add option to not post-process pictures

photos2pdf

@@ -48,7 +48,7 @@ sigmoidal_contrast="45,50%"
 posterize=6
 
 # Keep intermediate images after processing
-keep_tmpfiles=true
+keep_tmpfiles=false
 
 # Paper size of all pages
 paper="a4paper"
@@ -111,8 +111,14 @@ Arguments
 ---------
 * `DIR`: Directory containing the original photos.
 
-Options
--------
+General Options
+---------------
+* `--help`:                     Print this message and exit.
+* `--direct`:                   Do not perform post-processing; use
+                                original image.
+
+Post-Processing Options
+-----------------------
 * `--simplify INT`:             Before morphology analysis, reduce
                                 image dimensions by this factor
                                 (default: 2).
@@ -148,6 +154,7 @@ EOF
 ##
 # Arguments
 
+direct=false
 i=1
 options_done=false
 
@@ -160,6 +167,11 @@ while [[ $i -le $# ]] ; do
                 print_help
                 exit 0
             ;;
+            --direct)
+                direct=true
+                i=$((i+1))
+                continue
+            ;;
             --simplify| \
             --morphology| \
             --morphology-shape| \
@@ -262,7 +274,15 @@ if [[ $rv -ne 0 ]] ; then
     error "One or more errors during input file naming; aborted." "$rv"
 fi
 
-for jpg in "$indir/"*.jpg ; do
+if "$direct" ; then
+    for jpg in "$indir/"*.jpg ; do
+        base=$(basename "$jpg" .jpg)
+        out="$outdir/$base.png"
+        info "Resizing $jpg to $out ..."
+        convert -resize 1024 -dither Riemersma -colors 24 "$jpg" "$out"
+    done
+else
+    for jpg in "$indir/"*.jpg ; do
         base=$(basename "$jpg" .jpg)
         tmp1="$tmpdir/$base.tmp1.png"
         tmp2="$tmpdir/$base.tmp2.png"
@@ -372,7 +392,8 @@ for jpg in "$indir/"*.jpg ; do
             rv=1
             continue
         fi
-done
+    done
+fi # !direct
 
 if [[ $rv -ne 0 ]] ; then
     error "One or more errors during image conversion; aborted." "$rv"
@@ -437,13 +458,15 @@ while read -r pdf ; do
     input+=("$pdf")
 done < <(ls -- "$tmpdir/"*.backdropped.pdf)
 
+result_pdf=$(readlink -f "$result_filename")
+
 if ! \
     qpdf \
         --empty \
         --pages "${input[@]}" \
-        -- "$result_filename"
+        -- "$result_pdf"
 then
-    warning "Could not concatenate \"$result_filename\"."
+    warning "Could not concatenate \"$result_pdf\"."
     rv=1
 elif ! "$keep_tmpfiles" ; then
     if ! rm -f -- "$tmp_base" ; then