Re: [PHP] image resize looks horrible..

[Marek Kilimajer]

Is $gd2 set right?
Edward Peloke wrote:
Any ideas as to how I can fix this function???
-----Original Message-----
From: Edward Peloke [mailto:[EMAIL PROTECTED]
Sent: Thursday, June 03, 2004 4:18 PM
To: Php-General
Subject: [PHP] image resize looks horrible..
I am using the below function which does seem to resize the image yet the
colors in the resized image look horrible. How can I resize the image yet
keep the colors in tact?
Thanks,
Eddie
Justin-I tried your code but it didn't seem to do anything...I will just use
this function if the color will work.

function createthumb($name,$filename,$new_w,$new_h){
        global $gd2;
        $system=explode(".",$name);
        $src_img=imagecreatefromjpeg($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;
        }
        if ($gd2==""){
                        $dst_img=ImageCreate($thumb_w,$thumb_h);
imagecopyresized($dst_img,$src_img,0,0,0,0,$thumb_w,$thumb_h,$old_x,$old_y);
        }else{
                $dst_img=ImageCreateTrueColor($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);
}
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