# 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