--- /dev/null
+<?php
+/**
+ *
+ * Created on January 3rd, 2013
+ *
+ * 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
+ */
+
+class ApiImageRotate extends ApiBase {
+
+ private $mPageSet = null;
+
+ public function __construct( $main, $action ) {
+ parent::__construct( $main, $action );
+ }
+
+ /**
+ * Add all items from $values into the result
+ * @param $result array output
+ * @param $values array values to add
+ * @param $flag string the name of the boolean flag to mark this element
+ * @param $name string if given, name of the value
+ */
+ private static function addValues( array &$result, $values, $flag = null, $name = null ) {
+ foreach ( $values as $val ) {
+ if( $val instanceof Title ) {
+ $v = array();
+ ApiQueryBase::addTitleInfo( $v, $val );
+ } elseif( $name !== null ) {
+ $v = array( $name => $val );
+ } else {
+ $v = $val;
+ }
+ if( $flag !== null ) {
+ $v[$flag] = '';
+ }
+ $result[] = $v;
+ }
+ }
+
+
+ public function execute() {
+ $params = $this->extractRequestParams();
+ $rotation = $params[ 'rotation' ];
+ $user = $this->getUser();
+
+ if( is_null( $rotation ) || $rotation % 90 ) {
+ $this->dieUsage( "Rotation: {$rotation}", 'rotation must be multiple of 90 degrees' );
+ }
+
+ $pageSet = $this->getPageSet();
+ $pageSet->execute();
+
+ $result = array();
+ $result = array();
+
+ self::addValues( $result, $pageSet->getInvalidTitles(), 'invalid', 'title' );
+ self::addValues( $result, $pageSet->getSpecialTitles(), 'special', 'title' );
+ self::addValues( $result, $pageSet->getMissingPageIDs(), 'missing', 'pageid' );
+ self::addValues( $result, $pageSet->getMissingRevisionIDs(), 'missing', 'revid' );
+ self::addValues( $result, $pageSet->getMissingTitles(), 'missing' );
+ self::addValues( $result, $pageSet->getInterwikiTitlesAsResult() );
+
+ foreach ( $pageSet->getTitles() as $title ) {
+ $file = wfFindFile( $title );
+
+ $r = array();
+ $r[ 'title' ] = $title->getFullText();
+ if ( !$file ) {
+ $r['missing'] = '';
+ $r['result'] = 'Failure';
+ $result[] = $r;
+ continue;
+ }
+ $handler = $file->getHandler();
+ if ( !$handler || !$handler->canRotate() ) {
+ $r['invalid'] = '';
+ $r['result'] = 'Failure';
+ $result[] = $r;
+ continue;
+ }
+
+ // Check whether we're allowed to rotate this file
+ $this->checkPermissions( $this->getUser(), $file->getTitle() );
+
+ $srcPath = $file->getLocalRefPath();
+ $ext = strtolower( pathinfo( "$srcPath", PATHINFO_EXTENSION ) );
+ $tmpFile = TempFSFile::factory( 'rotate_', $ext);
+ $dstPath = $tmpFile->getPath();
+ $err = $handler->rotate( $file, array(
+ "srcPath" => $srcPath,
+ "dstPath" => $dstPath,
+ "rotation"=> $rotation
+ ) );
+ if ( !$err ) {
+ $comment = wfMessage( 'rotate-comment' )->numParams( $rotation )->text();
+ $status = $file->upload( $dstPath,
+ $comment, $comment, 0, false, false, $this->getUser() );
+ if ( $status->isGood() ) {
+ $r['result'] = 'Success';
+ } else {
+ $r['result'] = 'Failure';
+ $r['errormessage'] = $this->getResult()->convertStatusToArray( $status );
+ }
+ } else {
+ $r['result'] = 'Failure';
+ $r['errormessage'] = $err->toText();
+ }
+ $result[] = $r;
+ }
+ $apiResult = $this->getResult();
+ $apiResult->setIndexedTagName( $result, 'page' );
+ $apiResult->addValue( null, $this->getModuleName(), $result );
+ }
+
+ /**
+ * Get a cached instance of an ApiPageSet object
+ * @return ApiPageSet
+ */
+ private function getPageSet() {
+ if ( $this->mPageSet === null ) {
+ $this->mPageSet = new ApiPageSet( $this, 0, NS_FILE);
+ }
+ return $this->mPageSet;
+ }
+
+ /**
+ * Checks that the user has permissions to perform rotations.
+ * Dies with usage message on inadequate permissions.
+ * @param $user User The user to check.
