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Diffstat (limited to 'venv/lib/python3.9/site-packages/PIL/ImageFont.py')
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diff --git a/venv/lib/python3.9/site-packages/PIL/ImageFont.py b/venv/lib/python3.9/site-packages/PIL/ImageFont.py new file mode 100644 index 00000000..9cdad296 --- /dev/null +++ b/venv/lib/python3.9/site-packages/PIL/ImageFont.py @@ -0,0 +1,1202 @@ +# +# The Python Imaging Library. +# $Id$ +# +# PIL raster font management +# +# History: +# 1996-08-07 fl created (experimental) +# 1997-08-25 fl minor adjustments to handle fonts from pilfont 0.3 +# 1999-02-06 fl rewrote most font management stuff in C +# 1999-03-17 fl take pth files into account in load_path (from Richard Jones) +# 2001-02-17 fl added freetype support +# 2001-05-09 fl added TransposedFont wrapper class +# 2002-03-04 fl make sure we have a "L" or "1" font +# 2002-12-04 fl skip non-directory entries in the system path +# 2003-04-29 fl add embedded default font +# 2003-09-27 fl added support for truetype charmap encodings +# +# Todo: +# Adapt to PILFONT2 format (16-bit fonts, compressed, single file) +# +# Copyright (c) 1997-2003 by Secret Labs AB +# Copyright (c) 1996-2003 by Fredrik Lundh +# +# See the README file for information on usage and redistribution. +# + +import base64 +import math +import os +import sys +import warnings +from enum import IntEnum +from io import BytesIO + +from . import Image +from ._deprecate import deprecate +from ._util import is_directory, is_path + + +class Layout(IntEnum): + BASIC = 0 + RAQM = 1 + + +def __getattr__(name): + for enum, prefix in {Layout: "LAYOUT_"}.items(): + if name.startswith(prefix): + name = name[len(prefix) :] + if name in enum.__members__: + deprecate(f"{prefix}{name}", 10, f"{enum.__name__}.{name}") + return enum[name] + msg = f"module '{__name__}' has no attribute '{name}'" + raise AttributeError(msg) + + +try: + from . import _imagingft as core +except ImportError as ex: + from ._util import DeferredError + + core = DeferredError(ex) + + +_UNSPECIFIED = object() + + +# FIXME: add support for pilfont2 format (see FontFile.py) + +# -------------------------------------------------------------------- +# Font metrics format: +# "PILfont" LF +# fontdescriptor LF +# (optional) key=value... LF +# "DATA" LF +# binary data: 256*10*2 bytes (dx, dy, dstbox, srcbox) +# +# To place a character, cut out srcbox and paste at dstbox, +# relative to the character position. Then move the character +# position according to dx, dy. +# -------------------------------------------------------------------- + + +class ImageFont: + """PIL font wrapper""" + + def _load_pilfont(self, filename): + with open(filename, "rb") as fp: + image = None + for ext in (".png", ".gif", ".pbm"): + if image: + image.close() + try: + fullname = os.path.splitext(filename)[0] + ext + image = Image.open(fullname) + except Exception: + pass + else: + if image and image.mode in ("1", "L"): + break + else: + if image: + image.close() + msg = "cannot find glyph data file" + raise OSError(msg) + + self.file = fullname + + self._load_pilfont_data(fp, image) + image.close() + + def _load_pilfont_data(self, file, image): + # read PILfont header + if file.readline() != b"PILfont\n": + msg = "Not a PILfont file" + raise SyntaxError(msg) + file.readline().split(b";") + self.info = [] # FIXME: should be a dictionary + while True: + s = file.readline() + if not s or s == b"DATA\n": + break + self.info.append(s) + + # read PILfont metrics + data = file.read(256 * 20) + + # check image + if image.mode not in ("1", "L"): + msg = "invalid font image mode" + raise TypeError(msg) + + image.load() + + self.font = Image.core.font(image.im, data) + + def getsize(self, text, *args, **kwargs): + """ + .. deprecated:: 9.2.0 + + Use :py:meth:`.getbbox` or :py:meth:`.getlength` instead. + + See :ref:`deprecations <Font size and offset methods>` for more information. + + Returns width and height (in pixels) of given text. + + :param text: Text to measure. + + :return: (width, height) + """ + deprecate("getsize", 10, "getbbox or getlength") + return self.font.getsize(text) + + def getmask(self, text, mode="", *args, **kwargs): + """ + Create a