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thetechprepper
35 lines
891 B
Bash
Executable File
35 lines
891 B
Bash
Executable File
#!/bin/bash
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#
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# Author : Gaston Gonzalez
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# Date : 5 September 2026
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# Purpose : Generate 36 PNG images for use as a spinner for Plymouth
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#
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# throbber-xxxx.png is the looping animation on startup
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# animation-xxxx.png is the end frame animation
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#
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# For simplicity, 36 frames are generated for both using ImageMagick.
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SIZE=64x64
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SPINNER_PNG="et-${SIZE}-icon.png"
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convert ../../overlay/usr/share/icons/emcomm-tools-icon-black-512.png \
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-transparent black et-512x512-icon.png
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convert et-512x512-icon.png \
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-resize ${SIZE} ${SPINNER_PNG}
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for i in $(seq 0 35); do
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angle=$((i * 10))
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frame=$(printf "%04d" $((i + 1)))
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convert ${SPINNER_PNG} \
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-background none \
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-rotate "${angle}" \
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-gravity center \
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-extent ${SIZE} \
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"animation-${frame}.png"
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# Make a copy for the throbber frame looping animation
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cp "animation-${frame}.png" "throbber-${frame}.png"
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done
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