mirror of
https://github.com/moparisthebest/SickRage
synced 2024-11-05 08:55:01 -05:00
86 lines
2.4 KiB
Python
86 lines
2.4 KiB
Python
|
"""
|
||
|
|
Photoshop parser (.psd file).
|
||
|
|
|
||
|
|
Creation date: 8 january 2006
|
||
|
|
Author: Victor Stinner
|
||
|
|
"""
|
||
|
|
|
||
|
|
from lib.hachoir_parser import Parser
|
||
|
|
from lib.hachoir_core.field import (FieldSet,
|
||
|
|
UInt16, UInt32, String, NullBytes, Enum, RawBytes)
|
||
|
|
from lib.hachoir_core.endian import BIG_ENDIAN
|
||
|
|
from lib.hachoir_parser.image.photoshop_metadata import Photoshop8BIM
|
||
|
|
|
||
|
|
class Config(FieldSet):
|
||
|
|
def __init__(self, *args):
|
||
|
|
FieldSet.__init__(self, *args)
|
||
|
|
self._size = (4 + self["size"].value) * 8
|
||
|
|
|
||
|
|
def createFields(self):
|
||
|
|
yield UInt32(self, "size")
|
||
|
|
while not self.eof:
|
||
|
|
yield Photoshop8BIM(self, "item[]")
|
||
|
|
|
||
|
|
class PsdFile(Parser):
|
||
|
|
endian = BIG_ENDIAN
|
||
|
|
PARSER_TAGS = {
|
||
|
|
"id": "psd",
|
||
|
|
"category": "image",
|
||
|
|
"file_ext": ("psd",),
|
||
|
|
"mime": (u"image/psd", u"image/photoshop", u"image/x-photoshop"),
|
||
|
|
"min_size": 4*8,
|
||
|
|
"magic": (("8BPS\0\1",0),),
|
||
|
|
"description": "Photoshop (PSD) picture",
|
||
|
|
}
|
||
|
|
COLOR_MODE = {
|
||
|
|
0: u"Bitmap",
|
||
|
|
1: u"Grayscale",
|
||
|
|
2: u"Indexed",
|
||
|
|
3: u"RGB color",
|
||
|
|
4: u"CMYK color",
|
||
|
|
7: u"Multichannel",
|
||
|
|
8: u"Duotone",
|
||
|
|
9: u"Lab Color",
|
||
|
|
}
|
||
|
|
COMPRESSION_NAME = {
|
||
|
|
0: "Raw data",
|
||
|
|
1: "RLE",
|
||
|
|
}
|
||
|
|
|
||
|
|
def validate(self):
|
||
|
|
if self.stream.readBytes(0, 4) != "8BPS":
|
||
|
|
return "Invalid signature"
|
||
|
|
return True
|
||
|
|
|
||
|
|
def createFields(self):
|
||
|
|
yield String(self, "signature", 4, "PSD signature (8BPS)", charset="ASCII")
|
||
|
|
yield UInt16(self, "version")
|
||
|
|
yield NullBytes(self, "reserved[]", 6)
|
||
|
|
yield UInt16(self, "nb_channels")
|
||
|
|
yield UInt32(self, "width")
|
||
|
|
yield UInt32(self, "height")
|
||
|
|
yield UInt16(self, "depth")
|
||
|
|
yield Enum(UInt16(self, "color_mode"), self.COLOR_MODE)
|
||
|
|
|
||
|
|
# Mode data
|
||
|
|
yield UInt32(self, "mode_data_size")
|
||
|
|
size = self["mode_data_size"].value
|
||
|
|
if size:
|
||
|
|
yield RawBytes(self, "mode_data", size)
|
||
|
|
|
||
|
|
# Resources
|
||
|
|
yield Config(self, "config")
|
||
|
|
|
||
|
|
# Reserved
|
||
|
|
yield UInt32(self, "reserved_data_size")
|
||
|
|
size = self["reserved_data_size"].value
|
||
|
|
if size:
|
||
|
|
yield RawBytes(self, "reserved_data", size)
|
||
|
|
|
||
|
|
yield Enum(UInt16(self, "compression"), self.COMPRESSION_NAME)
|
||
|
|
|
||
|
|
size = (self.size - self.current_size) // 8
|
||
|
|
if size:
|
||
|
|
yield RawBytes(self, "end", size)
|
||
|
|
|