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/*******************************************************************************

 * draw_test.c - a simple test of the draw library

 *

 * Copyright (c) 2006, Ira W. Snyder (devel@irasnyder.com)

 *

 * 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.

 *

 ******************************************************************************/

#include <cstdio>

#include <cmath>

#include <unistd.h>

using namespace std;

#include "draw.h"

void wait_for_newline ()

{

    char c;

    while ((c = getchar()) != '\n')

        usleep (10000);

}

int main ()

{

    int i;

    int sinpos;

    const int strsiz = 100;

    char *tempstr;

    /* Initialize the draw library */

    draw_init ();

    tempstr = (char*) malloc (strsiz * sizeof(char));

    /* Testcase #1, a few boxes, a line, and a pixel */

    draw_clearscreen ();

    draw_putpixel (20, 20, RED);

    draw_box (50, 50, 100, 100, GREEN);

    draw_line (30, 20, 300, 180, BLUE);

    draw_box (100, 80, 100, 100, WHITE);

    wait_for_newline ();

    /* Testcase #2, all of the possible colors */

    draw_clearscreen ();

    for (i=0; i<16; i++)

    {

        draw_box (10, (i+1)*22, 20, 20, i);

        snprintf (tempstr, strsiz, "color: #%d", i);

        draw_puts (36, (i+1)*22+8, tempstr, WHITE);

    }

    wait_for_newline ();

    /* Testcase #3, draw the sin() function, labeling it as we go */

    draw_clearscreen ();

    for (i=0; i<800; i++)

    {

        /* sin itself */

        sinpos = (int)(400+(50.0 * sin (i / 50.0)));

        draw_putpixel (i, sinpos, GREEN);

        /* labels */

        if (i % 100 == 0)

        {

            snprintf (tempstr, strsiz, "%d sec", i / 100);

            draw_puts (i, sinpos + 10, tempstr, WHITE);

            draw_line (i, sinpos, i, sinpos+8, WHITE);

        }

        /* slow it down */

        usleep (10000);

    }

    wait_for_newline ();

    /* Testcase #4, text output */

    draw_clearscreen ();

    draw_puts (0, 80, "Hello world!", WHITE);

    draw_puts (20, 100, "Some more test text", RED);

    wait_for_newline ();

    /* Cleanup */

    draw_close ();

    free (tempstr);

    return (0);

}