garis.php

<?php
header("Content-type:image/jpeg");
$gb= imagecreate(500,500);
$bg_color= imagecolorallocate($gb,0,0,0);
$line_color= imagecolorallocate($gb,255,255,255);
//garis_hoizontal
$width= 400;//dalam pixel
$x_mulai=20;
$y_mulai=50;
$x_akhir= $width+$x_mulai;
imageline($gb,$x_mulai,$y_mulai,$x_akhir,$y_mulai,$line_color);
//garis vertikal
$y_akhir=$width+$y_mulai;
imageline($gb,$x_mulai,$y_mulai,$x_mulai,$y_akhir,$line_color);
//garis diagonal
imageline($gb,$x_mulai,$y_mulai,$x_akhir,$y_akhir,$line_color);
imagejpeg($gb);
imagedestroy($gb);
?>
#===============================================================================================================================

<?php
function garisPutus($gb,$x1,$y1,$x2,$y2,$fg,$bg){
    $string= array($fg,$fg,$fg,$fg,$bg,$bg,$bg,$bg);
    imagesetstyle($gb,$string);
    imageline($gb,$x1,$y1,$x2,$y2,IMG_COLOR_STYLED);
}
header("Content-type:image/jpeg");
$gb= imagecreate(500,500);
$bg_color= imagecolorallocate($gb,0,0,0);
$line_color= imagecolorallocate($gb,255,255,255);
//garis_horisontal
garisPutus($gb,20,50,320,50,$line_color,$bg_color);
//garis_vertikal
garisPutus($gb,20,50,20,320,$line_color,$bg_color);
//garis_diagonal
garisPutus($gb,20,50,320,320,$line_color,$bg_color);
imagejpeg($gb);
imagedestroy($gb);
?>