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#!/usr/bin/env bash
# Source the script 'common-functions.sh'.
SCRIPT_DIR=$(cd -- "$(dirname -- "${BASH_SOURCE[0]}")" &>/dev/null && pwd)
ROOT_DIR=$(grep --only-matching "^.*scripts[^/]*" <<<"$SCRIPT_DIR")
source "$ROOT_DIR/common-functions.sh"
_main() {
local input_files=""
local output_dir=""
# Execute initial checks.
_check_dependencies "
command=convert; pkg_manager=apt; package=imagemagick |
command=convert; pkg_manager=dnf; package=ImageMagick |
command=convert; pkg_manager=pacman; package=imagemagick |
command=convert; pkg_manager=zypper; package=ImageMagick"
_display_wait_box "2"
input_files=$(_get_files "par_type=file; par_select_mime=image/; par_validate_conflict=true")
output_dir=$(_get_output_dir "par_use_same_dir=false")
# Execute the function '_main_task' for each file in parallel.
_run_task_parallel "$input_files" "$output_dir"
_display_result_box "$output_dir"
}
_main_task() {
local input_file=$1
local output_dir=$2
local output_file=""
local std_output=""
# Run the main process.
local first_pixel_color=""
first_pixel_color=$(convert "$input_file""[1x1+0+0]" -format "%[pixel:p{0,0}]" "info:")
_check_output "$?" "$std_output" "$input_file" "" || return 1
output_file=$(_get_output_filename "$input_file" "$output_dir" "par_extension_opt=replace; par_extension=png")
std_output=$(convert "$input_file" -alpha off -bordercolor "$first_pixel_color" -border 1 \( +clone -fuzz 15% -fill none -floodfill +0+0 "$first_pixel_color" -alpha extract -geometry 200% -blur 0x0.5 -morphology erode square:1 -geometry 50% \) -compose CopyOpacity -composite -shave 1 "$output_file" 2>&1)
_check_output "$?" "$std_output" "$input_file" "$output_file" || return 1
}
_main "$@"