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| Code | |||||
<?php // AnalogClock : // This small PHP3 script has been written by Christophe Lauer // (mailto:clauer@citeweb.net) to serve as an example for libgd. // // Feel free to use it as you like, you're even allowed to say // it's your's if you like... Mail me if you like it, or if you // can write it shorter. Comments are welcome ;-) This is emailware // function draw_radius($img, $x, $y, $r, $ang, $col) { $x1 = $x + $r * cos($ang); $y1 = $y + $r * sin($ang); ImageLine($img, $x, $y, $x1, $y1, $col); } dl('php3_gd.dll'); // Win32 users should replace prev line with dl('php3_gd.dll'); // specify coords for the origins of the hands // depends of the picture used as a background - draw your own ! $centrx = 29; $centry = 29; // depends on the background picture too. $rmin = 22 ; // radius for minutes hand $rhour = 12; // radius for hours hand // // ^ -Pi/2 rad => 0 min // | // | // | // | // --------> O rad => 15 min // $minrad = -1 * (pi()/2) ; // origin is -PI/2 $hourrad = -1 * (pi()/2) ; // same as above. // Calculate the angles for drawing the hands $hour = (date("h")/12)*2*pi() - (pi()/2); $min = (date("i")/60)*2*pi() - (pi()/2); // Output the HTTP header Content-type Header('Content-type: image/gif'); // specify path to background image file $mypath = '/home/clauer/php3sampl/images/'; // Load watch background picture from file $im = ImageCreateFromGIF($mypath.'watchframe.gif'); // Use pseudo "phosphore" light green for both hands $mycolor = ImageColorAllocate($im, 153, 255, 204); // Draw the hours and minutes hands draw_radius($im, $centrx, $centry, $rmin, $min, $mycolor); draw_radius($im, $centrx, $centry, $rhour, $hour, $mycolor); // Send GIF output to client ImageGif($im); ImageDestroy($im); ?> | |||||
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