revised image asset structure

This commit is contained in:
Mikkeli Matlock
2026-01-25 23:13:30 +09:00
parent d7a1f2fabd
commit b1e23fdd10
16 changed files with 92 additions and 169 deletions

4
pi/ui/assets/.gitignore vendored Normal file
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@@ -0,0 +1,4 @@
# Ignore font files (may have licensing restrictions)
# Keep .gitkeep to preserve directory structure
fonts/*
!fonts/.gitkeep

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@@ -1,2 +0,0 @@
# Generated/symlinked images - created by prepare_assets.sh
rei_default.png

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@@ -1,4 +1,6 @@
{
"assets_path": "/home/pi/smartserow-ui/assets",
"navigator": "rei",
"overheat": {
"threshold_celsius": 75.0,
"trigger_duration_sec": 10,

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@@ -1,3 +0,0 @@
# Generated/symlinked font files - created by prepare_assets.sh
din1451alt.ttf
NotoSans-*.ttf

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@@ -21,7 +21,6 @@ class SmartSerowApp extends StatelessWidget {
),
useMaterial3: true,
fontFamily: 'DIN1451',
fontFamilyFallback: const ['NotoSans', 'Roboto'],
),
home: const AppRoot(),
);

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@@ -1,7 +1,9 @@
import 'dart:async';
import 'dart:io';
import 'dart:math';
import 'package:flutter/material.dart';
import '../services/config_service.dart';
import '../services/pi_io.dart';
import '../widgets/stat_box.dart';
@@ -46,6 +48,21 @@ class _DashboardScreenState extends State<DashboardScreen> {
super.dispose();
}
/// Build navigator image from filesystem
Widget _buildNavigatorImage() {
final config = ConfigService.instance;
final imagePath = '${config.assetsPath}/navigator/${config.navigator}/default.png';
return Image.file(
File(imagePath),
fit: BoxFit.contain,
errorBuilder: (context, error, stackTrace) {
// Graceful fallback - empty box if image missing
return const SizedBox.shrink();
},
);
}
@override
Widget build(BuildContext context) {
return Scaffold(
@@ -127,14 +144,7 @@ class _DashboardScreenState extends State<DashboardScreen> {
Expanded(
flex: 1,
child: Center(
child: Image.asset(
'assets/images/rei_default.png',
fit: BoxFit.contain,
errorBuilder: (context, error, stackTrace) {
// Graceful fallback - empty box if image missing
return const SizedBox.shrink();
},
),
child: _buildNavigatorImage(),
),
),
],

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@@ -16,6 +16,10 @@ class ConfigService {
static const double _defaultThreshold = 80.0;
static const int _defaultTriggerDuration = 10;
static const int _defaultShutdownDelay = 10;
static const String _defaultNavigator = 'rei';
// Executable directory (for fallback paths)
late final String _exeDir;
/// Load config from JSON file
///
@@ -24,11 +28,12 @@ class ConfigService {
Future<void> load() async {
if (_loaded) return;
// Config file sits next to the executable
final exePath = Platform.resolvedExecutable;
_exeDir = File(exePath).parent.path;
try {
// Config file sits next to the executable
final exePath = Platform.resolvedExecutable;
final exeDir = File(exePath).parent.path;
final configPath = '$exeDir${Platform.pathSeparator}config.json';
final configPath = '$_exeDir${Platform.pathSeparator}config.json';
final file = File(configPath);
if (await file.exists()) {
@@ -66,4 +71,19 @@ class ConfigService {
if (value is int) return Duration(seconds: value);
return Duration(seconds: _defaultShutdownDelay);
}
/// Path to external assets directory
String get assetsPath {
final value = _config?['assets_path'];
if (value is String && value.isNotEmpty) return value;
// Fallback: assets/ next to executable
return '$_exeDir${Platform.pathSeparator}assets';
}
/// Navigator character name (subfolder in assets/navigator/)
String get navigator {
final value = _config?['navigator'];
if (value is String && value.isNotEmpty) return value;
return _defaultNavigator;
}
}

