update at 2026-03-21 18:44:12

calendar/scripts/export-theme-backgrounds.sh

@@ -4,12 +4,15 @@ set -eu
 ROOT_DIR="$(CDPATH= cd -- "$(dirname "$0")/../.." && pwd)"
 CALENDAR_DIR="$ROOT_DIR/calendar"
 DIST_DIR="$CALENDAR_DIR/dist"
+KINDLE_BACKGROUNDS_DIR="$CALENDAR_DIR/kindle-backgrounds"
 PORT=${PORT:-4173}
 SWIFT_SCRIPT="$CALENDAR_DIR/scripts/export-kindle-background.swift"
 THEMES_SOURCE="$CALENDAR_DIR/config/themes.json"
 
 THEME_FILTER=""
 ORIENTATION_FILTER=""
+LOCATION_LAT=""
+LOCATION_LON=""
 
 print_usage() {
   cat <<'EOF'
@@ -19,12 +22,15 @@ print_usage() {
 选项：
       --theme <theme-id>         只导出指定主题
       --orientation <value>      只导出指定方向；必须和 --theme 一起使用
+      --location-lat <value>     导图时显式覆盖天气定位纬度
+      --location-lon <value>     导图时显式覆盖天气定位经度
   -h, --help                     查看帮助
 
 示例：
   sh scripts/export-theme-backgrounds.sh
   sh scripts/export-theme-backgrounds.sh --theme simple
   sh scripts/export-theme-backgrounds.sh --theme simple --orientation portrait
+  sh scripts/export-theme-backgrounds.sh --location-lat 30.274084 --location-lon 120.15507
 EOF
 }
 
@@ -38,6 +44,14 @@ while [ "$#" -gt 0 ]; do
       shift
       ORIENTATION_FILTER=${1:?"missing orientation"}
       ;;
+    --location-lat)
+      shift
+      LOCATION_LAT=${1:?"missing location latitude"}
+      ;;
+    --location-lon)
+      shift
+      LOCATION_LON=${1:?"missing location longitude"}
+      ;;
     -h|--help)
       print_usage
       exit 0
@@ -57,6 +71,11 @@ if [ -n "$ORIENTATION_FILTER" ] && [ -z "$THEME_FILTER" ]; then
   exit 1
 fi
 
+if { [ -n "$LOCATION_LAT" ] && [ -z "$LOCATION_LON" ]; } || { [ -z "$LOCATION_LAT" ] && [ -n "$LOCATION_LON" ]; }; then
+  echo "--location-lat 和 --location-lon 必须同时提供。" >&2
+  exit 1
+fi
+
 selection_output=$(
   node --input-type=module -e "
 import fs from 'node:fs';
@@ -143,6 +162,7 @@ fi
 
 cd "$CALENDAR_DIR"
 npm run build >/dev/null
+mkdir -p "$KINDLE_BACKGROUNDS_DIR"
 
 python3 -m http.server "$PORT" -d "$DIST_DIR" >/tmp/kindle-calendar-http.log 2>&1 &
 SERVER_PID=$!
@@ -153,8 +173,15 @@ sleep 1
 printf '%s\n' "$EXPORT_ITEMS" | while IFS="$(printf '\t')" read -r theme_id orientation background_path; do
   out_png="$DIST_DIR/$background_path"
   out_region="${out_png%.png}.clock-region.json"
+  flat_background_png="$KINDLE_BACKGROUNDS_DIR/${theme_id}-${orientation}.png"
   url="http://127.0.0.1:$PORT/?mode=background&theme=$theme_id&orientation=$orientation"
+  if [ -n "$LOCATION_LAT" ] && [ -n "$LOCATION_LON" ]; then
+    url="${url}&location-lat=${LOCATION_LAT}&location-lon=${LOCATION_LON}"
+  fi
   /usr/bin/swift "$SWIFT_SCRIPT" "$url" "$out_png" "$out_region" >/dev/null
+  # Web 侧额外维护一份扁平命名的背景图目录，方便 nginx 单独暴露给 Kindle 拉图。
+  # 主题 JSON 会把 background.url 指向这里，例如 /kindle-backgrounds/simple-portrait.png。
+  cp "$out_png" "$flat_background_png"
 
   # 根目录的 kindlebg.png / clock-region.json 只给默认主题兜底使用。
   # 定向导出其它主题时不覆盖它，避免把默认主题的运行时入口意外改掉。