aboutsummaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
Diffstat
-rw-r--r--.gitattributes1
-rw-r--r--RELEASE-NOTES-1.264
-rw-r--r--autoload.php2
-rw-r--r--includes/DefaultSettings.php1
-rw-r--r--includes/MimeMagic.php2
-rw-r--r--includes/libs/RiffExtractor.php100
-rw-r--r--includes/media/Bitmap.php3
-rw-r--r--includes/media/WebP.php306
-rw-r--r--tests/phpunit/data/media/2_webp_a.webpbin0 -> 17128 bytes
-rw-r--r--tests/phpunit/data/media/2_webp_ll.webpbin0 -> 29360 bytes
-rw-r--r--tests/phpunit/data/media/webp_animated.webpbin0 -> 380850 bytes
-rw-r--r--tests/phpunit/includes/media/WebPTest.php127
12 files changed, 543 insertions, 3 deletions
diff --git a/.gitattributes b/.gitattributes
index 69d7b1baabd8..09f86a328004 100644
--- a/.gitattributes
+++ b/.gitattributes
@@ -1,2 +1,3 @@
*.sh eol=lf
*.icc binary
+*.webp binary
diff --git a/RELEASE-NOTES-1.26 b/RELEASE-NOTES-1.26
index c2228ae81d21..983601e8405a 100644
--- a/RELEASE-NOTES-1.26
+++ b/RELEASE-NOTES-1.26
@@ -30,6 +30,10 @@ production.
* (T68699) The expiration of the UserID and Token login cookies
($wgExtendedLoginCookieExpiration) can be configured independently of the
expiration of all other cookies ($wgCookieExpiration).
+* (bug 50519) Support for generating JPEG/PNG thumbnails from WebP images added
+ if ImageMagick is used as image scaler ($wgUseImageMagick = true). Uploading
+ of WebP images still disabled by default. Add $wgFileExtensions[] =
+ 'webp'; to LocalSettings.php to enable uploading of WebP images.
==== External libraries ====
* Update es5-shim from v4.0.0 to v4.1.5.
diff --git a/autoload.php b/autoload.php
index 504eaf22e247..917b022ea551 100644
--- a/autoload.php
+++ b/autoload.php
@@ -1040,6 +1040,7 @@ $wgAutoloadLocalClasses = array(
'RevisionList' => __DIR__ . '/includes/RevisionList.php',
'RevisionListBase' => __DIR__ . '/includes/RevisionList.php',
'RevisiondeleteAction' => __DIR__ . '/includes/actions/RevisiondeleteAction.php',
+ 'RiffExtractor' => __DIR__ . '/includes/libs/RiffExtractor.php',
'RightsLogFormatter' => __DIR__ . '/includes/logging/RightsLogFormatter.php',
'RollbackAction' => __DIR__ . '/includes/actions/RollbackAction.php',
'RollbackEdits' => __DIR__ . '/maintenance/rollbackEdits.php',
@@ -1342,6 +1343,7 @@ $wgAutoloadLocalClasses = array(
'WebInstallerUpgrade' => __DIR__ . '/includes/installer/WebInstallerPage.php',
'WebInstallerUpgradeDoc' => __DIR__ . '/includes/installer/WebInstallerPage.php',
'WebInstallerWelcome' => __DIR__ . '/includes/installer/WebInstallerPage.php',
+ 'WebPHandler' => __DIR__ . '/includes/media/WebP.php',
'WebRequest' => __DIR__ . '/includes/WebRequest.php',
'WebRequestUpload' => __DIR__ . '/includes/WebRequest.php',
'WebResponse' => __DIR__ . '/includes/WebResponse.php',
diff --git a/includes/DefaultSettings.php b/includes/DefaultSettings.php
index 0e6ff165cca0..c0fd345afeeb 100644
--- a/includes/DefaultSettings.php
+++ b/includes/DefaultSettings.php
@@ -884,6 +884,7 @@ $wgMediaHandlers = array(
'image/png' => 'PNGHandler',
'image/gif' => 'GIFHandler',