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@@ -45,10 +45,10 @@ packages:
dependency: transitive
description:
name: fake_async
sha256: "6a95e56b2449df2273fd8c45a662d6947ce1ebb7aafe80e550a3f68297f3cacc"
sha256: "5368f224a74523e8d2e7399ea1638b37aecfca824a3cc4dfdf77bf1fa905ac44"
url: "https://pub.dev"
source: hosted
version: "1.3.2"
version: "1.3.3"
flutter:
dependency: "direct main"
description: flutter
@@ -71,26 +71,26 @@ packages:
dependency: transitive
description:
name: leak_tracker
sha256: c35baad643ba394b40aac41080300150a4f08fd0fd6a10378f8f7c6bc161acec
sha256: "33e2e26bdd85a0112ec15400c8cbffea70d0f9c3407491f672a2fad47915e2de"
url: "https://pub.dev"
source: hosted
version: "10.0.8"
version: "11.0.2"
leak_tracker_flutter_testing:
dependency: transitive
description:
name: leak_tracker_flutter_testing
sha256: f8b613e7e6a13ec79cfdc0e97638fddb3ab848452eff057653abd3edba760573
sha256: "1dbc140bb5a23c75ea9c4811222756104fbcd1a27173f0c34ca01e16bea473c1"
url: "https://pub.dev"
source: hosted
version: "3.0.9"
version: "3.0.10"
leak_tracker_testing:
dependency: transitive
description:
name: leak_tracker_testing
sha256: "6ba465d5d76e67ddf503e1161d1f4a6bc42306f9d66ca1e8f079a47290fb06d3"
sha256: "8d5a2d49f4a66b49744b23b018848400d23e54caf9463f4eb20df3eb8acb2eb1"
url: "https://pub.dev"
source: hosted
version: "3.0.1"
version: "3.0.2"
lints:
dependency: transitive
description:
@@ -180,18 +180,18 @@ packages:
dependency: transitive
description:
name: test_api
sha256: fb31f383e2ee25fbbfe06b40fe21e1e458d14080e3c67e7ba0acfde4df4e0bbd
sha256: "522f00f556e73044315fa4585ec3270f1808a4b186c936e612cab0b565ff1e00"
url: "https://pub.dev"
source: hosted
version: "0.7.4"
version: "0.7.6"
vector_math:
dependency: transitive
description:
name: vector_math
sha256: "80b3257d1492ce4d091729e3a67a60407d227c27241d6927be0130c98e741803"
sha256: d530bd74fea330e6e364cda7a85019c434070188383e1cd8d9777ee586914c5b
url: "https://pub.dev"
source: hosted
version: "2.1.4"
version: "2.2.0"
vm_service:
dependency: transitive
description:
@@ -201,5 +201,5 @@ packages:
source: hosted
version: "14.3.1"
sdks:
dart: ">=3.7.0-0 <4.0.0"
dart: ">=3.8.0-0 <4.0.0"
flutter: ">=3.18.0-18.0.pre.54"

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@@ -18,17 +18,7 @@ dev_dependencies:
flutter:
uses-material-design: true
assets:
- assets/images/
fonts:
- family: DIN1451
fonts:
- asset: fonts/din1451alt.ttf
- family: NotoSans
fonts:
- asset: fonts/NotoSans-Regular.ttf
- asset: fonts/NotoSans-Bold.ttf
weight: 700
- asset: fonts/NotoSans-Light.ttf
weight: 300
- asset: assets/fonts/din1451alt.ttf

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@@ -71,14 +71,6 @@ def build(clean: bool = False) -> bool:
os.chdir(UI_DIR)
# Prepare assets (fonts, images)
prepare_script = SCRIPT_DIR / "prepare_assets.sh"
if prepare_script.exists():
print("Preparing assets...")
run(["bash", str(prepare_script)])
else:
print(f"WARNING: {prepare_script} not found")
# Initialize elinux project if needed
elinux_dir = UI_DIR / "elinux"
if not elinux_dir.exists():

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@@ -36,15 +36,6 @@ echo "Cross-compiler: $CXX"
cd "$UI_DIR"
# Prepare assets (fonts, images)
PREPARE_SCRIPT="$SCRIPT_DIR/prepare_assets.sh"
if [ -x "$PREPARE_SCRIPT" ]; then
echo "Preparing assets..."
"$PREPARE_SCRIPT"
else
echo "WARNING: $PREPARE_SCRIPT not found or not executable"
fi
# Initialize elinux project if not already configured
if [ ! -d "elinux" ]; then
echo "Initializing elinux project structure..."

