113 lines
5.1 KiB
Bash
Executable File
113 lines
5.1 KiB
Bash
Executable File
#!/usr/bin/env bash
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# Source the script 'common-functions.sh'.
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SCRIPT_DIR=$(cd -- "$(dirname -- "${BASH_SOURCE[0]}")" &>/dev/null && pwd)
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ROOT_DIR=$(grep --only-matching "^.*scripts[^/]*" <<<"$SCRIPT_DIR")
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source "$ROOT_DIR/common-functions.sh"
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_main() {
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local input_files=""
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local output_dir=""
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# Execute initial checks.
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_check_dependencies "
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command=convert; pkg_manager=apt; package=imagemagick |
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command=convert; pkg_manager=dnf; package=ImageMagick |
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command=convert; pkg_manager=pacman; package=imagemagick |
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command=convert; pkg_manager=zypper; package=ImageMagick"
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_display_wait_box "2"
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input_files=$(_get_files "par_type=file; par_select_mime=image/")
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output_dir=$(_get_output_dir "par_use_same_dir=false")
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# Execute the function '_main_task' for each file in parallel.
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_run_task_parallel "$input_files" "$output_dir"
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_display_result_box "$output_dir"
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}
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_main_task() {
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local input_file=$1
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local output_dir=$2
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local output_file=""
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local std_output=""
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local temp_file1=""
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local temp_file2=""
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local temp_file3=""
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local temp_file4=""
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local icon_size="64"
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# Work on a temporary file.
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temp_file1="$(_get_temp_file_dry).png"
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temp_file2="$(_get_temp_file_dry).png"
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temp_file3="$(_get_temp_file_dry).png"
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temp_file4="$(_get_temp_file_dry).png"
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# Run the process (part 0) 'export svg'.
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local filename_extension=""
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local input_file_proc=""
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filename_extension=$(_get_filename_extension "$input_file")
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if [[ "${filename_extension,,}" == ".svg"* ]]; then
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local inkscape_version=""
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local inkscape_version_old="1.0"
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inkscape_version=$(inkscape --version | cut -d " " -f 2)
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if [[ "$inkscape_version" == $(echo -e "$inkscape_version\n$inkscape_version_old" | sort -V | head -n1) ]]; then
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# Old Inkscape version.
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std_output=$(inkscape --without-gui --export-area-drawing --file="$input_file" --export-height=$((icon_size * 2)) --export-png="$temp_file4" 2>&1)
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else
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# New Inkscape version.
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std_output=$(inkscape --export-area-drawing --export-height=$((icon_size * 2)) --export-filename="$temp_file4" -- "$input_file" 2>&1)
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fi
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_check_output "$?" "$std_output" "$input_file" "$temp_file4" || return 1
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input_file_proc=$temp_file4
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else
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input_file_proc=$input_file
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fi
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# Run the process (part 1) 'get information of the image'.
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local first_pixel_color=""
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first_pixel_color=$(convert "$input_file_proc" -format "%[pixel:p{0,0}]" "info:" 2>&1)
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_check_output "$?" "$std_output" "$input_file" "" || return 1
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local last_pixel=""
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last_pixel=$(identify -format "%[fx:w-1],0" "$input_file_proc" 2>&1)
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_check_output "$?" "$std_output" "$input_file" "" || return 1
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local last_pixel_color=""
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last_pixel_color=$(convert "$input_file_proc" -format "%[pixel:p{$last_pixel}]" "info:")
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_check_output "$?" "$std_output" "$input_file" "" || return 1
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if [[ "$first_pixel_color" == "$last_pixel_color" ]]; then
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# Run the process (part 2) 'automatic crop the content'.
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std_output=$(convert "$input_file_proc" -trim +repage "$temp_file1" 2>&1)
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_check_output "$?" "$std_output" "$input_file" "$temp_file1" || return 1
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# Run the process (part 3) 'extend to square'.
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std_output=$(convert "$temp_file1" -set option:distort:viewport "%[fx:max(w,h)]x%[fx:max(w,h)]+%[fx:(w-max(w,h))/2]+%[fx:(h-max(w,h))/2]" -virtual-pixel transparent -filter point -distort SRT 0 -bordercolor "$first_pixel_color" -border 1 -fill "$first_pixel_color" -draw "color 0,0 floodfill" -shave 1 -draw "color 0,0 floodfill" +repage "$temp_file2" 2>&1)
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_check_output "$?" "$std_output" "$input_file" "$temp_file2" || return 1
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# Run the process (part 4) 'extend 14%' to add a border.
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local factor="1.14"
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std_output=$(convert "$temp_file2" -set option:distort:viewport "%[fx:(w*$factor)]x%[fx:(h*$factor)]+%[fx:(w-(w*$factor))/2]+%[fx:(h-(h*$factor))/2]" -virtual-pixel transparent -filter point -distort SRT 0 -bordercolor "$first_pixel_color" -border 1 -fill "$first_pixel_color" -draw "color 0,0 floodfill" -shave 1 -draw "color 0,0 floodfill" +repage "$temp_file3" 2>&1)
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_check_output "$?" "$std_output" "$input_file" "$temp_file3" || return 1
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input_file_proc=$temp_file3
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fi
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# Run the process (part 5) 'resize and crop the final image' to add a border.
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std_output=$(convert "$input_file_proc" -resize "${icon_size}x${icon_size}^" -gravity center -crop ${icon_size}x${icon_size}+0+0 -strip +repage "$temp_file4" 2>&1)
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_check_output "$?" "$std_output" "$input_file" "$temp_file4" || return 1
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# Move the temporary file to the output.
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output_file=$(_get_output_filename "$input_file" "$output_dir" "par_extension_opt=replace; par_extension=png")
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_move_temp_file_to_output "$input_file" "$temp_file4" "$output_file"
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# Remove the temporary files on each iteration (if not removed before).
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rm -f -- "$temp_file1"
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rm -f -- "$temp_file2"
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rm -f -- "$temp_file3"
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rm -f -- "$temp_file4"
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}
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_main "$@"
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