| Zeile 6 | Zeile 6 |
|---|
* Website: http://www.mybboard.net
* License: http://www.mybboard.net/eula.html
*
|
* Website: http://www.mybboard.net
* License: http://www.mybboard.net/eula.html
*
|
* $Id: functions_image.php 2932 2007-03-10 05:48:55Z chris $
| * $Id: functions_image.php 3134 2007-06-14 19:32:53Z dennis $
|
*/
|
*/
|
| | /**
* Generates a thumbnail
*
* @param string filename
* @param string upload path
* @param string thumbnail filename
* @param int maximum thumbnail height
* @param int maximum thumbnail width
* @return array returns an array with error code and filename (Code 1: Thumbnail generated; Code 3: Could not create thumbnail; Code 4: Image does not need to be scaled)
*/
|
function generate_thumbnail($file, $path, $filename, $maxheight, $maxwidth)
{
|
function generate_thumbnail($file, $path, $filename, $maxheight, $maxwidth)
{
|
| | // Check if thumbnail can be generated and if the file is valid image
|
if(!function_exists("imagecreate"))
{
$thumb['code'] = 3;
| if(!function_exists("imagecreate"))
{
$thumb['code'] = 3;
|
| Zeile 21 | Zeile 32 |
|---|
{
$thumb['code'] = 3;
return $thumb;
|
{
$thumb['code'] = 3;
return $thumb;
|
}
| }
// Only generate a thumbnail if image is larger than maximum thumbnail size
|
if(($imgwidth >= $maxwidth) || ($imgheight >= $maxheight))
{
|
if(($imgwidth >= $maxwidth) || ($imgheight >= $maxheight))
{
|
| | // Up the memory limit if needed
|
check_thumbnail_memory($imgwidth, $imgheight, $imgtype, $imgbits, $imgchan);
|
check_thumbnail_memory($imgwidth, $imgheight, $imgtype, $imgbits, $imgchan);
|
|
// Get the image into memory based on file type
|
if($imgtype == 3)
{
if(@function_exists("imagecreatefrompng"))
{
$im = @imagecreatefrompng($file);
|
if($imgtype == 3)
{
if(@function_exists("imagecreatefrompng"))
{
$im = @imagecreatefrompng($file);
|
}
}
| }
}
|
elseif($imgtype == 2)
{
if(@function_exists("imagecreatefromjpeg"))
| elseif($imgtype == 2)
{
if(@function_exists("imagecreatefromjpeg"))
|
| Zeile 46 | Zeile 61 |
|---|
{
$im = @imagecreatefromgif($file);
}
|
{
$im = @imagecreatefromgif($file);
}
|
}
else
{
| }
else
{
|
$thumb['code'] = 3;
return $thumb;
}
| $thumb['code'] = 3;
return $thumb;
}
|
| Zeile 57 | Zeile 72 |
|---|
$thumb['code'] = 3;
return $thumb;
}
|
$thumb['code'] = 3;
return $thumb;
}
|
| |
// Scale the image and resample
|
$scale = scale_image($imgwidth, $imgheight, $maxwidth, $maxheight);
$thumbwidth = $scale['width'];
$thumbheight = $scale['height'];
| $scale = scale_image($imgwidth, $imgheight, $maxwidth, $maxheight);
$thumbwidth = $scale['width'];
$thumbheight = $scale['height'];
|
| Zeile 71 | Zeile 88 |
|---|
@imagecopyresized($thumbim, $im, 0, 0, 0, 0, $thumbwidth, $thumbheight, $imgwidth, $imgheight);
}
@imagedestroy($im);
|
@imagecopyresized($thumbim, $im, 0, 0, 0, 0, $thumbwidth, $thumbheight, $imgwidth, $imgheight);
}
@imagedestroy($im);
|
| |
// Output image to file based on file type
|
if(!function_exists("imagegif") && $imgtype == 1)
{
$filename = str_replace(".gif", ".jpg", $filename);
| if(!function_exists("imagegif") && $imgtype == 1)
{
$filename = str_replace(".gif", ".jpg", $filename);
|