'image/tiff' => 'TiffHandler',
+ 'image/webp' => 'WebPHandler',
'image/x-ms-bmp' => 'BmpHandler',
'image/x-bmp' => 'BmpHandler',
'image/x-xcf' => 'XCFHandler',
diff --git a/includes/MimeMagic.php b/includes/MimeMagic.php
index 3b065255a443..2b240c3b02b4 100644
--- a/includes/MimeMagic.php
+++ b/includes/MimeMagic.php
@@ -695,7 +695,7 @@ class MimeMagic {
}
/* Look for WebP */
- if ( strncmp( $head, "RIFF", 4 ) == 0 && strncmp( substr( $head, 8, 8 ), "WEBPVP8 ", 8 ) == 0 ) {
+ if ( strncmp( $head, "RIFF", 4 ) == 0 && strncmp( substr( $head, 8, 7 ), "WEBPVP8", 7 ) == 0 ) {
wfDebug( __METHOD__ . ": recognized file as image/webp\n" );
return "image/webp";
}
diff --git a/includes/libs/RiffExtractor.php b/includes/libs/RiffExtractor.php
new file mode 100644
index 000000000000..f987c59d21c7
--- /dev/null
+++ b/includes/libs/RiffExtractor.php
@@ -0,0 +1,100 @@
+<?php
+/**
+ * Extractor for the Resource Interchange File Format
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ * http://www.gnu.org/copyleft/gpl.html
+ *
+ * @file
+ * @author Bryan Tong Minh
+ * @ingroup Media
+ */
+
+class RiffExtractor {
+ public static function findChunksFromFile( $filename, $maxChunks = -1 ) {
+ $file = fopen( $filename, 'rb' );
+ $info = self::findChunks( $file, $maxChunks );
+ fclose( $file );
+ return $info;
+ }
+
+ public static function findChunks( $file, $maxChunks = -1 ) {
+ $riff = fread( $file, 4 );
+ if ( $riff !== 'RIFF' ) {
+ return false;
+ }
+
+ // Next four bytes are fileSize
+ $fileSize = fread( $file, 4 );
+ if ( !$fileSize || strlen( $fileSize ) != 4 ) {
+ return false;
+ }
+
+ // Next four bytes are the FourCC
+ $fourCC = fread( $file, 4 );
+ if ( !$fourCC || strlen( $fourCC ) != 4 ) {
+ return false;
+ }
+
+ // Create basic info structure
+ $info = array(
+ 'fileSize' => self::extractUInt32( $fileSize ),
+ 'fourCC' => $fourCC,
+ 'chunks' => array(),
+ );
+ $numberOfChunks = 0;
+
+ // Find out the chunks
+ while ( !feof( $file ) && !( $numberOfChunks >= $maxChunks && $maxChunks >= 0 ) ) {
+ $chunkStart = ftell( $file );
+
+ $chunkFourCC = fread( $file, 4 );
+ if ( !$chunkFourCC || strlen( $chunkFourCC ) != 4 ) {
+ return $info;
+ }
+
+ $chunkSize = fread( $file, 4 );
+ if ( !$chunkSize || strlen( $chunkSize ) != 4 ) {
+ return $info;
+ }
+ $intChunkSize = self::extractUInt32( $chunkSize );
+
+ // Add chunk info to the info structure
+ $info['chunks'][] = array(
+ 'fourCC' => $chunkFourCC,
+ 'start' => $chunkStart,
+ 'size' => $intChunkSize
+ );
+
+ // Uneven chunks have padding bytes
+ $padding = $intChunkSize % 2;
+ // Seek to the next chunk
+ fseek( $file, $intChunkSize + $padding, SEEK_CUR );
+
+ }
+
+ return $info;
+ }
+
+ /**
+ * Extract a little-endian uint32 from a 4 byte string
+ * @param string $string 4-byte string
+ * @return int
+ */
+ public static function extractUInt32( $string ) {
+ $unpacked = unpack( 'V', $string );
+ return $unpacked[1];
+ }
+};
diff --git a/includes/media/Bitmap.php b/includes/media/Bitmap.php
index 5af7fbe1ae73..4be20b243c60 100644
