From dd2db3ad3dfdd3bb74775b87701c28e0b923da72 Mon Sep 17 00:00:00 2001
From: Jonas Smedegaard <dr@jones.dk>
Date: Fri, 5 Jan 2024 03:28:36 +0100
Subject: rename localpdf2pdfscreen -> localpdf2ps2pdf, optimize for consumer
 print by default, and improve help output

---
 localpdf2pdfscreen | 88 --------------------------------------------------
 localpdf2ps2pdf    | 95 ++++++++++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 95 insertions(+), 88 deletions(-)
 delete mode 100755 localpdf2pdfscreen
 create mode 100755 localpdf2ps2pdf

diff --git a/localpdf2pdfscreen b/localpdf2pdfscreen
deleted file mode 100755
index e2c4d02..0000000
--- a/localpdf2pdfscreen
+++ /dev/null
@@ -1,88 +0,0 @@
-#!/bin/sh
-#
-# /usr/local/bin/localpdf2pdfscreen
-# Copyright 2008 Jonas Smedegaard <dr@jones.dk>
-#
-# $Id: localpdf2pdfscreen,v 1.5 2008-03-17 13:39:17 jonas Exp $
-#
-# Downsize PDF file.
-#
-
-set -e
-
-PRG="$(basename "$0")"
-
-# Default options
-PDFTOPSOPTS="-preload -paper match"
-PS2PDFOPTS="-dPDFSETTINGS=/screen"
-
-showhelp() {
-	cat <<EOF
-Usage:   $PRG INFILE [ OUTFILE ] [ pdftops opts ] [ -- ps2pdf opts ]
-
-Defaults:
-    OUTFILE:  INFILE with trailing ".pdf" replaced with "_lowres.pdf".
-    pdftops:  $PDFTOPSOPTS
-    ps2pdf:   $PS2PDFOPTS
-
-Examples:
-    $PRG newspaper.pdf newspaper_screenready.pdf
-    $PRG newspaper.pdf -level3
-
-EOF
-}
-
-exit1() {
-	echo >&2 "ERROR: $1"
-	exit 1
-}
-
-[ $# -gt 0 ] || exit1 "Input file missing"
-
-infile=
-outfile=
-pdftopsopts=
-pstopdfopts=
-while [ $# -gt 0 ]; do
-	case $1 in
-		-h|--help)
-			showhelp
-			exit 0
-			;;
-		--)
-			shift
-			break
-			;;
-		-*)
-			pdftopsopts="$pdftopsopts $1"
-			shift
-			;;
-		*)
-			if [ -z "$infile" ]; then
-				infile="$1"
-			elif [ -z "$outfile" ]; then
-				outfile="$1"
-			else
-				exit1 "Too many parameters"
-			fi
-			shift
-			;;
-	esac
-done
-ps2pdfopts="$@"
-
-# Use defaults if not overridden
-outfile="${outfile:-$(basename "$infile" .pdf)_lowres.pdf}"
-pdftopsopts="${pdftopsopts:-$PDFTOPSOPTS}"
-ps2pdfopts="${ps2pdfopts:-$PS2PDFOPTS}"
-
-[ ! -e "$outfile" ] || exit1 "Output file already exists"
-
-tmpfile=$(mktemp -t "$PRG.XXXXXXXXXX") || exit 1
-
-pdftops $pdftopsopts "$infile" "$tmpfile" || rm "$tmpfile"
-ps2pdf $ps2pdfopts "$tmpfile" "$outfile"
-
-rm "$tmpfile"
-
-exit 0
diff --git a/localpdf2ps2pdf b/localpdf2ps2pdf
new file mode 100755
index 0000000..686d000
--- /dev/null
+++ b/localpdf2ps2pdf
@@ -0,0 +1,95 @@
+#!/bin/sh
+#
+# /usr/local/bin/localpdf2ps2pdf
+# Copyright 2008-2023  Jonas Smedegaard <dr@jones.dk>
+#
+# Refry PDF file.
+#
+
+set -e
+
+PRG="$(basename "$0")"
+
+# Default options
+PDFTOPSOPTS="-preload -paper match"
+PS2PDFOPTS="-dDownsampleColorImages=true -dColorImageResolution=150"
+
+showhelp() {
+	cat <<EOF
+Usage:   $PRG INFILE [ OUTFILE ] [ pdftops opts ] [ -- ps2pdf opts ]
+
+Defaults:
+    OUTFILE:  INFILE with trailing ".pdf" replaced with "_lowres.pdf".
+    pdftops:  $PDFTOPSOPTS
+    ps2pdf:   $PS2PDFOPTS
+
+Examples:
+    $PRG file.pdf -f 7 -l 9
+    $PRG file.pdf -- -dPDFA -dPDFACompatibilityPolicy=1
+    $PRG file.pdf -- -dPDFSETTINGS=/screen
+    $PRG file.pdf -level3 -- -dPDFSETTINGS=/prepress
+
+First example above picks pages 7-9.
+Second example above reduces PDF complexity.
+Third example reduces image size for screen-only use.
+Fourth example preserves complexity and image size for professional use.
+
+Defaults reduce file size for 300 DPI color print use.
+
+EOF
+}
+
+exit1() {
+	echo >&2 "ERROR: $1"
+	exit 1
+}
+
+[ $# -gt 0 ] || exit1 "Input file missing"
+
+infile=
+outfile=
+pdftopsopts=
+pstopdfopts=
+while [ $# -gt 0 ]; do
+	case $1 in
+		-h|--help)
+			showhelp
+			exit 0
+			;;
+		--)
+			shift
+			break
+			;;
+		-*)
+			pdftopsopts="$pdftopsopts $1"
+			shift
+			;;
+		*)
+			if [ -z "$infile" ]; then
+				infile="$1"
+			elif [ -z "$outfile" ]; then
+				outfile="$1"
+			else
+				exit1 "Too many parameters"
+			fi
+			shift
+			;;
+	esac
+done
+ps2pdfopts="$@"
+
+# Use defaults if not overridden
+outfile="${outfile:-$(basename "$infile" .pdf)_lowres.pdf}"
+pdftopsopts="${pdftopsopts:-$PDFTOPSOPTS}"
+ps2pdfopts="${ps2pdfopts:-$PS2PDFOPTS}"
+
+[ ! -e "$outfile" ] || exit1 "Output file already exists"
+
+tmpfile=$(mktemp -t "$PRG.XXXXXXXXXX") || exit 1
+
+pdftops $pdftopsopts "$infile" "$tmpfile" || rm "$tmpfile"
+ps2pdf $ps2pdfopts "$tmpfile" "$outfile"
+
+rm "$tmpfile"
+
+exit 0
-- 
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