project-swan/libswan/include/swan/drawutil.h

#pragma once

#include <SDL.h>
#include <optional>
#include <initializer_list>
#include <utility>
#include <cygnet/util.h>

namespace Swan {
namespace Draw {

Cygnet::Color linearGradient(
		float val, std::initializer_list<std::pair<float, Cygnet::Color>> colors);

/*
void parallaxBackground(
		Win &win, SDL_Texture *tex,
		std::optional<SDL_Rect> srcrect, std::optional<SDL_Rect> destrect,
		float x, float y, float factor);
TODO */

}
}