bitmap for the text. + + If the font uses antialiasing, the bitmap should have mode ``L`` and use a + maximum value of 255. Otherwise, it should have mode ``1``. + + :param text: Text to render. + :param mode: Used by some graphics drivers to indicate what mode the + driver prefers; if empty, the renderer may return either + mode. Note that the mode is always a string, to simplify + C-level implementations. + + .. versionadded:: 1.1.5 + + :return: An internal PIL storage memory instance as defined by the + :py:mod:`PIL.Image.core` interface module. + """ + return self.font.getmask(text, mode) + + def getbbox(self, text, *args, **kwargs): + """ + Returns bounding box (in pixels) of given text. + + .. versionadded:: 9.2.0 + + :param text: Text to render. + :param mode: Used by some graphics drivers to indicate what mode the + driver prefers; if empty, the renderer may return either + mode. Note that the mode is always a string, to simplify + C-level implementations. + + :return: ``(left, top, right, bottom)`` bounding box + """ + width, height = self.font.getsize(text) + return 0, 0, width, height + + def getlength(self, text, *args, **kwargs): + """ + Returns length (in pixels) of given text. + This is the amount by which following text should be offset. + + .. versionadded:: 9.2.0 + """ + width, height = self.font.getsize(text) + return width + + +## +# Wrapper for FreeType fonts. Application code should use the +# <b>truetype</b> factory function to create font objects. + + +class FreeTypeFont: + """FreeType font wrapper (requires _imagingft service)""" + + def __init__(self, font=None, size=10, index=0, encoding="", layout_engine=None): + # FIXME: use service provider instead + + self.path = font + self.size = size + self.index = index + self.encoding = encoding + + if layout_engine not in (Layout.BASIC, Layout.RAQM): + layout_engine = Layout.BASIC + if core.HAVE_RAQM: + layout_engine = Layout.RAQM + elif layout_engine == Layout.RAQM and not core.HAVE_RAQM: + warnings.warn( + "Raqm layout was requested, but Raqm is not available. " + "Falling back to basic layout." + ) + layout_engine = Layout.BASIC + + self.layout_engine = layout_engine + + def load_from_bytes(f): + self.font_bytes = f.read() + self.font = core.getfont( + "", size, index, encoding, self.font_bytes, layout_engine + ) + + if is_path(font): + if sys.platform == "win32": + font_bytes_path = font if isinstance(font, bytes) else font.encode() + try: + font_bytes_path.decode("ascii") + except UnicodeDecodeError: + # FreeType cannot load fonts with non-ASCII characters on Windows + # So load it into memory first + with open(font, "rb") as f: + load_from_bytes(f) + return + self.font = core.getfont( + font, size, index, encoding, layout_engine=layout_engine + ) + else: + load_from_bytes(font) + + def __getstate__(self): + return [self.path, self.size, self.index, self.encoding, self.layout_engine] + + def __setstate__(self, state): + path, size, index, encoding, layout_engine = state + self.__init__(path, size, index, encoding, layout_engine) + + def _multiline_split(self, text): + split_character = "\n" if isinstance(text, str) else b"\n" + return text.split(split_character) + + def getname(self): + """ + :return: A tuple of the font family (e.g. Helvetica) and the font style + (e.g. Bold) + """ + return self.font.family, self.font.style + + def getmetrics(self): + """ + :return: A tuple of the font ascent (the distance from the baseline to + the highest outline point) and descent (the distance from the + baseline to the lowest outline point, a negative value) + """ + return self.font.ascent, self.font.descent + + def getlength(self, text, mode="", direction=None, features=None, language=None): + """ + Returns length (in pixels with 1/64 precision) of given text when rendered + in font with provided direction, features, and language. + + This is the amount by which following text should be offset. + Text bounding box may extend past the length in some fonts, + e.g. when using italics or accents. + + The result is returned as a float; it is a whole number if using basic layout. + + Note that the sum of two lengths may not equal the length of a concatenated + string due to kerning. If you need to adjust for