+ */
+ protected function checkPermissions( $user, $title ) {
+ $permissionErrors = array_merge(
+ $title->getUserPermissionsErrors( 'edit' , $user ),
+ $title->getUserPermissionsErrors( 'upload' , $user )
+ );
+
+ if ( $permissionErrors ) {
+ $this->dieUsageMsg( $permissionErrors[0] );
+ }
+ }
+
+ public function mustBePosted() {
+ return true;
+ }
+
+ public function isWriteMode() {
+ return true;
+ }
+
+ public function getAllowedParams( $flags = 0 ) {
+ $pageSet = $this->getPageSet();
+ $result = array(
+ 'rotation' => array(
+ ApiBase::PARAM_DFLT => 0,
+ ),
+ 'token' => array(
+ ApiBase::PARAM_TYPE => 'string',
+ ApiBase::PARAM_REQUIRED => true
+ ),
+ );
+ if ( $flags ) {
+ $result += $this->getPageSet()->getFinalParams( $flags );
+ }
+ return $result;
+ }
+
+ public function getParamDescription() {
+ $pageSet = $this->getPageSet();
+ return $pageSet->getParamDescription() + array(
+ 'rotation' => 'Degrees to rotate image, values can be 0, 90, 180 or 270',
+ 'token' => 'Edit token. You can get one of these through prop=info',
+ );
+ }
+
+ public function getDescription() {
+ return 'Rotate one or more images';
+ }
+
+ public function needsToken() {
+ return true;
+ }
+
+ public function getTokenSalt() {
+ return '';
+ }
+
+ public function getPossibleErrors() {
+ $pageSet = $this->getPageSet();
+ return array_merge(
+ parent::getPossibleErrors(),
+ $pageSet->getPossibleErrors()
+ );
+ }
+
+ public function getExamples() {
+ return array(
+ 'api.php?action=imagerotate&titles=Example.jpg&rotation=90&token=+\\',
+ );
+ }
+}
# Escape glob chars
$path = preg_replace( '/[*?\[\]{}]/', '\\\\\0', $path );
- return $this->escapeMagickPath( $path, $scene );
+ return self::escapeMagickPath( $path, $scene );
}
/**
*/
function escapeMagickOutput( $path, $scene = false ) {
$path = str_replace( '%', '%%', $path );
- return $this->escapeMagickPath( $path, $scene );
+ return self::escapeMagickPath( $path, $scene );
}
/**
}
}
+ /**
+ * @param $file File
+ * @param $params array Rotate parameters.
+ * 'rotation' clockwise rotation in degrees, allowed are multiples of 90
+ * @since 1.21
+ * @return bool
+ */
+ public static function rotate( $file, $params ) {
+ global $wgImageMagickConvertCommand;
+
+ $rotation = ( $params[ 'rotation' ] + self::getRotation( $file ) ) % 360;
+ $scene = false;
+
+ $scaler = self::getScalerType( null, false );
+ switch ( $scaler ) {
+ case 'im':
+ $cmd = wfEscapeShellArg( $wgImageMagickConvertCommand ) . " " .
+ wfEscapeShellArg( self::escapeMagickInput( $params[ 'srcPath' ], $scene ) ) .
+ " -rotate -$rotation " .
+ wfEscapeShellArg( self::escapeMagickOutput( $params[ 'dstPath' ] ) ) . " 2>&1";
+ wfDebug( __METHOD__ . ": running ImageMagick: $cmd\n" );
+ wfProfileIn( 'convert' );
+ $retval = 0;
+ $err = wfShellExec( $cmd, $retval, $env );
+ wfProfileOut( 'convert' );
+ if ( $retval !== 0 ) {
+ self::logErrorForExternalProcess( $retval, $err, $cmd );
+ return new MediaTransformError( 'thumbnail_error', 0, 0, $err );
+ }
+ return false;
+ case 'imext':
+ $im = new Imagick();
+ $im->readImage( $params['srcPath'] );
+ if ( !$im->rotateImage( new ImagickPixel( 'white' ), 360 - $rotation ) ) {
+ return new MediaTransformError( 'thumbnail_error', 0, 0,
+ "Error rotating $rotation degrees" );
+ }
+ $result = $im->writeImage( $params['dstPath'] );
+ if ( !$result ) {
+ return new MediaTransformError( 'thumbnail_error', 0, 0,
+ "Unable to write image to {$params['dstPath']}" );
+ }
+ return false;
+ default:
+ return new MediaTransformError( 'thumbnail_error', 0, 0,
+ "$scaler rotation not implemented" );
+ }
+ }
+
/**
* Rerurns whether the file needs to be rendered. Returns true if the
* file requires rotation and we are able to rotate it.