Rainbow Text Maker

Byron · April 25, 2011

A friend of mine wrote this and it's still kind of a work in progress as you can see stuff commented out but this is what he's got so far. Requires the font below.

http://byrondallas.heliohost.org/php/fonts/lokicola.ttf

<?php
$rand = rand(1, 100000);

$file = "$rand.logo.gif";
$font = "lokicola.ttf";

if ( $_GET )
{
$w = $_GET[w];
$h = $_GET[h];
$f = $_GET[f]; # number of frames
$size = $_GET[size];

$delay = $_GET[del];

if ($f < 1)
{ $move = 0;
   $f = 1;
}
else
{ $move = $w/$f; }

# new imagick object
$img = new Imagick();

# remove NULL's from colors
foreach ($_GET[c] as $temp )
{
  if ( strlen($temp) > 0 )
   { $colors[] = $temp; }
}

# how many colors?
$n = count($colors);
# make gradients till next to last color
for ($x=0; $x<$n-1; $x++)
{
   $next = $x+1;
   $gradient = "gradient:$colors[$x]-$colors[$next]";
   $img->newPseudoImage( 100, 100, "$gradient" );
}
# loop last color back to first color
$last = $n-1;
$gradient = "gradient:$colors[$last]-$colors[0]";
$img->newPseudoImage( 100, 100, "$gradient" );

# go back to top of stack and append
$img->resetIterator();
$bar =  $img->appendImages(true);

# rotate & resize
$bar->rotateImage(new ImagickPixel(), 270);
# $bar->scaleimage($w, $h, FALSE ); 

# new object for frames
$frames = new Imagick();

for ($x=0; $x<$f; $x++)
{
# roll, resize and add to frames
$bar->rollimage( $move, 0 );
$bar->scaleimage($w, $h, FALSE ); 
$frames->addimage($bar);
$frames->setImageDelay("$delay");
}

if ($_GET[swirl] == "on")
{
  $m = max( array($w,$h) );
  foreach ($frames as $temp)
   { 
/*
   if ($_GET[transbg] == "on")
    {
    $temp->setimagebackgroundcolor("transparent");
    $temp->setImageVirtualPixelMethod( imagick::VIRTUALPIXELMETHOD_TRANSPARENT );
    }
*/
   $temp->scaleimage($m, $m, FALSE );
   $temp->distortImage( Imagick::DISTORTION_ARC, array( 361 ), TRUE ); 
   $temp->swirlimage( max(0,$_GET[deg]) ); 
   $temp->scaleimage($w, $h, FALSE ); 
   }
}

############################
if ($_GET[reverse] == "on")
{
foreach ($frames as $temp)
  {

     $orig = $temp->clone();
     $flop = $temp->clone();
     $flop->flopImage();
     $orig->addimage($flop);
     $orig->appendImages(false);

  #$temp->destroy();
  #$temp = new Imagick();
  #$temp->addimage($orig);

  }

}
############################

/*
############################
if ($_GET[reflect] == "on")
$reflection = new Imagick();
foreach ($frames as $temp)
{
  {
  $orig = $temp->clone();
  $flop = $temp->clone();

# $temp->removeimage(); # debug
  $orig = $temp->clone();
  $flop->flopImage();
  $reflection->addimage($orig);
  $reflection->addimage($flop);

#  $temp->destroy();
#  $temp = new Imagick();
#  $temp->addimage($orig);
#  $temp->addimage($flop);
  $reflection->appendImages(false);


$temp->setImageFormat('gif');
$flop->setImageFormat('gif');
$reflection->setImageFormat('gif');

#$new->setImageFormat('gif');

header( "Content-Type: image/gif" );
echo $reflection; exit;


  }
#$reflection->resetIterator();
#$reflection->appendImages(true);
$reflection->writeimages( "$file", TRUE);
header( "location:$file" );
}
##############################
*/

##############################
if ($_GET[txt] == "on")
{
$logo = new Imagick();

foreach ($frames as $temp)
  {
  $logo->newimage($w,$h, "transparent");
  $draw = new ImagickDraw();
  $draw->setfont("$font"); # set font
  $draw->setfillcolor("#0000ff");
  $draw->setgravity(imagick::GRAVITY_CENTER); 
  $draw->setFontSize( $size );
  # annotate
  #$draw->annotation( 0, 0, "$_GET[text_entered]" );
  $logo->annotateImage ( $draw,0 ,0, 0, "$_GET[text_entered]" );
  $logo->drawImage( $draw );
  $logo->compositeImage( $temp, imagick::COMPOSITE_ATOP, 0,0 );


  }
$logo->setImageFormat('gif');
$logo->writeimages("$file", TRUE);
header( "location:$file" );
exit;
}
##############################

# set the image format to gif 
$bar->setImageFormat('gif');

# Write final image
$frames->writeimages("$file", TRUE);
header( "location:$file" );
exit;
}

?>
<html>
<head><title>Rainbow Text Maker</title></head>
<body>
<form>

<input type="text" name="w" size="3" value="500"> Width<br>
<input type="text" name="h" size="3" value="100"> Height<br>
<input type="text" name="size" size="3" value="90"> Font Size<br>
<input type="text" name="f" size="3" value="10"> Frames<br>
<input type="text" name="del" size="3" value="3"> Delay<br>

Colors<br>
<input type="text" name="c[]" value="#ff0000"><br>
<input type="text" name="c[]" value="#ff8800"><br>
<input type="text" name="c[]" value="#ffff00"><br>
<input type="text" name="c[]" value=""><br>
<input type="text" name="c[]" value="#00ff00"><br>
<input type="text" name="c[]" value=""><br>
<input type="text" name="c[]" value="#00ffff"><br>
<input type="text" name="c[]" value="#0088ff"><br>
<input type="text" name="c[]" value="#0000ff"><br>
<input type="text" name="c[]" value="#8800ff"><br>
Options:<br>
<input type="checkbox" name="swirl" checked> Swirl <input type="text" size="3" name="deg" value="99"> Degrees 
<br>
<input type="checkbox" name="txt" checked> Text:
<input type="text" name="text_entered" value=""> <br>
<input type="submit"><br>
</form>
</body>
</html>

jje · April 25, 2011

Woah - that script is amazing!

Thanks for sharing it with us!

Byron · April 25, 2011

That script is written as a form so you can try many different variations.

btw, this is the Imagick portion of my friend's site showing some really good examples of what can be done with the Imagick Class.

http://eclecticdjs.com/mike/tutorials/php/imagemagick/

April 25, 2011

Really nice script.

kingdragonz · April 27, 2011

wow nice script

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