def __init__(self, data, bHdr): self.pos = bHdr.blockPos + 4 self.key = data[bHdr.blockPos:self.pos] self.subName = data[self.pos:self.pos + 2] self.subKey, self.pos = getShort(data, self.pos + 2) self.size, self.pos = getInt(data, self.pos) self.version, self.pos = getInt(data, self.pos)
def getChunks(self, data, level, containerReader, primitiveReader):
chunks = []
offset = 0
if (level == 0):
t, o = getShort(data, 0)
l, o = getInt(data, o)
if (t == 0x8B1F):
t, o = getInt(data, o)
if (t == 0x0B000000):
data = zlib.decompress(data, zlib.MAX_WBITS | 32)
if (level == 0):
progressbar = FreeCAD.Base.ProgressIndicator()
progressbar.start(" reading '%s'..." % self.name, len(data))
while offset < len(data):
old = offset
offset, chunk = self.getNextChunk(data, offset, level, len(chunks),
containerReader, primitiveReader)
if (level == 0):
for i in range(offset - old):
progressbar.next()
chunks.append(chunk)
if (level == 0): progressbar.stop()
return chunks
def calcPointNi3s(chunk):
data = chunk.data
cnt, o = getInt(data, 0)
list = []
try:
while (o < len(data)):
p = PointNi3s()
l, o = getInt(data, o)
p.points, o = getInts(data, o, l)
p.flags, o = getShort(data, o)
if ((p.flags & 0x01) != 0): p.f1, o = getInt(data, o)
if ((p.flags & 0x08) != 0): p.fH, o = getShort(data, o)
if ((p.flags & 0x10) != 0): p.f2, o = getInt(data, o)
if ((p.flags & 0x20) != 0): p.fA, o = getInts(data, o, 2 * (l - 3))
if (len(p.points) > 0):
list.append(p)
except Exception as e:
FreeCAD.Console.PrintError(traceback.format_exc())
FreeCAD.Console.PrintError('\n')
FreeCAD.Console.PrintError("%s: o = %d\n" % (e, o))
raise e
return list
def readGsmBlockHeader(data, pos):
bHdr = GsmBlockHeader()
ofs = pos + 4
bHdr.key = data[pos:ofs].decode('utf8')
bHdr.blockPos, ofs = getInt(data, ofs)
bHdr.blockLength, ofs = getInt(data, ofs)
bHdr.flags, ofs = getInt(data, ofs)
return bHdr, pos + bHdr.length
def calcCoordinates(data):
l, o = getInt(data, 0)
cnt = len(data) / 16
p = numpy.zeros((cnt, 3), numpy.float32)
i = 0
while (o < len(data)):
w, o = getInt(data, o)
f, o = getFloats(data, o, 3)
p[i, ] = f
i += 1
return p
def setLStr16(self, data):
try:
l, o = getInt(data, 0)
self.data = data[o:o + l * 2].decode('utf-16-le')
if (self.data[-1] == b'\0'): self.data = self.data[0:-1]
self.format = "LStr16"
self.unknown = False
except:
self.data = data
def getArrayPoint3f(values):
v = []
if len(values) >= 4:
count, offset = getInt(values, 0)
while (count > 0):
floats, offset = getFloats(values, offset, 3)
v.append(floats)
count -= 1
return v
def getNGonsInts(chunk):
o = 0
list = []
data = chunk.data
while (o < len(data)):
cnt, o = getInt(data, o)
points, o = getInts(data, o, cnt)
list.append(points)
return list
def getNGons5i(data):
count, o = getInt(data, 0)
ngons = []
while count > 0:
p, o = getInts(data, o, 3)
o += 8
ngons.append(p)
count -= 1
return ngons
def getNGons6i(data):
cnt, o = getInt(data, 0)
list = []
while (o < len(data)):
l, o = getInts(data, o, 6)
i = 5
while ((i > 3) and (l[i] < 0)):
i -= 1
if (i > 2): list.append(l[1:i])
return list
def getNodeParent(node):
parent = None
if (node):
chunk = node.getFirst(0x0960)
if (chunk is not None):
idx, offset = getInt(chunk.data, 0)
parent = getNode(idx)
if (parent is None):
FreeCAD.Console.PrintError("parent index %X < %X!\n" %
(idx, len(SCENE_LIST)))
return parent
def readGsmHeader(data): header = GsmHeader() header.blockCount, pos = getInt(data, 0x24) return header, header.length
