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# This is a generated file! Please edit source .ksy file and use kaitai-struct-compiler to rebuild
from pkg_resources import parse_version
from .kaitaistruct import __version__ as ks_version, KaitaiStruct, KaitaiStream, BytesIO
from enum import Enum
import collections
if parse_version(ks_version) < parse_version('0.7'):
raise Exception("Incompatible Kaitai Struct Python API: 0.7 or later is required, but you have %s" % (ks_version))
class Bmp(KaitaiStruct):
class Compressions(Enum):
rgb = 0
rle8 = 1
rle4 = 2
bitfields = 3
jpeg = 4
png = 5
cmyk = 11
cmyk_rle8 = 12
cmyk_rle4 = 13
SEQ_FIELDS = ["file_hdr", "len_dib_header", "dib_header"]
def __init__(self, _io, _parent=None, _root=None):
self._io = _io
self._parent = _parent
self._root = _root if _root else self
self._debug = collections.defaultdict(dict)
def _read(self):
self._debug['file_hdr']['start'] = self._io.pos()
self.file_hdr = self._root.FileHeader(self._io, self, self._root)
self.file_hdr._read()
self._debug['file_hdr']['end'] = self._io.pos()
self._debug['len_dib_header']['start'] = self._io.pos()
self.len_dib_header = self._io.read_s4le()
self._debug['len_dib_header']['end'] = self._io.pos()
self._debug['dib_header']['start'] = self._io.pos()
_on = self.len_dib_header
if _on == 104:
self._raw_dib_header = self._io.read_bytes((self.len_dib_header - 4))
io = KaitaiStream(BytesIO(self._raw_dib_header))
self.dib_header = self._root.BitmapCoreHeader(io, self, self._root)
self.dib_header._read()
elif _on == 12:
self._raw_dib_header = self._io.read_bytes((self.len_dib_header - 4))
io = KaitaiStream(BytesIO(self._raw_dib_header))
self.dib_header = self._root.BitmapCoreHeader(io, self, self._root)
self.dib_header._read()
elif _on == 40:
self._raw_dib_header = self._io.read_bytes((self.len_dib_header - 4))
io = KaitaiStream(BytesIO(self._raw_dib_header))
self.dib_header = self._root.BitmapInfoHeader(io, self, self._root)
self.dib_header._read()
elif _on == 124:
self._raw_dib_header = self._io.read_bytes((self.len_dib_header - 4))
io = KaitaiStream(BytesIO(self._raw_dib_header))
self.dib_header = self._root.BitmapCoreHeader(io, self, self._root)
self.dib_header._read()
else:
self.dib_header = self._io.read_bytes((self.len_dib_header - 4))
self._debug['dib_header']['end'] = self._io.pos()
class FileHeader(KaitaiStruct):
"""
.. seealso::
Source - https://msdn.microsoft.com/en-us/library/dd183374.aspx
"""
SEQ_FIELDS = ["magic", "len_file", "reserved1", "reserved2", "ofs_bitmap"]
def __init__(self, _io, _parent=None, _root=None):
self._io = _io
self._parent = _parent
self._root = _root if _root else self
self._debug = collections.defaultdict(dict)
def _read(self):
self._debug['magic']['start'] = self._io.pos()
self.magic = self._io.ensure_fixed_contents(b"\x42\x4D")
self._debug['magic']['end'] = self._io.pos()
self._debug['len_file']['start'] = self._io.pos()
self.len_file = self._io.read_u4le()
self._debug['len_file']['end'] = self._io.pos()
self._debug['reserved1']['start'] = self._io.pos()
self.reserved1 = self._io.read_u2le()
self._debug['reserved1']['end'] = self._io.pos()
self._debug['reserved2']['start'] = self._io.pos()
self.reserved2 = self._io.read_u2le()
self._debug['reserved2']['end'] = self._io.pos()
self._debug['ofs_bitmap']['start'] = self._io.pos()
self.ofs_bitmap = self._io.read_s4le()
self._debug['ofs_bitmap']['end'] = self._io.pos()
