PHP/Graphics Image/imagecolorallocate

Allocate image color

   <source lang="html4strict">

<?php

   $image = imagecreatefrompng("button.png");
   $hotpink = imagecolorallocate($image, 255, 110, 221);
   $rotated_image = imagerotate($image, 50, $hotpink);
   header("content-type: image/png");
   imagepng($rotated_image);
   imagedestroy($image);
   imagedestroy($rotated_image);

?>

 </source>
   
  

A simple image using a single color (red)

   <source lang="html4strict">

<?php

   $img = imagecreate(200, 200);
   imagecolorallocate($img, 0xFF,0,0);
   header("Content-type: image/png");
   imagepng($img);

?>

 </source>
   
  

Creating and Using Colors

   <source lang="html4strict">

<?php

   $animage = imagecreate (500, 500);
   $white = imagecolorallocate ($animage, 255, 255, 255);
   $black = imagecolorallocate ($animage, 0x00, 0x00, 0x00);
   imagefilledrectangle ($animage, 0, 0, 500, 500, $black);
   $blue = imagecolorallocate ($animage, 0, 0, 255);
   $green = imagecolorallocate ($animage, 0, 255, 0);
   $title = "title";
   imagestring ($animage, 4, 50, 5, $title, $blue);
   $copy = "information";
   imagestring ($animage, 4, 100, 25, $copy, $green);
     
   imagepng ($animage);
   header ("Content-type: image/png");
   imagedestroy ($animage);

?>

 </source>