24 lines
592 B
Bash
24 lines
592 B
Bash
#!/bin/bash
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# doc gen_cover {
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#
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# DESCRIPTION
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# gen_cover - Generate cover image
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#
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# USAGE
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# gen_cover </path/to/cover/image>
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#
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# }
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gen_cover() {
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local COVER="${1}"
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[[ ! -f "${COVER}" ]] && { convert -size 480x480 xc:white "${COVER}"; local ERROR=1; }
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cat "${COVER}"
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[[ ${ERROR} -eq 1 ]] && return 1
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local IMG_SIZE="$(identify -format "%wx%h" "${COVER}")"
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local IMG_WIDTH=$(echo ${IMG_SIZE} | cut -dx -f1)
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local IMG_HEIGHT=$(echo ${IMG_SIZE} | cut -dx -f2)
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if [[ ${IMG_WIDTH} -lt 480 ]] && [[ ${IMG_HEIGHT} -lt 480 ]]; then return 2; fi
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return 0
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}
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