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@@ -17,6 +17,7 @@ PROJECT_ROOT = SCRIPT_DIR.parent
CONFIG_FILE = SCRIPT_DIR / "deploy_target.json"
BUILD_DIR = PROJECT_ROOT / "pi" / "ui" / "build" / "elinux" / "arm64" / "release" / "bundle"
CONFIG_SRC = PROJECT_ROOT / "pi" / "ui" / "config.json"
IMAGES_SRC = PROJECT_ROOT / "extra" / "images"
def run(cmd: list[str], check: bool = True, **kwargs) -> subprocess.CompletedProcess:
@@ -77,6 +78,20 @@ def deploy(restart: bool = False) -> bool:
print()
print("Note: No config.json found, using defaults")
# Sync images to assets path
if IMAGES_SRC.exists():
assets_path = config.get("assets_path", f"{remote_path}/assets")
print()
print(f"Syncing images to {assets_path}...")
run([
"rsync", "-avz",
f"{IMAGES_SRC}/",
f"{ssh_target}:{assets_path}/",
])
else:
print()
print("Note: No extra/images folder found, skipping image sync")
# Restart service if requested
if restart:
print()

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@@ -28,6 +28,7 @@ SERVICE_NAME=$(read_json service_name)
SSH_TARGET="$PI_USER@$PI_HOST"
BUILD_DIR="$PROJECT_ROOT/pi/ui/build/elinux/arm64/release/bundle"
CONFIG_SRC="$PROJECT_ROOT/pi/ui/config.json"
IMAGES_SRC="$PROJECT_ROOT/extra/images"
echo "=== Smart Serow Deploy ==="
echo "Target: $SSH_TARGET:$REMOTE_PATH"
@@ -55,6 +56,18 @@ else
echo "Note: No config.json found, using defaults"
fi
# Sync images to assets path
if [ -d "$IMAGES_SRC" ]; then
# Read assets_path from config, fall back to default
ASSETS_PATH=$(python3 -c "import json; print(json.load(open('$CONFIG_FILE')).get('assets_path', '$REMOTE_PATH/assets'))" 2>/dev/null || echo "$REMOTE_PATH/assets")
echo ""
echo "Syncing images to $ASSETS_PATH..."
rsync -avz "$IMAGES_SRC/" "$SSH_TARGET:$ASSETS_PATH/"
else
echo ""
echo "Note: No extra/images folder found, skipping image sync"
fi
# Restart service if requested
RESTART="${1:-}"
if [ "$RESTART" = "--restart" ] || [ "$RESTART" = "-r" ]; then

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@@ -2,5 +2,6 @@
"user": "pi",
"host": "raspberrypi.local",
"remote_path": "/opt/smartserow",
"service_name": "smartserow-ui"
"service_name": "smartserow-ui",
"assets_path": "~/smartserow-ui/assets"
}

