test/shape/record-test.sh

   1 #!/bin/bash
   2
   3 dir=`mktemp -d`
   4
   5 if which sha1sum 2>/dev/null >/dev/null; then
   6         SHA1SUM=sha1sum
   7 elif which shasum 2>/dev/null >/dev/null; then
   8         SHA1SUM='shasum -a 1'
   9 elif which digest 2>/dev/null >/dev/null; then
  10         SHA1SUM='digest -a sha1'
  11 else
  12         echo "'sha1sum' not found"
  13         exit 2
  14 fi
  15
  16 out=/dev/stdout
  17 if test "x$1" == 'x-o'; then
  18         shift
  19         out=$1
  20         shift
  21 fi
  22 hb_subset=$1
  23 shift
  24 hb_shape=$1
  25 shift
  26 fontfile=$1
  27 if test "x${fontfile:0:1}" == 'x-'; then
  28         echo "Specify font file before other options." >&2
  29         exit 1
  30 fi
  31 shift
  32 if ! echo "$hb_subset" | grep -q 'subset'; then
  33         echo "Specify hb-subset (or \"fonttools subset\"): got '$hb_subset'." >&2
  34         exit 1
  35 fi
  36 if ! echo "$hb_shape" | grep -q 'hb-shape'; then
  37         echo "Specify hb-shape (not hb-view, etc): got '$hb_shape'." >&2
  38         exit 1
  39 fi
  40 options=
  41 have_text=false
  42 for arg in "$@"; do
  43         if test "x${arg:0:1}" == 'x-'; then
  44                 if echo "$arg" | grep -q ' '; then
  45                         echo "Space in argument is not supported: '$arg'." >&2
  46                         exit 1
  47                 fi
  48                 options="$options${options:+ }$arg"
  49                 continue
  50         fi
  51         if $have_text; then
  52                 echo "Too many arguments found...  Use '=' notation for options: '$arg'" >&2
  53                 exit 1;
  54         fi
  55         text="$arg"
  56         have_text=true
  57 done
  58 if ! $have_text; then
  59         text=`cat`
  60 fi
  61 unicodes=`echo "$text" | ./hb-unicode-decode`
  62 glyphs=`echo "$text" | $hb_shape $options "$fontfile"`
  63 if test $? != 0; then
  64         echo "hb-shape failed." >&2
  65         exit 2
  66 fi
  67 glyph_ids=`echo "$text" | $hb_shape $options --no-glyph-names --no-clusters --no-positions "$fontfile" | sed 's/[][]//g; s/|/,/g'`
  68
  69 cp "$fontfile" "$dir/font.ttf"
  70 echo $hb_subset \
  71         --glyph-names \
  72         --no-hinting \
  73         --layout-features='*' \
  74         --gids="$glyph_ids" \
  75         --text="$text" \
  76         --output-file="$dir/font.subset.ttf" \
  77         "$dir/font.ttf"
  78 $hb_subset \
  79         --glyph-names \
  80         --no-hinting \
  81         --layout-features='*' \
  82         --gids="$glyph_ids" \
  83         --text="$text" \
  84         --output-file="$dir/font.subset.ttf" \
  85         "$dir/font.ttf"
  86 if ! test -s "$dir/font.subset.ttf"; then
  87         echo "Subsetter didn't produce nonempty subset font in $dir/font.subset.ttf" >&2
  88         exit 2
  89 fi
  90
  91 # Verify that subset font produces same glyphs!
  92 glyphs_subset=`echo "$text" | $hb_shape $options "$dir/font.subset.ttf"`
  93
  94 if ! test "x$glyphs" = "x$glyphs_subset"; then
  95         echo "Subset font produced different glyphs!" >&2
  96         echo "Perhaps font doesn't have glyph names; checking visually..." >&2
  97         hb_view=${hb_shape/shape/view}
  98         echo "$text" | $hb_view $options "$dir/font.ttf" --output-format=png --output-file="$dir/orig.png"
  99         echo "$text" | $hb_view $options "$dir/font.subset.ttf" --output-format=png --output-file="$dir/subset.png"
 100         if ! cmp "$dir/orig.png" "$dir/subset.png"; then
 101                 echo "Images differ.  Please inspect $dir/*.png." >&2
 102                 echo "$glyphs" >> "$out"
 103                 echo "$glyphs_subset" >> "$out"
 104                 exit 2
 105         fi
 106         echo "Yep; all good." >&2
 107         rm -f "$dir/orig.png"
 108         rm -f "$dir/subset.png"
 109         glyphs=$glyphs_subset
 110 fi
 111
 112 sha1sum=`$SHA1SUM "$dir/font.subset.ttf" | cut -d' ' -f1`
 113 subset="data/in-house/fonts/$sha1sum.ttf"
 114 mv "$dir/font.subset.ttf" "$subset"
 115
 116 # There ought to be an easier way to do this, but it escapes me...
 117 unicodes_file=`mktemp`
 118 glyphs_file=`mktemp`
 119 echo "$unicodes" > "$unicodes_file"
 120 echo "$glyphs" > "$glyphs_file"
 121 # Open the "file"s
 122 exec 3<"$unicodes_file"
 123 exec 4<"$glyphs_file"
 124 relative_subset="$subset"
 125 if test "$out" != "/dev/stdout"; then
 126         relative_subset="$(/usr/bin/env python3 -c 'import os, sys; print (os.path.relpath (sys.argv[1], sys.argv[2]))' "$subset" "$(dirname "$out")")"
 127 fi
 128 while read uline <&3 && read gline <&4; do
 129         echo "$relative_subset;$options;$uline;$gline" >> "$out"
 130 done
 131
 132
 133 rm -f "$dir/font.ttf"
 134 rmdir "$dir"