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How to resize a GIF

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*kimaci    (2010-05-22)
How to resize a GIF

Hi all, here is a small script very useful that is able to resize a GIF while maintaining the transparency:

rename($_FILES['image']['tmp_name'], $image_path);

// chmod($image_path,0755);

list($photo_width,$photo_height) = getimagesize($image_path);
if ($img_size[2] == 1) $photo_resource = imagecreatefromgif($image_path);
elseif ($img_size[2] == 3) $photo_resource = imagecreatefrompng($image_path);
else $photo_resource = imagecreatefromjpeg($image_path);

$photo_resource_resized = imagecreatetruecolor($new_width, $new_height);

if ($img_size[2] == 1)
  $originaltransparentcolor = imagecolortransparent( $photo_resource );
  if ($originaltransparentcolor >= 0 && $originaltransparentcolor < imagecolorstotal($photo_resource))
  $transparentcolor = imagecolorsforindex( $photo_resource, $originaltransparentcolor );
  $newtransparentcolor = imagecolorallocate($photo_resource_resized, $transparentcolor['red'], $transparentcolor['green'],$transparentcolor['blue']);
  imagefill( $photo_resource_resized, 0, 0, $newtransparentcolor );
  imagecolortransparent( $photo_resource_resized, $newtransparentcolor );

imagecopyresampled($photo_resource_resized, $photo_resource, 0, 0, 0, 0, $new_width, $new_height, $photo_width, $photo_height);
if ($img_size[2] == 1) imagegif($photo_resource_resized,$image_path);
elseif ($img_size[2] == 3) imagepng($photo_resource_resized,$image_path);
else imagejpeg($photo_resource_resized,$image_path);

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 Yahoo! Answers - Get answers, ask questions, find information
answers.yahoo > question/index%3Fqid%3D20080123080416AAFkmrg%2B
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 Picasion - Create GIF animations online - Make an Animated GIF
picasion > resize image/&amp;sa=U&amp;ei= uRuUMuEIKGh0QWHgoHwCA&amp;

It stands for Graphics Interchange Format and, unlike jpg it is a...


Sadly, after 20 minutes (or maybe even hours) of searching the...

 How to Resize Gif: 6 steps (with pictures) - wikiHow
wikihow > Resize Gif&amp;sa=U&amp;ei= uRuUMuEIKGh0QWHgoHwCA&amp;ved=

Create a Video Greeting Card With GoAnimate in YouTube...

 The Page or Image You Ask Not Available / Arad
uploadedit > to upload edit resize resample animated gif.htm%2B


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