/*
 * Copyright (C) 2018, Jaybill McCarthy
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
 * DEALINGS IN THE SOFTWARE.
 */

/** @file draw.c */

#include "../include/draw.h"
#include <stddef.h>

void draw_pixel(BLOCK *block, int x, int y, int color) {
  block->buffer[x + (block->width * y)] = color;
}

void draw_hline(BLOCK *block, int x, int y, int l, int color) {
  for (size_t i = x; i <= l; i++) {
    draw_pixel(block, i, y, color);
  }
}

void draw_vline(BLOCK *block, int x, int y, int l, int color) {
  for (size_t i = y; i <= l; i++) {
    draw_pixel(block, x, i, color);
  }
}

void draw_rect(BLOCK *block, int x, int y, int w, int h, int color) {
  draw_hline(block, x, y, w, color);
  draw_hline(block, x, h - 1, w, color);
  draw_vline(block, x, y, w, color);
  draw_vline(block, w - 1, y, w, color);
}

void draw_filled_rect(BLOCK *block, int x, int y, int w, int h, int color) {
  for (size_t i = y; i < h; i++) {
    draw_hline(block, x, i, w, color);
  }
}