}
protected function openShowImage() {
- global $wgImageLimits, $wgEnableUploads, $wgSend404Code;
+ global $wgEnableUploads, $wgSend404Code;
$this->loadFile();
$out = $this->getContext()->getOutput();
if ( $this->displayImg->allowInlineDisplay() ) {
# image
-
# "Download high res version" link below the image
# $msgsize = wfMessage( 'file-info-size', $width_orig, $height_orig,
# Linker::formatSize( $this->displayImg->getSize() ), $mime )->escaped();
# We'll show a thumbnail of this image
- if ( $width > $maxWidth || $height > $maxHeight ) {
- # Calculate the thumbnail size.
- # First case, the limiting factor is the width, not the height.
- /** @todo // FIXME: Possible division by 0. bug 36911 */
- if ( $width / $height >= $maxWidth / $maxHeight ) {
- /** @todo // FIXME: Possible division by 0. bug 36911 */
- $height = round( $height * $maxWidth / $width );
- $width = $maxWidth;
- # Note that $height <= $maxHeight now.
- } else {
- /** @todo // FIXME: Possible division by 0. bug 36911 */
- $newwidth = floor( $width * $maxHeight / $height );
- /** @todo // FIXME: Possible division by 0. bug 36911 */
- $height = round( $height * $newwidth / $width );
- $width = $newwidth;
- # Note that $height <= $maxHeight now, but might not be identical
- # because of rounding.
- }
+ if ( $width > $maxWidth || $height > $maxHeight || $this->displayImg->isVectorized() ) {
+ list( $width, $height ) = $this->getDisplayWidthHeight(
+ $maxWidth, $maxHeight, $width, $height
+ );
$linktext = wfMessage( 'show-big-image' )->escaped();
- if ( $this->displayImg->getRepo()->canTransformVia404() ) {
- $thumbSizes = $wgImageLimits;
- // Also include the full sized resolution in the list, so
- // that users know they can get it. This will link to the
- // original file asset if mustRender() === false. In the case
- // that we mustRender, some users have indicated that they would
- // find it useful to have the full size image in the rendered
- // image format.
- $thumbSizes[] = array( $width_orig, $height_orig );
- } else {
- # Creating thumb links triggers thumbnail generation.
- # Just generate the thumb for the current users prefs.
- $thumbSizes = array( $this->getImageLimitsFromOption( $user, 'thumbsize' ) );
- if ( !$this->displayImg->mustRender() ) {
- // We can safely include a link to the "full-size" preview,
- // without actually rendering.
- $thumbSizes[] = array( $width_orig, $height_orig );
- }
- }
+
+ $thumbSizes = $this->getThumbSizes( $width, $height, $width_orig, $height_orig );
# Generate thumbnails or thumbnail links as needed...
$otherSizes = array();
foreach ( $thumbSizes as $size ) {
// the current thumbnail's size ($width/$height)
// since that is added to the message separately, so
// it can be denoted as the current size being shown.
- if ( $size[0] <= $width_orig && $size[1] <= $height_orig
+ // Vectorized images are "infinitely" big, so all thumb
+ // sizes are shown.
+ if ( ( ($size[0] <= $width_orig && $size[1] <= $height_orig)
+ || $this->displayImg->isVectorized() )
&& $size[0] != $width && $size[1] != $height
) {
$sizeLink = $this->makeSizeLink( $params, $size[0], $size[1] );
}
}
$otherSizes = array_unique( $otherSizes );
+
$msgsmall = '';
$sizeLinkBigImagePreview = $this->makeSizeLink( $params, $width, $height );
if ( $sizeLinkBigImagePreview ) {
# Some sort of audio file that doesn't have dimensions
# Don't output a no hi res message for such a file
$msgsmall = '';
- } elseif ( $this->displayImg->isVectorized() ) {
- # For vectorized images, full size is just the frame size
- $msgsmall = '';
} else {
# Image is small enough to show full size on image page
$msgsmall = wfMessage( 'file-nohires' )->parse();
);
return $langSelectLine;
}
+
+ /**
+ * Get the width and height to display image at.
+ *
+ * @note This method assumes that it is only called if one
+ * of the dimensions are bigger than the max, or if the
+ * image is vectorized.
+ *
+ * @param $maxWidth integer Max width to display at
+ * @param $maxHeight integer Max height to display at
+ * @param $width integer Actual width of the image
+ * @param $height integer Actual height of the image
+ * @throws MWException
+ * @return Array (width, height)
+ */
+ protected function getDisplayWidthHeight( $maxWidth, $maxHeight, $width, $height ) {
+ if ( !$maxWidth || !$maxHeight ) {
+ // should never happen
+ throw new MWException( 'Using a choice from $wgImageLimits that is 0x0' );
+ }
+
+ if ( !$width || !$height ) {
+ return array( 0, 0 );
+ }
+
+ # Calculate the thumbnail size.
+ if ( $width <= $maxWidth && $height <= $maxHeight ) {
+ // Vectorized image, do nothing.
+ } elseif ( $width / $height >= $maxWidth / $maxHeight ) {
+ # The limiting factor is the width, not the height.
+ $height = round( $height * $maxWidth / $width );
+ $width = $maxWidth;
+ # Note that $height <= $maxHeight now.
+ } else {
+ $newwidth = floor( $width * $maxHeight / $height );
+ $height = round( $height * $newwidth / $width );
+ $width = $newwidth;
+ # Note that $height <= $maxHeight now, but might not be identical
+ # because of rounding.
+ }
+ return array( $width, $height );
+ }
+
+ /**
+ * Get alternative thumbnail sizes.
+ *
+ * @note This will only list several alternatives if thumbnails are rendered on 404
+ * @param $origWidth Actual width of image
+ * @param $origHeight Actual height of image
+ * @return Array An array of [width, height] pairs.
+ */
+ protected function getThumbSizes( $origWidth, $origHeight ) {
+ global $wgImageLimits;
+ if ( $this->displayImg->getRepo()->canTransformVia404() ) {
+ $thumbSizes = $wgImageLimits;
+ // Also include the full sized resolution in the list, so
+ // that users know they can get it. This will link to the
+ // original file asset if mustRender() === false. In the case
+ // that we mustRender, some users have indicated that they would
+ // find it useful to have the full size image in the rendered
+ // image format.
+ $thumbSizes[] = array( $origWidth, $origHeight );
+ } else {
+ # Creating thumb links triggers thumbnail generation.
+ # Just generate the thumb for the current users prefs.
+ $thumbSizes = array( $this->getImageLimitsFromOption( $this->getContext()->getUser(), 'thumbsize' ) );
+ if ( !$this->displayImg->mustRender() ) {
+ // We can safely include a link to the "full-size" preview,
+ // without actually rendering.
+ $thumbSizes[] = array( $origWidth, $origHeight );
+ }
+ }
+ return $thumbSizes;
+ }
+
}
/**
dépôts / lhc / web / wiklou.git / blobdiff