--- a/includes/media/Bitmap.php
+++ b/includes/media/Bitmap.php
@@ -93,9 +93,8 @@ class BitmapHandler extends TransformationalImageHandler {
// JPEG decoder hint to reduce memory, available since IM 6.5.6-2
$decoderHint = array( '-define', "jpeg:size={$params['physicalDimensions']}" );
}
- } elseif ( $params['mimeType'] == 'image/png' ) {
+ } elseif ( $params['mimeType'] == 'image/png' || $params['mimeType'] == 'image/webp' ) {
$quality = array( '-quality', '95' ); // zlib 9, adaptive filtering
-
} elseif ( $params['mimeType'] == 'image/gif' ) {
if ( $this->getImageArea( $image ) > $wgMaxAnimatedGifArea ) {
// Extract initial frame only; we're so big it'll
diff --git a/includes/media/WebP.php b/includes/media/WebP.php
new file mode 100644
index 000000000000..704db41cfa75
--- /dev/null
+++ b/includes/media/WebP.php
@@ -0,0 +1,306 @@
+<?php
+/**
+ * Handler for Google's WebP format <https://developers.google.com/speed/webp/>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ * http://www.gnu.org/copyleft/gpl.html
+ *
+ * @file
+ * @ingroup Media
+ */
+
+/**
+ * Handler for Google's WebP format <https://developers.google.com/speed/webp/>
+ *
+ * @ingroup Media
+ */
+class WebPHandler extends BitmapHandler {
+ const BROKEN_FILE = '0'; // value to store in img_metadata if error extracting metadata.
+ /**
+ * @var int Minimum chunk header size to be able to read all header types
+ */
+ const MINIMUM_CHUNK_HEADER_LENGTH = 18;
+ /**
+ * @var int version of the metadata stored in db records
+ */
+ const _MW_WEBP_VERSION = 1;
+
+ const VP8X_ICC = 32;
+ const VP8X_ALPHA = 16;
+ const VP8X_EXIF = 8;
+ const VP8X_XMP = 4;
+ const VP8X_ANIM = 2;
+
+ function getMetadata( $image, $filename ) {
+ $parsedWebPData = self::extractMetadata( $filename );
+ if ( !$parsedWebPData ) {
+ return self::BROKEN_FILE;
+ }
+
+ $parsedWebPData['metadata']['_MW_WEBP_VERSION'] = self::_MW_WEBP_VERSION;
+ return serialize( $parsedWebPData );
+ }
+
+ function getMetadataType( $image ) {
+ return 'parsed-webp';
+ }
+
+ function isMetadataValid( $image, $metadata ) {
+ if ( $metadata === self::BROKEN_FILE ) {
+ // Do not repetitivly regenerate metadata on broken file.
+ return self::METADATA_GOOD;
+ }
+
+ wfSuppressWarnings();
+ $data = unserialize( $metadata );
+ wfRestoreWarnings();
+
+ if ( !$data || !is_array( $data ) ) {
+ wfDebug( __METHOD__ . " invalid WebP metadata\n" );
+
+ return self::METADATA_BAD;
+ }
+
+ if ( !isset( $data['metadata']['_MW_WEBP_VERSION'] )
+ || $data['metadata']['_MW_WEBP_VERSION'] != self::_MW_WEBP_VERSION
+ ) {
+ wfDebug( __METHOD__ . " old but compatible WebP metadata\n" );
+
+ return self::METADATA_COMPATIBLE;
+ }
+ return self::METADATA_GOOD;
+ }
+
+ /**
+ * Extracts the image size and WebP type from a file
+ *
+ * @param string $chunks Chunks as extracted by RiffExtractor
+ * @return array|bool Header data array with entries 'compression', 'width' and 'height',
+ * where 'compression' can be 'lossy', 'lossless', 'animated' or 'unknown'. False if
+ * file is not a valid WebP file.
