + 4 * '\x00'
rec_sz = self.data['rec_sz']
rec_sig = 4 * {2: 'H', 4: 'I', 8: 'Q'}.get(rec_sz / 4)
sig = '>' + rec_sig if rifx else '<' + rec_sig
self.chunk += utils.py_int2word(len(self.data['records']), rifx)
if not self.config.v1:
self.chunk += utils.py_int2word(rec_sz, rifx)
for rec in self.data['records']:
self.chunk += struct.pack(sig, *rec)
CmxRiffElement.update(self)
def update_for_save(self): for child in self.childs: child.update_for_save() self.chunk = '' + JCW_ID self.chunk += JCW_VER self.chunk += utils.py_int2word(len(self.childs)) self.chunk += utils.py_int2byte(self.colorspace) self.chunk += utils.py_int2byte(self.namesize)
def update_for_save(self):
for child in self.childs:
child.update_for_save()
self.chunk = JCW_ID
self.chunk += JCW_VER
self.chunk += utils.py_int2word(len(self.childs))
self.chunk += utils.py_int2byte(self.colorspace)
self.chunk += utils.py_int2byte(self.namesize)
def update(self):
rifx = self.config.rifx
self.chunk = self.data['identifier'] + 4 * '\x00'
sz = len(self.data['colors'])
self.chunk += utils.py_int2word(sz, rifx)
for model, palette, vals in self.data['colors']:
self.chunk += utils.py_int2byte(model)
self.chunk += utils.py_int2byte(palette)
for val in vals:
self.chunk += utils.py_int2byte(val)
CmxRiffElement.update(self)
def update_for_save(self):
for child in self.childs:
child.update_for_save()
self.chunk = ''
self.chunk += cpl_const.CPL12
self.chunk += cpl_const.CPL12_NHEADERS
size = len(self.name) * 2
pos = [30, 31 + size, 31 + size + 2]
for i in range(3):
self.chunk += utils.py_int2dword(i) + utils.py_int2dword(pos[i])
self.chunk += utils.py_int2byte(len(self.name))
self.chunk += self.name.encode('utf_16_le')
self.chunk += cpl_const.CPL12_PALTYPE
self.chunk += utils.py_int2word(len(self.childs))
def update_for_save(self):
for child in self.childs:
child.update_for_save()
self.chunk = ''
self.chunk += cpl_const.CPL12
self.chunk += cpl_const.CPL12_NHEADERS
size = len(self.name) * 2
pos = [30, 31 + size, 31 + size + 2]
for i in range(3):
self.chunk += utils.py_int2dword(i) + utils.py_int2dword(pos[i])
self.chunk += utils.py_int2byte(len(self.name))
self.chunk += self.name.encode('utf_16_le')
self.chunk += cpl_const.CPL12_PALTYPE
self.chunk += utils.py_int2word(len(self.childs))
def builder(element_id, **kwargs):
elf = cgm_model.element_factory
header = params = ''
if element_id == cgm_const.BEGIN_METAFILE:
txt = kwargs.get('txt', 'Computer Graphics Metafile')
params = utils.py_int2byte(len(txt)) + txt
header = utils.py_int2word(0x0020 + len(params), True)
elif element_id == cgm_const.END_METAFILE:
header = '\x00\x40'
elif element_id == cgm_const.METAFILE_VERSION:
version = kwargs.get('version', 1)
params = utils.py_int2word(version, True)
header = '\x10\x22'
elif element_id == cgm_const.METAFILE_DESCRIPTION:
txt = kwargs.get('description', 'Created by UniConvertor')
params = utils.py_int2byte(len(txt)) + txt
header = '\x10\x5f' + utils.py_int2word(len(params), True)
elif element_id == cgm_const.METAFILE_ELEMENT_LIST:
header = '\x11\x66'
params = '\x00\x01\xff\xff\x00\x01'
elif element_id == cgm_const.VDC_TYPE:
header = '\x10\x62'
params = '\x00\x00'
elif element_id == cgm_const.INTEGER_PRECISION:
header = '\x10\x82'
params = '\x00\x10'
elif element_id == cgm_const.REAL_PRECISION:
header = '\x10\xa6'
params = '\x00\x00\x00\x09\x00\x17'
elif element_id == cgm_const.INDEX_PRECISION:
header = '\x10\xc2'
params = '\x00\x08'
elif element_id == cgm_const.COLOUR_PRECISION:
header = '\x10\xe2'
params = '\x00\x08'
elif element_id == cgm_const.COLOUR_INDEX_PRECISION:
header = '\x11\x02'
params = '\x00\x08'
# Page elements
elif element_id == cgm_const.BEGIN_PICTURE:
page_number = kwargs.get('page_number', 1)
txt = 'Page %d' % page_number
params = utils.py_int2byte(len(txt)) + txt
header = '\x00' + utils.py_int2byte(len(params) + 0x60)
elif element_id == cgm_const.BEGIN_PICTURE_BODY:
