| // 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. |
| |
| #ifndef COMPONENTS_LENS_LENS_BITMAP_PROCESSING_H_ |
| #define COMPONENTS_LENS_LENS_BITMAP_PROCESSING_H_ |
| |
| #include "base/memory/ref_counted_memory.h" |
| #include "base/memory/scoped_refptr.h" |
| #include "components/lens/ref_counted_lens_overlay_client_logs.h" |
| #include "third_party/skia/include/core/SkBitmap.h" |
| #include "ui/gfx/geometry/size.h" |
| |
| namespace lens { |
| |
| // Returns true if the area is larger than the max area AND one of the width OR |
| // height exceeds the configured max values. |
| bool ShouldDownscaleSize(const gfx::Size& size, |
| int max_area, |
| int max_width, |
| int max_height); |
| |
| // Returns the preferred scale for the given original size and target width and |
| // height. |
| double GetPreferredScale(const gfx::Size& original_size, |
| int target_width, |
| int target_height); |
| |
| // Returns the preferred size for the given original size and target width and |
| // height. The preferred size is the original size scaled down to the target |
| // width and height. |
| gfx::Size GetPreferredSize(const gfx::Size& original_size, |
| int target_width, |
| int target_height); |
| |
| // Outputs image processing data to the client logs for the downscale phase, |
| // including the original and downscaled image sizes. |
| void AddClientLogsForDownscale( |
| scoped_refptr<lens::RefCountedLensOverlayClientLogs> client_logs, |
| const SkBitmap& original_image, |
| const SkBitmap& downscaled_image); |
| |
| // Outputs image processing data to the client logs for the encode phase, |
| // including the encoded image size. |
| void AddClientLogsForEncode( |
| scoped_refptr<lens::RefCountedLensOverlayClientLogs> client_logs, |
| scoped_refptr<base::RefCountedBytes> output_bytes); |
| |
| // Downscales the image to the target width and height. Outputs image processing |
| // data to the client logs. |
| SkBitmap DownscaleImage( |
| const SkBitmap& image, |
| int target_width, |
| int target_height, |
| scoped_refptr<lens::RefCountedLensOverlayClientLogs> client_logs); |
| |
| // Encodes the image using JPEG. Outputs image processing data to the client |
| // logs. |
| bool EncodeImage( |
| const SkBitmap& image, |
| int compression_quality, |
| scoped_refptr<base::RefCountedBytes> output, |
| scoped_refptr<lens::RefCountedLensOverlayClientLogs> client_logs); |
| |
| // Encodes the image using JPEG if it is opaque, otherwise uses WebP. Outputs |
| // image processing data to the client logs. |
| bool EncodeImageMaybeWithTransparency( |
| const SkBitmap& image, |
| int compression_quality, |
| scoped_refptr<base::RefCountedBytes> output, |
| scoped_refptr<lens::RefCountedLensOverlayClientLogs> client_logs); |
| |
| } // namespace lens |
| |
| #endif // COMPONENTS_LENS_LENS_BITMAP_PROCESSING_H_ |