+ */
+ public static function extractMetadata( $filename ) {
+ wfDebugLog( 'WebP', __METHOD__ . ": Extracting metadata from $filename\n" );
+
+ $info = RiffExtractor::findChunksFromFile( $filename, 100 );
+ if ( $info === false ) {
+ wfDebugLog( 'WebP', __METHOD__ . ": Not a valid RIFF file\n" );
+ return false;
+ }
+
+ if ( $info['fourCC'] != 'WEBP' ) {
+ wfDebugLog( 'WebP', __METHOD__ . ': FourCC was not WEBP: ' .
+ bin2hex( $info['fourCC'] ) . " \n" );
+ return false;
+ }
+
+ $metadata = self::extractMetadataFromChunks( $info['chunks'], $filename );
+ if ( !$metadata ) {
+ wfDebugLog( 'WebP', __METHOD__ . ": No VP8 chunks found\n" );
+ return false;
+ }
+
+ return $metadata;
+ }
+
+ /**
+ * Extracts the image size and WebP type from a file based on the chunk list
+ * @param array $chunks Chunks as extracted by RiffExtractor
+ * @return array Header data array with entries 'compression', 'width' and 'height', where
+ * 'compression' can be 'lossy', 'lossless', 'animated' or 'unknown'
+ */
+ public static function extractMetadataFromChunks( $chunks, $filename ) {
+ $vp8Info = array();
+
+ foreach ( $chunks as $chunk ) {
+ if ( !in_array( $chunk['fourCC'], array( 'VP8 ', 'VP8L', 'VP8X' ) ) ) {
+ // Not a chunk containing interesting metadata
+ continue;
+ }
+
+ $chunkHeader = file_get_contents( $filename, false, null,
+ $chunk['start'], self::MINIMUM_CHUNK_HEADER_LENGTH );
+ wfDebugLog( 'WebP', __METHOD__ . ": {$chunk['fourCC']}\n" );
+
+ switch ( $chunk['fourCC'] ) {
+ case 'VP8 ':
+ return array_merge( $vp8Info,
+ self::decodeLossyChunkHeader( $chunkHeader ) );
+ case 'VP8L':
+ return array_merge( $vp8Info,
+ self::decodeLosslessChunkHeader( $chunkHeader ) );
+ case 'VP8X':
+ $vp8Info = array_merge( $vp8Info,
+ self::decodeExtendedChunkHeader( $chunkHeader ) );
+ // Continue looking for other chunks to improve the metadata
+ break;
+ }
+ }
+ return $vp8Info;
+ }
+
+ /**
+ * Decodes a lossy chunk header
+ * @param string $header Header string
+ * @return boolean|array See WebPHandler::decodeHeader
+ */
+ protected static function decodeLossyChunkHeader( $header ) {
+ // Bytes 0-3 are 'VP8 '
+ // Bytes 4-7 are the VP8 stream size
+ // Bytes 8-10 are the frame tag
+ // Bytes 11-13 are 0x9D 0x01 0x2A called the sync code
+ $syncCode = substr( $header, 11, 3 );
+ if ( $syncCode != "\x9D\x01\x2A" ) {
+ wfDebugLog( 'WebP', __METHOD__ . ': Invalid sync code: ' .
+ bin2hex( $syncCode ) . "\n" );
+ return array();
+ }
+ // Bytes 14-17 are image size
+ $imageSize = unpack( 'v2', substr( $header, 14, 4 ) );
+ // Image sizes are 14 bit, 2 MSB are scaling parameters which are ignored here
+ return array(
+ 'compression' => 'lossy',
+ 'width' => $imageSize[1] & 0x3FFF,
+ 'height' => $imageSize[2] & 0x3FFF
+ );
+ }
+
+ /**
+ * Decodes a lossless chunk header
+ * @param string $header Header string
+ * @return boolean|array See WebPHandler::decodeHeader
+ */
+ public static function decodeLosslessChunkHeader( $header ) {
+ // Bytes 0-3 are 'VP8L'
+ // Bytes 4-7 are chunk stream size
+ // Byte 8 is 0x2F called the signature
+ if ( $header{8} != "\x2F" ) {
+ wfDebugLog( 'WebP', __METHOD__ . ': Invalid signature: ' .
