reshape_layer.cpp

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#include "../precomp.hpp"
#include "layers_common.hpp"
#include "reshape_layer.hpp"
#include <opencv2/dnn/shape_utils.hpp>

namespace cv
{
namespace dnn
{

ReshapeLayerImpl::ReshapeLayerImpl(const BlobShape &newShape_, Range applyingRange_)
{
    newShapeDesc = newShape_;
    newShapeRange = applyingRange_;
}

void ReshapeLayerImpl::allocate(const std::vector<Blob*> &inputs, std::vector<Blob> &outputs)
{
    outputs.resize(inputs.size());
    outShapes.resize(inputs.size());

    for (size_t i = 0; i < inputs.size(); i++)
    {
        outShapes[i] = computeShapeByReshapeMask(inputs[i]->shape(), newShapeDesc, newShapeRange);
        outputs[i].shareFrom(*inputs[i]);
        outputs[i].reshape(outShapes[i]);
    }
}

void ReshapeLayerImpl::forward(std::vector<Blob*> &inputs, std::vector<Blob> &outputs)
{
    for (size_t i = 0; i < outputs.size(); i++)
    {
        outputs[i].shareFrom(*inputs[i]);
        outputs[i].reshape(outShapes[i]);
    }
}

Ptr<ReshapeLayer> ReshapeLayer::create(const BlobShape &newShape, Range applyingRange /*= Range::all()*/)
{
    return Ptr<ReshapeLayer>(new ReshapeLayerImpl(newShape, applyingRange));
}


}
}