PHP Thumbnail Creation

Posted on 16th Feb 2014 07:03 pm by admin

Ok so i use this function to create thumbnails:

Code: function createthumb($name,$filename,$new_w,$new_h)
{
$system=explode('.',$name);
$src_img=imagecreatefrompng($name);
$old_x=imageSX($src_img);
$old_y=imageSY($src_img);
if ($old_x > $old_y)
{
$thumb_w=$new_w;
$thumb_h=$old_y*($new_h/$old_x);
}
if ($old_x < $old_y)
{
$thumb_w=$old_x*($new_w/$old_y);
$thumb_h=$new_h;
}
if ($old_x == $old_y)
{
$thumb_w=$new_w;
$thumb_h=$new_h;
}
$dst_img=ImageCreateTrueColor($thumb_w,$thumb_h);
imagecopyresampled($dst_img,$src_img,0,0,0,0,$thumb_w,$thumb_h,$old_x,$old_y);
if (preg_match("/png/",$system[1]))
{
imagepng($dst_img,$filename);
} else {
imagejpeg($dst_img,$filename);
}
imagedestroy($dst_img);
imagedestroy($src_img);
}
It works and all, but the problem is that for my gallery i need all the pictures to be exactly 150x150, but i also need the images to keep their aspect ratio (so they don't look ugly) so i was thinking i could add like borders that would fill up the space. Ok imagine the function resizes the image to 100x150 so i make the image centered and add 50px wide white black borders on each side of the picture, so it isn't stretched out (keeps it's ratio) and is also 150x150.

The question is, how do i do this?

Your Answer:

Login to answer

Other forums

PHP Script runs on CLI but not through web browser
I am running into an issue that I just can't seem to find the answer to. I have a Windows Server 200

PHP Function Page Advice
Hi All, I am quite new to PHP and Javascript but have written an Online Shop (Mainly for Fun and edu

Matchcode in ALV change header column
Hello everyone,

I am working in an SAP system that is currently in upgrade and conversion

Call Screen statement Error
Dear Experts,

is there any setting that needs to be done before creating any dialog progr

retrieving policy name inside the function called by this particular policy
Hi there,

I've playing around with dbms_rls package, trying to set up some security repo

Last Weeks sDate and eDate.
sDate - Start Date
eDate - End Date

I need to pull two dates for "Last Week" whi

PHP Programming error. Please help!
Hi there,

Am making a website for a friend and have encountered a problem that i need fixing

Save file by click
Hello.
I'm not understand how to save file from page. I'd like make link to file with save abil

Loop Through Date Range
Hi guys,
I have date range as parameter like 01/JAN/2009 TO 16/JAN/2009 now i want to loop thro

help with calculations on a flat text file
hello,
I have this code below that is attached to a flat file like this:
Email:LastName:FirstN