+ bin2hex( $header{8} ) . "\n" );
+ return array();
+ }
+ // Bytes 9-12 contain the image size
+ // Bits 0-13 are width-1; bits 15-27 are height-1
+ $imageSize = unpack( 'C4', substr( $header, 9, 4 ) );
+ return array(
+ 'compression' => 'lossless',
+ 'width' => ( $imageSize[1] | ( ( $imageSize[2] & 0x3F ) << 8 ) ) + 1,
+ 'height' => ( ( ( $imageSize[2] & 0xC0 ) >> 6 ) |
+ ( $imageSize[3] << 2 ) | ( ( $imageSize[4] & 0x03 ) << 10 ) ) + 1
+ );
+ }
+
+ /**
+ * Decodes an extended chunk header
+ * @param string $header Header string
+ * @return boolean|array See WebPHandler::decodeHeader
+ */
+ public static function decodeExtendedChunkHeader( $header ) {
+ // Bytes 0-3 are 'VP8X'
+ // Byte 4-7 are chunk length
+ // Byte 8-11 are a flag bytes
+ $flags = unpack( 'c', substr( $header, 8, 1 ) );
+
+ // Byte 12-17 are image size (24 bits)
+ $width = unpack( 'V', substr( $header, 12, 3 ) . "\x00" );
+ $height = unpack( 'V', substr( $header, 15, 3 ) . "\x00" );
+
+ return array(
+ 'compression' => 'unknown',
+ 'animated' => ($flags[1] & self::VP8X_ANIM) == self::VP8X_ANIM,
+ 'transparency' => ($flags[1] & self::VP8X_ALPHA) == self::VP8X_ALPHA,
+ 'width' => ( $width[1] & 0xFFFFFF ) + 1,
+ 'height' => ( $height[1] & 0xFFFFFF ) + 1
+ );
+ }
+
+ function getImageSize( $file, $path, $metadata = false ) {
+ if ( $file === null ) {
+ $metadata = self::getMetadata( $file, $path );
+ }
+ if ( $metadata === false ) {
+ $metadata = $file->getMetadata();
+ }
+
+ wfSuppressWarnings();
+ $metadata = unserialize( $metadata );
+ wfRestoreWarnings();
+
+ if ( $metadata == false ) {
+ return false;
+ }
+ return array( $metadata['width'], $metadata['height'] );
+ }
+
+ /**
+ * @param $file
+ * @return bool True, not all browsers support WebP
+ */
+ function mustRender( $file ) {
+ return true;
+ }
+
+ /**
+ * @param $file
+ * @return bool False if we are unable to render this image
+ */
+ function canRender( $file ) {
+ if ( self::isAnimatedImage( $file ) ) {
+ return false;
+ }
+ return true;
+ }
+
+ /**
+ * @param File $image
+ * @return bool
+ */
+ function isAnimatedImage( $image ) {
+ $ser = $image->getMetadata();
+ if ( $ser ) {
+ $metadata = unserialize( $ser );
+ if ( isset($metadata['animated']) && $metadata['animated'] === true ) {
+ return true;
+ }
+ }
+
+ return false;
+ }
+
+ function canAnimateThumbnail( $file ) {
+ return false;
+ }
+
+ /**
+ * Render files as PNG
+ *
+ * @param $ext
+ * @param $mime
+ * @param $params
+ * @return array
+ */
+ function getThumbType( $ext, $mime, $params = null ) {
+ return array( 'png', 'image/png' );
+ }
+
+ /**
+ * Must use "im" for XCF
+ *
+ * @return string
+ */
+ protected function getScalerType( $dstPath, $checkDstPath = true ) {
+ return 'im';
