image_filters.h

/*
 * Copyright 2023 Adobe. All rights reserved.
 * This file is licensed to you 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 REPRESENTATIONS
 * OF ANY KIND, either express or implied. See the License for the specific language
 * governing permissions and limitations under the License.
 */
#pragma once
 
#include <lagrange/image/ImageView.h>
 
namespace lagrange {
namespace image {
 
void make_box_kernel(size_t size, image::ImageView<float>& kernel);
 
void make_sobelh_kernel(image::ImageView<float>& kernel);
 
void make_sobelv_kernel(image::ImageView<float>& kernel);
 
void make_gaussian_kernel(image::ImageView<float>& kernel);
 
void make_weighted_avg_xkernel(image::ImageView<float>& kernel);
 
void make_weighted_avg_ykernel(image::ImageView<float>& kernel);
 
void make_diff_xkernel(image::ImageView<float>& kernel);
 
void make_diff_ykernel(image::ImageView<float>& kernel);
 
void convolve(
    const image::ImageView<float>& image,
    const image::ImageView<float>& kernel,
    image::ImageView<float>& result);
 
void sobel_x(const image::ImageView<float>& image, image::ImageView<float>& result);
 
void sobel_y(const image::ImageView<float>& image, image::ImageView<float>& result);
 
void image_dxx(const image::ImageView<float>& image, image::ImageView<float>& result);
 
void image_dyy(const image::ImageView<float>& image, image::ImageView<float>& result);
 
} // namespace image
} // namespace lagrange