Added LCD characters and script for generating screen images.

doc/bin/gen_lcd_screen.sh

@@ -0,0 +1,68 @@
+#!/bin/bash
+
+line[0]=$1
+line[1]=$2
+
+COLOR="green"
+IMG_PATH="./images"
+CHAR_PATH="${IMG_PATH}/LCD_characters_${COLOR}"
+
+if [ ! -e ${IMG_PATH} ]
+then
+	echo "Cannot find path for images \"${IMG_PATH}\""
+	exit 10
+fi
+
+if [ ! -e ${CHAR_PATH} ]
+then
+	echo "Cannot find path for character-images \"${CHAR_PATH}\""
+	exit 11
+fi
+
+cp "${IMG_PATH}/LCD_${COLOR}.png" /tmp/LCD_$$.png
+
+special_flag="false"
+for (( n=0; n<2; n++ ))
+do
+	y=$( bc -l <<<"50 + $n * 50" )
+	xpos=0
+	for (( i=0; i<${#line[$n]}; i++ ))
+	do
+		c=${line[${n}]:${i}:1}
+		if [[ "${c}" == "%" ]]
+		then
+			if [[ "${special_flag}" == "false" ]]
+			then
+				special_flag="true"
+				special=""
+				continue
+			else
+				special_flag="false"
+				if [ ! -e "${CHAR_PATH}/${special}.png" ]
+				then
+					echo "Cannot find \"${CHAR_PATH}/${special}.png\"."
+					c=" "
+				else
+					c=${special}
+				fi
+			fi
+		fi
+		if [[ "${special_flag}" == "true" ]]
+		then
+			special="${special}${c}"
+			continue
+		fi
+		xpos=$((xpos + 1))
+		if [[ "${c}" != " " ]]
+		then
+			if [[ ${c} == "." ]]
+			then
+				c="dot"
+			fi
+			x=$( bc -l <<<"230 + ${xpos} * 30" )
+			composite -gravity NorthWest -geometry "+${x}+${y}" "${CHAR_PATH}/${c}.png" /tmp/LCD_$$.png /tmp/LCD_$$.png 
+		fi
+	done
+done
+
+mv /tmp/LCD_$$.png /tmp/LCD.png

doc/images/LCD_characters_green/full_bar_l0.png

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+blank.png

doc/images/LCD_characters_green/full_bar_l5.png

@@ -0,0 +1 @@
+block.png

doc/images/LCD_characters_green/full_bar_r0.png

@@ -0,0 +1 @@
+blank.png

doc/images/LCD_characters_green/full_bar_r5.png

@@ -0,0 +1 @@
+block.png