+ }
+}
diff --git a/tests/phpunit/data/media/2_webp_a.webp b/tests/phpunit/data/media/2_webp_a.webp
new file mode 100644
index 000000000000..8764f066b9c0
--- /dev/null
+++ b/tests/phpunit/data/media/2_webp_a.webp
Binary files differ
diff --git a/tests/phpunit/data/media/2_webp_ll.webp b/tests/phpunit/data/media/2_webp_ll.webp
new file mode 100644
index 000000000000..5794bbf27dc3
--- /dev/null
+++ b/tests/phpunit/data/media/2_webp_ll.webp
Binary files differ
diff --git a/tests/phpunit/data/media/webp_animated.webp b/tests/phpunit/data/media/webp_animated.webp
new file mode 100644
index 000000000000..25c6a4dd6cfa
--- /dev/null
+++ b/tests/phpunit/data/media/webp_animated.webp
Binary files differ
diff --git a/tests/phpunit/includes/media/WebPTest.php b/tests/phpunit/includes/media/WebPTest.php
new file mode 100644
index 000000000000..d36710a34fef
--- /dev/null
+++ b/tests/phpunit/includes/media/WebPTest.php
@@ -0,0 +1,127 @@
+<?php
+class WebPHandlerTest extends MediaWikiTestCase {
+ public function setUp() {
+ parent::setUp();
+ // Allocated file for testing
+ $this->tempFileName = tempnam( wfTempDir(), 'WEBP' );
+ }
+ public function tearDown() {
+ parent::tearDown();
+ unlink( $this->tempFileName );
+ }
+ /**
+ * @dataProvider provideTestExtractMetaData
+ */
+ public function testExtractMetaData( $header, $expectedResult ) {
+ // Put header into file
+ file_put_contents( $this->tempFileName, $header );
+
+ $this->assertEquals( $expectedResult, WebPHandler::extractMetadata( $this->tempFileName ) );
+ }
+ public function provideTestExtractMetaData() {
+ return array(
+ // Files from https://developers.google.com/speed/webp/gallery2
+ array( "\x52\x49\x46\x46\x90\x68\x01\x00\x57\x45\x42\x50\x56\x50\x38\x4C\x83\x68\x01\x00\x2F\x8F\x01\x4B\x10\x8D\x38\x6C\xDB\x46\x92\xE0\xE0\x82\x7B\x6C",
+ array( 'compression' => 'lossless', 'width' => 400, 'height' => 301 ) ),
+ array( "\x52\x49\x46\x46\x64\x5B\x00\x00\x57\x45\x42\x50\x56\x50\x38\x58\x0A\x00\x00\x00\x10\x00\x00\x00\x8F\x01\x00\x2C\x01\x00\x41\x4C\x50\x48\xE5\x0E",
+ array( 'compression' => 'unknown', 'animated' => false, 'transparency' => true, 'width' => 400, 'height' => 301) ),
+ array( "\x52\x49\x46\x46\xA8\x72\x00\x00\x57\x45\x42\x50\x56\x50\x38\x4C\x9B\x72\x00\x00\x2F\x81\x81\x62\x10\x8D\x40\x8C\x24\x39\x6E\x73\x73\x38\x01\x96",
+ array( 'compression' => 'lossless', 'width' => 386, 'height' => 395 ) ),
+ array( "\x52\x49\x46\x46\xE0\x42\x00\x00\x57\x45\x42\x50\x56\x50\x38\x58\x0A\x00\x00\x00\x10\x00\x00\x00\x81\x01\x00\x8A\x01\x00\x41\x4C\x50\x48\x56\x10",
+ array( 'compression' => 'unknown', 'animated' => false, 'transparency' => true, 'width' => 386, 'height' => 395 ) ),
