mPerRow = 0; } /** * We artificially have 1.5 the resolution necessary so that * we can scale it up by that much on the client side, without * worrying about requesting a new image. */ private const SCALE_FACTOR = 1.5; protected function getVPad( $boxHeight, $thumbHeight ) { return ( $this->getThumbPadding() + $boxHeight - $thumbHeight / self::SCALE_FACTOR ) / 2; } protected function getThumbPadding() { return 0; } protected function getGBPadding() { return 2; } /** * @param File $img The file being transformed. May be false * @return array */ protected function getThumbParams( $img ) { if ( $img && $img->getMediaType() === MEDIATYPE_AUDIO ) { $width = $this->mWidths; } else { // We want the width not to be the constraining // factor, so use random big number. $width = $this->mHeights * 10 + 100; } // self::SCALE_FACTOR so the js has some room to manipulate sizes. return [ 'width' => $width * self::SCALE_FACTOR, 'height' => $this->mHeights * self::SCALE_FACTOR, ]; } protected function getThumbDivWidth( $thumbWidth ) { // Require at least 60px wide, so caption is wide enough to work. if ( $thumbWidth < 60 * self::SCALE_FACTOR ) { $thumbWidth = 60 * self::SCALE_FACTOR; } return $thumbWidth / self::SCALE_FACTOR + $this->getThumbPadding(); } /** * @param MediaTransformOutput|bool $thumb The thumbnail, or false if no * thumb (which can happen) * @return float */ protected function getGBWidth( $thumb ) { $thumbWidth = $thumb ? $thumb->getWidth() : $this->mWidths * self::SCALE_FACTOR; return $this->getThumbDivWidth( $thumbWidth ) + $this->getGBPadding(); } protected function adjustImageParameters( $thumb, &$imageParameters ) { // Re-adjust back to normal size. $imageParameters['override-width'] = ceil( $thumb->getWidth() / self::SCALE_FACTOR ); $imageParameters['override-height'] = ceil( $thumb->getHeight() / self::SCALE_FACTOR ); } /** * Add javascript which auto-justifies the rows by manipulating the image sizes. * Also ensures that the hover version of this degrades gracefully. * @return array */ protected function getModules() { return [ 'mediawiki.page.gallery' ]; } /** * Do not support per-row on packed. It really doesn't work * since the images have varying widths. * @param int $num */ public function setPerRow( $num ) { } }