Merge branch 't82' of github.com:edgarogh/map401 into main

.gitignore

@@ -9,6 +9,7 @@
 /images/*.pbm.contours
 /cr71/
 /cr72/
+/cr82/
 
 .idea
 

comparatif.sh

@@ -0,0 +1,72 @@
+#!/usr/bin/env bash
+
+make contour_of > /dev/null || exit 1
+
+pattern=': ([0-9]+)'
+
+wd=cr82
+
+mkdir $wd > /dev/null 2>&1
+pushd > /dev/null $wd || exit 1
+
+for img in Asterix3 lettre-L-cursive Picasso-ColombesDeLaPaix; do
+  img=$img".pbm"
+  echo "#### \`$img\`"
+  echo
+  ln -sf ../images/$img .
+
+  ss="0 0.5 1 2 4 8 16"
+
+  # Entête du tableau / première ligne
+  echo -n "| Modes \\ d= | "
+  echo -n "$ss" | sed "s/ / | /g"
+  echo " |"
+  echo -n "|---"
+  echo -n "$ss" | sed -E 's/[0-9.]+ ?/|---/g'
+  echo "|"
+
+  # Autres lignes
+  for mode in d b B; do
+    if [ $mode = "d" ]; then
+      echo -n "| **Segments** "
+    elif [ $mode = "b" ]; then
+      echo -n "| **Bezier 2** "
+    elif [ $mode = "B" ]; then
+      echo -n "| **Bezier 3** "
+    else
+      exit 1 # Inatteignable normalement
+    fi
+
+    for thresh in $ss; do
+      if [ $img = "Asterix3.pbm" ] && [[ "1 2 4 8" =~ $thresh ]]; then
+        ../contour_of $img "-$mode" "$thresh" -3 > /dev/null
+        final_png="$img-$mode-$thresh.png"
+        gs -dSAFER -dBATCH -dNOPAUSE -dEPSCrop -r600 -sDEVICE=png16m -sOutputFile="$final_png" "$img-mode3.eps" > /dev/null
+
+        if [ $mode = d ]; then
+          color=Khaki
+        elif [ $mode = b ]; then
+          color=Plum
+        elif [ $mode = B ]; then
+          color=Violet
+        fi
+
+        convert "$final_png" -resize 400x400 \
+            -colorspace RGB \
+            -background $color label:"mode=$mode seuil=$thresh" -gravity Center -append \
+            png:- | sponge "$final_png"
+      fi
+
+      out=$(../contour_of $img "-$mode" "$thresh" -c)
+      if [[ $out =~ $pattern ]]; then
+        echo -n "| ${BASH_REMATCH[1]} "
+      else
+        echo -n "| $out "
+      fi
+    done
+    echo "|"
+  done
+  echo
+done
+
+popd > /dev/null || exit 1