From 75efbf87ea3f7b4ba4a557ba016ff8cc4a4c703f Mon Sep 17 00:00:00 2001
From: Hugo Villeneuve <hugo@hugovil.com>
Date: Fri, 6 Oct 2023 16:15:55 -0400
Subject: [PATCH] Extract scene number in IM identify tool

---
 fgen.sh | 29 +++++++++++++++++------------
 1 file changed, 17 insertions(+), 12 deletions(-)

diff --git a/fgen.sh b/fgen.sh
index ea04217..8de4036 100755
--- a/fgen.sh
+++ b/fgen.sh
@@ -43,13 +43,13 @@ function get_size()
 # Arg1: layer
 function get_pos()
 {
-    cat ${layers} | grep "${1}" | ${SED} "s/.*geometry:[0-9]\+x[0-9]\+\(+[0-9]\+[0-9]\+\)/\1/g"
+    cat ${layers} | grep "${1}" | ${SED} "s/.*geometry:[0-9]\+x[0-9]\+\(+[0-9]\++[0-9]\+\),.*/\1/g"
 }
 
 # Arg1: line
 function get_label()
 {
-    frame=$(echo "${1}" | grep -e "label:.*," | ${SED} "s/label:\(.*\),.*/\1/g")
+    frame=$(echo "${1}" | ${SED} "s/.*label:\(.*\),geometry.*/\1/g")
 
     if [ x"${frame}" = x"" ]; then
         echo ""
@@ -63,7 +63,7 @@ function get_label()
 # Arg1: line
 function get_frame_id()
 {
-    frame=$(echo "${1}" | grep -e "label:[0-9]\+," | ${SED} "s/label:\([0-9]\+\),.*/\1/g")
+    frame=$(echo "${1}" | grep -e "label:[0-9]\+," | ${SED} "s/.*label:\([0-9]\+\),.*/\1/g")
 
     if [ x"${frame}" = x"" ]; then
         echo ""
@@ -72,6 +72,14 @@ function get_frame_id()
     fi
 }
 
+# Arg1: line
+function get_scene_id()
+{
+    local token
+    token=$(echo "${1}" | ${SED} "s/.*scene:\([0-9]\+\),.*/\1/g")
+    echo "${token}"
+}
+
 # Arg1: label
 function is_skip_label()
 {
@@ -156,9 +164,10 @@ for tool in convert composite identify; do
 done
 
 if [ ${trames} -eq 1 ]; then
-    identify ${IM_OPS} -verbose -format "label:%l,geometry:%g\n" ${src} > ${layers}
+    # %s: scene number
+    identify ${IM_OPS} -verbose -format "scene:%s,label:%l,geometry:%g,\n" ${src} > ${layers}
 
-    # Ignore empty labels:
+    # Remove line(s) with empty label:
     ${SED} -i -e /label:,.*/d ${layers}
 
     # Extract global frame size:
@@ -177,21 +186,17 @@ if [ ${trames} -eq 1 ]; then
     # Create background frame:
     convert -size ${size} xc:none ${dest}/background.png
 
-    # Will start at frame 2 at first loop iteration
-    f=1
-
     nf=""
     oldnf=""
     files=""
 
     while read l; do
-        f=$((${f} + 1))
-
+        scene=$(get_scene_id "${l}")
         label=$(get_label "${l}")
         p=$(get_pos "${l}")
         nf=$(get_frame_id "${l}")
 
-        log_dbg "Couche ${f}"
+        log_dbg "Layer ${scene}"
         log_dbg "  nom: ${label}"
         log_dbg "  pos: ${p}"
 
@@ -200,7 +205,7 @@ if [ ${trames} -eq 1 ]; then
             continue
         fi
 
-        files="${files} -page ${p} ${src}[${f}]"
+        files="${files} -page ${p} ${src}[${scene}]"
 
         if [ x"${nf}" != x"" ]; then
             # Only check expected frame if oldnf is set...
-- 
2.20.1