Merge pull request #5410 from mdboom/get-charmap-removal

MNT: Remove uses of font.get_charmap Conflicts: lib/matplotlib/tests/test_font_manager.py Conflicts with merging the tests, resloved to add only relavent code.
matplotlib · WeatherGod · Nov 5, 2015 · Nov 5, 2015 · Nov 5, 2015 · c9fbfab5d06fbaf583afe32cc63df924631304fd
commit c9fbfab5d06fbaf583afe32cc63df924631304fd
diff --git a/examples/misc/ftface_props.py b/examples/misc/ftface_props.py
@@ -63,5 +63,4 @@
 
 print(dir(font))
 
-cmap = font.get_charmap()
 print(font.get_kerning)
diff --git a/lib/matplotlib/_mathtext_data.py b/lib/matplotlib/_mathtext_data.py
@@ -1,8 +1,6 @@
 """
 font data tables for truetype and afm computer modern fonts
 """
-# this dict maps symbol names to fontnames, glyphindex.  To get the
-# glyph index from the character code, you have to use get_charmap
 from __future__ import (absolute_import, division, print_function,
                         unicode_literals)
 

diff --git a/lib/matplotlib/backends/backend_pdf.py b/lib/matplotlib/backends/backend_pdf.py
@@ -883,13 +883,12 @@ def get_char_width(charcode):
             # Make the "Differences" array, sort the ccodes < 255 from
             # the multi-byte ccodes, and build the whole set of glyph ids
             # that we need from this font.
-            cmap = font.get_charmap()
             glyph_ids = []
             differences = []
             multi_byte_chars = set()
             for c in characters:
                 ccode = c
-                gind = cmap.get(ccode) or 0
+                gind = font.get_char_index(ccode)
                 glyph_ids.append(gind)
                 glyph_name = font.get_glyph_name(gind)
                 if ccode <= 255:
@@ -999,12 +998,11 @@ def embedTTFType42(font, characters, descriptor):
             # Make the 'W' (Widths) array, CidToGidMap and ToUnicode CMap
             # at the same time
             cid_to_gid_map = ['\u0000'] * 65536
-            cmap = font.get_charmap()
             widths = []
             max_ccode = 0
             for c in characters:
                 ccode = c
-                gind = cmap.get(ccode) or 0
+                gind = font.get_char_index(ccode)
                 glyph = font.load_char(ccode, flags=LOAD_NO_HINTING)
                 widths.append((ccode, glyph.horiAdvance / 6))
                 if ccode < 65536:
@@ -2011,7 +2009,6 @@ def draw_text_woven(chunks):
             between chunks of 1-byte characters and 2-byte characters.
             Only used for Type 3 fonts."""
             chunks = [(a, ''.join(b)) for a, b in chunks]
-            cmap = font.get_charmap()
 
             # Do the rotation and global translation as a single matrix
             # concatenation up front
@@ -2041,7 +2038,7 @@ def draw_text_woven(chunks):
                     lastgind = None
                     for c in chunk:
                         ccode = ord(c)
-                        gind = cmap.get(ccode)
+                        gind = font.get_char_index(ccode)
                         if gind is not None:
                             if mode == 2 and chunk_type == 2:
                                 glyph_name = font.get_glyph_name(gind)

diff --git a/lib/matplotlib/backends/backend_ps.py b/lib/matplotlib/backends/backend_ps.py
@@ -762,15 +762,14 @@ def draw_text(self, gc, x, y, s, prop, angle, ismath=False, mtext=None):
             ps_name = ps_name.encode('ascii', 'replace').decode('ascii')
             self.set_font(ps_name, prop.get_size_in_points())
 
-            cmap = font.get_charmap()
             lastgind = None
             #print 'text', s
             lines = []
             thisx = 0
             thisy = 0
             for c in s:
                 ccode = ord(c)
-                gind = cmap.get(ccode)
+                gind = font.get_char_index(ccode)
                 if gind is None:
                     ccode = ord('?')
                     name = '.notdef'
@@ -1138,10 +1137,9 @@ def print_figure_impl():
                 for font_filename, chars in six.itervalues(ps_renderer.used_characters):
                     if len(chars):
                         font = get_font(font_filename)
-                        cmap = font.get_charmap()
                         glyph_ids = []
                         for c in chars:
-                            gind = cmap.get(c) or 0
+                            gind = font.get_char_index(c)
                             glyph_ids.append(gind)
 
                         fonttype = rcParams['ps.fonttype']

diff --git a/lib/matplotlib/tests/test_font_manager.py b/lib/matplotlib/tests/test_font_manager.py
@@ -6,7 +6,7 @@
 
 import os
 
-from matplotlib.font_manager import findfont, FontProperties
+from matplotlib.font_manager import (findfont, FontProperties, get_font)
 from matplotlib import rc_context
 
 
@@ -17,3 +17,9 @@ def test_font_priority():
         font = findfont(
             FontProperties(family=["sans-serif"]))
     assert_equal(os.path.basename(font), 'cmmi10.ttf')
+
+    # Smoketest get_charmap, which isn't used internally anymore
+    font = get_font(font)
+    cmap = font.get_charmap()
+    assert len(cmap) == 131
+    assert cmap[8729] == 30
diff --git a/lib/matplotlib/textpath.py b/lib/matplotlib/textpath.py
@@ -173,7 +173,6 @@ def get_glyphs_with_font(self, font, s, glyph_map=None,
 
         # Mostly copied from backend_svg.py.
 
-        cmap = font.get_charmap()
         lastgind = None
 
         currx = 0
@@ -192,7 +191,7 @@ def get_glyphs_with_font(self, font, s, glyph_map=None,
 
         for c in s:
             ccode = ord(c)
-            gind = cmap.get(ccode)
+            gind = font.get_char_index(ccode)
             if gind is None:
                 ccode = ord('?')
                 gind = 0