chore: refresh feature graphic

scripts/refresh-feature-graphic.sh

@@ -9,30 +9,40 @@ SCRIPT_DIR="$(cd "$(dirname "$(readlink -f "${BASH_SOURCE[0]}")")" && pwd)"
 SCREENSHOT_DIR="${SCRIPT_DIR}"/../screenshots
 
 function generate_grid() {
+  local MONTAGE_INPUT BACKGROUND_COLOR OUTPUT_FILE
+  MONTAGE_INPUT="$(mktemp)"
+  OUTPUT_FILE="${1:?}"
+  BACKGROUND_COLOR="${2:?}"
   # Run the Maestro flow to generate the screenshots
   "${SCRIPT_DIR}"/run-maestro-flows.sh feature_graphic.yml
 
-  # Use imagemagick to stitch the screenshots in a grid
-  montage -tile 3x0 -geometry +0+0 \
-    -border 0 -density 300 \
+  # Fill out the input files with padding
+  printf "%s\n%s\n%s\n%s\n%s\n%s\n" \
     "${SCREENSHOT_DIR}"/HottestPosts.png \
     "${SCREENSHOT_DIR}"/CommentsPage.png \
     "${SCREENSHOT_DIR}"/SavedPosts.png \
     "${SCREENSHOT_DIR}"/SearchPage.png \
+    "xc:${BACKGROUND_COLOR}" \
     "${SCREENSHOT_DIR}"/SettingsPage.png \
-    "${1:?}.png" || true
+  >> "${MONTAGE_INPUT}"
+
+  # Use imagemagick to stitch the screenshots in a grid
+  # Dimensions are of my Pixel 4a which I use for this purpose
+  montage @"${MONTAGE_INPUT}" -tile 3x0 -geometry 1080x2340+0.0! \
+    -border 0 -density 300 \
+    "${OUTPUT_FILE}.png" || true
 
   # Convert the resulting PNG to WebP
-  cwebp "${1:?}.png" -o "${1:?}.webp"
+  cwebp "${OUTPUT_FILE}.png" -o "${OUTPUT_FILE}.webp"
 
-  # Remove the now-useless PNG
-  rm "${1:?}.png"
+  # Remove the now-useless PNG and montage input text
+  rm "${OUTPUT_FILE}.png" "${MONTAGE_INPUT}"
 }
 
 adb shell "cmd uimode night no"
 
-generate_grid "${SCRIPT_DIR}"/../.github/readme_feature_light
+generate_grid "${SCRIPT_DIR}"/../.github/readme_feature_light white
 
 adb shell "cmd uimode night yes"
 
-generate_grid "${SCRIPT_DIR}"/../.github/readme_feature_dark
+generate_grid "${SCRIPT_DIR}"/../.github/readme_feature_dark black