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authorS. Solomon Darnell2025-03-28 21:52:21 -0500
committerS. Solomon Darnell2025-03-28 21:52:21 -0500
commit4a52a71956a8d46fcb7294ac71734504bb09bcc2 (patch)
treeee3dc5af3b6313e921cd920906356f5d4febc4ed /.venv/lib/python3.12/site-packages/PIL/FontFile.py
parentcc961e04ba734dd72309fb548a2f97d67d578813 (diff)
downloadgn-ai-master.tar.gz
two version of R2R are hereHEADmaster
Diffstat (limited to '.venv/lib/python3.12/site-packages/PIL/FontFile.py')
-rw-r--r--.venv/lib/python3.12/site-packages/PIL/FontFile.py134
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diff --git a/.venv/lib/python3.12/site-packages/PIL/FontFile.py b/.venv/lib/python3.12/site-packages/PIL/FontFile.py
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+++ b/.venv/lib/python3.12/site-packages/PIL/FontFile.py
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+#
+# The Python Imaging Library
+# $Id$
+#
+# base class for raster font file parsers
+#
+# history:
+# 1997-06-05 fl created
+# 1997-08-19 fl restrict image width
+#
+# Copyright (c) 1997-1998 by Secret Labs AB
+# Copyright (c) 1997-1998 by Fredrik Lundh
+#
+# See the README file for information on usage and redistribution.
+#
+from __future__ import annotations
+
+import os
+from typing import BinaryIO
+
+from . import Image, _binary
+
+WIDTH = 800
+
+
+def puti16(
+ fp: BinaryIO, values: tuple[int, int, int, int, int, int, int, int, int, int]
+) -> None:
+ """Write network order (big-endian) 16-bit sequence"""
+ for v in values:
+ if v < 0:
+ v += 65536
+ fp.write(_binary.o16be(v))
+
+
+class FontFile:
+ """Base class for raster font file handlers."""
+
+ bitmap: Image.Image | None = None
+
+ def __init__(self) -> None:
+ self.info: dict[bytes, bytes | int] = {}
+ self.glyph: list[
+ tuple[
+ tuple[int, int],
+ tuple[int, int, int, int],
+ tuple[int, int, int, int],
+ Image.Image,
+ ]
+ | None
+ ] = [None] * 256
+
+ def __getitem__(self, ix: int) -> (
+ tuple[
+ tuple[int, int],
+ tuple[int, int, int, int],
+ tuple[int, int, int, int],
+ Image.Image,
+ ]
+ | None
+ ):
+ return self.glyph[ix]
+
+ def compile(self) -> None:
+ """Create metrics and bitmap"""
+
+ if self.bitmap:
+ return
+
+ # create bitmap large enough to hold all data
+ h = w = maxwidth = 0
+ lines = 1
+ for glyph in self.glyph:
+ if glyph:
+ d, dst, src, im = glyph
+ h = max(h, src[3] - src[1])
+ w = w + (src[2] - src[0])
+ if w > WIDTH:
+ lines += 1
+ w = src[2] - src[0]
+ maxwidth = max(maxwidth, w)
+
+ xsize = maxwidth
+ ysize = lines * h
+
+ if xsize == 0 and ysize == 0:
+ return
+
+ self.ysize = h
+
+ # paste glyphs into bitmap
+ self.bitmap = Image.new("1", (xsize, ysize))
+ self.metrics: list[
+ tuple[tuple[int, int], tuple[int, int, int, int], tuple[int, int, int, int]]
+ | None
+ ] = [None] * 256
+ x = y = 0
+ for i in range(256):
+ glyph = self[i]
+ if glyph:
+ d, dst, src, im = glyph
+ xx = src[2] - src[0]
+ x0, y0 = x, y
+ x = x + xx
+ if x > WIDTH:
+ x, y = 0, y + h
+ x0, y0 = x, y
+ x = xx
+ s = src[0] + x0, src[1] + y0, src[2] + x0, src[3] + y0
+ self.bitmap.paste(im.crop(src), s)
+ self.metrics[i] = d, dst, s
+
+ def save(self, filename: str) -> None:
+ """Save font"""
+
+ self.compile()
+
+ # font data
+ if not self.bitmap:
+ msg = "No bitmap created"
+ raise ValueError(msg)
+ self.bitmap.save(os.path.splitext(filename)[0] + ".pbm", "PNG")
+
+ # font metrics
+ with open(os.path.splitext(filename)[0] + ".pil", "wb") as fp:
+ fp.write(b"PILfont\n")
+ fp.write(f";;;;;;{self.ysize};\n".encode("ascii")) # HACK!!!
+ fp.write(b"DATA\n")
+ for id in range(256):
+ m = self.metrics[id]
+ if not m:
+ puti16(fp, (0,) * 10)
+ else:
+ puti16(fp, m[0] + m[1] + m[2])