Punktanz. fertig (2)

PUNKT_ANZEIGE-1/createImages

+#!/bin/bash
+#
+# Rolf Niepraschk <Rolf.Niepraschk@ptb.de>, 2017-04-11
+#
+# Erzeugt aus einem leeren Messgeräte-Bild und neun 7-Segment-Bildern
+# neue Messgeräte-Bilder 
+#
+# Parameter1 = Anzahl der erzeugten Bilddateien
+#
+# Parameter2 = Anzahl der Einzelziffern
+
+MAIN="PUNKT_ANZEIGE-1" # device name
+IMAGE_DIR=./images
+MAX_DIGITS=8 # do not edit!
+MAX_FILES=10 # do not edit!
+NUMBER_OF_DIGITS=$MAX_DIGITS
+
+SHOW_EXP=true
+
+if [ -n "$1" ]; then
+  MAX_FILES=$1
+  if [ -n "$2" ]; then
+    SHOW_EXP=false
+    NUMBER_OF_DIGITS=$2
+  fi  
+fi
+
+if (( $NUMBER_OF_DIGITS > $MAX_DIGITS )); then
+  NUMBER_OF_DIGITS=$MAX_DIGITS
+else 
+  if (( $NUMBER_OF_DIGITS < 1 )); then
+    NUMBER_OF_DIGITS=1
+  fi
+fi
+
+rm -rf "$IMAGE_DIR"
+mkdir -p "$IMAGE_DIR" 
+
+dotFile='dot.png'
+plusFile='plus.png'
+minusFile='minus.png'
+emptyCanvas='xc:transparent'
+
+digitFile[0]='digit-0.png'
+digitFile[1]='digit-1.png'
+digitFile[2]='digit-2.png'
+digitFile[3]='digit-3.png'
+digitFile[4]='digit-4.png'
+digitFile[5]='digit-5.png'
+digitFile[6]='digit-6.png'
+digitFile[7]='digit-7.png'
+digitFile[8]='digit-8.png'
+digitFile[9]='digit-9.png'
+digitFile[10]='dot.png'
+digitFile[11]='plus.png'
+digitFile[12]='minus.png'
+digitFile[13]='empty.png'
+
+NUM2CHAR[0]='0'
+NUM2CHAR[1]='1'
+NUM2CHAR[2]='2'
+NUM2CHAR[3]='3'
+NUM2CHAR[4]='4'
+NUM2CHAR[5]='5'
+NUM2CHAR[6]='6'
+NUM2CHAR[7]='7'
+NUM2CHAR[8]='8'
+NUM2CHAR[9]='9'
+NUM2CHAR[10]='.'
+NUM2CHAR[11]='+'
+NUM2CHAR[12]='-'
+NUM2CHAR[13]='_'
+
+digitPos[1]='+0+193'
+digitPos[2]='+80+193'
+digitPos[3]='+160+193'
+digitPos[4]='+240+193'
+digitPos[5]='+320+193'
+digitPos[6]='+400+193'
+digitPos[7]='+480+193'
+digitPos[8]='+560+193'
+
+dotPos[1]=${digitPos[1]}
+dotPos[2]=${digitPos[2]}
+dotPos[3]=${digitPos[3]}
+dotPos[4]=${digitPos[4]}
+dotPos[5]=${digitPos[5]}
+dotPos[6]=${digitPos[6]}
+dotPos[7]=${digitPos[7]}
+dotPos[8]=${digitPos[8]}
+
+for ((FNb=1; FNb<=MAX_FILES; FNb++)); do
+
+value=""
+for (( i=1; i<=$MAX_DIGITS; i++ )); do
+  if (( $i <= $NUMBER_OF_DIGITS )); then
+    R=$((RANDOM % 14)) # random digit number (0..13='0'..'_')
+    eval DIGIT$i=${digitFile[R]}
+    value+="${NUM2CHAR[R]}"
+  else
+    eval DIGIT$i=$emptyCanvas;
+  fi
+done
+
+fname="$IMAGE_DIR/$MAIN@$value@.png" 
+
+echo -e "$FNb:\t$fname"
+
+convert body.png \
+  $DIGIT1   -geometry ${digitPos[1]}  -composite \
+  $DIGIT2   -geometry ${digitPos[2]}  -composite \
+  $DIGIT3   -geometry ${digitPos[3]}  -composite \
+  $DIGIT4   -geometry ${digitPos[4]}  -composite \
+  $DIGIT5   -geometry ${digitPos[5]}  -composite \
+  $DIGIT6   -geometry ${digitPos[6]}  -composite \
+  $DIGIT7   -geometry ${digitPos[7]}  -composite \
+  $DIGIT8   -geometry ${digitPos[8]}  -composite \
+  $fname
+  
+exiv2 -M"set Exif.Image.ImageDescription value=$value" $fname
+
+done # MAX_FILES
+
+exit
+
+-----------------------------------------------------------------------
+
+Auslesen der Exif-Daten:
+exiv2 -g Exif.Image.ImageDescription -P v ./images/???@???@.png
+--> value=??? 
+
+https://de.dreamstime.com/stock-abbildung-bunte-orange-led-stellte-gegen-digitalen-guss-der-anzeigetafel-ein-image76610111