PHP/Graphics Image/Line

Drawing a Line with imageline()

   <source lang="html4strict">

<?php

header("Content-type: image/gif");
$image = imagecreate( 200, 200 );
$red = imagecolorallocate($image, 255,0,0);
$blue = imagecolorallocate($image, 0,0,255 );
imageline( $image, 0, 0, 199, 199, $blue );
imagegif($image);

?>

      </source>
   
  

Drawing Lines

   <source lang="html4strict">

<?php

    header ("Content-type: image/png");
  
    $im = ImageCreate (150, 150);
    $grey = ImageColorAllocate ($im, 230, 230, 230);
    $black = ImageColorAllocate ($im, 0, 0, 0);
  
    ImageLine($im, 0, 30, 150, 150, $black);
    ImageLine($im, 0, 150, 150, 30, $black);
    ImageLine($im, 0, 30, 150, 30, $black);
  
    ImageString($im, 3, 5, 5, "Figure 18.6: Lines", $black);
    ImagePng ($im);
    ImageDestroy ($im);

?>

      </source>
   
  

Using imagefill()

   <source lang="html4strict">

<?php

header("Content-type: image/gif");
$image = imagecreate( 200, 200 );
$red = imagecolorallocate($image, 255,0,0);
$blue = imagecolorallocate($image, 0,0,255 );
imageline( $image, 0, 0, 199, 199, $blue );
imagefill( $image, 0, 199, $blue );
imagegif($image);

?>

      </source>