mlx_put_pixel.c

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/* ************************************************************************** */
/*                                                                            */
/*                                                        ::::::::            */
/*   mlx_put_pixel.c                                    :+:    :+:            */
/*                                                     +:+                    */
/*   By: W2Wizard <main@w2wizard.dev>                 +#+                     */
/*                                                   +#+                      */
/*   Created: 2021/12/28 03:30:13 by W2Wizard      #+#    #+#                 */
/*   Updated: 2022/06/29 16:00:30 by lde-la-h      ########   odam.nl         */
/*                                                                            */
/* ************************************************************************** */
 
#include "MLX42/MLX42_Int.h"
 
// BUG: Linux may experience a red hue instead due to endianness
void mlx_draw_pixel(uint8_t* pixel, uint32_t color)
{
    *(pixel++) = (uint8_t)(color >> 24);
    *(pixel++) = (uint8_t)(color >> 16);
    *(pixel++) = (uint8_t)(color >> 8);
    *(pixel++) = (uint8_t)(color & 0xFF);
}
 
//= Public =//
 
void mlx_put_pixel(mlx_image_t* image, uint32_t x, uint32_t y, uint32_t color)
{
    MLX_NONNULL(image);
    MLX_ASSERT(x < image->width, "Pixel is out of bounds");
    MLX_ASSERT(y < image->height, "Pixel is out of bounds");
 
    uint8_t* pixelstart = &image->pixels[(y * image->width + x) * BPP];
    mlx_draw_pixel(pixelstart, color);
}