+ array( "\x52\x49\x46\x46\x70\x61\x02\x00\x57\x45\x42\x50\x56\x50\x38\x4C\x63\x61\x02\x00\x2F\x1F\xC3\x95\x10\x8D\xC8\x72\xDB\xC8\x92\x24\xD8\x91\xD9\x91",
+ array( 'compression' => 'lossless', 'width' => 800, 'height' => 600 ) ),
+ array( "\x52\x49\x46\x46\x1C\x1D\x01\x00\x57\x45\x42\x50\x56\x50\x38\x58\x0A\x00\x00\x00\x10\x00\x00\x00\x1F\x03\x00\x57\x02\x00\x41\x4C\x50\x48\x25\x8B",
+ array( 'compression' => 'unknown', 'animated' => false, 'transparency' => true, 'width' => 800, 'height' => 600 ) ),
+ array( "\x52\x49\x46\x46\xFA\xC5\x00\x00\x57\x45\x42\x50\x56\x50\x38\x4C\xEE\xC5\x00\x00\x2F\xA4\x81\x28\x10\x8D\x40\x68\x24\xC9\x91\xA4\xAE\xF3\x97\x75",
+ array( 'compression' => 'lossless', 'width' => 421, 'height' => 163 ) ),
+ array( "\x52\x49\x46\x46\xF6\x5D\x00\x00\x57\x45\x42\x50\x56\x50\x38\x58\x0A\x00\x00\x00\x10\x00\x00\x00\xA4\x01\x00\xA2\x00\x00\x41\x4C\x50\x48\x38\x1A",
+ array( 'compression' => 'unknown', 'animated' => false, 'transparency' => true, 'width' => 421, 'height' => 163 ) ),
+ array( "\x52\x49\x46\x46\xC4\x96\x01\x00\x57\x45\x42\x50\x56\x50\x38\x4C\xB8\x96\x01\x00\x2F\x2B\xC1\x4A\x10\x11\x87\x6D\xDB\x48\x12\xFC\x60\xB0\x83\x24",
+ array( 'compression' => 'lossless', 'width' => 300, 'height' => 300 ) ),
+ array( "\x52\x49\x46\x46\x0A\x11\x01\x00\x57\x45\x42\x50\x56\x50\x38\x58\x0A\x00\x00\x00\x10\x00\x00\x00\x2B\x01\x00\x2B\x01\x00\x41\x4C\x50\x48\x67\x6E",
+ array( 'compression' => 'unknown', 'animated' => false, 'transparency' => true, 'width' => 300, 'height' => 300 ) ),
+
+ // Lossy files from https://developers.google.com/speed/webp/gallery1
+ array( "\x52\x49\x46\x46\x68\x76\x00\x00\x57\x45\x42\x50\x56\x50\x38\x20\x5C\x76\x00\x00\xD2\xBE\x01\x9D\x01\x2A\x26\x02\x70\x01\x3E\xD5\x4E\x97\x43\xA2",
+ array( 'compression' => 'lossy', 'width' => 550, 'height' => 368 ) ),
+ array( "\x52\x49\x46\x46\xB0\xEC\x00\x00\x57\x45\x42\x50\x56\x50\x38\x20\xA4\xEC\x00\x00\xB2\x4B\x02\x9D\x01\x2A\x26\x02\x94\x01\x3E\xD1\x50\x96\x46\x26",
+ array( 'compression' => 'lossy', 'width' => 550, 'height' => 404 ) ),
+ array( "\x52\x49\x46\x46\x7A\x19\x03\x00\x57\x45\x42\x50\x56\x50\x38\x20\x6E\x19\x03\x00\xB2\xF8\x09\x9D\x01\x2A\x00\x05\xD0\x02\x3E\xAD\x46\x99\x4A\xA5",
+ array( 'compression' => 'lossy', 'width' => 1280, 'height' => 720 ) ),
+ array( "\x52\x49\x46\x46\x44\xB3\x02\x00\x57\x45\x42\x50\x56\x50\x38\x20\x38\xB3\x02\x00\x52\x57\x06\x9D\x01\x2A\x00\x04\x04\x03\x3E\xA5\x44\x96\x49\x26",
+ array( 'compression' => 'lossy', 'width' => 1024, 'height' => 772) ),
+ array( "\x52\x49\x46\x46\x02\x43\x01\x00\x57\x45\x42\x50\x56\x50\x38\x20\xF6\x42\x01\x00\x12\xC0\x05\x9D\x01\x2A\x00\x04\xF0\x02\x3E\x79\x34\x93\x47\xA4",
+ array( 'compression' => 'lossy', 'width' => 1024, 'height' => 752) ),
+
