Fixed database typo and removed unnecessary class identifier.

venv/Lib/site-packages/matplotlib/_text_layout.py

@@ -0,0 +1,38 @@
+"""
+Text layouting utilities.
+"""
+
+from .ft2font import KERNING_DEFAULT, LOAD_NO_HINTING
+
+
+def layout(string, font, *, kern_mode=KERNING_DEFAULT):
+    """
+    Render *string* with *font*.  For each character in *string*, yield a
+    (glyph-index, x-position) pair.  When such a pair is yielded, the font's
+    glyph is set to the corresponding character.
+
+    Parameters
+    ----------
+    string : str
+        The string to be rendered.
+    font : FT2Font
+        The font.
+    kern_mode : int
+        A FreeType kerning mode.
+
+    Yields
+    ------
+    glyph_index : int
+    x_position : float
+    """
+    x = 0
+    last_glyph_idx = None
+    for char in string:
+        glyph_idx = font.get_char_index(ord(char))
+        kern = (font.get_kerning(last_glyph_idx, glyph_idx, kern_mode)
+                if last_glyph_idx is not None else 0) / 64
+        x += kern
+        glyph = font.load_glyph(glyph_idx, flags=LOAD_NO_HINTING)
+        yield glyph_idx, x
+        x += glyph.linearHoriAdvance / 65536
+        last_glyph_idx = glyph_idx