Codice PHP:
class Resize_Image {
var $image_to_resize;
var $new_width;
var $new_height;
var $ratio;
var $new_image_name;
var $save_folder;
function resize()
{
if(!file_exists($this->image_to_resize))
{
exit("File ".$this->image_to_resize." does not exist.");
}
$info = GetImageSize($this->image_to_resize);
if(empty($info))
{
exit("The file ".$this->image_to_resize." doesn't seem to be an image.");
}
$width = $info[0];
$height = $info[1];
$mime = $info['mime'];
/* Keep Aspect Ratio? */
if($this->ratio)
{
if($width > $this->new_width || $height > $this->new_height){
if($width > $height){
$factor = (float)$this->new_width / (float)$width;
$this->new_height = $factor * $height;
}
else
{
$factor = (float)$this->new_height / (float)$height;
$this->new_width = $factor * $width;
}
}
else
{
$this->new_width = $width ;
$this->new_height = $height;
}
}
// What sort of image?
$type = substr(strrchr($mime, '/'), 1);
switch ($type)
{
case 'jpeg':
case 'jpg' :
case 'JPG' :
$image_create_func = 'ImageCreateFromJPEG';
$image_save_func = 'ImageJPEG';
$new_image_ext = 'jpg';
break;
case 'png':
$image_create_func = 'ImageCreateFromPNG';
$image_save_func = 'ImageJPEG';
$new_image_ext = 'jpg';
break;
case 'bmp':
$image_create_func = 'ImageCreateFromBMP';
$image_save_func = 'ImageJPEG';
$new_image_ext = 'jpg';
break;
case 'gif':
$image_create_func = 'ImageCreateFromGIF';
$image_save_func = 'ImageJPEG';
$new_image_ext = 'jpg';
break;
case 'vnd.wap.wbmp':
$image_create_func = 'ImageCreateFromWBMP';
$image_save_func = 'ImageJPEG';
$new_image_ext = 'jpg';
break;
case 'xbm':
$image_create_func = 'ImageCreateFromXBM';
$image_save_func = 'ImageJPEG';
$new_image_ext = 'jpg';
break;
default:
$image_create_func = 'ImageCreateFromJPEG';
$image_save_func = 'ImageJPEG';
$new_image_ext = 'jpg';
}
function imagecreatefrombmp($p_sFile)
{
// Load the image into a string
$file = fopen($p_sFile,"rb");
$read = fread($file,10);
while(!feof($file)&&($read<>""))
$read .= fread($file,1024);
$temp = unpack("H*",$read);
$hex = $temp[1];
$header = substr($hex,0,108);
// Process the header
// Structure: [url]http://www.fastgraph.com/help/bmp_header_format.html[/url]
if (substr($header,0,4)=="424d")
{
// Cut it in parts of 2 bytes
$header_parts = str_split($header,2);
// Get the width 4 bytes
$width = hexdec($header_parts[19].$header_parts[18]);
// Get the height 4 bytes
$height = hexdec($header_parts[23].$header_parts[22]);
// Unset the header params
unset($header_parts);
}
// Define starting X and Y
$x = 0;
$y = 1;
// Create newimage
$image = imagecreatetruecolor($width,$height);
// Grab the body from the image
$body = substr($hex,108);
// Calculate if padding at the end-line is needed
// Divided by two to keep overview.
// 1 byte = 2 HEX-chars
$body_size = (strlen($body)/2);
$header_size = ($width*$height);
// Use end-line padding? Only when needed
$usePadding = ($body_size>($header_size*3)+4);
// Using a for-loop with index-calculation instaid of str_split to avoid large memory consumption
// Calculate the next DWORD-position in the body
for ($i=0;$i<$body_size;$i+=3)
{
// Calculate line-ending and padding
if ($x>=$width)
{
// If padding needed, ignore image-padding
// Shift i to the ending of the current 32-bit-block
if ($usePadding)
$i += $width%4;
// Reset horizontal position
$x = 0;
// Raise the height-position (bottom-up)
$y++;
// Reached the image-height? Break the for-loop
if ($y>$height)
break;
}
// Calculation of the RGB-pixel (defined as BGR in image-data)
// Define $i_pos as absolute position in the body
$i_pos = $i*2;
$r = hexdec($body[$i_pos+4].$body[$i_pos+5]);
$g = hexdec($body[$i_pos+2].$body[$i_pos+3]);
$b = hexdec($body[$i_pos].$body[$i_pos+1]);
// Calculate and draw the pixel
$color = imagecolorallocate($image,$r,$g,$b);
imagesetpixel($image,$x,$height-$y,$color);
// Raise the horizontal position
$x++;
}
// Unset the body / free the memory
unset($body);
// Return image-object
return $image;
}
if($type != "bmp"){
// New Image
$image_c = ImageCreateTrueColor($this->new_width, $this->new_height);
$new_image = $image_create_func($this->image_to_resize);
ImageCopyResampled($image_c, $new_image, 0, 0, 0, 0, $this->new_width, $this->new_height, $width, $height);
}
if($this->save_folder)
{
if($this->new_image_name)
{
$new_name = $this->new_image_name.'.'.$new_image_ext;
}
else
{
$new_name = $this->new_thumb_name(basename($this->image_to_resize)).'_resized.'.$new_image_ext;
}
$save_path = $this->save_folder.$new_name;
}
else
{
/* Show the image without saving it to a folder */
header("Content-Type: ".$mime);
$image_save_func($image_c,60);
$save_path = '';
}
if($type != "bmp"){
$process = $image_save_func($image_c, $save_path,60);
}
return array('result' => $process, 'new_file_path' => $save_path);
}
function new_thumb_name($filename)
{
$string = trim($filename);
$string = strtolower($string);
$string = trim(ereg_replace("[^ A-Za-z0-9_]", " ", $string));
$string = ereg_replace("[ tnr]+", "_", $string);
$string = str_replace(" ", '_', $string);
$string = ereg_replace("[ _]+", "_", $string);
return $string;
}
L'errore che mi da è questo Fatal error: Cannot redeclare imagecreatefrombmp() (previously declared in C:\AppServ\www\libs\thumbnail.inc.php:767) in C:\AppServ\www\libs\thumbnail.inc.php on line 767
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