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/*
* Copyright (c) 2016, 2017 ARM Limited.
*
* SPDX-License-Identifier: MIT
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to
* deal in the Software without restriction, including without limitation the
* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
* sell copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#ifndef __ARM_COMPUTE_PYRAMIDINFO_H__
#define __ARM_COMPUTE_PYRAMIDINFO_H__
#include "arm_compute/core/TensorShape.h"
#include "arm_compute/core/Types.h"
#include <cstddef>
namespace arm_compute
{
/** Store the Pyramid's metadata */
class PyramidInfo
{
public:
/** Default constructor */
PyramidInfo();
/** Default destructor */
virtual ~PyramidInfo() = default;
/** Allow instances of this class to be copy constructed */
PyramidInfo(const PyramidInfo &) = default;
/** Allow instances of this class to be copied */
PyramidInfo &operator=(const PyramidInfo &) = default;
/** Allow instances of this class to be move constructed */
PyramidInfo(PyramidInfo &&) = default;
/** Allow instances of this class to be moved */
PyramidInfo &operator=(PyramidInfo &&) = default;
/** Create pyramid info for 2D tensors
*
* @param[in] num_levels The number of pyramid levels. This is required to be a non-zero value
* @param[in] scale Used to indicate the scale between the pyramid levels.
* This is required to be a non-zero positive value.
* @param[in] width The width of the 2D tensor at 0th pyramid level
* @param[in] height The height of the 2D tensor at 0th pyramid level
* @param[in] format The format of all 2D tensors in the pyramid
* NV12, NV21, IYUV, UYVY and YUYV formats are not supported.
*/
PyramidInfo(size_t num_levels, float scale, size_t width, size_t height, Format format);
/** Create pyramid info using TensorShape
*
* @param[in] num_levels The number of pyramid levels. This is required to be a non-zero value
* @param[in] scale Used to indicate the scale between the pyramid levels.
* This is required to be a non-zero positive value.
* @param[in] tensor_shape It specifies the size for each dimension of the tensor 0th pyramid level in number of elements
* @param[in] format The format of all tensors in the pyramid
*/
PyramidInfo(size_t num_levels, float scale, const TensorShape &tensor_shape, Format format);
/** Initialize pyramid's metadata for 2D tensors
*
* @param[in] num_levels The number of pyramid levels. This is required to be a non-zero value
* @param[in] scale Used to indicate the scale between the pyramid levels.
* This is required to be a non-zero positive value.
* @param[in] width The width of the 2D tensor at 0th pyramid level
* @param[in] height The height of the 2D tensor at 0th pyramid level
* @param[in] format The format of all 2D tensors in the pyramid
* NV12, NV21, IYUV, UYVY and YUYV formats are not supported.
*/
void init(size_t num_levels, float scale, size_t width, size_t height, Format format);
/** Initialize pyramid's metadata using TensorShape
*
* @param[in] num_levels The number of pyramid levels. This is required to be a non-zero value
* @param[in] scale Used to indicate the scale between the pyramid levels.
* This is required to be a non-zero positive value.
* @param[in] tensor_shape It specifies the size for each dimension of the tensor 0th pyramid level in number of elements
* @param[in] format The format of all tensors in the pyramid
*/
void init(size_t num_levels, float scale, const TensorShape &tensor_shape, Format format);
/** Return the number of the pyramid levels
*
* @return The number of the pyramid levels
*/
size_t num_levels() const;
/** Return the width of the 0th level tensor
*
* @return The width of the 0th level tensor
*/
size_t width() const;
/** Return the height of the 0th level tensor
*
* @return The height of the 0th level tensor
*/
size_t height() const;
/** Return the TensorShape of the o-th level tensor
*
* @return
*/
const TensorShape &tensor_shape() const;
/** Return the image format of all tensor in the pyramid
*
* @return The image format
*/
Format format() const;
/** Return the scale factor of the pyramid
*
* @return Return the scale factor
*/
float scale() const;
private:
size_t _num_levels;
TensorShape _tensor_shape;
Format _format;
float _scale;
};
}
#endif /*__ARM_COMPUTE_PYRAMIDINFO_H__ */
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