/*
** bar.c for  in /home/gayot_o/prog/lib/sdl-digit
** 
** Made by olivier gayot
** Login   <gayot_o@epitech.net>
** 
** Started on  Mon Apr 23 08:05:18 2012 olivier gayot
** Last update Mon Apr 23 08:05:18 2012 olivier gayot
*/

#include		"sdl_digit.h"

void		draw_horizontal_bar(SDL_Surface *surf, SDL_Rect *rect, int size, Uint32 color) {
  for (int j = 0; j < size / 5; ++j) {
    int		decal = ABS((size / 5) / 2 - j);
    SDL_Rect	begin = get_rect(rect->x + decal, rect->y + j, 0,0);
    SDL_Rect	end = get_rect(rect->x + size - decal, rect->y + j, 0,0);
    draw_line(surf, begin, end, color);
  }
}

void		draw_semi_horizontal_bar(SDL_Surface *surf, SDL_Rect *rect, int size, Uint32 color) {
  for (int j = 0; j < size / 5; ++j) {
    int		decal = ABS((size / 5) / 2 - j);
    SDL_Rect	begin = get_rect(rect->x + decal, rect->y + j, 0,0);
    SDL_Rect	end = get_rect(rect->x + size / 2 - decal, rect->y + j, 0,0);
    draw_line(surf, begin, end, color);
  }
}

void		draw_vertical_bar(SDL_Surface *surf, SDL_Rect *rect, int size, Uint32 color) {
  int		l = size / 5;
  for (int i = 0; i < l; ++i) {
    int		decal = ABS(l / 2 - i);
    SDL_Rect	begin = get_rect(rect->x + i, rect->y + decal, 0, 0);
    SDL_Rect	end = get_rect(rect->x + i, rect->y + size - decal, 0, 0);
    draw_line(surf, begin, end, color);
  }
}

void		draw_semi_vertical_bar(SDL_Surface *surf, SDL_Rect *rect, int size, Uint32 color) {
  int		l = size / 5;
  for (int i = 0; i < l; ++i) {
    int		decal = ABS(l / 2 - i);
    SDL_Rect	begin = get_rect(rect->x + i, rect->y + decal, 0, 0);
    SDL_Rect	end = get_rect(rect->x + i, rect->y + size / 2 - decal, 0, 0);
    draw_line(surf, begin, end, color);
  }
}

void		draw_diag_left_bar(SDL_Surface *surf, SDL_Rect *rect, int size, Uint32 color) {
  float		l = ((float)size / 5.f);
  int		b = l / 2;
  int		h = size - 2 * b;
  int		a = (int)(l / (sqrtf(2.f)));
  SDL_Rect	begin;
  SDL_Rect	end;

  for (int y = 0; y < h; ++y) {
    begin.x = 0;
    begin.y = rect->y + y;
    end.x = a + y;
    end.y = rect->y + y;
    if (y > a)
      begin.x += y - a;
    if (y >= h - a)
      end.x -= y - (h - a);
    begin.x += rect->x;
    end.x += rect->x;
    draw_line(surf, begin, end, color);
  }
}

void		draw_diag_right_bar(SDL_Surface *surf, SDL_Rect *rect, int size, Uint32 color) {
  float		l = ((float)size / 5.f);
  int		b = l / 2;
  int		h = size - 2 * b;
  int		a = (int)(l / (sqrtf(2.f)));
  SDL_Rect	begin;
  SDL_Rect	end;

  for (int y = 0; y < h; ++y) {
    begin.x = 0;
    begin.y = rect->y + y;
    end.x = a + y;
    end.y = rect->y + y;
    if (y > a)
      begin.x += y - a;
    if (y >= h - a)
      end.x -= y - (h - a);
    begin.x = h - begin.x;
    end.x = h - end.x;
    begin.x += rect->x;
    end.x += rect->x;
    draw_line(surf, begin, end, color);
  }
}

void		draw_backslash_bar(SDL_Surface *surf, SDL_Rect *rect, int size, Uint32 color) {
  float		l = ((float)size / 5.f);
  int		b = l / 2;
  int		h = size - 2 * b;
  int		a = (int)(l / (sqrtf(2.f)));
  SDL_Rect	begin;
  SDL_Rect	end;

  for (int y = 0; y < h; ++y) {
    begin.y = rect->y + y;
    end.y = rect->y + y;

    begin.x = 0;
    end.x = a + y / 2;
    
    if (y > a)
      begin.x += (y / 2) - a / 2;
    if (y >= h - a)
      end.x -= (y - (h - a)) / 2;
    begin.x += rect->x;
    end.x += rect->x;
    draw_line(surf, begin, end, color);
  }
}

void		draw_slash_bar(SDL_Surface *surf, SDL_Rect *rect, int size, Uint32 color) {
  float		l = ((float)size / 5.f);
  int		b = l / 2;
  int		h = size - 2 * b;
  int		a = (int)(l / (sqrtf(2.f)));
  SDL_Rect	begin;
  SDL_Rect	end;

  for (int y = 0; y < h; ++y) {
    begin.y = rect->y + y;
    end.y = rect->y + y;

    begin.x = 0;
    end.x = a + y / 2;
    
    if (y > a)
      begin.x += (y / 2) - a / 2;
    if (y >= h - a)
      end.x -= (y - (h - a)) / 2;
    begin.x = h / 2 - begin.x;
    begin.x += rect->x;
    end.x = h / 2 - end.x;
    end.x += rect->x;
    draw_line(surf, begin, end, color);
  }
}

