init.c

/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   init.c                                             :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: slouham <slouham@student.42.fr>            +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2024/07/17 15:44:53 by slouham           #+#    #+#             */
/*   Updated: 2024/07/18 14:37:05 by slouham          ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include "fractol.h"

static	void	malloc_error(void)
{
	write(2, "Problems with malloc", 20);
	exit(EXIT_FAILURE);
}

static void	data_init(t_fractal *fractal)
{
	fractal->escape_value = 4;
	fractal->iterations = 50;
	fractal->shift_x = 0.0;
	fractal->shift_y = 0.0;
	fractal->zoom = 1.0;
}

static void	events_init(t_fractal *fractal)
{
	mlx_hook(fractal->mlx_window,
		KeyPress,
		KeyPressMask,
		key_handler,
		fractal);
	mlx_hook(fractal->mlx_window,
		ButtonPress,
		ButtonPressMask,
		mouse_handler,
		fractal);
	mlx_hook(fractal->mlx_window,
		DestroyNotify,
		StructureNotifyMask,
		close_handler,
		fractal);
}

void	fractal_init(t_fractal *fractal)
{
	fractal->mlx_connection = mlx_init();
	if (fractal->mlx_connection == NULL)
		malloc_error();
	fractal->mlx_window = mlx_new_window(fractal->mlx_connection,
			WIDTH, HEIGHT, fractal->name);
	if (fractal->mlx_window == NULL)
	{
		mlx_destroy_display(fractal->mlx_connection);
		free(fractal->mlx_connection);
		malloc_error();
	}
	fractal->img.img_ptr = mlx_new_image(fractal->mlx_connection,
			WIDTH, HEIGHT);
	if (fractal->img.img_ptr == NULL)
	{
		mlx_destroy_window(fractal->mlx_connection, fractal->mlx_window);
		mlx_destroy_display(fractal->mlx_connection);
		free(fractal->mlx_connection);
		malloc_error();
	}
	fractal->img.pixels_ptr = mlx_get_data_addr(fractal->img.img_ptr,
			&fractal->img.bpp, &fractal->img.line_len,
			&fractal->img.endian);
	events_init(fractal);
	data_init(fractal);
}