/********************** *@filename - path to the image *@tmpname - temporary path to thumbnail *@xmax - max width *@ymax - max height */
function
resize_image(
$filename
,
$tmpname
,
$xmax
,
$ymax
) {
$ext
=
explode
(
"."
,
$filename
);
$ext
=
$ext
[
count
(
$ext
)-1];
if
(
$ext
==
"jpg"
||
$ext
==
"jpeg"
)
$im
= imagecreatefromjpeg(
$tmpname
);
elseif
(
$ext
==
"png"
)
$im
= imagecreatefrompng(
$tmpname
);
elseif
(
$ext
==
"gif"
)
$im
= imagecreatefromgif(
$tmpname
);
$x
= imagesx(
$im
);
$y
= imagesy(
$im
);
if
(
$x
<=
$xmax
&&
$y
<=
$ymax
)
return
$im
;
if
(
$x
>=
$y
) {
$newx
=
$xmax
;
$newy
=
$newx
*
$y
/
$x
;
}
else
{
$newy
=
$ymax
;
$newx
=
$x
/
$y
*
$newy
;
}
$im2
= imagecreatetruecolor(
$newx
,
$newy
);
imagecopyresized(
$im2
,
$im
, 0, 0, 0, 0,
floor
(
$newx
),
floor
(
$newy
),
$x
,
$y
);
return
$im2
;
}
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