note 4708 modified in function.imagecreate by irchtml
| From: | irchtml@php.net | Date: | Tue, 02 Mar 2004 11:15:14 +0000 |
| Subject: | note 4708 modified in function.imagecreate by irchtml | ||
| References: | 1 | Groups: | php.notes |
| Request: | Send a blank email to php-notes+get-66082@lists.php.net to get a copy of this message | ||
A sample php image program to create a clock
<?php
header("Content-type: image/gif");
$imSize = 256;
$clockSize = $imSize - 8;
$today = getdate();
$hour = $today[hours];
$minutes = $today[minutes];
$seconds = $today[seconds];
if ($hour >= 12)
{
$hour -= 12;
}
$hourDegress = $hour * 30;
$hourDegress += $minutes / 2;
$minDegress = $minutes * 6;
//* the cordinate system stars at 3:00
$hourDegress -= 90;
if ($hourDegress < 0)
{
$hourDegress += 360;
}
$minDegress -= 90;
if ($minDegress < 0)
{
$minDegress += 360;
}
//* convert to radians
$hourRadians = $hourDegress / 57.295779513082;
$minRadians = $minDegress / 57.295779513082;
$myImage = ImageCreate($imSize, $imSize);
$white = ImageColorAllocate($myImage, 255, 255, 255);
$black = ImageColorAllocate($myImage, 0, 0, 0);
// $red = ImageColorAllocate($myImage, 255, 0, 0);
// $green = ImageColorAllocate($myImage, 0, 255, 0);
$blue = ImageColorAllocate($myImage, 0, 0, 255);
ImageFill($myImage, 0, 0, $blue);
Imageinterlace($myImage, 1);
//* draw the clock circle
Imagearc($myImage, $imSize/2, $imSize/2, $clockSize, $clockSize, 0, 359, $white);
//* draw the hour hand
$hourHandLen = ($clockSize / 2) * 0.6;
$x2 = $imSize/2 + ($hourHandLen * cos($hourRadians));
$y2 = $imSize/2 + ($hourHandLen * sin($hourRadians));
ImageLine($myImage, $imSize/2, $imSize/2, $x2, $y2, $white);
//* draw the minute hand
$minHandLen = ($clockSize / 2) * 0.9;
$x2 = $imSize/2 + ($minHandLen * cos($minRadians));
$y2 = $imSize/2 + ($minHandLen * sin($minRadians));
ImageLine($myImage, $imSize/2, $imSize/2, $x2, $y2, $white);
if ($minutes < 10)
{
$minutes = "0$minutes";
}
Imagestring($myImage, 3, 5, $imSize - 15, ($hour . ":" . $minutes), $white);
Imagegif($myImage);
Imagedestroy($myImage);
?>
--was--
A sample php image program to create a clock
<PRE>
<?php
header("Content-type: image/gif");
$imSize = 256;
$clockSize = $imSize - 8;
$today = getdate();
$hour = $today[hours];
$minutes = $today[minutes];
$seconds = $today[seconds];
if ($hour >= 12)
{
$hour -= 12;
}
$hourDegress = $hour * 30;
$hourDegress += $minutes / 2;
$minDegress = $minutes * 6;
//* the cordinate system stars at 3:00
$hourDegress -= 90;
if ($hourDegress < 0)
{
$hourDegress += 360;
}
$minDegress -= 90;
if ($minDegress < 0)
{
$minDegress += 360;
}
//* convert to radians
$hourRadians = $hourDegress / 57.295779513082;
$minRadians = $minDegress / 57.295779513082;
$myImage = ImageCreate($imSize, $imSize);
$white = ImageColorAllocate($myImage, 255, 255, 255);
$black = ImageColorAllocate($myImage, 0, 0, 0);
// $red = ImageColorAllocate($myImage, 255, 0, 0);
// $green = ImageColorAllocate($myImage, 0, 255, 0);
$blue = ImageColorAllocate($myImage, 0, 0, 255);
ImageFill($myImage, 0, 0, $blue);
Imageinterlace($myImage, 1);
//* draw the clock circle
Imagearc($myImage, $imSize/2, $imSize/2, $clockSize, $clockSize, 0, 359, $white);
//* draw the hour hand
$hourHandLen = ($clockSize / 2) * 0.6;
$x2 = $imSize/2 + ($hourHandLen * cos($hourRadians));
$y2 = $imSize/2 + ($hourHandLen * sin($hourRadians));
ImageLine($myImage, $imSize/2, $imSize/2, $x2, $y2, $white);
//* draw the minute hand
$minHandLen = ($clockSize / 2) * 0.9;
$x2 = $imSize/2 + ($minHandLen * cos($minRadians));
$y2 = $imSize/2 + ($minHandLen * sin($minRadians));
ImageLine($myImage, $imSize/2, $imSize/2, $x2, $y2, $white);
if ($minutes < 10)
{
$minutes = "0$minutes";
}
Imagestring($myImage, 3, 5, $imSize - 15, ($hour . ":" . $minutes), $white);
Imagegif($myImage);
Imagedestroy($myImage);
?>
</PRE>
http://www.php.net/manual/en/function.imagecreate.php