ring: Store cell attributes together in an uint32_t

Instead of using a bitfield, use an uint32_t and set/get
the values manually. This allows to check for multiple
values at once with just one operation instead of
checking each bitfield member separately.,

1 files changed, 85 insertions, 0 deletions

diff --git a/perf/deco.sh b/perf/deco.sh
new file mode 100755
index 00000000..bce86e28
--- /dev/null
+++ b/perf/deco.sh
@@ -0,0 +1,85 @@
+#!/usr/bin/env bash
+
+# Test deco color support
+# Copyright © 2014 Egmont Koblinger
+# Copyright © 2018 Christian Persch
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License along
+# with this program; if not, write to the Free Software Foundation, Inc.,
+# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+
+sep=":"
+sepsep="::"
+if [ "$1" = "-colon" -o "$1" = "-official" -o "$1" = "-dejure" ]; then
+  shift
+elif [ "$1" = "-semicolon" -o "$1" = "-common" -o "$1" = "-defacto" ]; then
+    sep=";"
+    sepsep=";" # no empty param for legacy format
+  shift
+fi
+
+if [ $# != 0 ]; then
+  echo 'Usage: deco.sh [FORMAT]' >&2
+  echo >&2
+  echo '  -colon|-official|-dejure:     Official format (default)  CSI 58:2::R:G:Bm' >&2
+  echo '  -semicolon|-common|-defacto:  Commonly used format       CSI 58;2;R;G;Bm' >&2
+  exit 1
+fi
+
+row() {
+    local format="$1"
+    local n="$2"
+    local v;
+    for m in 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15; do
+	v=$(($n * 16 + $m))
+	printf "\e[${format};4m%02X\e[0m%.0s%.0s%.0s" 38 $v $v $v $v $v $v
+    done
+    printf "\t"
+    for m in 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15; do
+	v=$(($n * 16 + $m))
+	printf "\e[${format};4m%02X\e[0m%.0s%.0s%.0s" 48 $v $v $v $v $v $v
+    done
+    printf "\n"
+}
+
+cubes() {
+    local format1="$1"
+    local format2="$2"
+    local format="%d${sep}2${sepsep}${format1};58${sep}2${sepsep}${format2}"
+    for n in 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15; do
+	row "$format" $n
+    done
+}
+
+printf "\e[0m"
+cubes "%d${sep}0${sep}0" "%d${sep}0${sep}0"
+printf "\n"
+cubes "0${sep}%d${sep}0" "0${sep}%d${sep}0"
+printf "\n"
+cubes "0${sep}0${sep}%d" "0${sep}0${sep}%d"
+printf "\n"
+cubes "%d${sep}0${sep}0" "0${sep}%d${sep}0"
+printf "\n"
+cubes "%d${sep}0${sep}0" "0${sep}0${sep}%d"
+printf "\n"
+cubes "0${sep}%d${sep}0" "%d${sep}0${sep}0"
+printf "\n"
+cubes "0${sep}%d${sep}0" "0${sep}0${sep}%d"
+printf "\n"
+cubes "0${sep}0${sep}%d" "%d${sep}0${sep}0"
+printf "\n"
+cubes "0${sep}0${sep}%d" "0${sep}%d${sep}0"
+printf "\n"
+printf "\e[0m"
+
+exit 0