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/* SPDX-License-Identifier: LGPL-2.1-or-later */
/*
* Copyright (C) 2020, Raspberry Pi (Trading) Limited
*
* transform.h - 2D plane transforms
*/
#ifndef __LIBCAMERA_TRANSFORM_H__
#define __LIBCAMERA_TRANSFORM_H__
#include <string>
namespace libcamera {
enum class Transform : int {
Identity = 0,
Rot0 = Identity,
HFlip = 1,
VFlip = 2,
HVFlip = HFlip | VFlip,
Rot180 = HVFlip,
Transpose = 4,
Rot270 = HFlip | Transpose,
Rot90 = VFlip | Transpose,
Rot180Transpose = HFlip | VFlip | Transpose
};
constexpr Transform operator&(Transform t0, Transform t1)
{
return static_cast<Transform>(static_cast<int>(t0) & static_cast<int>(t1));
}
constexpr Transform operator|(Transform t0, Transform t1)
{
return static_cast<Transform>(static_cast<int>(t0) | static_cast<int>(t1));
}
constexpr Transform operator^(Transform t0, Transform t1)
{
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