Added program files
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6fcf8db749
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5 changed files with 288 additions and 0 deletions
6
color_palette.txt
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6
color_palette.txt
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red
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orange
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yellow
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pink
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green
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SaddleBrown
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22
color_palette_dither.sh
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22
color_palette_dither.sh
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#!/bin/sh
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img=$1
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palette=$2
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colors=$(cat $palette)
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COUNTER=1
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magick convert "$img" -fuzz 99% -fill black +opaque white -fill black -opaque white /tmp/img_out_d0.png
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for color in $colors
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do
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echo "Creating image with counter ${COUNTER}."
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./get_color_part.sh "$img" "$color" "7c${COUNTER}"
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magick composite -compose plus \
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"/tmp/img_out_d$((COUNTER-1)).png" \
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"img_out_${color}.png" \
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"/tmp/img_out_d$((COUNTER)).png"
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COUNTER=$((COUNTER+1))
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done
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magick convert "/tmp/img_out_d$((COUNTER-1)).png" img_out_dithered_full.gif
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6
color_palette_sky.txt
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6
color_palette_sky.txt
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RoyalBlue
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blue4
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CornflowerBlue
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pink
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orange
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wheat
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15
get_color_part.sh
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15
get_color_part.sh
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#!/bin/sh
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img=$1
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color=$2
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dither=$3
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magick convert "$img" -fuzz 30% -fill black +opaque "$color" -fill white -opaque "$color" /tmp/img_block.png
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magick convert "$img" -fuzz 1% -fill black +opaque white -fill white -opaque white /tmp/img_white_block.png
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magick composite /tmp/img_block.png -compose add /tmp/img_white_block.png /tmp/img_full_block.png
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magick convert "$img" -fuzz 100% -fill "$color" -opaque "$color" /tmp/img_col.png
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magick composite "$img" -compose difference /tmp/img_col.png /tmp/img_diff.png
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magick convert /tmp/img_diff.png -set colorspace Gray -separate -average -negate /tmp/img_mask.png
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magick composite /tmp/img_mask.png -compose multiply /tmp/img_full_block.png /tmp/img_val.png
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magick convert /tmp/img_val.png -negate -ordered-dither "$dither" -negate /tmp/img_val_dithered.png
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magick composite /tmp/img_val_dithered.png -compose multiply /tmp/img_col.png img_out_"$color".png
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239
thresholds.xml
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239
thresholds.xml
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<?xml version="1.0" encoding="ISO-8859-1"?>
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<!DOCTYPE thresholds [
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<!ELEMENT thresholds (threshold)+>
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<!ATTLIST thresholds xmlns CDATA #FIXED ''>
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<!ELEMENT threshold (description,levels)>
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<!ATTLIST threshold xmlns CDATA #FIXED '' alias NMTOKEN #IMPLIED
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map NMTOKEN #REQUIRED>
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<!ELEMENT description (#PCDATA)>
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<!ATTLIST description xmlns CDATA #FIXED ''>
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<!ELEMENT levels (#PCDATA)>
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<!ATTLIST levels xmlns CDATA #FIXED '' divisor CDATA #REQUIRED
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height CDATA #REQUIRED width CDATA #REQUIRED>
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]>
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<thresholds>
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<threshold map="hlines2x2" alias="hlines2">
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<description>Horizontal lines 2x2</description>
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<levels width="2" height="2" divisor="10">
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3 3
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9 9
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</levels>
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</threshold>
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<threshold map="vlines2x2" alias="vlines2">
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<description>Vertical lines 2x2</description>
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<levels width="2" height="2" divisor="10">
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9 9
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3 3
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</levels>
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</threshold>
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<threshold map="diag2x2" alias="diag2">
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<description>Diagonal lines 2x2</description>
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<levels width="2" height="2" divisor="10">
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9 3
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3 9
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</levels>
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</threshold>
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<threshold map="7col-1-bool" alias="7c1b">
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<description>7-color non-mixing dither, color one boolean</description>
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<levels width="8" height="8" divisor="2">
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1 0 1 0 1 0 1 0
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0 0 0 0 0 0 0 0
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0 0 0 0 0 0 0 0
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0 1 0 1 0 1 0 1
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0 0 0 0 0 0 0 0
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0 0 0 0 0 0 0 0
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1 0 1 0 0 0 0 0
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0 0 0 0 0 0 0 0
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</levels>
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</threshold>
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<threshold map="7col-2-bool" alias="7c2b">
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<description>7-color non-mixing dither, color two boolean</description>
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<levels width="8" height="8" divisor="2">
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0 0 0 0 0 0 0 0
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0 1 0 1 0 1 0 1
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0 0 0 0 0 0 0 0
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0 0 0 0 0 0 0 0
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1 0 1 0 1 0 1 0
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0 0 0 0 0 0 0 0
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0 0 0 0 0 0 0 0
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0 1 0 0 0 0 0 0
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</levels>
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</threshold>
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<threshold map="7col-3-bool" alias="7c3b">
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<description>7-color non-mixing dither, color three boolean</description>
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<levels width="8" height="8" divisor="2">
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0 0 0 0 0 0 0 0
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0 0 0 0 0 0 0 0
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1 0 1 0 1 0 1 0
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0 0 0 0 0 0 0 0
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0 0 0 0 0 0 0 0
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0 1 0 1 0 1 0 1
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0 0 0 0 0 0 0 0
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0 0 0 0 0 0 0 1
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</levels>
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</threshold>
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<threshold map="7col-4-bool" alias="7c4b">
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<description>7-color non-mixing dither, color four boolean</description>
