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Add ability to do either height or width or both

This commit is contained in:
Linwood-F 2015-08-09 18:19:12 -04:00
parent 34c2902570
commit 6da8da9d8d
1 changed files with 13 additions and 5 deletions
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18
web/views/image.php
View File

@ -26,10 +26,10 @@
// Omitted or 100 = no scaling done, image passed through directly
// Scaling will increase response time slightly
//
// width and height are optional, but if one is passed both should be passed (or they will be ignored)
// Pixel dimension to returned, scaling up or down
// width and height are each optional, ideally supply both, but if only one is supplied the other is calculated
// These are in pixels
//
// If both scale and width & height are specified, scale is ignored
// If both scale and either width or height are specified, scale is ignored
//
if ( !canView( 'Events' ) )
@ -95,18 +95,26 @@ if( !empty($_REQUEST['height']) )
if ( $errorText )
Error( $errorText );
else
if($scale==100 && ($width==0 || $height==0) )
if( $scale==100 && $width==0 && $height==0 )
readfile( ZM_DIR_EVENTS.'/'.$path );
else
{
$i = imagecreatefromjpeg ( ZM_DIR_EVENTS.'/'.$path );
$oldWidth=imagesx($i);
$oldHeight=imagesy($i);
if($width==0 || $height==0) // default to scale if either height or width is missing
if($width==0 && $height==0)
{
$width=$oldWidth * $scale / 100.0;
$height=$oldHeight * $scale / 100.0;
}
elseif ($width==0 && $height!=0)
{
$width = ($oldWidth / $OldHeight) * $height;
}
elseif ($width!=0 && $height==0)
{
$height = ($oldHeight / $oldWidth) * $width;
}
if($width==$oldWidth && $height==$oldHeight) // See if we really need to scale
{
imagejpg($i);