3 * Packed image gallery. All images adjusted to be same height.
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 2 of the License, or
8 * (at your option) any later version.
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
15 * You should have received a copy of the GNU General Public License along
16 * with this program; if not, write to the Free Software Foundation, Inc.,
17 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
18 * http://www.gnu.org/copyleft/gpl.html
23 class PackedImageGallery
extends TraditionalImageGallery
{
25 function __construct( $mode = 'traditional' ) {
26 parent
::__construct( $mode );
27 // Does not support per row option.
32 * We artificially have 1.5 the resolution neccessary so that
33 * we can scale it up by that much on the client side, without
34 * worrying about requesting a new image.
36 const SCALE_FACTOR
= 1.5;
38 protected function getVPad( $boxHeight, $thumbHeight ) {
39 return ( $this->getThumbPadding() +
$boxHeight - $thumbHeight / self
::SCALE_FACTOR
) / 2;
42 protected function getThumbPadding() {
46 protected function getGBPadding() {
51 * @param File $img The file being transformed. May be false
53 protected function getThumbParams( $img ) {
54 if ( $img && $img->getMediaType() === MEDIATYPE_AUDIO
) {
55 $width = $this->mWidths
;
57 // We want the width not to be the constraining
58 // factor, so use random big number.
59 $width = $this->mHeights
* 10 +
100;
61 // self::SCALE_FACTOR so the js has some room to manipulate sizes.
63 'width' => $width * self
::SCALE_FACTOR
,
64 'height' => $this->mHeights
* self
::SCALE_FACTOR
,
68 protected function getThumbDivWidth( $thumbWidth ) {
69 // Require at least 60px wide, so caption is wide enough to work.
70 if ( $thumbWidth < 60 * self
::SCALE_FACTOR
) {
71 $thumbWidth = 60 * self
::SCALE_FACTOR
;
73 return $thumbWidth / self
::SCALE_FACTOR +
$this->getThumbPadding();
77 * @param MediaTransformOutput|bool $thumb the thumbnail, or false if no thumb (which can happen)
79 protected function getGBWidth( $thumb ) {
80 $thumbWidth = $thumb ?
$thumb->getWidth() : $this->mWidths
* self
::SCALE_FACTOR
;
81 return $this->getThumbDivWidth( $thumbWidth ) +
$this->getGBPadding();
84 protected function adjustImageParameters( $thumb, &$imageParameters ) {
85 // Re-adjust back to normal size.
86 $imageParameters['override-width'] = ceil( $thumb->getWidth() / self
::SCALE_FACTOR
);
87 $imageParameters['override-height'] = ceil( $thumb->getHeight() / self
::SCALE_FACTOR
);
91 * Add javascript which auto-justifies the rows by manipulating the image sizes.
92 * Also ensures that the hover version of this degrades gracefully.
94 protected function getModules() {
95 return array( 'mediawiki.page.gallery' );
99 * Do not support per-row on packed. It really doesn't work
100 * since the images have varying widths.
102 public function setPerRow( $num ) {