38 lines
1 KiB
Dart
38 lines
1 KiB
Dart
part of 'image_request.dart';
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class LocalImageRequest extends ImageRequest {
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final String localId;
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final int width;
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final int height;
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final AssetType assetType;
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LocalImageRequest({required this.localId, required ui.Size size, required this.assetType})
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: width = size.width.toInt(),
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height = size.height.toInt();
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@override
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Future<ImageInfo?> load(ImageDecoderCallback decode, {double scale = 1.0}) async {
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if (_isCancelled) {
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return null;
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}
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final info = await localImageApi.requestImage(
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localId,
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requestId: requestId,
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width: width,
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height: height,
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isVideo: assetType == AssetType.video,
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);
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if (info == null) {
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return null;
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}
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final frame = await _fromDecodedPlatformImage(info["pointer"]!, info["width"]!, info["height"]!, info["rowBytes"]!);
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return frame == null ? null : ImageInfo(image: frame.image, scale: scale);
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}
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@override
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Future<void> _onCancelled() {
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return localImageApi.cancelRequest(requestId);
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}
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}
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