Opensource.Platon.SK CVS: scripts/php/gd-graphics/clock.php - view

Vyššie na [Platon] / scripts / php / gd-graphics

Súbor: [Platon] / scripts / php / gd-graphics / clock.php (stiahnutie)

Revízia 1.1, Wed Mar 27 23:49:05 2002 UTC (24 years, 1 month ago) by jombik9

PHP GD graphics.

<?php /* Example written by "C.A. Lademann" <cal@zls.com> */

//SetLogging(0);
//SetShowInfo(0);

Function Hand($ang, $len, $style, $col) {
    global $radius, $basesize, $PI;

    $point[0] = (sin($ang) * $len) + $radius;
    $point[1] = (cos($ang) * -1 * $len) + $radius;

    if($style == 1) {
        $base = $radius / 15;
        $angbase = $ang + ($PI / 2);

        $point[2] = (sin($angbase) * $basesize) + $radius;
        $point[3] = (cos($angbase) * -1 * $basesize) + $radius;
        $point[4] = (sin($angbase) * -1 * $basesize) + $radius;
        $point[5] = (cos($angbase) * $basesize) + $radius;

        ImageFilledPolygon($im, $point[], 3, $col);
    }
    else {
        ImageLine($im, $radius, $radius, $point[0], $point[1], $col);
    }
};


if($argv[0] == "gif") {
    Header ("Content-type: image/gif");

    $PI = 3.14159265358979323846;

    if(intval($argv[1]) > 0) {
        $size = intval($argv[1]);
    }
    else {
        $size = 500;
    }

    $radius = $size / 2;
    $basesize = $radius / 15;

    /* Create Image */
    $im = @ImageCreate($size, $size)
            or die ("Cannot Initialize new GD image stream");
    $transp = ImageColorAllocate($im, 254, 254, 254);
    $white = ImageColorAllocate($im, 255, 255, 255);
    $black = ImageColorAllocate($im, 0, 0, 0);
    $green = ImageColorAllocate($im, 0, 255, 0);
    $red = ImageColorAllocate($im, 255, 0, 0);
    $blue = ImageColorAllocate($im, 0, 0, 255);
    ImageColorTransparent($im, $transp);

    /* Draw Clock */
    ImageArc($im, $radius, $radius, $size, $size, 0, 360, $black);
    ImageFill($im, $radius, $radius, $white);

    $min = 0;
    while($min < 60) {
        $min = $min + 5;

        if($min % 15 == 0) {
            $len = doubleval($radius / 5);
        }
        else {
            $len = doubleval($radius / 10);
        }

        $ang = ($PI * $min * 2) / 60;
        $sin = sin($ang);
        $cos = cos($ang);
        $sx = $sin * ($radius - $len) + $radius;
        $sy = $cos * ($radius - $len) + $radius;
        $ex = $sin * $radius + $radius;
        $ey = $cos * $radius + $radius;

        ImageLine($im, $sx, $sy, $ex, $ey, $black);
    }

    $hour = intval(Date("h", Time()));
    if($hour >= 12) {
        $hour -= 12;
    }

    $min = intval(Date("i", Time()));
    $sec = intval(Date("s", Time()));

    $ang = ($PI * 2 / 12) * (1.0 * $min / 60 + $hour);
    $len = 0.5 * $radius;
    Hand($ang, $len, 1, $blue);

    $ang = ($PI * 2 / 60) * (1.0 * $sec / 60 + $min);
    $len = 0.65 * $radius;
    Hand($ang, $len, 1, $green);

    $ang = ($PI * 2 / 60) * $sec;
    $len = 0.75 * $radius;
    Hand($ang, $len, 0, $black);

    ImageArc($im, $radius, $radius, 2 * $basesize, 2 * $basesize, 0, 360, $red);
    ImageFillToBorder($im, $radius, $radius, $red, $red);

    ImageGif($im);
}
else {
    $sizestr_gif = "";
    $sizestr_html = "";

    if(intval($argv[0]) > 0) {
        $sizestr_gif = sprintf("+%d", intval($argv[0]));
        $sizestr_html = sprintf("?%d", intval($argv[0]));
    }
?>
    <HTML>
    <HEAD>
        <META HTTP-EQUIV="Refresh" CONTENT=5 URL="<?php echo $PHP_SELF; ?><?php echo $sizestr_html; ?>">
    </HEAD>
    <BODY>
        <CENTER>
            <IMG SRC="<?php echo $PHP_SELF; ?>?gif<?php echo $sizestr_gif;?>">
        </CENTER>
    </BODY>
    </HTML>
<?php
}
?>

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