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only constrain horizontal image dimension for scaling very tall photos

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friendica 2012-09-29 05:20:29 -07:00
parent c884e82776
commit 0693afd6b7
1 changed files with 24 additions and 3 deletions
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23
include/Photo.php
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@ -227,7 +227,18 @@ class Photo {
return FALSE; return FALSE;
if($width > $max && $height > $max) { if($width > $max && $height > $max) {
if($width > $height) {
// very tall image (greater than 16:9)
// constrain the width - let the height float.
if((($height * 9) / 16) > $width) {
$dest_width = $max;
$dest_height = intval(( $height * $max ) / $width);
}
// else constrain both dimensions
elseif($width > $height) {
$dest_width = $max; $dest_width = $max;
$dest_height = intval(( $height * $max ) / $width); $dest_height = intval(( $height * $max ) / $width);
} }
@ -243,9 +254,19 @@ class Photo {
} }
else { else {
if( $height > $max ) { if( $height > $max ) {
// very tall image (greater than 16:9)
// constrain the width - let the height float.
if((($height * 9) / 16) > $width) {
$dest_width = $max;
$dest_height = intval(( $height * $max ) / $width);
}
else {
$dest_width = intval(( $width * $max ) / $height); $dest_width = intval(( $width * $max ) / $height);
$dest_height = $max; $dest_height = $max;
} }
}
else { else {
$dest_width = $width; $dest_width = $width;
$dest_height = $height; $dest_height = $height;