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draw to buffer

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mertalev 2025-07-21 14:34:09 +03:00
parent 91a5989929
commit a3fc5d80bb
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3 changed files with 23 additions and 15 deletions
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24
mobile/ios/Runner/Images/ThumbnailsImpl.swift
View File

@ -20,6 +20,8 @@ class ThumbnailApiImpl: ThumbnailApi {
return requestOptions
}()
private static let processingQueue = DispatchQueue(label: "thumbnail.processing", qos: .userInteractive, attributes: .concurrent)
private static let rgbColorSpace = CGColorSpaceCreateDeviceRGB()
private static let bitmapInfo = CGBitmapInfo(rawValue: CGImageAlphaInfo.premultipliedLast.rawValue).rawValue
func setThumbnailToBuffer(pointer: Int64, assetId: String, width: Int64, height: Int64, completion: @escaping (Result<Void, any Error>) -> Void) {
guard let bufferPointer = UnsafeMutableRawPointer(bitPattern: Int(pointer))
@ -35,18 +37,16 @@ class ThumbnailApiImpl: ThumbnailApi {
resultHandler: { (image, info) -> Void in
guard let image = image,
let cgImage = image.cgImage,
let dataProvider = cgImage.dataProvider,
let pixelData = dataProvider.data
else { completion(.failure(PigeonError(code: "", message: "Could not get pixel data for \(assetId)", details: nil))); return }
guard let sourceBuffer = CFDataGetBytePtr(pixelData)
else { completion(.failure(PigeonError(code: "", message: "Could not get pixel data buffer for \(assetId)", details: nil))); return }
let dataLength = CFDataGetLength(pixelData)
let bufferLength = width * height * 4
guard dataLength <= bufferLength
else { completion(.failure(PigeonError(code: "", message: "Buffer is not large enough (\(bufferLength) vs \(dataLength) for \(assetId)", details: nil))); return }
bufferPointer.copyMemory(from: sourceBuffer, byteCount: dataLength)
let context = CGContext(
data: bufferPointer,
width: cgImage.width,
height: cgImage.height,
bitsPerComponent: 8,
bytesPerRow: cgImage.width * 4,
space: Self.rgbColorSpace,
bitmapInfo: Self.bitmapInfo
) else { completion(.failure(PigeonError(code: "", message: "Could not get pixel data for \(assetId)", details: nil))); return }
context.draw(cgImage, in: CGRect(x: 0, y: 0, width: cgImage.width, height: cgImage.height))
completion(.success(()))
}
)

4
mobile/lib/presentation/widgets/images/thumbnail.widget.dart
View File

@ -92,7 +92,7 @@ class _ThumbnailState extends State<Thumbnail> {
if (oldWidget.blurhash != widget.blurhash ||
oldWidget.localId != widget.localId ||
oldWidget.remoteId != widget.remoteId ||
oldWidget.thumbhashOnly != widget.thumbhashOnly) {
oldWidget.thumbhashOnly && !widget.thumbhashOnly) {
_decode();
}
}
@ -106,7 +106,7 @@ class _ThumbnailState extends State<Thumbnail> {
final blurhash = widget.blurhash;
final imageFuture = thumbhashOnly ? Future.value(null) : _decodeFromFile();
if (blurhash != null) {
if (blurhash != null && _image == null) {
final image = thumbhash.thumbHashToRGBA(base64.decode(blurhash));
try {
await _decodeThumbhash(

10
mobile/lib/presentation/widgets/images/thumbnail_tile.widget.dart
View File

@ -6,6 +6,7 @@ import 'package:immich_mobile/extensions/build_context_extensions.dart';
import 'package:immich_mobile/extensions/duration_extensions.dart';
import 'package:immich_mobile/extensions/theme_extensions.dart';
import 'package:immich_mobile/presentation/widgets/images/thumbnail.widget.dart';
import 'package:immich_mobile/presentation/widgets/timeline/timeline.state.dart';
import 'package:immich_mobile/providers/timeline/multiselect.provider.dart';
class ThumbnailTile extends ConsumerWidget {
@ -38,6 +39,8 @@ class ThumbnailTile extends ConsumerWidget {
final isSelected = ref.watch(
multiSelectProvider.select((multiselect) => multiselect.selectedAssets.contains(asset)),
);
final isScrubbing =
ref.watch(timelineStateProvider.select((state) => state.isScrubbing));
final borderStyle = lockSelection
? BoxDecoration(
@ -68,7 +71,12 @@ class ThumbnailTile extends ConsumerWidget {
Positioned.fill(
child: Hero(
tag: '${asset?.heroTag ?? ''}_$heroIndex',
child: Thumbnail.fromBaseAsset(asset: asset, fit: fit, size: size),
child: Thumbnail.fromBaseAsset(
asset: asset,
fit: fit,
size: size,
thumbhashOnly: isScrubbing,
),
),
),
if (hasStack)