header = '\x00\x80'
elif element_id == cgm_const.END_PICTURE:
header = '\x00\xa0'
elif element_id == cgm_const.SCALING_MODE:
header = '\x20\x26'
params = '\x00\x01' + '\x3c\xd0\x13\xa9'
elif element_id == cgm_const.COLOUR_SELECTION_MODE:
header = '\x20\x42'
params = '\x00\x01'
elif element_id == cgm_const.LINE_WIDTH_SPECIFICATION_MODE:
header = '\x20\x62'
params = '\x00\x01'
elif element_id == cgm_const.EDGE_WIDTH_SPECIFICATION_MODE:
header = '\x20\xa2'
params = '\x00\x01'
elif element_id == cgm_const.VDC_EXTENT:
bbox = kwargs.get('bbox', (0.0, 0.0, 1.0, 1.0))
header = '\x20\xc8'
params = ''.join([cgm_unit(val) for val in bbox])
# Polyline
elif element_id == cgm_const.LINE_WIDTH:
header = '\x50\x64'
val = kwargs.get('width', 2.5)
params = utils.py_float2float(val, True)
elif element_id == cgm_const.LINE_TYPE:
header = '\x50\x42'
dashes = tuple(kwargs.get('dashes', []))
index = 0
if dashes:
index = cgm_const.LINE_DASHTABLE.index(dashes) + 1 \
if dashes in cgm_const.LINE_DASHTABLE else 2
params = utils.py_int2word(index, True)
elif element_id == cgm_const.LINE_COLOUR:
header = '\x50\x83'
color = kwargs.get('color', (0, 0, 0))
params = ''.join([utils.py_int2byte(item) for item in color])
elif element_id == cgm_const.POLYLINE:
points = kwargs.get('points', [(0, 0), (1, 1)])
params = ''.join([cgm_unit(x) + cgm_unit(y) for x, y in points])
header = '\x40\x3f' + utils.py_int2word(len(params), True)
# Polygon
elif element_id == cgm_const.INTERIOR_STYLE:
empty = kwargs.get('empty', False)
header = '\x52\xc2'
params = '\x00\x00' if empty else '\x00\x01'
elif element_id == cgm_const.FILL_COLOUR:
header = '\x52\xe3'
color = kwargs.get('color', (0, 0, 0))
params = ''.join([utils.py_int2byte(item) for item in color])
elif element_id == cgm_const.EDGE_VISIBILITY:
header = '\x53\xc2'
visible = kwargs.get('visible', True)
params = '\x00\x01' if visible else '\x00\x00'
elif element_id == cgm_const.EDGE_COLOUR:
header = '\x52\xa3'
color = kwargs.get('color', (0, 0, 0))
params = ''.join([utils.py_int2byte(item) for item in color])
elif element_id == cgm_const.EDGE_WIDTH:
header = '\x53\x84'
val = kwargs.get('width', 2.5)
params = utils.py_float2float(val, True)
elif element_id == cgm_const.EDGE_TYPE:
header = '\x53\x61'
dashes = tuple(kwargs.get('dashes', []))
index = 0
if dashes:
index = cgm_const.LINE_DASHTABLE.index(dashes) + 1 \
if dashes in cgm_const.LINE_DASHTABLE else 2
params = utils.py_int2word(index, True)
elif element_id == cgm_const.POLYGON:
points = kwargs.get('points')
if points:
params = ''.join([cgm_unit(x) + cgm_unit(y) for x, y in points])
header = '\x40\xff' + utils.py_int2word(len(params), True)
elif element_id == cgm_const.POLYGON_SET:
polygons = kwargs.get('polygons')
params = ''
for points in polygons:
if points:
end = '\x00\x03'
if not points[0] == points[-1]:
points += [points[0]]
end = '\x00\x02'
params += '\x00\x01'.join(
[cgm_unit(x) + cgm_unit(y) for x, y in points]) + end
header = '\x41\x1f' + utils.py_int2word(len(params), True)
if header:
return elf(header, params)
def update_for_save(self):
self.chunk = utils.py_int2word(self.colorspace)
self.chunk += self.valbytes
self.chunk += utils.py_int2byte(len(self.name))
self.chunk += self.name.encode('utf_16_le')
def update(self):
size = self.get_chunk_size()
sz = utils.py_int2word(size, self.config.rifx)
self.chunk = sz + self._get_code_str() + self.chunk[4:]
def _get_code_str(self):
return utils.py_int2word(self.data['code'], self.config.rifx)
def update_for_save(self):
self.chunk = utils.py_int2word(self.colorspace)
self.chunk += self.valbytes
self.chunk += utils.py_int2byte(len(self.name))
self.chunk += self.name.encode('utf_16_le')
def update(self):
if self.is_padding():
self.chunk += '\x00'
size = len(self.chunk)
sz = utils.py_int2word(size, self.config.rifx)
self.chunk = sz + self._get_code_str() + self.chunk[4:]
