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Signed-off-by: bggRGjQaUbCoE <githubaccount56556@proton.me>
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bggRGjQaUbCoE
2025-05-03 15:39:54 +08:00
parent 7f70ee5045
commit c491b5283b
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lib/common/widgets/image/image_view.dart Normal file
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import 'dart:math';
import 'package:PiliPlus/common/constants.dart';
import 'package:PiliPlus/common/widgets/badge.dart';
import 'package:PiliPlus/common/widgets/interactiveviewer_gallery/interactiveviewer_gallery.dart'
show SourceModel, SourceType;
import 'package:PiliPlus/common/widgets/image/network_img_layer.dart';
import 'package:PiliPlus/common/widgets/image/nine_grid_view.dart';
import 'package:PiliPlus/utils/extension.dart';
import 'package:PiliPlus/utils/storage.dart';
import 'package:flutter/material.dart';
class ImageModel {
ImageModel({
required this.width,
required this.height,
required this.url,
this.liveUrl,
});
dynamic width;
dynamic height;
String url;
String? liveUrl;
bool? _isLongPic;
bool? _isLivePhoto;
dynamic get safeWidth => width ?? 1;
dynamic get safeHeight => height ?? 1;
bool get isLongPic => _isLongPic ??= (safeHeight / safeWidth) > (22 / 9);
bool get isLivePhoto => _isLivePhoto ??= liveUrl?.isNotEmpty == true;
}
Widget imageView(
double maxWidth,
List<ImageModel> picArr, {
VoidCallback? onViewImage,
ValueChanged<int>? onDismissed,
Function(List<String>, int)? callback,
}) {
double imageWidth = (maxWidth - 2 * 5) / 3;
double imageHeight = imageWidth;
if (picArr.length == 1) {
dynamic width = picArr[0].safeWidth;
dynamic height = picArr[0].safeHeight;
double ratioWH = width / height;
double ratioHW = height / width;
double maxRatio = 22 / 9;
imageWidth = ratioWH > 1.5
? maxWidth
: (ratioWH >= 1 || (height > width && ratioHW < 1.5))
? 2 * imageWidth
: 1.5 * imageWidth;
imageHeight = imageWidth * min(ratioHW, maxRatio);
} else if (picArr.length == 2) {
imageWidth = imageHeight = 2 * imageWidth;
}
BorderRadius borderRadius(index) {
if (picArr.length == 1) {
return StyleString.mdRadius;
}
final int row = picArr.length == 4 ? 2 : 3;
return BorderRadius.only(
topLeft: Radius.circular(
(index - row >= 0 ||
((index - 1) >= 0 && (index - 1) % row < index % row))
? 0
: 10,
),
topRight: Radius.circular(
(index - row >= 0 ||
((index + 1) < picArr.length &&
(index + 1) % row > index % row))
? 0
: 10,
),
bottomLeft: Radius.circular(
(index + row < picArr.length ||
((index - 1) >= 0 && (index - 1) % row < index % row))
? 0
: 10,
),
bottomRight: Radius.circular(
(index + row < picArr.length ||
((index + 1) < picArr.length &&
(index + 1) % row > index % row))
? 0
: 10,
),
);
}
late final enableLivePhoto = GStorage.enableLivePhoto;
int parseSize(size) {
return switch (size) {
int() => size,
double() => size.round(),
String() => int.tryParse(size) ?? 1,
_ => 1,
};
}
return NineGridView(
type: NineGridType.weiBo,
margin: const EdgeInsets.only(top: 6),
bigImageWidth: imageWidth,
bigImageHeight: imageHeight,
space: 5,
height: picArr.length == 1 ? imageHeight : null,
width: picArr.length == 1 ? imageWidth : maxWidth,
itemCount: picArr.length,
itemBuilder: (context, index) => Hero(
tag: picArr[index].url,
child: GestureDetector(
onTap: () {
if (callback != null) {
callback(picArr.map((item) => item.url).toList(), index);
} else {
onViewImage?.call();
context.imageView(
initialPage: index,
imgList: picArr.map(
(item) {
bool isLive = item.isLivePhoto && enableLivePhoto;
return SourceModel(
sourceType:
isLive ? SourceType.livePhoto : SourceType.networkImage,
url: item.url,
liveUrl: isLive ? item.liveUrl : null,
width: isLive ? parseSize(item.width) : null,
height: isLive ? parseSize(item.height) : null,
);
},
).toList(),
onDismissed: onDismissed,
);
}
},
child: Stack(
clipBehavior: Clip.none,
alignment: Alignment.center,
children: [
ClipRRect(
borderRadius: borderRadius(index),
child: NetworkImgLayer(
radius: 0,
src: picArr[index].url,
width: imageWidth,
height: imageHeight,
isLongPic: () => picArr[index].isLongPic,
callback: () =>
picArr[index].safeWidth <= picArr[index].safeHeight,
getPlaceHolder: () {
return Container(
width: imageWidth,
height: imageHeight,
decoration: BoxDecoration(
color: Theme.of(context)
.colorScheme
.onInverseSurface
.withOpacity(0.4),
borderRadius: borderRadius(index),
),
child: Center(
child: Image.asset(
'assets/images/loading.png',
width: imageWidth,
height: imageHeight,
cacheWidth: imageWidth.cacheSize(context),
),
),
);
},
),
),
if (picArr[index].isLivePhoto)
const PBadge(
text: 'Live',
right: 8,
bottom: 8,
type: 'gray',
)
else if (picArr[index].isLongPic)
const PBadge(
text: '长图',
right: 8,
bottom: 8,
),
],
),
),
),
);
}