http://www.mediawiki.org/wiki/Special:Code/MediaWiki/84635
Revision: 84635
Author: btongminh
Date: 2011-03-23 21:42:46 +0000 (Wed, 23 Mar 2011)
Log Message:
-----------
VipsHandler: Fix target width by offsetting the file dimensions per bug 25990#c7
Modified Paths:
--------------
trunk/extensions/VipsScaler/VipsScaler_body.php
Modified: trunk/extensions/VipsScaler/VipsScaler_body.php
===================================================================
--- trunk/extensions/VipsScaler/VipsScaler_body.php 2011-03-23 21:39:17 UTC
(rev 84634)
+++ trunk/extensions/VipsScaler/VipsScaler_body.php 2011-03-23 21:42:46 UTC
(rev 84635)
@@ -48,13 +48,16 @@
# Set the new rotated file
$tmp = $tmp2;
}
+
+ # Calculate shrink factors. Offsetting by 0.5 pixels is
required
+ # because of rounding down of the target size by VIPS. See
25990#c7
if ( $rotation % 180 == 90 ) {
# Rotated 90 degrees, so width = height and vice versa
- $rx = $params['srcWidth'] / $params['physicalHeight'];
- $ry = $params['srcHeight'] / $params['physicalWidth'];
+ $rx = $params['srcWidth'] / ($params['physicalHeight']
+ 0.5);
+ $ry = $params['srcHeight'] / ($params['physicalWidth']
+ 0.5);
} else {
- $rx = $params['srcWidth'] / $params['physicalWidth'];
- $ry = $params['srcHeight'] / $params['physicalHeight'];
+ $rx = $params['srcWidth'] / ($params['physicalWidth'] +
0.5);
+ $ry = $params['srcHeight'] / ($params['physicalHeight']
+ 0.5);
}
# Scale the image to the final output
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