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@@ -1,109 +0,0 @@
#!/bin/bash
# prepare_assets.sh - Prepares fonts and images for Flutter build
# Run this before 'flutter build' to ensure assets are in place
#
# This script handles:
# - DIN1451 font: symlinks from extra/ if present, otherwise downloads Noto Sans as fallback
# - Dashboard image: symlinks from extra/ if present, otherwise skipped (handled at runtime)
set -e
SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
PROJECT_ROOT="$(dirname "$SCRIPT_DIR")"
UI_DIR="$PROJECT_ROOT/pi/ui"
FONTS_DIR="$UI_DIR/fonts"
IMAGES_DIR="$UI_DIR/assets/images"
EXTRA_FONTS="$PROJECT_ROOT/extra/fonts"
EXTRA_IMAGES="$PROJECT_ROOT/extra/images"
# Noto Sans download URLs (Google Fonts)
NOTO_SANS_BASE="https://github.com/googlefonts/noto-fonts/raw/main/hinted/ttf/NotoSans"
NOTO_REGULAR="$NOTO_SANS_BASE/NotoSans-Regular.ttf"
NOTO_BOLD="$NOTO_SANS_BASE/NotoSans-Bold.ttf"
NOTO_LIGHT="$NOTO_SANS_BASE/NotoSans-Light.ttf"
echo "=== Smart Serow Asset Preparation ==="
# --- FONTS ---
echo ""
echo "--- Fonts ---"
# Ensure Noto Sans fallbacks exist
download_noto() {
local weight=$1
local url=$2
local dest="$FONTS_DIR/NotoSans-${weight}.ttf"
if [ ! -f "$dest" ]; then
echo "Downloading Noto Sans $weight..."
curl -sL "$url" -o "$dest" || {
echo "Warning: Failed to download Noto Sans $weight"
return 1
}
echo " -> Downloaded $dest"
else
echo " Noto Sans $weight already present"
fi
}
download_noto "Regular" "$NOTO_REGULAR"
download_noto "Bold" "$NOTO_BOLD"
download_noto "Light" "$NOTO_LIGHT"
# DIN1451 - symlink if available, otherwise use Noto Sans
DIN_TARGET="$FONTS_DIR/din1451alt.ttf"
DIN_SOURCE="$EXTRA_FONTS/din1451alt.ttf"
# Remove old symlink/file to ensure fresh state
rm -f "$DIN_TARGET"
if [ -f "$DIN_SOURCE" ]; then
echo "DIN1451 found - linking/copying"
# Try symlink first, fall back to copy (Windows compatibility)
if ln -s "$DIN_SOURCE" "$DIN_TARGET" 2>/dev/null; then
echo " -> Linked $DIN_TARGET -> $DIN_SOURCE"
else
cp "$DIN_SOURCE" "$DIN_TARGET"
echo " -> Copied $DIN_TARGET (symlinks not supported)"
fi
else
echo "DIN1451 not found - using Noto Sans as fallback"
if [ -f "$FONTS_DIR/NotoSans-Regular.ttf" ]; then
cp "$FONTS_DIR/NotoSans-Regular.ttf" "$DIN_TARGET"
echo " -> Copied Noto Sans Regular as $DIN_TARGET"
else
echo " ERROR: No fallback font available!"
exit 1
fi
fi
# --- IMAGES ---
echo ""
echo "--- Images ---"
REI_TARGET="$IMAGES_DIR/rei_default.png"
REI_SOURCE="$EXTRA_IMAGES/rei_default.png"
# Remove old symlink/file
rm -f "$REI_TARGET"
if [ -f "$REI_SOURCE" ]; then
echo "Dashboard image found - linking/copying"
# Try symlink first, fall back to copy (Windows compatibility)
if ln -s "$REI_SOURCE" "$REI_TARGET" 2>/dev/null; then
echo " -> Linked $REI_TARGET -> $REI_SOURCE"
else
cp "$REI_SOURCE" "$REI_TARGET"
echo " -> Copied $REI_TARGET (symlinks not supported)"
fi
else
echo "Dashboard image not found - will use empty fallback at runtime"
# Create a tiny transparent PNG placeholder (1x1 pixel)
# This avoids asset not found errors while keeping the build clean
printf '\x89PNG\r\n\x1a\n\x00\x00\x00\rIHDR\x00\x00\x00\x01\x00\x00\x00\x01\x08\x06\x00\x00\x00\x1f\x15\xc4\x89\x00\x00\x00\nIDATx\x9cc\x00\x01\x00\x00\x05\x00\x01\r\n-\xb4\x00\x00\x00\x00IEND\xaeB`\x82' > "$REI_TARGET"
echo " -> Created 1x1 transparent placeholder"
fi
echo ""
echo "=== Asset preparation complete ==="
echo "You can now run: flutter build linux"