def __init__(self):
self.header = QGFBlockHeader()
self.header.type_id = QFFUnicodeGlyphTableV1.type_id
self.header.length = 0
# Each glyph is key=code_point, value=QFFGlyphInfo
self.glyphs = {}
class QFFFontDataDescriptorV1:
type_id = 0x04
def __init__(self):
self.header = QGFBlockHeader()
self.header.type_id = QFFFontDataDescriptorV1.type_id
self.data = []
def write(self, fp):
self.header.length = len(self.data)
self.header.write(fp)
fp.write(bytes(self.data))
def __init__(self):
self.header = QGFBlockHeader()
self.header.type_id = QFFFontDescriptor.type_id
self.header.length = QFFFontDescriptor.length
self.version = 1
self.total_file_size = 0
self.line_height = 0
self.has_ascii_table = False
self.unicode_glyph_count = 0
self.format = 0xFF
self.flags = 0
self.compression = 0xFF
self.transparency_index = 0xFF # TODO: Work out how to retrieve the transparent palette entry from the PIL gif loader
class QFFFontDescriptor:
type_id = 0x00
length = 20
magic = 0x464651
def __init__(self):
self.header = QGFBlockHeader()
self.header.type_id = QFFFontDescriptor.type_id
self.header.length = QFFFontDescriptor.length
self.version = 1
self.total_file_size = 0
self.line_height = 0
self.has_ascii_table = False
self.unicode_glyph_count = 0
self.format = 0xFF
self.flags = 0
self.compression = 0xFF
self.transparency_index = 0xFF # TODO: Work out how to retrieve the transparent palette entry from the PIL gif loader
def write(self, fp):
self.header.write(fp)
fp.write(b'' # start off with empty bytes...
+ o24(QFFFontDescriptor.magic) # magic
+ o8(self.version) # version
+ o32(self.total_file_size) # file size
+
o32((~self.total_file_size) & 0xFFFFFFFF) # negated file size
+ o8(self.line_height) # line height
+ o8(1 if self.has_ascii_table is True else 0
) # whether or not we have an ascii table present
+ o16(self.unicode_glyph_count
& 0xFFFF) # number of unicode glyphs present
+ o8(self.format) # format
+ o8(self.flags) # flags
+ o8(self.compression) # compression
+ o8(self.transparency_index) # transparency index
)
@property
def is_transparent(self):
return (self.flags & 0x01) == 0x01
@is_transparent.setter
def is_transparent(self, val):
if val:
self.flags |= 0x01
else:
self.flags &= ~0x01
class QFFAsciiGlyphTableV1:
type_id = 0x01
length = 95 * 3 # We have 95 glyphs: [0x20...0x7E]
def __init__(self):
self.header = QGFBlockHeader()
self.header.type_id = QFFAsciiGlyphTableV1.type_id
self.header.length = QFFAsciiGlyphTableV1.length
# Each glyph is key=code_point, value=QFFGlyphInfo
self.glyphs = {}
def add_glyph(self, glyph: QFFGlyphInfo):
self.glyphs[ord(glyph.code_point)] = glyph
def write(self, fp):
self.header.write(fp)
for n in range(0x20, 0x7F):
self.glyphs[n].write(fp, False)
class QFFUnicodeGlyphTableV1:
type_id = 0x02
def __init__(self):
self.header = QGFBlockHeader()
self.header.type_id = QFFUnicodeGlyphTableV1.type_id
self.header.length = 0
# Each glyph is key=code_point, value=QFFGlyphInfo
self.glyphs = {}
def add_glyph(self, glyph: QFFGlyphInfo):
self.glyphs[ord(glyph.code_point)] = glyph
def write(self, fp):
self.header.length = len(self.glyphs.keys()) * 6
self.header.write(fp)
for n in sorted(self.glyphs.keys()):
self.glyphs[n].write(fp, True)
def __init__(self):
self.header = QGFBlockHeader()
self.header.type_id = QFFFontDataDescriptorV1.type_id
self.data = []