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| 1 | <?php |
| 2 | |
| 3 | namespace MediaWiki\Extension\ThreeD; |
| 4 | |
| 5 | use File; |
| 6 | use ImageHandler; |
| 7 | use MediaTransformError; |
| 8 | use MediaTransformOutput; |
| 9 | use MediaWiki\Shell\Shell; |
| 10 | use Parser; |
| 11 | use ThumbnailImage; |
| 12 | use TransformParameterError; |
| 13 | |
| 14 | /** |
| 15 | * |
| 16 | * This program is free software; you can redistribute it and/or modify |
| 17 | * it under the terms of the GNU General Public License as published by |
| 18 | * the Free Software Foundation; either version 2 of the License, or |
| 19 | * (at your option) any later version. |
| 20 | * |
| 21 | * This program is distributed in the hope that it will be useful, |
| 22 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 23 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 24 | * GNU General Public License for more details. |
| 25 | * |
| 26 | * You should have received a copy of the GNU General Public License along |
| 27 | * with this program; if not, write to the Free Software Foundation, Inc., |
| 28 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. |
| 29 | * http://www.gnu.org/copyleft/gpl.html |
| 30 | */ |
| 31 | |
| 32 | class ThreeDHandler extends ImageHandler { |
| 33 | /** |
| 34 | * @param File $file |
| 35 | * @return bool |
| 36 | */ |
| 37 | public function mustRender( $file ) { |
| 38 | return true; |
| 39 | } |
| 40 | |
| 41 | /** |
| 42 | * @param File $file |
| 43 | * @return bool |
| 44 | */ |
| 45 | public function isVectorized( $file ) { |
| 46 | return true; |
| 47 | } |
| 48 | |
| 49 | /** |
| 50 | * @param File $image |
| 51 | * @param array &$params |
| 52 | * @return bool |
| 53 | */ |
| 54 | public function normaliseParams( $image, &$params ) { |
| 55 | global $wgSVGMaxSize; |
| 56 | if ( !parent::normaliseParams( $image, $params ) ) { |
| 57 | return false; |
| 58 | } |
| 59 | // Note: the annotation below is incomplete to save up space, expand if necessary |
| 60 | '@phan-var array{physicalWidth:int,physicalHeight:int} $params'; |
| 61 | |
| 62 | // Don't make an image bigger than wgMaxSVGSize on the smaller side |
| 63 | if ( $params['physicalWidth'] <= $params['physicalHeight'] ) { |
| 64 | if ( $params['physicalWidth'] > $wgSVGMaxSize ) { |
| 65 | $srcWidth = $image->getWidth(); |
| 66 | $srcHeight = $image->getHeight(); |
| 67 | $params['physicalWidth'] = $wgSVGMaxSize; |
| 68 | $params['physicalHeight'] = File::scaleHeight( $srcWidth, $srcHeight, $wgSVGMaxSize ); |
| 69 | } |
| 70 | } else { |
| 71 | if ( $params['physicalHeight'] > $wgSVGMaxSize ) { |
| 72 | $srcWidth = $image->getWidth(); |
| 73 | $srcHeight = $image->getHeight(); |
| 74 | $params['physicalWidth'] = File::scaleHeight( $srcHeight, $srcWidth, $wgSVGMaxSize ); |
| 75 | $params['physicalHeight'] = $wgSVGMaxSize; |
| 76 | } |
| 77 | } |
| 78 | |
| 79 | return true; |
| 80 | } |
| 81 | |
| 82 | /** |
| 83 | * @param File $image |
| 84 | * @param string $dstPath |
| 85 | * @param string $dstUrl |
| 86 | * @param array $params |
| 87 | * @param int $flags |
| 88 | * |
| 89 | * @return MediaTransformError|MediaTransformOutput|ThumbnailImage|TransformParameterError |
| 90 | */ |
| 91 | public function doTransform( $image, $dstPath, $dstUrl, $params, $flags = 0 ) { |
| 92 | global $wg3dProcessor, $wg3dProcessEnviron, $wgMax3d2pngMemory; |
| 93 | |
| 94 | // Impose an aspect ratio |
| 95 | $params['height'] = (int)round( $params['width'] / ( 640 / 480 ) ); |
| 96 | |
| 97 | if ( $flags & self::TRANSFORM_LATER ) { |
| 98 | return new ThreeDThumbnailImage( $image, $dstUrl, $dstPath, $params ); |
| 99 | } |
| 100 | |
| 101 | $width = $params['width']; |
| 102 | $height = $params['height']; |
| 103 | |
| 104 | if ( !wfMkdirParents( dirname( $dstPath ), null, __METHOD__ ) ) { |
| 105 | return new MediaTransformError( |
| 106 | 'thumbnail_error', |
| 107 | $width, |
| 108 | $height, |
| 109 | wfMessage( 'thumbnail_dest_directory' ) |
| 110 | ); |
| 111 | } |
| 112 | |
| 113 | $srcPath = $image->getLocalRefPath(); |
| 114 | |
| 115 | // $wg3dProcessor can be string (e.g. '/path/to/3d2png.js') or array |
| 116 | // (e.g. ['xvfb-run', '-a', '-s', '-ac -screen 0 1280x1024x24', '/path/to/3d2png.js']) |
| 117 | $cmd = Shell::command( array_merge( (array)$wg3dProcessor, |
| 118 | [ |
| 119 | $srcPath, |
| 120 | sprintf( '%dx%d', $width, $height ), |
| 121 | $dstPath, |
| 122 | ] ) |
| 123 | ) |
| 124 | ->limits( [ 'memory' => $wgMax3d2pngMemory ] ) |
| 125 | ->environment( $wg3dProcessEnviron ) |
| 126 | ->profileMethod( __METHOD__ ); |
| 127 | |
| 128 | $result = $cmd->execute(); |
| 129 | |
| 130 | if ( $result->getExitCode() !== 0 ) { |
| 131 | $err = trim( $result->getStdout() ); |
| 132 | wfDebugLog( 'thumbnail', |
| 133 | sprintf( 'thumbnail failed on %s: error %d "%s" from "%s"', |
| 134 | wfHostname(), $result->getExitCode(), $err, $cmd ) |
| 135 | ); |
| 136 | return new MediaTransformError( 'thumbnail_error', $width, $height, $err ); |
| 137 | } else { |
| 138 | return new ThreeDThumbnailImage( $image, $dstUrl, $dstPath, $params ); |
| 139 | } |
| 140 | } |
| 141 | |
| 142 | /** |
| 143 | * @param File $file |
| 144 | * @param string $path Unused |
| 145 | * @param bool|array $metadata |
| 146 | * @return array |
| 147 | */ |
| 148 | public function getImageSize( $file, $path, $metadata = false ) { |
| 149 | return [ 5120, 2880 ]; |
| 150 | } |
| 151 | |
| 152 | /** |
| 153 | * @param string $ext |
| 154 | * @param string $mime |
| 155 | * @param array|null $params |
| 156 | * @return array |
| 157 | */ |
| 158 | public function getThumbType( $ext, $mime, $params = null ) { |
| 159 | return [ 'png', 'image/png' ]; |
| 160 | } |
| 161 | |
| 162 | /** |
| 163 | * @param Parser $parser |
| 164 | * @param File $file |
| 165 | */ |
| 166 | public function parserTransformHook( $parser, $file ) { |
| 167 | $parser->getOutput()->addModuleStyles( [ 'ext.3d.styles' ] ); |
| 168 | } |
| 169 | |
| 170 | } |