diverses hinzu

dvdauthor_helperfunctions.sh

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+#!/bin/sh
+#
+# (P) & (C) 2003 by Dr. Peter Bieringer <pb at bieringer dot de>
+#
+# Original site of publishing:
+#  ftp://ftp.bieringer.de/pub/linux/dvd/dvdauthor-addons/
+#
+# License: GPLv2
+#
+# Requires:
+#  - gozer, imlib2, netpbm-progs
+#
+# ChangeLog
+# 20030510/PB: initial creation
+# 20030511/PB: import info function
+
+. ~/.vdrconvert/vdrconvert.env
+
+##### Functions ######
+
+# Put text into a bitmap
+put_text() {
+	local file="$1"; shift
+	if [ ! -z "$PATH_FONTS" -a ! -z "$DVD_USE_FONT" ]
+	then
+		local font="$1"
+		shift
+	fi
+	local color_bg="$1"; shift
+	local color_fg="$1"; shift
+	local loc_x="$1"; shift
+	local loc_y="$1"; shift
+	local text="$1"; shift
+	local rest="$*"
+
+	local tmp_png="tmp-txt.png"
+	local tmp_pnm="tmp-txt.pnm"
+	local tmp_alphapnm="tmp-txt.alpha.pnm"
+	local tmp_output="tmp-output.pnm"
+	if [ ! -w "." ]; then
+		echo "ERR(put_text): file not writable: $file"
+		return 1
+	fi
+
+	[ ! -z "$RECODE" ] && rtext="`echo $text | $RECODE`" || rtext=$text
+	if [ -z "$PATH_FONTS" -o -z "$DVD_USE_FONT" ]
+	then
+	#set -x
+	    gozer --background $color_bg --foreground $color_fg --text "$rtext" $rest $tmp_png
+	else
+	    gozer --fontpath $PATH_FONTS --font $font --background $color_bg --foreground $color_fg --text "$rtext" $rest $tmp_png
+	#set +x
+	fi
+	
+	pngtopnm $tmp_png >$tmp_pnm
+	pngtopnm -alpha $tmp_png >$tmp_alphapnm
+
+	pnmcomp -xoff=$loc_x -yoff=$loc_y -alpha=$tmp_alphapnm $tmp_pnm $file >$tmp_output
+	mv $tmp_output $file
+
+	rm -f $tmp_png $tmp_pnm $tmp_alphapnm $tmp_output
+}
+
+# Put a bitmap file into another bitmap file
+put_file() {
+	local file=$1
+	local loc_x=$2
+	local loc_y=$3
+	local file2=$4
+
+	local tmp_pnm="tmp-txt.pnm"
+
+	if [ ! -w "." ]; then
+		echo "ERR(put_file): file not writable: $file"
+		return 1
+	fi
+	if [ ! -r "$file2" ]; then
+		echo "ERR(put_file): file not readable: $file2"
+		return 1
+	fi
+
+	pnmcomp -xoff=$loc_x -yoff=$loc_y $file2 $file >$tmp_pnm
+	mv $tmp_pnm $file
+
+	rm -f $tmp_pnm
+}