icon_update.sh

#!/usr/bin/env bash
set -exuo pipefail

DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" >/dev/null 2>&1 && pwd )"
TOPLEVEL="$(git -C "${DIR}" rev-parse --show-toplevel)"

IN_ICON="${1:-src/assets/icon.svg}"
IN_FEATURE_GRAPHIC="${2:-src/assets/feature-graphic.svg}"
IN_SPLASH="${3:-src/assets/splash.svg}"

OUT_FAVICON="src/assets/favicon.ico"

OUT_ICON="resources/icon.png"
OUT_ICON_PLAYSTORE="resources/icon-playstore.png"

OUT_SPLASH="resources/splash.png"

OUT_FEATURE_GRAPHIC="resources/feature-graphic.png"

COLOR_EXTENT="#8c8c8cff"
EXTENT_COLOR_BACKGROUND=(
  -gravity center
  -background "${COLOR_EXTENT}"
)

(
  cd "${TOPLEVEL}"

  (
    # Favicon
    convert \
      -density 384 \
      "${IN_ICON}" \
      -trim \
      -define icon:auto-resize \
      "${OUT_FAVICON}"
  ) &

  (
    # Icon
    convert \
      -density 1200 \
      "${IN_ICON}" \
      -resize 1400x1400 \
      "${OUT_ICON}"

    convert \
      "${OUT_ICON}" \
      -resize 512x512\! \
      "${OUT_ICON_PLAYSTORE}"
  ) &

  (
    # Splash
    convert \
      "${IN_SPLASH}" \
      "${EXTENT_COLOR_BACKGROUND[@]}" \
      -extent 2732x2732 \
      "${OUT_SPLASH}"
  ) &

  (
    # Feature Graphic
    convert \
      -density 1200 \
      "${IN_FEATURE_GRAPHIC}" \
      -resize 1024x500 \
      "${EXTENT_COLOR_BACKGROUND[@]}" \
      -extent 1024x500 \
      "${OUT_FEATURE_GRAPHIC}"
  ) &

  wait
  ionic cordova resources
)