/**
 * Copyright 2019-2020 Huawei Technologies Co., Ltd
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#ifndef GE_OP_WARP_PERSPECTIVE_OPS_H_
#define GE_OP_WARP_PERSPECTIVE_OPS_H_

#include "graph/operator_reg.h"
#include "graph/operator.h"

namespace ge {
/**
*@brief Applies a perspective transformation to an image.

*@par Inputs:
*@li x: input tensor, format NCHW, type must be float.
*@li matrix: transformation matrix, format ND , shape must be (N, 9), type must be float.

*@par Attributes:
*@li out_height:output height.
*@li out_width:output width.
*@li borderType:border processing way, only support BORDER_CONSTANT and BORDER_REPLICATE, default BORDER_CONSTANT.
*@li constant: border processed value when borderType is BORDER_CONSTANT.

*@par Outputs:
*@li y: output tensor, format NCHW, type must be float.
*/

REG_OP(WarpPerspective)
    .INPUT(x, TensorType({DT_FLOAT}))
    .INPUT(matrix, TensorType({DT_FLOAT}))
    .OUTPUT(y, TensorType({DT_FLOAT}))
    .REQUIRED_ATTR(out_height, Int)
    .REQUIRED_ATTR(out_width, Int)
    .ATTR(border_type, String, "BORDER_CONSTANT")
    .ATTR(constant, Float, 0)
    .OP_END_FACTORY_REG(WarpPerspective)
}  // namespace ge

#endif  // GE_OP_WARP_PERSPECTIVE_OPS_H_