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// Copyright 2025 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "components/omnibox/composebox/composebox_image_helper.h"
#include <numbers>
#include <optional>
#include <vector>
#include "base/memory/ref_counted_memory.h"
#include "base/memory/scoped_refptr.h"
#include "base/numerics/safe_math.h"
#include "components/lens/lens_bitmap_processing.h"
#include "components/lens/ref_counted_lens_overlay_client_logs.h"
#include "ui/gfx/geometry/rect.h"
#include "ui/gfx/geometry/size.h"
#include "ui/gfx/image/image_skia_operations.h"
namespace {
SkBitmap DownscaleImageIfNeeded(
const SkBitmap& image,
scoped_refptr<lens::RefCountedLensOverlayClientLogs> client_logs,
const composebox::ImageEncodingOptions& image_options) {
auto size = gfx::Size(image.width(), image.height());
if (lens::ShouldDownscaleSize(size, image_options.max_size,
image_options.max_width,
image_options.max_height)) {
return lens::DownscaleImage(image, image_options.max_width,
image_options.max_height, client_logs);
}
// No downscaling needed.
return image;
}
} // namespace
namespace composebox {
lens::ImageData DownscaleAndEncodeBitmap(
const SkBitmap& image,
scoped_refptr<lens::RefCountedLensOverlayClientLogs> client_logs,
const ImageEncodingOptions& image_options) {
lens::ImageData image_data;
scoped_refptr<base::RefCountedBytes> data =
base::MakeRefCounted<base::RefCountedBytes>();
auto resized_bitmap =
DownscaleImageIfNeeded(image, client_logs, image_options);
if (image_options.enable_webp_encoding
? lens::EncodeImageMaybeWithTransparency(
resized_bitmap, image_options.compression_quality, data,
client_logs)
: lens::EncodeImage(resized_bitmap, image_options.compression_quality,
data, client_logs)) {
image_data.mutable_image_metadata()->set_height(resized_bitmap.height());
image_data.mutable_image_metadata()->set_width(resized_bitmap.width());
image_data.mutable_payload()->mutable_image_bytes()->assign(data->begin(),
data->end());
}
return image_data;
}
} // namespace composebox
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