plotting_util.h

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/*
 * Copyright 2026 MusicScience37 (Kenta Kabashima)
 *
 * 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.
 */
#pragma once
 
#include <opencv2/core.hpp>
 
#include "func_sketch/plotter/image.h"
#include "func_sketch/plotter/plot_config.h"
#include "func_sketch/plotter/plot_range.h"
#include "func_sketch/plotter/point.h"
#include "func_sketch/plotter/rgb_color.h"
 
namespace func_sketch::plotter {

[[nodiscard]] cv::Scalar convert_color(const RGBColor& color);

[[nodiscard]] cv::Point convert_position(const Point& position,
    const PlotRange& range, const PlotConfig& config, int left_margin,
    const cv::MatSize& size);

void write_line(Image& image, const Point& start_point, const Point& end_point,
    const cv::Scalar& color, int line_width, const PlotRange& range,
    const PlotConfig& config, int left_margin);

[[nodiscard]] bool try_clamp_infinity(Point& point, const PlotRange& range);

[[nodiscard]] Point compute_intersection_with_range(const Point& point_in_range,
    const Point& point_out_of_range, const PlotRange& range);
 
}  // namespace func_sketch::plotter