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/*******************************************************************************
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 * draw_test.c - a simple test of the draw library
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 *
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 * Copyright (c) 2006, Ira W. Snyder (devel@irasnyder.com)
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 ******************************************************************************/
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#include <cstdio>
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#include <cmath>
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#include <unistd.h>
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using namespace std;
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#include "draw.h"
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void wait_for_newline ()
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{
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    char c;
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    while ((c = getchar()) != '\n')
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        usleep (10000);
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}
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int main ()
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{
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    int i;
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    int sinpos;
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    const int strsiz = 100;
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    char *tempstr;
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    /* Initialize the draw library */
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    draw_init ();
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    tempstr = (char*) malloc (strsiz * sizeof(char));
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    /* Testcase #1, a few boxes, a line, and a pixel */
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    draw_clearscreen ();
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    draw_putpixel (20, 20, RED);
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    draw_box (50, 50, 100, 100, GREEN);
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    draw_line (30, 20, 300, 180, BLUE);
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    draw_box (100, 80, 100, 100, WHITE);
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    wait_for_newline ();
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    /* Testcase #2, all of the possible colors */
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    draw_clearscreen ();
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    for (i=0; i<16; i++)
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    {
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        draw_box (10, (i+1)*22, 20, 20, i);
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        snprintf (tempstr, strsiz, "color: #%d", i);
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        draw_puts (36, (i+1)*22+8, tempstr, WHITE);
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    }
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    wait_for_newline ();
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    /* Testcase #3, draw the sin() function, labeling it as we go */
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    draw_clearscreen ();
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    for (i=0; i<800; i++)
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    {
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        /* sin itself */
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        sinpos = (int)(400+(50.0 * sin (i / 50.0)));
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        draw_putpixel (i, sinpos, GREEN);
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        /* labels */
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        if (i % 100 == 0)
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        {
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            snprintf (tempstr, strsiz, "%d sec", i / 100);
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            draw_puts (i, sinpos + 10, tempstr, WHITE);
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            draw_line (i, sinpos, i, sinpos+8, WHITE);
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        }
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        /* slow it down */
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        usleep (10000);
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    }
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    wait_for_newline ();
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    /* Testcase #4, text output */
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    draw_clearscreen ();
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    draw_puts (0, 80, "Hello world!", WHITE);
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    draw_puts (20, 100, "Some more test text", RED);
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    wait_for_newline ();
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    /* Cleanup */
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    draw_close ();
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    free (tempstr);
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    return (0);
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}
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