mirror of
https://github.com/SickGear/SickGear.git
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980e05cc99
Backported 400 revisions from rev 1de4961-8897c5b (2018-2014).
Move core/benchmark, core/cmd_line, core/memory, core/profiler and core/timeout to core/optional/*
Remove metadata/qt*
PORT: Version 2.0a3 (inline with 3.0a3 @ f80c7d5).
Basic Support for XMP Packets.
tga: improvements to adhere more closely to the spec.
pdf: slightly improved parsing.
rar: fix TypeError on unknown block types.
Add MacRoman win32 codepage.
tiff/exif: support SubIFDs and tiled images.
Add method to export metadata in dictionary.
mpeg_video: don't attempt to parse Stream past length.
mpeg_video: parse ESCR correctly, add SCR value.
Change centralise CustomFragments.
field: don't set parser class if class is None, to enable autodetect.
field: add value/display for CustomFragment.
parser: inline warning to enable tracebacks in debug mode.
Fix empty bytestrings in makePrintable.
Fix contentSize in jpeg.py to account for image_data blocks.
Fix the ELF parser.
Enhance the AR archive parser.
elf parser: fix wrong wrong fields order in parsing little endian section flags.
elf parser: add s390 as a machine type.
Flesh out mp4 parser.
PORT: Version 2.0a1 (inline with 3.0a1).
Major refactoring and PEP8.
Fix ResourceWarning warnings on files. Add a close() method and support for the context manager protocol ("with obj: ...") to parsers, input and output streams.
metadata: get comment from ZIP.
Support for InputIOStream.read(0).
Fix sizeGe when size is None.
Remove unused new_seekable_field_set file.
Remove parser Mapsforge .map.
Remove parser Parallel Realities Starfighter .pak files.
sevenzip: fix for newer archives.
java: update access flags and modifiers for Java 1.7 and update description text for most recent Java.
Support ustar prefix field in tar archives.
Remove file_system* parsers.
Remove misc parsers 3d0, 3ds, gnome_keyring, msoffice*, mstask, ole*, word*.
Remove program parsers macho, nds, prc.
Support non-8bit Character subclasses.
Python parser supports Python 3.7.
Enhance mpeg_ts parser to support MTS/M2TS.
Support for creation date in tiff.
Change don't hardcode errno constant.
PORT: 1.9.1
Internal Only: The following are legacy reference to upstream commit messages.
Relevant changes up to b0a115f8.
Use integer division.
Replace HACHOIR_ERRORS with Exception.
Fix metadata.Data: make it sortable.
Import fixes from e7de492.
PORT: Version 2.0a1 (inline with 3.0a1 @ e9f8fad).
Replace hachoir.core.field with hachoir.field
Replace hachoir.core.stream with hachoir.stream
Remove the compatibility module for PY1.5 to PY2.5.
metadata: support TIFF picture.
metadata: fix string normalization.
metadata: fix datetime regex Fix hachoir bug #57.
FileFromInputStream: fix comparison between None and an int.
InputIOStream: open the file in binary mode.
73 lines
2.7 KiB
Python
73 lines
2.7 KiB
Python
"""
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PCX picture filter.
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"""
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from hachoir.parser import Parser
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from hachoir.field import (
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UInt8, UInt16,
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PaddingBytes, RawBytes,
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Enum)
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from hachoir.parser.image.common import PaletteRGB
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from hachoir.core.endian import LITTLE_ENDIAN
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class PcxFile(Parser):
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endian = LITTLE_ENDIAN
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PARSER_TAGS = {
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"id": "pcx",
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"category": "image",
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"file_ext": ("pcx",),
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"mime": (u"image/x-pcx",),
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"min_size": 128 * 8,
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"description": "PC Paintbrush (PCX) picture"
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}
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compression_name = {1: "Run-length encoding (RLE)"}
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version_name = {
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0: u"Version 2.5 of PC Paintbrush",
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2: u"Version 2.8 with palette information",
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3: u"Version 2.8 without palette information",
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4: u"PC Paintbrush for Windows",
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5: u"Version 3.0 (or greater) of PC Paintbrush"
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}
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def validate(self):
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if self["id"].value != 10:
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return "Wrong signature"
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if self["version"].value not in self.version_name:
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return "Unknown format version"
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if self["bpp"].value not in (1, 2, 4, 8, 24, 32):
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return "Unknown bits/pixel"
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if self["reserved[0]"].value != "\0":
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return "Invalid reserved value"
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return True
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def createFields(self):
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yield UInt8(self, "id", "PCX identifier (10)")
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yield Enum(UInt8(self, "version", "PCX version"), self.version_name)
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yield Enum(UInt8(self, "compression", "Compression method"), self.compression_name)
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yield UInt8(self, "bpp", "Bits / pixel")
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yield UInt16(self, "xmin", "Minimum X")
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yield UInt16(self, "ymin", "Minimum Y")
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yield UInt16(self, "xmax", "Width minus one") # value + 1
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yield UInt16(self, "ymax", "Height minus one") # value + 1
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yield UInt16(self, "horiz_dpi", "Horizontal DPI")
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yield UInt16(self, "vert_dpi", "Vertical DPI")
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yield PaletteRGB(self, "palette_4bits", 16, "Palette (4 bits)")
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yield PaddingBytes(self, "reserved[]", 1)
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yield UInt8(self, "nb_color_plan", "Number of color plans")
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yield UInt16(self, "bytes_per_line", "Bytes per line")
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yield UInt16(self, "color_mode", "Color mode")
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yield PaddingBytes(self, "reserved[]", 58)
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if self._size is None: # TODO: is it possible to handle piped input?
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raise NotImplementedError
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nb_colors = 256
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size = (self._size - self.current_size) // 8
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has_palette = self["bpp"].value == 8
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if has_palette:
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size -= nb_colors * 3
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yield RawBytes(self, "image_data", size, "Image data")
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if has_palette:
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yield PaletteRGB(self, "palette_8bits", nb_colors, "Palette (8 bit)")
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