#pragma once

#ifndef igs_gaussian_blur_hv_h
#define igs_gaussian_blur_hv_h

#ifndef IGS_GAUSSIAN_BLUR_HV_EXPORT
#define IGS_GAUSSIAN_BLUR_HV_EXPORT
#endif

namespace igs {
namespace gaussian_blur_hv {
IGS_GAUSSIAN_BLUR_HV_EXPORT const int int_radius(const double real_radius);
IGS_GAUSSIAN_BLUR_HV_EXPORT const int buffer_bytes(const int height_with_margin,
                                                   const int width_with_margin,
                                                   const int int_radius);
IGS_GAUSSIAN_BLUR_HV_EXPORT void convert(
    /* 入出力画像 */
    const float* in_with_margin, float* out_no_margin,
    const int height_with_margin, const int width_with_margin,
    const int channels,
    /* Pixel毎に効果の強弱 */
    const float* ref, /* 求める画像(out)と同じ高、幅、ch数 */
    /* 計算バッファ */
    void* buffer,
    int buffer_bytes,  // Must be igs::gaussian_blur_hv::buffer_bytes(-)
    /* Action Geometry */
    const int int_radius,  // =margin
    const double real_radius, const double sigma = 0.25);
}  // namespace gaussian_blur_hv
}  // namespace igs

#endif /* !igs_gaussian_blur_hv_h */