feat: i18n (en/tr), zoom orijinal cozunurluk + max 20x + gaplessPlayback, app id com.softmediadesign.imajviewer, CI analyze+test

lib/widgets/image_canvas.dart

@@ -4,6 +4,7 @@ import 'package:flutter/material.dart';
 import 'package:flutter/gestures.dart';
 import 'package:flutter/scheduler.dart';
 import 'package:flutter/services.dart';
+import '../l10n/app_localizations.dart';
 
 class ImageCanvas extends StatefulWidget {
   final String filePath;
@@ -203,7 +204,7 @@ class _ImageCanvasState extends State<ImageCanvas> {
     final double cy = (vy - _ty) / _sc;
     const double factor = 1.1;
     final double rawSc = _sc * (e.scrollDelta.dy < 0 ? factor : 1.0 / factor);
-    final double newSc = rawSc.clamp(1.0, 10.0);
+    final double newSc = rawSc.clamp(1.0, 20.0);
     if (_angle == 0) {
       _tx = _tx + cx * _sc - cx * newSc;
       _ty = _ty + cy * _sc - cy * newSc;
@@ -373,7 +374,7 @@ class _ImageCanvasState extends State<ImageCanvas> {
 
   Widget _buildImage() {
     final longest = _vpSize.longestSide;
-    final cacheWidth = longest > 0 ? (longest * 2).round() : null;
+    final cacheWidth = longest > 0 ? (longest * _sc * 2).round() : null;
     if (_cachedPath != widget.filePath || _cachedCacheWidth != cacheWidth) {
       _cachedPath = widget.filePath;
       _cachedCacheWidth = cacheWidth;
@@ -388,6 +389,7 @@ class _ImageCanvasState extends State<ImageCanvas> {
       image: provider,
       fit: _isFilled ? BoxFit.cover : BoxFit.contain,
       filterQuality: FilterQuality.high,
+      gaplessPlayback: true,
       errorBuilder: (_, _, _) => _errorWidget(),
     );
   }
@@ -494,13 +496,14 @@ class _ImageCanvasState extends State<ImageCanvas> {
   }
 
   Widget _errorWidget() {
-    return const Center(
+    return Center(
       child: Column(
         mainAxisSize: MainAxisSize.min,
         children: [
-          Icon(Icons.broken_image, size: 48, color: Colors.white38),
-          SizedBox(height: 8),
-          Text('Resim yüklenemedi', style: TextStyle(color: Colors.white38)),
+          const Icon(Icons.broken_image, size: 48, color: Colors.white38),
+          const SizedBox(height: 8),
+          Text(AppLocalizations.of(context)!.imageLoadError,
+              style: const TextStyle(color: Colors.white38)),
         ],
       ),
     );