kerning, include the following + character and subtract its length. + + For example, instead of :: + + hello = font.getlength("Hello") + world = font.getlength("World") + hello_world = hello + world # not adjusted for kerning + assert hello_world == font.getlength("HelloWorld") # may fail + + use :: + + hello = font.getlength("HelloW") - font.getlength("W") # adjusted for kerning + world = font.getlength("World") + hello_world = hello + world # adjusted for kerning + assert hello_world == font.getlength("HelloWorld") # True + + or disable kerning with (requires libraqm) :: + + hello = draw.textlength("Hello", font, features=["-kern"]) + world = draw.textlength("World", font, features=["-kern"]) + hello_world = hello + world # kerning is disabled, no need to adjust + assert hello_world == draw.textlength("HelloWorld", font, features=["-kern"]) + + .. versionadded:: 8.0.0 + + :param text: Text to measure. + :param mode: Used by some graphics drivers to indicate what mode the + driver prefers; if empty, the renderer may return either + mode. Note that the mode is always a string, to simplify + C-level implementations. + + :param direction: Direction of the text. It can be 'rtl' (right to + left), 'ltr' (left to right) or 'ttb' (top to bottom). + Requires libraqm. + + :param features: A list of OpenType font features to be used during text + layout. This is usually used to turn on optional + font features that are not enabled by default, + for example 'dlig' or 'ss01', but can be also + used to turn off default font features for + example '-liga' to disable ligatures or '-kern' + to disable kerning. To get all supported + features, see + https://learn.microsoft.com/en-us/typography/opentype/spec/featurelist + Requires libraqm. + + :param language: Language of the text. Different languages may use + different glyph shapes or ligatures. This parameter tells + the font which language the text is in, and to apply the + correct substitutions as appropriate, if available. + It should be a `BCP 47 language code + <https://www.w3.org/International/articles/language-tags/>`_ + Requires libraqm. + + :return: Width for horizontal, height for vertical text. + """ + return self.font.getlength(text, mode, direction, features, language) / 64 + + def getbbox( + self, + text, + mode="", + direction=None, + features=None, + language=None, + stroke_width=0, + anchor=None, + ): + """ + Returns bounding box (in pixels) of given text relative to given anchor + when rendered in font with provided direction, features, and language. + + Use :py:meth:`getlength()` to get the offset of following text with + 1/64 pixel precision. The bounding box includes extra margins for + some fonts, e.g. italics or accents. + + .. versionadded:: 8.0.0 + + :param text: Text to render. + :param mode: Used by some graphics drivers to indicate what mode the + driver prefers; if empty, the renderer may return either + mode. Note that the mode is always a string, to simplify + C-level implementations. + + :param direction: Direction of the text. It can be 'rtl' (right to + left), 'ltr' (left to right) or 'ttb' (top to bottom). + Requires libraqm. + + :param features: A list of OpenType font features to be used during text + layout. This is usually used to turn on optional + font features that are not enabled by default, + for example 'dlig' or 'ss01', but can be also + used to turn off default font features for + example '-liga' to disable ligatures or '-kern' + to disable kerning. To get all supported + features, see + https://learn.microsoft.com/en-us/typography/opentype/spec/featurelist + Requires libraqm. + + :param language: Language of the text. Different languages may use + different glyph shapes or ligatures. This parameter tells + the font which language the text is in, and to apply the + correct substitutions as appropriate, if available. + It should be a `BCP 47 language code + <https://www.w3.org/International/articles/language-tags/>`_ + Requires libraqm. + + :param stroke_width: The width of the text stroke. + + :param anchor: The text anchor alignment. Determines the relative location of + the anchor to the text. The default alignment is top left. + See :ref:`text-anchors` for valid values. + + :return: ``(left, top, right, bottom)`` bounding box + """ + size, offset = self.font.getsize( + text, mode, direction, features, language, anchor + ) + left, top = offset[0] - stroke_width, offset[1] - stroke_width + width, height = size[0] + 2 * stroke_width, size[1] + 2 * stroke_width + return left, top, left + width, top + height + + def getsize( + self, + text, + direction=None, + features=None, + language=None, + stroke_width=0, + ): + """ + .. deprecated:: 9.2.0 + + Use :py:meth:`getlength()` to measure the offset of following text with + 1/64 pixel precision. + Use :py:meth:`getbbox()` to get the exact bounding box based on an anchor. + + See :ref:`deprecations <Font size and offset methods>` for more information. + + Returns width and height (in pixels) of given text if rendered in font with + provided direction, features, and language. + + .. note:: For historical reasons this function measures text height from + the ascender line instead of the top, see :ref:`text-anchors`. + If you wish to measure text height from the top, it is recommended + to use the bottom value of :meth:`getbbox` with ``anchor='lt'`` instead. + + :param text: Text to measure. + + :param direction: Direction of the text. It can be 'rtl' (right to + left), 'ltr' (left to right) or 'ttb' (top to bottom). + Requires libraqm. + + .. versionadded:: 4.2.0 + + :param features: A list of OpenType font features to be used during text + layout. This is usually used to turn on optional + font features that are not enabled by default, + for example 'dlig' or 'ss01', but can be also + used to turn off default font features for + example '-liga' to disable ligatures or '-kern' + to disable kerning. To get all supported + features, see + https://learn.microsoft.com/en-us/typography/opentype/spec/featurelist + Requires libraqm. + + .. versionadded:: 4.2.0 + + :param language: Language of the text. Different languages may use + different glyph shapes or ligatures. This parameter tells + the font which language the text is in, and to apply the + correct substitutions as appropriate, if available. + It should be a `BCP 47 language code + <https://www.w3.org/International/articles/language-tags/>`_ + Requires libraqm. + + .. versionadded:: 6.0.0 + + :param stroke_width: The width of the text stroke. + + .. versionadded:: 6.2.0 + + :return: (width, height) + """ + deprecate("getsize", 10, "getbbox or getlength") + # vertical offset is added for historical reasons + # see https://github.com/python-pillow/Pillow/pull/4910#discussion_r486682929 + size, offset = self.font.getsize(text, "L", direction, features, language) + return ( + size[0] + stroke_width * 2, + size[1] + stroke_width * 2 + offset[1], + ) + + def getsize_multiline( + self, + text, + direction=None, + spacing=4, + features=None, + language=None, + stroke_width=0, + ): + """ + .. deprecated:: 9.2.0 + + Use :py:meth:`.ImageDraw.multiline_textbbox` instead. + + See :ref:`deprecations <Font size and offset methods>` for more information. + + Returns width and height (in pixels) of given text if rendered in font + with provided direction, features, and language, while respecting + newline characters. + + :param text: Text to measure. + + :param direction: Direction of the text. It can be 'rtl' (right to + left), 'ltr' (left to right) or 'ttb' (top to bottom). + Requires libraqm. + + :param spacing: The vertical gap between lines, defaulting to 4 pixels. + + :param features: A list of OpenType font features to be used during text + layout. This is usually used to turn on optional + font features that are not enabled by default, + for example 'dlig' or 'ss01', but can be also + used to turn off default font features for + example '-liga' to disable ligatures or '-kern' + to disable kerning. To get all supported + features, see + https://learn.microsoft.com/en-us/typography/opentype/spec/featurelist + Requires libraqm. + + :param language: Language of the text. Different languages may use + different glyph shapes or ligatures. This parameter tells + the font which language the text is in, and to apply the + correct substitutions as appropriate, if available. + It should be a `BCP 47 language code + <https://www.w3.org/International/articles/language-tags/>`_ + Requires libraqm. + + .. versionadded:: 6.0.0 + + :param stroke_width: The width of the text stroke. + + .. versionadded:: 6.2.0 + + :return: (width, height) + """ + deprecate("getsize_multiline", 10, "ImageDraw.multiline_textbbox") + max_width = 0 + lines = self._multiline_split(text) + with warnings.catch_warnings(): + warnings.filterwarnings("ignore", category=DeprecationWarning) + line_spacing = self.getsize("A", stroke_width=stroke_width)[1] + spacing + for line in lines: + line_width, line_height = self.getsize( + line, direction, features, language, stroke_width + ) + max_width = max(max_width, line_width) + + return max_width, len(lines) * line_spacing - spacing + + def getoffset(self, text): + """ + .. deprecated:: 9.2.0 + + Use :py:meth:`.getbbox` instead. + + See :ref:`deprecations <Font size and offset methods>` for more information. + + Returns the offset of given text. This is the gap between the + starting coordinate and the first marking. Note that this gap is + included in the result of :py:func:`~PIL.ImageFont.FreeTypeFont.getsize`. + + :param text: Text to measure. + + :return: A tuple of the x and y offset + """ + deprecate("getoffset", 10, "getbbox") + return self.font.getsize(text)[1] + + def getmask( + self, + text, + mode="", + direction=None, + features=None, + language=None, + stroke_width=0, + anchor=None, + ink=0, + start=None, + ): + """ + Create a bitmap for the text. + + If the font uses antialiasing, the bitmap should have mode ``L`` and use a + maximum value of 255. If the font has embedded color data, the bitmap + should have mode ``RGBA``. Otherwise, it should have mode ``1``. + + :param text: Text to render. + :param mode: Used by some graphics drivers to indicate what mode the + driver prefers; if empty, the renderer may return either + mode. Note that the mode is always a string, to simplify + C-level implementations. + + .. versionadded:: 1.1.5 + + :param direction: Direction of the text. It can be 'rtl' (right to + left), 'ltr' (left to right) or 'ttb' (top to bottom). + Requires libraqm. + + .. versionadded:: 4.2.0 + + :param features: A list of OpenType font features to be used during text + layout. This is usually used to turn on optional + font features that are not enabled by default, + for example 'dlig' or 'ss01', but can be also + used to turn off default font features for + example '-liga' to disable ligatures or '-kern' + to disable kerning. To get all supported + features, see + https://learn.microsoft.com/en-us/typography/opentype/spec/featurelist + Requires libraqm. + + .. versionadded:: 4.2.0 + + :param language: Language of the text. Different languages may use + different glyph shapes or ligatures. This parameter tells + the font which language the text is in, and to apply the + correct substitutions as appropriate, if available. + It should be a `BCP 47 language code + <https://www.w3.org/International/articles/language-tags/>`_ + Requires libraqm. + + .. versionadded:: 6.0.0 + + :param stroke_width: The width of the text stroke. + + .. versionadded:: 6.2.0 + + :param anchor: The text anchor alignment. Determines the relative location of + the anchor to the text. The default alignment is top left. + See :ref:`text-anchors` for valid values. + + .. versionadded:: 8.0.0 + + :param ink: Foreground ink for rendering in RGBA mode. + + .. versionadded:: 8.0.0 + + :param start: Tuple of horizontal and vertical offset, as text may render + differently when starting at fractional coordinates. + + .. versionadded:: 9.4.0 + + :return: An internal PIL storage memory instance as defined by the + :py:mod:`PIL.Image.core` interface module. + """ + return self.getmask2( + text, + mode, + direction=direction, + features=features, + language=language, + stroke_width=stroke_width, + anchor=anchor, + ink=ink, + start=start, + )[0] + + def getmask2( + self, + text, + mode="", + fill=_UNSPECIFIED, + direction=None, + features=None, + language=None, + stroke_width=0, + anchor=None, + ink=0, + start=None, + *args, + **kwargs, + ): + """ + Create a bitmap for the text. + + If the font uses antialiasing, the bitmap should have mode ``L`` and use a + maximum value of 255. If the font has embedded color data, the bitmap + should have mode ``RGBA``. Otherwise, it should have mode ``1``. + + :param text: Text to render. + :param mode: Used by some graphics drivers to indicate what mode the + driver prefers; if empty, the renderer may return either + mode. Note that the mode is always a string, to simplify + C-level implementations. + + .. versionadded:: 1.1.5 + + :param fill: Optional fill function. By default, an internal Pillow function + will be used. + + Deprecated. This parameter will be removed in Pillow 10 + (2023-07-01). + + :param direction: Direction of the text. It can be 'rtl' (right to + left), 'ltr' (left to right) or 'ttb' (top to bottom). + Requires libraqm. + + .. versionadded:: 4.2.0 + + :param features: A list of OpenType font features to be used during text + layout. This is usually used to turn on optional + font features that are not enabled by default, + for example 'dlig' or 'ss01', but can be also + used to turn off default font features for + example '-liga' to disable ligatures or '-kern' + to disable kerning. To get all supported + features, see + https://learn.microsoft.com/en-us/typography/opentype/spec/featurelist + Requires libraqm. + + .. versionadded:: 4.2.0 + + :param language: Language of the text. Different languages may use + different glyph shapes or ligatures. This parameter tells + the font which language the text is in, and to apply the + correct substitutions as appropriate, if available. + It should be a `BCP 47 language code + <https://www.w3.org/International/articles/language-tags/>`_ + Requires libraqm. + + .. versionadded:: 6.0.0 + + :param stroke_width: The width of the text stroke. + + .. versionadded:: 6.2.0 + + :param anchor: The text anchor alignment. Determines the relative location of + the anchor to the text. The default alignment is top left. + See :ref:`text-anchors` for valid values. + + .. versionadded:: 8.0.0 + + :param ink: Foreground ink for rendering in RGBA mode. + + .. versionadded:: 8.0.0 + + :param start: Tuple of horizontal and vertical offset, as text may render + differently when starting at fractional coordinates. + + .. versionadded:: 9.4.0 + + :return: A tuple of an internal PIL storage memory instance as defined by the + :py:mod:`PIL.Image.core` interface module, and the text offset, the + gap between the starting coordinate and the first marking + """ + if fill is _UNSPECIFIED: + fill = Image.core.fill + else: + deprecate("fill", 10) + size, offset = self.font.getsize( + text, mode, direction, features, language, anchor + ) + if start is None: + start = (0, 0) + size = tuple(math.ceil(size[i] + stroke_width * 2 + start[i]) for i in range(2)) + offset = offset[0] - stroke_width, offset[1] - stroke_width + Image._decompression_bomb_check(size) + im = fill("RGBA" if mode == "RGBA" else "L", size, 0) + if min(size): + self.font.render( + text, + im.id, + mode, + direction, + features, + language, + stroke_width, + ink, + start[0], + start[1], + ) + return im, offset + + def font_variant( + self, font=None, size=None, index=None, encoding=None, layout_engine=None + ): + """ + Create a copy of this FreeTypeFont object, + using any specified arguments to override the settings. + + Parameters are identical to the parameters used to initialize this + object. + + :return: A FreeTypeFont object. + """ + if font is None: + try: + font = BytesIO(self.font_bytes) + except AttributeError: + font = self.path + return FreeTypeFont( + font=font, + size=self.size if size is None else size, + index=self.index if index is None else index, + encoding=self.encoding if encoding is None else encoding, + layout_engine=layout_engine or self.layout_engine, + ) + + def get_variation_names(self): + """ + :returns: A list of the named styles in a variation font. + :exception OSError: If the font is not a variation font. + """ + try: + names = self.font.getvarnames() + except AttributeError as e: + msg = "FreeType 2.9.1 or greater is required" + raise NotImplementedError(msg) from e + return [name.replace(b"\x00", b"") for name in names] + + def set_variation_by_name(self, name): + """ + :param name: The name of the style. + :exception OSError: If the font is not a variation font. + """ + names = self.get_variation_names() + if not isinstance(name, bytes): + name = name.encode() + index = names.index(name) + 1 + + if index == getattr(self, "_last_variation_index", None): + # When the same name is set twice in a row, + # there is an 'unknown freetype error' + # https://savannah.nongnu.org/bugs/?56186 + return + self._last_variation_index = index + + self.font.setvarname(index) + + def get_variation_axes(self): + """ + :returns: A list of the axes in a variation font. + :exception OSError: If the font is not a variation font. + """ + try: + axes = self.font.getvaraxes() + except AttributeError as e: + msg = "FreeType 2.9.1 or greater is required" + raise NotImplementedError(msg) from e + for axis in axes: + axis["name"] = axis["name"].replace(b"\x00", b"") + return axes + + def set_variation_by_axes(self, axes): + """ + :param axes: A list of values for each axis. + :exception OSError: If the font is not a variation font. + """ + try: + self.font.setvaraxes(axes) + except AttributeError as e: + msg = "FreeType 2.9.1 or greater is required" + raise NotImplementedError(msg) from e + + +class TransposedFont: + """Wrapper for writing rotated or mirrored text""" + + def __init__(self, font, orientation=None): + """ + Wrapper that creates a transposed font from any existing font + object. + + :param font: A font object. + :param orientation: An optional orientation. If given, this should + be one of Image.Transpose.FLIP_LEFT_RIGHT, Image.Transpose.FLIP_TOP_BOTTOM, + Image.Transpose.ROTATE_90, Image.Transpose.ROTATE_180, or + Image.Transpose.ROTATE_270. + """ + self.font = font + self.orientation = orientation # any 'transpose' argument, or None + + def getsize(self, text, *args, **kwargs): + """ + .. deprecated:: 9.2.0 + + Use :py:meth:`.getbbox` or :py:meth:`.getlength` instead. + + See :ref:`deprecations <Font size and offset methods>` for more information. + """ + deprecate("getsize", 10, "getbbox or getlength") + with warnings.catch_warnings(): + warnings.filterwarnings("ignore", category=DeprecationWarning) + w, h = self.font.getsize(text) + if self.orientation in (Image.Transpose.ROTATE_90, Image.Transpose.ROTATE_270): + return h, w + return w, h + + def getmask(self, text, mode="", *args, **kwargs): + im = self.font.getmask(text, mode, *args, **kwargs) + if self.orientation is not None: + return im.transpose(self.orientation) + return im + + def getbbox(self, text, *args, **kwargs): + # TransposedFont doesn't support getmask2, move top-left point to (0, 0) + # this has no effect on ImageFont and simulates anchor="lt" for FreeTypeFont + left, top, right, bottom = self.font.getbbox(text, *args, **kwargs) + width = right - left + height = bottom - top + if self.orientation in (Image.Transpose.ROTATE_90, Image.Transpose.ROTATE_270): + return 0, 0, height, width + return 0, 0, width, height + + def getlength(self, text, *args, **kwargs): + if self.orientation in (Image.Transpose.ROTATE_90, Image.Transpose.ROTATE_270): + msg = "text length is undefined for text rotated by 90 or 270 degrees" + raise ValueError(msg) + return self.font.getlength(text, *args, **kwargs) + + +def load(filename): + """ + Load a font file. This function loads a font object from the given + bitmap font file, and returns the corresponding font object. + + :param filename: Name of font file. + :return: A font object. + :exception OSError: If the file could not be read. + """ + f = ImageFont() + f._load_pilfont(filename) + return f + + +def truetype(font=None, size=10, index=0, encoding="", layout_engine=None): + """ + Load a TrueType or OpenType font from a file or file-like object, + and create a font object. + This function loads a font object from the given file or file-like + object, and creates a font object for a font of the given size. + + Pillow uses FreeType to open font files. On Windows, be aware that FreeType + will keep the file open as long as the FreeTypeFont object exists. Windows + limits the number of files that can be open in C at once to 512, so if many + fonts are opened simultaneously and that limit is approached, an + ``OSError`` may be thrown, reporting that FreeType "cannot open resource". + A workaround would be to copy the file(s) into memory, and open that instead. + + This function requires the _imagingft service. + + :param font: