perf: replace PaletteService with blurred cover background, bump v3.5.1

This commit is contained in:
zarzet
2026-02-07 19:57:44 +07:00
parent c167aa0522
commit 35f412dbd2
10 changed files with 167 additions and 284 deletions
-90
View File
@@ -1,90 +0,0 @@
import 'dart:io';
import 'package:flutter/material.dart';
import 'package:cached_network_image/cached_network_image.dart';
import 'package:palette_generator/palette_generator.dart';
/// Service for extracting dominant colors from images
/// Uses caching to avoid re-extraction and small image size for speed
class PaletteService {
static final PaletteService instance = PaletteService._();
PaletteService._();
final Map<String, Color> _colorCache = {};
/// Extract dominant color from a network image URL
/// Uses small image size and limited colors for speed
Future<Color?> extractDominantColor(String? imageUrl) async {
if (imageUrl == null || imageUrl.isEmpty) return null;
if (!imageUrl.startsWith('http://') && !imageUrl.startsWith('https://')) {
return null;
}
final cached = _colorCache[imageUrl];
if (cached != null) {
return cached;
}
try {
final paletteGenerator = await PaletteGenerator.fromImageProvider(
CachedNetworkImageProvider(imageUrl),
size: const Size(64, 64),
maximumColorCount: 8,
);
final color = paletteGenerator.dominantColor?.color ??
paletteGenerator.vibrantColor?.color ??
paletteGenerator.mutedColor?.color;
if (color != null) {
_colorCache[imageUrl] = color;
}
return color;
} catch (e) {
debugPrint('PaletteService error: $e');
return null;
}
}
Future<Color?> extractDominantColorFromFile(String? filePath) async {
if (filePath == null || filePath.isEmpty) return null;
final cached = _colorCache[filePath];
if (cached != null) {
return cached;
}
try {
final file = File(filePath);
if (!await file.exists()) return null;
final paletteGenerator = await PaletteGenerator.fromImageProvider(
FileImage(file),
size: const Size(64, 64),
maximumColorCount: 8,
);
final color = paletteGenerator.dominantColor?.color ??
paletteGenerator.vibrantColor?.color ??
paletteGenerator.mutedColor?.color;
if (color != null) {
_colorCache[filePath] = color;
}
return color;
} catch (e) {
debugPrint('PaletteService file error: $e');
return null;
}
}
void clearCache() {
_colorCache.clear();
}
Color? getCached(String? imageUrl) {
if (imageUrl == null) return null;
return _colorCache[imageUrl];
}
}