diff options
Diffstat (limited to 'include/derivative.inc.php')
| -rw-r--r-- | include/derivative.inc.php | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/include/derivative.inc.php b/include/derivative.inc.php index 2f2f4b3d1..844d93911 100644 --- a/include/derivative.inc.php +++ b/include/derivative.inc.php @@ -271,6 +271,38 @@ final class DerivativeImage } } + function get_scaled_size($maxw, $maxh) + { + $size = $this->get_size(); + if ($size) + { + $ratio_w = $size[0] / $maxw; + $ratio_h = $size[1] / $maxh; + if ($ratio_w>1 || $ratio_h>1) + { + if ($ratio_w > $ratio_h) + { + $size[0] = $maxw; + $size[1] = floor($size[1] / $ratio_w); + } + else + { + $size[0] = floor($size[0] / $ratio_h); + $size[1] = $maxh; + } + } + } + return $size; + } + + function get_scaled_size_htm($maxw=9999, $maxh=9999) + { + $size = $this->get_scaled_size($maxw, $maxh); + if ($size) + { + return 'width="'.$size[0].'" height="'.$size[1].'"'; + } + } } ?>
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