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[mob][photos remove old clip preprocessing code

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This commit is contained in:
laurenspriem
2024-09-25 23:04:29 +05:30
parent 70476b2011
commit fa19254bbc
1 changed files with 1 additions and 39 deletions
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40
mobile/lib/utils/image_ml_util.dart
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@@ -1,6 +1,6 @@
import "dart:async";
import "dart:io" show File, Platform;
import "dart:math" show exp, max, min, pi;
import "dart:math" show exp, min, pi;
import "dart:typed_data" show Float32List, Uint8List;
import "dart:ui";
@@ -231,44 +231,6 @@ Future<(Float32List, Dimensions)> preprocessImageToFloat32ChannelsFirst(
return (processedBytes, Dimensions(width: scaledWidth, height: scaledHeight));
}
Future<Float32List> preprocessImageClip(
Image image,
Uint8List rawRgbaBytes,
) async {
const int requiredWidth = 256;
const int requiredHeight = 256;
const int requiredSize = 3 * requiredWidth * requiredHeight;
final scale = max(requiredWidth / image.width, requiredHeight / image.height);
final bool useAntiAlias = scale < 0.8;
final scaledWidth = (image.width * scale).round();
final scaledHeight = (image.height * scale).round();
final widthOffset = max(0, scaledWidth - requiredWidth) / 2;
final heightOffset = max(0, scaledHeight - requiredHeight) / 2;
final processedBytes = Float32List(requiredSize);
final buffer = Float32List.view(processedBytes.buffer);
int pixelIndex = 0;
const int greenOff = requiredHeight * requiredWidth;
const int blueOff = 2 * requiredHeight * requiredWidth;
for (var h = 0 + heightOffset; h < scaledHeight - heightOffset; h++) {
for (var w = 0 + widthOffset; w < scaledWidth - widthOffset; w++) {
final RGB pixel = _getPixelBilinear(
w / scale,
h / scale,
image,
rawRgbaBytes,
antiAlias: useAntiAlias,
);
buffer[pixelIndex] = pixel.$1 / 255;
buffer[pixelIndex + greenOff] = pixel.$2 / 255;
buffer[pixelIndex + blueOff] = pixel.$3 / 255;
pixelIndex++;
}
}
return processedBytes;
}
Future<(Float32List, List<AlignmentResult>, List<bool>, List<double>, Size)>
preprocessToMobileFaceNetFloat32List(
Image image,