mirror of
https://github.com/SickGear/SickGear.git
synced 2024-12-23 19:23:37 +00:00
98 lines
3.1 KiB
Python
98 lines
3.1 KiB
Python
"""
|
|
LucasArts Font parser.
|
|
|
|
Author: Cyril Zorin
|
|
Creation date: 1 January 2007
|
|
"""
|
|
|
|
from hachoir.parser import Parser
|
|
from hachoir.field import (FieldSet,
|
|
UInt8, UInt16, UInt32, GenericVector)
|
|
from hachoir.core.endian import LITTLE_ENDIAN
|
|
|
|
|
|
class CharData(FieldSet):
|
|
|
|
def __init__(self, chars, *args):
|
|
FieldSet.__init__(self, *args)
|
|
self.chars = chars
|
|
|
|
def createFields(self):
|
|
for char in self.chars:
|
|
yield CharBitmap(char, self, "char_bitmap[]")
|
|
|
|
|
|
class CharBitmap(FieldSet):
|
|
|
|
def __init__(self, char, *args):
|
|
FieldSet.__init__(self, *args)
|
|
self.char = char
|
|
|
|
def createFields(self):
|
|
width = self.char["width_pixels"].value
|
|
for line in range(self.char["height_pixels"].value):
|
|
yield GenericVector(self, "line[]", width,
|
|
UInt8, "pixel")
|
|
|
|
|
|
class CharInfo(FieldSet):
|
|
static_size = 16 * 8
|
|
|
|
def createFields(self):
|
|
yield UInt32(self, "data_offset")
|
|
yield UInt8(self, "logical_width")
|
|
yield UInt8(self, "unknown[]")
|
|
yield UInt8(self, "unknown[]")
|
|
yield UInt8(self, "unknown[]")
|
|
yield UInt32(self, "width_pixels")
|
|
yield UInt32(self, "height_pixels")
|
|
|
|
|
|
class LafFile(Parser):
|
|
PARSER_TAGS = {
|
|
"id": "lucasarts_font",
|
|
"category": "game",
|
|
"file_ext": ("laf",),
|
|
"min_size": 32 * 8,
|
|
"description": "LucasArts Font"
|
|
}
|
|
|
|
endian = LITTLE_ENDIAN
|
|
|
|
def validate(self):
|
|
if self["num_chars"].value != 256:
|
|
return "Invalid number of characters (%u)" % self["num_chars"].value
|
|
if self["first_char_code"].value != 0:
|
|
return "Invalid of code of first character code (%u)" % self["first_char_code"].value
|
|
if self["last_char_code"].value != 255:
|
|
return "Invalid of code of last character code (%u)" % self["last_char_code"].value
|
|
if self["char_codes/char[0]"].value != 0:
|
|
return "Invalid character code #0 (%u)" % self["char_codes/char[0]"].value
|
|
if self["chars/char[0]/data_offset"].value != 0:
|
|
return "Invalid character #0 offset"
|
|
return True
|
|
|
|
def createFields(self):
|
|
yield UInt32(self, "num_chars")
|
|
yield UInt32(self, "raw_font_data_size")
|
|
yield UInt32(self, "max_char_width")
|
|
yield UInt32(self, "min_char_width")
|
|
yield UInt32(self, "unknown[]", 4)
|
|
yield UInt32(self, "unknown[]", 4)
|
|
yield UInt32(self, "first_char_code")
|
|
yield UInt32(self, "last_char_code")
|
|
|
|
yield GenericVector(self, "char_codes", self["num_chars"].value,
|
|
UInt16, "char")
|
|
|
|
yield GenericVector(self, "chars", self["num_chars"].value,
|
|
CharInfo, "char")
|
|
|
|
# character data. we make an effort to provide
|
|
# something more meaningful than "RawBytes:
|
|
# character bitmap data"
|
|
yield CharData(self["chars"], self, "char_data")
|
|
|
|
# read to the end
|
|
if self.current_size < self._size:
|
|
yield self.seekBit(self._size, "unknown[]")
|