Textpattern PHP Cross Reference Content Management Systems

Summary: /textpattern/lib/class.thumb.php - 683 lines - 21803 bytes - Source - Print

Description: Tools for creating thumbnails.

Author: C. Erdmann
Author: Robert Wetzlmayr
Author: Christoph Erdmann (CE)
Author: Benjamin Fleckenstein (BF)
Author: Marcus Gueldenmeister (MG)
Author: Andreas Bösch (AB)
Included or required:0 times
Referenced: 0 times
Includes or requires: 0 files

Defines 2 classes

wet_thumb:: (3 methods):
__construct()
write()
asTag()

txp_thumb:: (4 methods):
__construct()
write()
delete()
UnsharpMask()

Class: wet_thumb

Creates thumbnails for larger images.

__construct()  line: 187
Constructor.

write($infile, $outfile line: 203
Writes a thumbnail file.

return: bool TRUE on success
param: string $infile  Image file name.
param: array  $outfile Array of thumb file names (1...n)
asTag($aslink = true, $aspopup = false)  line: 457
Return a reference to the the thumbnail image as a HTML a or img tag.

return: string HTML markup
param: bool $aslink  Return an anchor tag to the source image
param: bool $aspopup Open the link in new window

Class: txp_thumb

Wrapper for wet_thumb interfacing Textpattern.

__construct($id line: 502
Constructor.

param: int $id The Image id.
write($dummy1 = '', $dummy2 = '')  line: 520
Creates a thumbnail image from a source image.

return: bool TRUE on success
param: string $dummy1 Isn't used.
param: string $dummy2 Isn't used.
delete()  line: 555
Removes a thumbnail.

return: bool TRUE on success
UnsharpMask($img, $amount, $radius, $threshold line: 577
Unsharp mask.

Unsharp mask algorithm by Torstein Hønsi 2003 (thoensi_at_netcom_dot_no)
Christoph Erdmann: changed it a little, because I could not reproduce the
darker blurred image, now it is up to 15% faster with same results

return: resource Sharpened image as a resource.
param: resource $img       Image as a resource
param: int      $amount    Filter parameter
param: int      $radius    Filter parameter
param: int      $threshold Filter parameter
author: Torstein Hønsi
author: Christoph Erdmann

title

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