/*

** draw_line.c for fdf in /home/coutar_a/Documents/I_graph/tp_04/draw_line

**

** Made by coutar_a

** Login <coutar_a@epitech.net>

**

** Started on Mon Dec 2 17:31:27 2013 coutar_a

** Last update Fri Dec 6 16:05:48 2013 coutar_a

*/

#include "fdf.h"

int draw_line_horizontal(int x1, int y1, int x2, int y2, t_ptr *ptr)

{

int x;

if (x2 < x1)

{

x = x2;

while (x++ <= x1)

mlx_pixel_put(ptr->mlx_ptr, ptr->win_ptr, x, Y_PLOT(x2, y2, x1, y1, x), 0xFFFFFF);

}

if (x2 > x1)

{

x = x1;

while (x++ <= x2)

mlx_pixel_put(ptr->mlx_ptr, ptr->win_ptr, x, Y_PLOT(x1, y1, x2, y2, x), 0xFFFFFF);

}

}

int draw_line_vertical(int x1, int y1, int x2, int y2, t_ptr *ptr)

{

int y;

if (y2 > y1)

{

y = y2;

while (y-- >= y1)

mlx_pixel_put(ptr->mlx_ptr, ptr->win_ptr, X_PLOT(x2, y2, x1, y1, y), y, 0xFFFFFF);

}

if (y1 > y2)

{

y = y1;

while (y-- >= y2)

mlx_pixel_put(ptr->mlx_ptr, ptr->win_ptr, X_PLOT(x1, y1, x2, y2, y), y, 0xFFFFFF);

}

}

int draw_line(int x1, int y1, int x2, int y2, t_ptr *ptr)

{

if (ABS((x2 - x1)) > ABS((y2 - y1)))

draw_line_horizontal(x1, y1, x2, y2, ptr);

if (ABS((x2 - x1)) <= ABS((y2 - y1)))

draw_line_vertical(x1, y1, x2, y2, ptr);

}