/* id is :
 *  0
 * 1 2
 *  3
 * 4 5
 *  6
 */

void		draw_bar_id(SDL_Surface *surf, SDL_Rect *rect, int size, Uint32 color, int id) {
  SDL_Rect	*rect_;

  switch (id) {
    case 0:
      rect_ = new_rect(rect->x + (size / 5) / 2, rect->y, 0, 0);
      draw_horizontal_bar(surf, rect_, size, color);
      break;
    case 1:
      rect_ = new_rect(rect->x, rect->y + (size / 5) / 2, 0, 0);
      draw_vertical_bar(surf, rect_, size, color);
      break;
    case 2:
      rect_ = new_rect(rect->x + size, rect->y + (size / 5) / 2, 0, 0);
      draw_vertical_bar(surf, rect_, size, color);
      break;
    case 3:
      rect_ = new_rect(rect->x + (size / 5) / 2, rect->y + size, 0, 0);
      draw_horizontal_bar(surf, rect_, size, color);
      break;
    case 4:
      rect_ = new_rect(rect->x, rect->y + size + (size / 5) / 2, 0, 0);
      draw_vertical_bar(surf, rect_, size, color);
      break;
    case 5:
      rect_ = new_rect(rect->x + size, rect->y + size + (size / 5) / 2, 0, 0);
      draw_vertical_bar(surf, rect_, size, color);
      break;
    case 6:
      rect_ = new_rect(rect->x + (size / 5) / 2, rect->y + size * 2, 0, 0);
      draw_horizontal_bar(surf, rect_, size, color);
      break;
    case 7:
      rect_ = new_rect(rect->x + (size / 5), rect->y + (size / 5), 0, 0);
      draw_diag_right_bar(surf, rect_, size, color);
      break;
    case 8:
      rect_ = new_rect(rect->x + (size / 5) + size, rect->y + (size / 5), 0, 0);
      draw_diag_left_bar(surf, rect_, size, color);
      break;
    case 9:
      rect_ = new_rect(rect->x + (size / 5), rect->y + (size / 5) + size, 0, 0);
      draw_diag_right_bar(surf, rect_, size, color);
      break;
    case 10:
      rect_ = new_rect(rect->x + (size / 5), rect->y + (size / 5) + size, 0, 0);
      draw_diag_left_bar(surf, rect_, size, color);
      break;
    case 11:
      rect_ = new_rect(rect->x + (size / 2), rect->y + (size / 5) / 2, 0, 0);
      draw_vertical_bar(surf, rect_, size, color);
      break;
    case 12:
      rect_ = new_rect(rect->x + (size / 2), rect->y + (size / 5) / 2 + size, 0, 0);
      draw_vertical_bar(surf, rect_, size, color);
      break;
    case 13:
      rect_ = new_rect(rect->x + (size / 5) / 2, rect->y + size, 0, 0);
      draw_semi_horizontal_bar(surf, rect_, size, color);
      break;
    case 14:
      rect_ = new_rect(rect->x + (size / 5) / 2 + size / 2, rect->y + size, 0, 0);
      draw_semi_horizontal_bar(surf, rect_, size, color);
      break;
    case 15:
      rect_ = new_rect(rect->x + (size / 5), rect->y + (size / 5), 0, 0);
      draw_backslash_bar(surf, rect_, size, color);
      break;
    case 16:
      rect_ = new_rect(rect->x + (size / 5) + size / 2, rect->y + (size / 5), 0, 0);
      draw_slash_bar(surf, rect_, size, color);
      break;
    case 17:
      rect_ = new_rect(rect->x + (size / 5), rect->y + (size / 5) + size, 0, 0);
      draw_slash_bar(surf, rect_, size, color);
      break;
    case 18:
      rect_ = new_rect(rect->x + (size / 5) + size / 2, rect->y + (size / 5) + size, 0, 0);
      draw_backslash_bar(surf, rect_, size, color);
      break;
    case 19:
      rect_ = new_rect(rect->x + (size / 5), rect->y + (size / 5) + size, 0, 0);
      draw_backslash_bar(surf, rect_, size, color);
      break;
    case 20:
      rect_ = new_rect(rect->x + (size / 5) + size / 2, rect->y + (size / 5) + size, 0, 0);
      draw_slash_bar(surf, rect_, size, color);
      break;
    default:
      return;
      break;
  }
  free(rect_);
}