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-rw-r--r--includes/media/Bitmap.php36
1 files changed, 28 insertions, 8 deletions
diff --git a/includes/media/Bitmap.php b/includes/media/Bitmap.php
index e01386e9..b949ae3d 100644
--- a/includes/media/Bitmap.php
+++ b/includes/media/Bitmap.php
@@ -41,9 +41,10 @@ class BitmapHandler extends ImageHandler {
}
function doTransform( $image, $dstPath, $dstUrl, $params, $flags = 0 ) {
- global $wgUseImageMagick, $wgImageMagickConvertCommand;
+ global $wgUseImageMagick, $wgImageMagickConvertCommand, $wgImageMagickTempDir;
global $wgCustomConvertCommand;
global $wgSharpenParameter, $wgSharpenReductionThreshold;
+ global $wgMaxAnimatedGifArea;
if ( !$this->normaliseParams( $image, $params ) ) {
return new TransformParameterError( $params );
@@ -59,7 +60,7 @@ class BitmapHandler extends ImageHandler {
$retval = 0;
wfDebug( __METHOD__.": creating {$physicalWidth}x{$physicalHeight} thumbnail at $dstPath\n" );
- if ( $physicalWidth == $srcWidth && $physicalHeight == $srcHeight ) {
+ if ( !$image->mustRender() && $physicalWidth == $srcWidth && $physicalHeight == $srcHeight ) {
# normaliseParams (or the user) wants us to return the unscaled image
wfDebug( __METHOD__.": returning unscaled image\n" );
return new ThumbnailImage( $image, $image->getURL(), $clientWidth, $clientHeight, $srcPath );
@@ -77,6 +78,7 @@ class BitmapHandler extends ImageHandler {
} else {
$scaler = 'client';
}
+ wfDebug( __METHOD__.": scaler $scaler\n" );
if ( $scaler == 'client' ) {
# Client-side image scaling, use the source URL
@@ -85,18 +87,22 @@ class BitmapHandler extends ImageHandler {
}
if ( $flags & self::TRANSFORM_LATER ) {
+ wfDebug( __METHOD__.": Transforming later per flags.\n" );
return new ThumbnailImage( $image, $dstUrl, $clientWidth, $clientHeight, $dstPath );
}
if ( !wfMkdirParents( dirname( $dstPath ) ) ) {
- wfDebug( "Unable to create thumbnail destination directory, falling back to client scaling\n" );
+ wfDebug( __METHOD__.": Unable to create thumbnail destination directory, falling back to client scaling\n" );
return new ThumbnailImage( $image, $image->getURL(), $clientWidth, $clientHeight, $srcPath );
}
if ( $scaler == 'im' ) {
# use ImageMagick
+ $quality = '';
$sharpen = '';
+ $frame = '';
+ $animation = '';
if ( $mimeType == 'image/jpeg' ) {
$quality = "-quality 80"; // 80%
# Sharpening, see bug 6193
@@ -105,8 +111,21 @@ class BitmapHandler extends ImageHandler {
}
} elseif ( $mimeType == 'image/png' ) {
$quality = "-quality 95"; // zlib 9, adaptive filtering
+ } elseif( $mimeType == 'image/gif' ) {
+ if( $srcWidth * $srcHeight > $wgMaxAnimatedGifArea ) {
+ // Extract initial frame only; we're so big it'll
+ // be a total drag. :P
+ $frame = '[0]';
+ } else {
+ // Coalesce is needed to scale animated GIFs properly (bug 1017).
+ $animation = ' -coalesce ';
+ }
+ }
+
+ if ( strval( $wgImageMagickTempDir ) !== '' ) {
+ $tempEnv = 'MAGICK_TMPDIR=' . wfEscapeShellArg( $wgImageMagickTempDir ) . ' ';
} else {
- $quality = ''; // default
+ $tempEnv = '';
}
# Specify white background color, will be used for transparent images
@@ -116,11 +135,12 @@ class BitmapHandler extends ImageHandler {
# It seems that ImageMagick has a bug wherein it produces thumbnails of
# the wrong size in the second case.
- $cmd = wfEscapeShellArg($wgImageMagickConvertCommand) .
+ $cmd =
+ $tempEnv .
+ wfEscapeShellArg($wgImageMagickConvertCommand) .
" {$quality} -background white -size {$physicalWidth} ".
- wfEscapeShellArg($srcPath) .
- // Coalesce is needed to scale animated GIFs properly (bug 1017).
- ' -coalesce ' .
+ wfEscapeShellArg($srcPath . $frame) .
+ $animation .
// For the -resize option a "!" is needed to force exact size,
// or ImageMagick may decide your ratio is wrong and slice off
// a pixel.