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Diffstat (limited to 'env/lib/python3.10/site-packages/PIL/ImageFont.py')
| -rw-r--r-- | env/lib/python3.10/site-packages/PIL/ImageFont.py | 1181 |
1 files changed, 0 insertions, 1181 deletions
diff --git a/env/lib/python3.10/site-packages/PIL/ImageFont.py b/env/lib/python3.10/site-packages/PIL/ImageFont.py deleted file mode 100644 index 457e906..0000000 --- a/env/lib/python3.10/site-packages/PIL/ImageFont.py +++ /dev/null @@ -1,1181 +0,0 @@ -# -# 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 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] - raise AttributeError(f"module '{__name__}' has no attribute '{name}'") - - -class _ImagingFtNotInstalled: - # module placeholder - def __getattr__(self, id): - raise ImportError("The _imagingft C module is not installed") - - -try: - from . import _imagingft as core -except ImportError: - core = _ImagingFtNotInstalled() - - -_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() - raise OSError("cannot find glyph data file") - - 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": - raise SyntaxError("Not a PILfont file") - 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"): - raise TypeError("invalid font image mode") - - 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 - - .. code-block:: python - - 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 - - .. code-block:: python - - 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) - - .. code-block:: python - - 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, - ): - """ - 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 - - :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, - )[0] - - def getmask2( - self, - text, - mode="", - fill=_UNSPECIFIED, - direction=None, - features=None, - language=None, - stroke_width=0, - anchor=None, - ink=0, - *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 - - :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 - ) - size = size[0] + stroke_width * 2, size[1] + stroke_width * 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) - self.font.render( - text, im.id, mode, direction, features, language, stroke_width, ink - ) - 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: - raise NotImplementedError("FreeType 2.9.1 or greater is required") 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: - raise NotImplementedError("FreeType 2.9.1 or greater is required") 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: - raise NotImplementedError("FreeType 2.9.1 or greater is required") 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): - raise ValueError( - "text length is undefined for text rotated by 90 or 270 degrees" - ) - 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 - raise OSError("cannot find font file") - - -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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