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<levels width="8" height="8" divisor="2">
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0 1 0 0 0 0 0 0
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0 0 1 0 0 0 0 0
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0 0 0 1 0 0 0 0
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0 0 0 0 1 0 0 0
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0 0 0 0 0 1 0 0
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0 0 0 0 0 0 1 0
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0 0 0 0 0 0 0 1
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1 0 0 0 0 0 0 0
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</levels>
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</threshold>
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<threshold map="7col-5-bool" alias="7c5b">
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<description>7-color non-mixing dither, color five boolean</description>
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<levels width="8" height="8" divisor="2">
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0 0 0 1 0 0 0 0
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0 0 0 0 1 0 0 0
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0 0 0 0 0 1 0 0
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0 0 0 0 0 0 1 0
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0 0 0 0 0 0 0 1
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1 0 0 0 0 0 0 0
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0 1 0 0 0 0 0 0
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0 0 1 0 0 0 0 0
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</levels>
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</threshold>
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<threshold map="7col-6-bool" alias="7c6b">
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<description>7-color non-mixing dither, color six boolean</description>
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<levels width="8" height="8" divisor="2">
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0 0 0 0 0 1 0 0
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0 0 0 0 0 0 1 0
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0 0 0 0 0 0 0 1
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1 0 0 0 0 0 0 0
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0 1 0 0 0 0 0 0
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0 0 1 0 0 0 0 0
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0 0 0 1 0 0 0 0
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0 0 0 0 1 0 0 0
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</levels>
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</threshold>
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<threshold map="7col-7-bool" alias="7c7b">
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<description>7-color non-mixing dither, color seven boolean</description>
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<levels width="8" height="8" divisor="2">
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0 0 0 0 0 0 0 1
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1 0 0 0 0 0 0 0
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0 1 0 0 0 0 0 0
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0 0 1 0 0 0 0 0
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0 0 0 1 0 0 0 0
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0 0 0 0 1 0 0 0
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0 0 0 0 0 1 0 0
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0 0 0 0 0 0 1 0
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</levels>
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</threshold>
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<threshold map="7col-1" alias="7c1">
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<description>7-color non-mixing dither, color one</description>
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<levels width="8" height="8" divisor="5">
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1 0 2 0 1 0 2 0
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0 0 0 0 0 0 0 0
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0 0 0 0 0 0 0 0
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0 3 0 4 0 3 0 4
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0 0 0 0 0 0 0 0
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0 0 0 0 0 0 0 0
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3 0 4 0 0 0 0 0
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0 0 0 0 0 0 0 0
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</levels>
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</threshold>
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<threshold map="7col-2" alias="7c2">
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<description>7-color non-mixing dither, color two</description>
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<levels width="8" height="8" divisor="5">
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0 0 0 0 0 0 0 0
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0 1 0 2 0 1 0 2
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0 0 0 0 0 0 0 0
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0 0 0 0 0 0 0 0
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3 0 4 0 3 0 4 0
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0 0 0 0 0 0 0 0
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0 0 0 0 0 0 0 0
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0 3 0 0 0 0 0 0
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</levels>
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</threshold>
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<threshold map="7col-3" alias="7c3">
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<description>7-color non-mixing dither, color three</description>
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<levels width="8" height="8" divisor="5">
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0 0 0 0 0 0 0 0
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0 0 0 0 0 0 0 0
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1 0 2 0 1 0 2 0
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0 0 0 0 0 0 0 0
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0 0 0 0 0 0 0 0
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0 3 0 4 0 3 0 4
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0 0 0 0 0 0 0 0
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0 0 0 0 0 0 0 3
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</levels>
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</threshold>
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<threshold map="7col-4" alias="7c4">
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<description>7-color non-mixing dither, color four</description>
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<levels width="8" height="8" divisor="5">
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0 1 0 0 0 0 0 0
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0 0 2 0 0 0 0 0
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0 0 0 3 0 0 0 0
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0 0 0 0 4 0 0 0
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0 0 0 0 0 1 0 0
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0 0 0 0 0 0 2 0
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0 0 0 0 0 0 0 3
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4 0 0 0 0 0 0 0
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</levels>
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</threshold>
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<threshold map="7col-5" alias="7c5">
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<description>7-color non-mixing dither, color five</description>
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<levels width="8" height="8" divisor="5">
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0 0 0 1 0 0 0 0
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0 0 0 0 2 0 0 0
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0 0 0 0 0 3 0 0
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0 0 0 0 0 0 4 0
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0 0 0 0 0 0 0 1
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2 0 0 0 0 0 0 0
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0 3 0 0 0 0 0 0
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0 0 4 0 0 0 0 0
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</levels>
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</threshold>
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<threshold map="7col-6" alias="7c6">
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<description>7-color non-mixing dither, color six</description>
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<levels width="8" height="8" divisor="5">
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0 0 0 0 0 2 0 0
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0 0 0 0 0 0 3 0
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0 0 0 0 0 0 0 4
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1 0 0 0 0 0 0 0
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0 2 0 0 0 0 0 0
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0 0 3 0 0 0 0 0
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0 0 0 4 0 0 0 0
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0 0 0 0 1 0 0 0
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</levels>
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</threshold>
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<threshold map="7col-7" alias="7c7">
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<description>7-color non-mixing dither, color seven</description>
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<levels width="8" height="8" divisor="5">
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0 0 0 0 0 0 0 4
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1 0 0 0 0 0 0 0
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0 2 0 0 0 0 0 0
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0 0 3 0 0 0 0 0
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0 0 0 4 0 0 0 0
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0 0 0 0 1 0 0 0
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0 0 0 0 0 2 0 0
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0 0 0 0 0 0 3 0
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</levels>
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</threshold>
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</thresholds>
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