CLCannyEdge.h

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/*
 * Copyright (c) 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_CLCANNYEDGE_H__
#define __ARM_COMPUTE_CLCANNYEDGE_H__

#include "arm_compute/runtime/IFunction.h"

#include "arm_compute/core/CL/kernels/CLCannyEdgeKernel.h"
#include "arm_compute/core/CL/kernels/CLFillBorderKernel.h"
#include "arm_compute/runtime/CL/CLMemoryGroup.h"
#include "arm_compute/runtime/CL/CLTensor.h"
#include "arm_compute/runtime/IMemoryManager.h"

#include <memory>

namespace arm_compute
{
class ICLTensor;

class CLCannyEdge : public IFunction
{
public:
    CLCannyEdge(std::shared_ptr<IMemoryManager> memory_manager = nullptr);
    void configure(ICLTensor *input, ICLTensor *output, int32_t upper_thr, int32_t lower_thr, int32_t gradient_size, int32_t norm_type,
                   BorderMode border_mode, uint8_t constant_border_value = 0);

    // Inherited methods overridden:
    virtual void run() override;

private:
    CLMemoryGroup                 _memory_group;                                    
    std::unique_ptr<IFunction>    _sobel;                                           
    CLGradientKernel              _gradient;                                        
    CLFillBorderKernel            _border_mag_gradient;                             
    CLEdgeNonMaxSuppressionKernel _non_max_suppr;                                   
    CLEdgeTraceKernel             _edge_trace;                                      
    CLImage                       _gx;                                              
    CLImage                       _gy;                                              
    CLImage                       _mag;                                             
    CLImage                       _phase;                                           
    CLImage                       _nonmax;                                          
    CLImage                       _visited, _recorded, _l1_list_counter, _l1_stack; 
};
}

#endif /* __ARM_COMPUTE_CLCANNYEDGE_H__ */