class BitmapCoreHeader(KaitaiStruct):
"""
.. seealso::
Source - https://msdn.microsoft.com/en-us/library/dd183372.aspx
"""
SEQ_FIELDS = ["image_width", "image_height", "num_planes", "bits_per_pixel"]
def __init__(self, _io, _parent=None, _root=None):
self._io = _io
self._parent = _parent
self._root = _root if _root else self
self._debug = collections.defaultdict(dict)
def _read(self):
self._debug['image_width']['start'] = self._io.pos()
self.image_width = self._io.read_u2le()
self._debug['image_width']['end'] = self._io.pos()
self._debug['image_height']['start'] = self._io.pos()
self.image_height = self._io.read_u2le()
self._debug['image_height']['end'] = self._io.pos()
self._debug['num_planes']['start'] = self._io.pos()
self.num_planes = self._io.read_u2le()
self._debug['num_planes']['end'] = self._io.pos()
self._debug['bits_per_pixel']['start'] = self._io.pos()
self.bits_per_pixel = self._io.read_u2le()
self._debug['bits_per_pixel']['end'] = self._io.pos()
class BitmapInfoHeader(KaitaiStruct):
"""
.. seealso::
Source - https://msdn.microsoft.com/en-us/library/dd183376.aspx
"""
SEQ_FIELDS = ["image_width", "image_height", "num_planes", "bits_per_pixel", "compression", "len_image", "x_px_per_m", "y_px_per_m", "num_colors_used", "num_colors_important"]
def __init__(self, _io, _parent=None, _root=None):
self._io = _io
self._parent = _parent
self._root = _root if _root else self
self._debug = collections.defaultdict(dict)
def _read(self):
self._debug['image_width']['start'] = self._io.pos()
self.image_width = self._io.read_u4le()
self._debug['image_width']['end'] = self._io.pos()
self._debug['image_height']['start'] = self._io.pos()
self.image_height = self._io.read_u4le()
self._debug['image_height']['end'] = self._io.pos()
self._debug['num_planes']['start'] = self._io.pos()
self.num_planes = self._io.read_u2le()
self._debug['num_planes']['end'] = self._io.pos()
self._debug['bits_per_pixel']['start'] = self._io.pos()
self.bits_per_pixel = self._io.read_u2le()
self._debug['bits_per_pixel']['end'] = self._io.pos()
self._debug['compression']['start'] = self._io.pos()
self.compression = KaitaiStream.resolve_enum(self._root.Compressions, self._io.read_u4le())
self._debug['compression']['end'] = self._io.pos()
self._debug['len_image']['start'] = self._io.pos()
self.len_image = self._io.read_u4le()
self._debug['len_image']['end'] = self._io.pos()
self._debug['x_px_per_m']['start'] = self._io.pos()
self.x_px_per_m = self._io.read_u4le()
self._debug['x_px_per_m']['end'] = self._io.pos()
self._debug['y_px_per_m']['start'] = self._io.pos()
self.y_px_per_m = self._io.read_u4le()
self._debug['y_px_per_m']['end'] = self._io.pos()
self._debug['num_colors_used']['start'] = self._io.pos()
self.num_colors_used = self._io.read_u4le()
self._debug['num_colors_used']['end'] = self._io.pos()
self._debug['num_colors_important']['start'] = self._io.pos()
self.num_colors_important = self._io.read_u4le()
self._debug['num_colors_important']['end'] = self._io.pos()
@property
def image(self):
if hasattr(self, '_m_image'):
return self._m_image if hasattr(self, '_m_image') else None
_pos = self._io.pos()
self._io.seek(self.file_hdr.ofs_bitmap)
self._debug['_m_image']['start'] = self._io.pos()
self._m_image = self._io.read_bytes_full()
self._debug['_m_image']['end'] = self._io.pos()
self._io.seek(_pos)
return self._m_image if hasattr(self, '_m_image') else None
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