mirror of
https://github.com/processone/ejabberd.git
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88 lines
2.1 KiB
Bash
88 lines
2.1 KiB
Bash
#!/bin/sh
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INPUT=$1
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if test -n ${BASH_VERSION:-''} ; then
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get_random ()
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{
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R=$RANDOM
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}
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else
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for n in `od -A n -t u2 -N 48 /dev/urandom`; do RL="$RL$n "; done
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get_random ()
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{
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R=${RL%% *}
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RL=${RL#* }
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}
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fi
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get_random
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WAVE1_AMPLITUDE=$((2 + $R % 5))
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get_random
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WAVE1_LENGTH=$((50 + $R % 25))
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get_random
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WAVE2_AMPLITUDE=$((2 + $R % 5))
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get_random
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WAVE2_LENGTH=$((50 + $R % 25))
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get_random
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WAVE3_AMPLITUDE=$((2 + $R % 5))
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get_random
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WAVE3_LENGTH=$((50 + $R % 25))
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get_random
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W1_LINE_START_Y=$((10 + $R % 40))
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get_random
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W1_LINE_STOP_Y=$((10 + $R % 40))
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get_random
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W2_LINE_START_Y=$((10 + $R % 40))
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get_random
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W2_LINE_STOP_Y=$((10 + $R % 40))
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get_random
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W3_LINE_START_Y=$((10 + $R % 40))
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get_random
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W3_LINE_STOP_Y=$((10 + $R % 40))
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get_random
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B1_LINE_START_Y=$(($R % 40))
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get_random
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B1_LINE_STOP_Y=$(($R % 40))
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get_random
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B2_LINE_START_Y=$(($R % 40))
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get_random
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B2_LINE_STOP_Y=$(($R % 40))
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#B3_LINE_START_Y=$(($R % 40))
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#B3_LINE_STOP_Y=$(($R % 40))
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get_random
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B1_LINE_START_X=$(($R % 20))
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get_random
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B1_LINE_STOP_X=$((100 + $R % 40))
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get_random
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B2_LINE_START_X=$(($R % 20))
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get_random
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B2_LINE_STOP_X=$((100 + $R % 40))
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#B3_LINE_START_X=$(($R % 20))
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#B3_LINE_STOP_X=$((100 + $R % 40))
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get_random
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ROLL_X=$(($R % 40))
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convert -size 180x60 xc:none -pointsize 40 \
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\( -clone 0 -fill white \
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-stroke black -strokewidth 4 -annotate +0+40 "$INPUT" \
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-stroke white -strokewidth 2 -annotate +0+40 "$INPUT" \
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-roll +$ROLL_X+0 \
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-wave "$WAVE1_AMPLITUDE"x"$WAVE1_LENGTH" \
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-roll -$ROLL_X+0 \) \
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\( -clone 0 -stroke black \
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-strokewidth 1 -draw \
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"line $B1_LINE_START_X,$B1_LINE_START_Y $B1_LINE_STOP_X,$B1_LINE_STOP_Y" \
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-strokewidth 1 -draw \
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"line $B2_LINE_START_X,$B2_LINE_START_Y $B2_LINE_STOP_X,$B2_LINE_STOP_Y" \
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-wave "$WAVE2_AMPLITUDE"x"$WAVE2_LENGTH" \) \
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\( -clone 0 -stroke white \
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-strokewidth 2 -draw "line 0,$W1_LINE_START_Y 140,$W1_LINE_STOP_Y" \
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-strokewidth 2 -draw "line 0,$W2_LINE_START_Y 140,$W2_LINE_STOP_Y" \
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-strokewidth 2 -draw "line 0,$W3_LINE_START_Y 140,$W3_LINE_STOP_Y" \
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-wave "$WAVE3_AMPLITUDE"x"$WAVE3_LENGTH" \) \
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-flatten -crop 140x60 +repage -quality 90 -depth 8 png:-
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