53 lines
2.6 KiB
Bash
53 lines
2.6 KiB
Bash
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#!/bin/sh
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# Convert existing render-test exports without trimming, resampling or labels
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# inside the framebuffer. ImageMagick is optional, not a make check dependency.
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set -eu
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if [ "$#" -ne 1 ]; then
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echo "Usage: sh tests/render-images.sh ABSOLUTE_OUTPUT_DIRECTORY" >&2
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exit 2
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fi
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cd "$1"
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for pgm in ./*-[01].pgm; do
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[ -f "$pgm" ] || continue
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base=${pgm%.pgm}
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[ "$(wc -c < "$base.bin")" -eq 860 ]
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{ printf 'P4\n160 43\n'; cat "$base.bin"; } > "$base.pbm"
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# Compare the packed 1-bit buffer independently with the PGM export.
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compare -metric AE "$base.pbm" "$pgm" null: 2> "$base-pixels.log"
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convert "$pgm" +repage -type TrueColor "PNG24:$base-native.png"
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convert "$base-native.png" -sample 800% +repage "PNG24:$base-8x.png"
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convert "$base-8x.png" -sample 160x43! +repage "PNG24:$base-roundtrip.png"
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compare -metric AE "$pgm" "$base-native.png" null: 2>> "$base-pixels.log"
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compare -metric AE "$pgm" "$base-roundtrip.png" null: 2>> "$base-pixels.log"
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rm "$base-roundtrip.png"
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# Smaller contact tiles avoid shrinking wide sheets in image viewers.
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# Keep the eightfold originals available for individual pixel inspection.
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convert "$base-native.png" -sample 400% +repage "PNG24:$base-4x.png"
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done
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for group in off nvidia amd single dual large unknown odd maximum; do
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[ -f "$group-0-4x.png" ] || continue
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montage -font DejaVu-Sans -pointsize 14 -background '#dddddd' \
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-label "$group: five-row summary (4x)" "$group-0-4x.png" \
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-label "$group: four-row summary (4x)" "$group-1-4x.png" \
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-tile 1x2 -geometry +8+8 "PNG24:contact-$group.png"
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height=$(identify -format '%h' "contact-$group.png")
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for variant in 0 1; do
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top=$((8 + variant * height / 2))
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convert "contact-$group.png" -crop "640x172+8+$top" +repage \
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"PNG24:$group-tile-check.png"
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compare -metric AE "$group-$variant-4x.png" "$group-tile-check.png" \
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null: 2>> "$group-contact-pixels.log"
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done
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rm "$group-tile-check.png"
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done
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if [ -f contact-off.png ] && [ -f contact-nvidia.png ] && [ -f contact-amd.png ]; then
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convert contact-off.png contact-nvidia.png contact-amd.png -append +repage \
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PNG24:contact-legacy.png
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fi
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if [ -f contact-dual.png ] && [ -f contact-large.png ] && [ -f contact-unknown.png ]; then
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convert contact-dual.png contact-large.png contact-unknown.png -append +repage \
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PNG24:contact-metrics.png
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fi
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if [ -f contact-odd.png ] && [ -f contact-maximum.png ]; then
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convert contact-odd.png contact-maximum.png -append +repage PNG24:contact-paging.png
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fi
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