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/* SPDX-License-Identifier: LGPL-2.1-or-later */
/*
* Copyright (C) 2020, Google Inc.
*
* thumbnailer.h - Simple image thumbnailer
*/
#ifndef __ANDROID_JPEG_THUMBNAILER_H__
#define __ANDROID_JPEG_THUMBNAILER_H__
#include <libcamera/geometry.h>
#include "libcamera/internal/buffer.h"
#include "libcamera/internal/formats.h"
class Thumbnailer
{
public:
Thumbnailer();
void configure(const libcamera::Size &sourceSize,
libcamera::PixelFormat pixelFormat);
void createThumbnail(const libcamera::FrameBuffer &source,
std::vector<unsigned char> *dest);
const libcamera::Size &size() const { return targetSize_; }
private:
libcamera::Size computeThumbnailSize() const;
libcamera::PixelFormat pixelFormat_;
libcamera::Size sourceSize_;
libcamera::Size targetSize_;
bool valid_;
};
#endif /* __ANDROID_JPEG_THUMBNAILER_H__ */
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