/* SPDX-License-Identifier: GPL-3.0-or-later */
/* Copyright (C) 2021 KikooDX */

#include "scale.h"
#include "options.h"
#include <raylib.h>

float scale_editor(struct Options options)
{
	const float w_ratio =
	    (float)GetScreenWidth() / options.editor_width;
	const float h_ratio =
	    (float)GetScreenHeight() / options.editor_height;
	return (w_ratio < h_ratio) ? w_ratio : h_ratio;
}

Vector2 offset_editor(struct Options options)
{
	const float scaling = scale_editor(options);
	return (Vector2){
	    ((float)GetScreenWidth() - options.editor_width * scaling) /
		2,
	    ((float)GetScreenHeight() -
	     options.editor_height * scaling) /
		2};
}

float scale_picker(struct Options options)
{
	const float w_ratio =
	    (float)GetScreenWidth() / options.picker_window_width;
	const float h_ratio =
	    (float)GetScreenHeight() / options.picker_window_height;
	return (w_ratio < h_ratio) ? w_ratio : h_ratio;
}

Vector2 offset_picker(struct Options options)
{
	const float scaling = scale_picker(options);
	return (Vector2){((float)GetScreenWidth() -
	                  options.picker_window_width * scaling) /
	                     2,
	                 ((float)GetScreenHeight() -
	                  options.picker_window_height * scaling) /
	                     2};
}