A filename or file-like object containing a TrueType font. + If the file is not found in this filename, the loader may also + search in other directories, such as the :file:`fonts/` + directory on Windows or :file:`/Library/Fonts/`, + :file:`/System/Library/Fonts/` and :file:`~/Library/Fonts/` on + macOS. + + :param size: The requested size, in pixels. + :param index: Which font face to load (default is first available face). + :param encoding: Which font encoding to use (default is Unicode). Possible + encodings include (see the FreeType documentation for more + information): + + * "unic" (Unicode) + * "symb" (Microsoft Symbol) + * "ADOB" (Adobe Standard) + * "ADBE" (Adobe Expert) + * "ADBC" (Adobe Custom) + * "armn" (Apple Roman) + * "sjis" (Shift JIS) + * "gb " (PRC) + * "big5" + * "wans" (Extended Wansung) + * "joha" (Johab) + * "lat1" (Latin-1) + + This specifies the character set to use. It does not alter the + encoding of any text provided in subsequent operations. + :param layout_engine: Which layout engine to use, if available: + :data:`.ImageFont.Layout.BASIC` or :data:`.ImageFont.Layout.RAQM`. + If it is available, Raqm layout will be used by default. + Otherwise, basic layout will be used. + + Raqm layout is recommended for all non-English text. If Raqm layout + is not required, basic layout will have better performance. + + You can check support for Raqm layout using + :py:func:`PIL.features.check_feature` with ``feature="raqm"``. + + .. versionadded:: 4.2.0 + :return: A font object. + :exception OSError: If the file could not be read. + """ + + def freetype(font): + return FreeTypeFont(font, size, index, encoding, layout_engine) + + try: + return freetype(font) + except OSError: + if not is_path(font): + raise + ttf_filename = os.path.basename(font) + + dirs = [] + if sys.platform == "win32": + # check the windows font repository + # NOTE: must use uppercase WINDIR, to work around bugs in + # 1.5.2's os.environ.get() + windir = os.environ.get("WINDIR") + if windir: + dirs.append(os.path.join(windir, "fonts")) + elif sys.platform in ("linux", "linux2"): + lindirs = os.environ.get("XDG_DATA_DIRS") + if not lindirs: + # According to the freedesktop spec, XDG_DATA_DIRS should + # default to /usr/share + lindirs = "/usr/share" + dirs += [os.path.join(lindir, "fonts") for lindir in lindirs.split(":")] + elif sys.platform == "darwin": + dirs += [ + "/Library/Fonts", + "/System/Library/Fonts", + os.path.expanduser("~/Library/Fonts"), + ] + + ext = os.path.splitext(ttf_filename)[1] + first_font_with_a_different_extension = None + for directory in dirs: + for walkroot, walkdir, walkfilenames in os.walk(directory): + for walkfilename in walkfilenames: + if ext and walkfilename == ttf_filename: + return freetype(os.path.join(walkroot, walkfilename)) + elif not ext and os.path.splitext(walkfilename)[0] == ttf_filename: + fontpath = os.path.join(walkroot, walkfilename) + if os.path.splitext(fontpath)[1] == ".ttf": + return freetype(fontpath) + if not ext and first_font_with_a_different_extension is None: + first_font_with_a_different_extension = fontpath + if first_font_with_a_different_extension: + return freetype(first_font_with_a_different_extension) + raise + + +def load_path(filename): + """ + Load font file. Same as :py:func:`~PIL.ImageFont.load`, but searches for a + bitmap font along the Python path. + + :param filename: Name of font file. + :return: A font object. + :exception OSError: If the file could not be read. + """ + for directory in sys.path: + if is_directory(directory): + if not isinstance(filename, str): + filename = filename.decode("utf-8") + try: + return load(os.path.join(directory, filename)) + except OSError: + pass + msg = "cannot find font file" + raise OSError(msg) + + +def load_default(): + """Load a "better than nothing" default font. + + .. versionadded:: 1.1.4 + + :return: A font object. + """ + f = ImageFont() + f._load_pilfont_data( + # courB08 + BytesIO( + base64.b64decode( + b""" +UElMZm9udAo7Ozs7OzsxMDsKREFUQQoAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA +AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA +AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA 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