+ // Animated file from https://groups.google.com/a/chromium.org/d/topic/blink-dev/Y8tRC4mdQz8/discussion
+ array( "\x52\x49\x46\x46\xD0\x0B\x02\x00\x57\x45\x42\x50\x56\x50\x38\x58\x0A\x00\x00\x00\x12\x00\x00\x00\x3F\x01\x00\x3F\x01\x00\x41\x4E",
+ array( 'compression' => 'unknown', 'animated' => true, 'transparency' => true, 'width' => 320, 'height' => 320 ) ),
+
+ // Error cases
+ array( '', false ),
+ array( ' ', false ),
+ array( 'RIFF ', false ),
+ array( 'RIFF1234WEBP ', false ),
+ array( 'RIFF1234WEBPVP8 ', false ),
+ array( 'RIFF1234WEBPVP8L ', false ),
+ );
+ }
+
+ /**
+ * @dataProvider provideTestWithFileExtractMetaData
+ */
+ public function testWithFileExtractMetaData( $filename, $expectedResult ) {
+ $this->assertEquals( $expectedResult, WebPHandler::extractMetadata( $filename ) );
+ }
+ public function provideTestWithFileExtractMetaData() {
+ return array(
+ array( __DIR__ . '/../../data/media/2_webp_ll.webp',
+ array( 'compression' => 'lossless', 'width' => 386, 'height' => 395 ) ),
+ array( __DIR__ . '/../../data/media/2_webp_a.webp',
+ array( 'compression' => 'lossy', 'animated' => false, 'transparency' => true, 'width' => 386, 'height' => 395 ) ),
+ );
+ }
+
+ /**
+ * @dataProvider provideTestGetImageSize
+ */
+ public function testGetImageSize( $path, $expectedResult ) {
+ $handler = new WebPHandler();
+ $this->assertEquals( $expectedResult, $handler->getImageSize( null, $path ) );
+ }
+ public function provideTestGetImageSize() {
+ return array(
+ // Public domain files from https://developers.google.com/speed/webp/gallery2
+ array( __DIR__ . '/../../data/media/2_webp_a.webp', array( 386, 395 ) ),
+ array( __DIR__ . '/../../data/media/2_webp_ll.webp', array( 386, 395 ) ),
+ array( __DIR__ . '/../../data/media/webp_animated.webp', array( 300, 225 ) ),
+
+ // Error cases
+ array( __FILE__, false ),
+ );
+ }
+
+ /**
+ * Tests the WebP MIME detection. This should really be a separate test, but sticking it
+ * here for now.
+ *
+ * @dataProvider provideTestGetMimeType
+ */
+ public function testGuessMimeType( $path ) {
+ $mime = MimeMagic::singleton();
+ $this->assertEquals( 'image/webp', $mime->guessMimeType( $path, false ) );
+ }
+ public function provideTestGetMimeType() {
+ return array(
+ // Public domain files from https://developers.google.com/speed/webp/gallery2
+ array( __DIR__ . '/../../data/media/2_webp_a.webp' ),
+ array( __DIR__ . '/../../data/media/2_webp_ll.webp' ),
+ array( __DIR__ . '/../../data/media/webp_animated.webp' ),
+ );
+ }
+}
+
+/* Python code to extract a header and convert to PHP format:
+ * print '"%s"' % ''.join( '\\x%02X' % ord(c) for c in urllib.urlopen(url).read(36) )
+ */
generated by cgit v1.2.3 (git 2.25.1) at 2025-04-22 07:32:11 +0000