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| author | Xusheng <xusheng@vector35.com> | 2021-07-01 12:34:30 +0800 |
|---|---|---|
| committer | Xusheng Li <xushengli@protonmail.com> | 2021-07-05 10:11:47 +0800 |
| commit | 13ff200ba134b8704f37eca99c42b70dab0d17dc (patch) | |
| tree | 876b3db3c53f704b31152aeaede1f2edc9d27b24 /python/examples/kaitai/tga.py | |
| parent | 4039a800349dcd587833d3e27d9137e4649818f4 (diff) | |
Remove snippet and kaitai plugin. Note their individual links.
Diffstat (limited to 'python/examples/kaitai/tga.py')
| -rw-r--r-- | python/examples/kaitai/tga.py | 212 |
1 files changed, 0 insertions, 212 deletions
diff --git a/python/examples/kaitai/tga.py b/python/examples/kaitai/tga.py deleted file mode 100644 index 5ba11862..00000000 --- a/python/examples/kaitai/tga.py +++ /dev/null @@ -1,212 +0,0 @@ -# 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 Tga(KaitaiStruct): - """TGA (AKA Truevision TGA, AKA TARGA), is a raster image file format created by Truevision. It supports up to 32 bits per pixel (three 8-bit RGB channels + 8-bit alpha channel), color mapping and optional lossless RLE compression. - - .. seealso:: - Source - http://www.dca.fee.unicamp.br/~martino/disciplinas/ea978/tgaffs.pdf - """ - - class ColorMapEnum(Enum): - no_color_map = 0 - has_color_map = 1 - - class ImageTypeEnum(Enum): - no_image_data = 0 - uncomp_color_mapped = 1 - uncomp_true_color = 2 - uncomp_bw = 3 - rle_color_mapped = 9 - rle_true_color = 10 - rle_bw = 11 - SEQ_FIELDS = ["image_id_len", "color_map_type", "image_type", "color_map_ofs", "num_color_map", "color_map_depth", "x_offset", "y_offset", "width", "height", "image_depth", "img_descriptor", "image_id", "color_map"] - 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_id_len']['start'] = self._io.pos() - self.image_id_len = self._io.read_u1() - self._debug['image_id_len']['end'] = self._io.pos() - self._debug['color_map_type']['start'] = self._io.pos() - self.color_map_type = KaitaiStream.resolve_enum(self._root.ColorMapEnum, self._io.read_u1()) - self._debug['color_map_type']['end'] = self._io.pos() - self._debug['image_type']['start'] = self._io.pos() - self.image_type = KaitaiStream.resolve_enum(self._root.ImageTypeEnum, self._io.read_u1()) - self._debug['image_type']['end'] = self._io.pos() - self._debug['color_map_ofs']['start'] = self._io.pos() - self.color_map_ofs = self._io.read_u2le() - self._debug['color_map_ofs']['end'] = self._io.pos() - self._debug['num_color_map']['start'] = self._io.pos() - self.num_color_map = self._io.read_u2le() - self._debug['num_color_map']['end'] = self._io.pos() - self._debug['color_map_depth']['start'] = self._io.pos() - self.color_map_depth = self._io.read_u1() - self._debug['color_map_depth']['end'] = self._io.pos() - self._debug['x_offset']['start'] = self._io.pos() - self.x_offset = self._io.read_u2le() - self._debug['x_offset']['end'] = self._io.pos() - self._debug['y_offset']['start'] = self._io.pos() - self.y_offset = self._io.read_u2le() - self._debug['y_offset']['end'] = self._io.pos() - self._debug['width']['start'] = self._io.pos() - self.width = self._io.read_u2le() - self._debug['width']['end'] = self._io.pos() - self._debug['height']['start'] = self._io.pos() - self.height = self._io.read_u2le() - self._debug['height']['end'] = self._io.pos() - self._debug['image_depth']['start'] = self._io.pos() - self.image_depth = self._io.read_u1() - self._debug['image_depth']['end'] = self._io.pos() - self._debug['img_descriptor']['start'] = self._io.pos() - self.img_descriptor = self._io.read_u1() - self._debug['img_descriptor']['end'] = self._io.pos() - self._debug['image_id']['start'] = self._io.pos() - self.image_id = self._io.read_bytes(self.image_id_len) - self._debug['image_id']['end'] = self._io.pos() - if self.color_map_type == self._root.ColorMapEnum.has_color_map: - self._debug['color_map']['start'] = self._io.pos() - self.color_map = [None] * (self.num_color_map) - for i in range(self.num_color_map): - if not 'arr' in self._debug['color_map']: - self._debug['color_map']['arr'] = [] - self._debug['color_map']['arr'].append({'start': self._io.pos()}) - self.color_map[i] = self._io.read_bytes((self.color_map_depth + 7) // 8) - self._debug['color_map']['arr'][i]['end'] = self._io.pos() - - self._debug['color_map']['end'] = self._io.pos() - - - class TgaFooter(KaitaiStruct): - SEQ_FIELDS = ["ext_area_ofs", "dev_dir_ofs", "version_magic"] - 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['ext_area_ofs']['start'] = self._io.pos() - self.ext_area_ofs = self._io.read_u4le() - self._debug['ext_area_ofs']['end'] = self._io.pos() - self._debug['dev_dir_ofs']['start'] = self._io.pos() - self.dev_dir_ofs = self._io.read_u4le() - self._debug['dev_dir_ofs']['end'] = self._io.pos() - self._debug['version_magic']['start'] = self._io.pos() - self.version_magic = self._io.read_bytes(18) - self._debug['version_magic']['end'] = self._io.pos() - - @property - def is_valid(self): - if hasattr(self, '_m_is_valid'): - return self._m_is_valid if hasattr(self, '_m_is_valid') else None - - self._m_is_valid = self.version_magic == b"\x54\x52\x55\x45\x56\x49\x53\x49\x4F\x4E\x2D\x58\x46\x49\x4C\x45\x2E\x00" - return self._m_is_valid if hasattr(self, '_m_is_valid') else None - - @property - def ext_area(self): - if hasattr(self, '_m_ext_area'): - return self._m_ext_area if hasattr(self, '_m_ext_area') else None - - if self.is_valid: - _pos = self._io.pos() - self._io.seek(self.ext_area_ofs) - self._debug['_m_ext_area']['start'] = self._io.pos() - self._m_ext_area = self._root.TgaExtArea(self._io, self, self._root) - self._m_ext_area._read() - self._debug['_m_ext_area']['end'] = self._io.pos() - self._io.seek(_pos) - - return self._m_ext_area if hasattr(self, '_m_ext_area') else None - - - class TgaExtArea(KaitaiStruct): - SEQ_FIELDS = ["ext_area_size", "author_name", "comments", "timestamp", "job_id", "job_time", "software_id", "software_version", "key_color", "pixel_aspect_ratio", "gamma_value", "color_corr_ofs", "postage_stamp_ofs", "scan_line_ofs", "attributes"] - 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['ext_area_size']['start'] = self._io.pos() - self.ext_area_size = self._io.read_u2le() - self._debug['ext_area_size']['end'] = self._io.pos() - self._debug['author_name']['start'] = self._io.pos() - self.author_name = (self._io.read_bytes(41)).decode(u"ASCII") - self._debug['author_name']['end'] = self._io.pos() - self._debug['comments']['start'] = self._io.pos() - self.comments = [None] * (4) - for i in range(4): - if not 'arr' in self._debug['comments']: - self._debug['comments']['arr'] = [] - self._debug['comments']['arr'].append({'start': self._io.pos()}) - self.comments[i] = (self._io.read_bytes(81)).decode(u"ASCII") - self._debug['comments']['arr'][i]['end'] = self._io.pos() - - self._debug['comments']['end'] = self._io.pos() - self._debug['timestamp']['start'] = self._io.pos() - self.timestamp = self._io.read_bytes(12) - self._debug['timestamp']['end'] = self._io.pos() - self._debug['job_id']['start'] = self._io.pos() - self.job_id = (self._io.read_bytes(41)).decode(u"ASCII") - self._debug['job_id']['end'] = self._io.pos() - self._debug['job_time']['start'] = self._io.pos() - self.job_time = (self._io.read_bytes(6)).decode(u"ASCII") - self._debug['job_time']['end'] = self._io.pos() - self._debug['software_id']['start'] = self._io.pos() - self.software_id = (self._io.read_bytes(41)).decode(u"ASCII") - self._debug['software_id']['end'] = self._io.pos() - self._debug['software_version']['start'] = self._io.pos() - self.software_version = self._io.read_bytes(3) - self._debug['software_version']['end'] = self._io.pos() - self._debug['key_color']['start'] = self._io.pos() - self.key_color = self._io.read_u4le() - self._debug['key_color']['end'] = self._io.pos() - self._debug['pixel_aspect_ratio']['start'] = self._io.pos() - self.pixel_aspect_ratio = self._io.read_u4le() - self._debug['pixel_aspect_ratio']['end'] = self._io.pos() - self._debug['gamma_value']['start'] = self._io.pos() - self.gamma_value = self._io.read_u4le() - self._debug['gamma_value']['end'] = self._io.pos() - self._debug['color_corr_ofs']['start'] = self._io.pos() - self.color_corr_ofs = self._io.read_u4le() - self._debug['color_corr_ofs']['end'] = self._io.pos() - self._debug['postage_stamp_ofs']['start'] = self._io.pos() - self.postage_stamp_ofs = self._io.read_u4le() - self._debug['postage_stamp_ofs']['end'] = self._io.pos() - self._debug['scan_line_ofs']['start'] = self._io.pos() - self.scan_line_ofs = self._io.read_u4le() - self._debug['scan_line_ofs']['end'] = self._io.pos() - self._debug['attributes']['start'] = self._io.pos() - self.attributes = self._io.read_u1() - self._debug['attributes']['end'] = self._io.pos() - - - @property - def footer(self): - if hasattr(self, '_m_footer'): - return self._m_footer if hasattr(self, '_m_footer') else None - - _pos = self._io.pos() - self._io.seek((self._io.size() - 26)) - self._debug['_m_footer']['start'] = self._io.pos() - self._m_footer = self._root.TgaFooter(self._io, self, self._root) - self._m_footer._read() - self._debug['_m_footer']['end'] = self._io.pos() - self._io.seek(_pos) - return self._m_footer if hasattr(self, '_m_footer') else None - - |
