/**
* Calculates the cropping rectangle and the scaled size for an input image size.
*
* @param int[] $in_size - two element array of input dimensions (width, height)
* @param string $coi - four character encoded string containing the center of interest (unused if max_crop=0)
* @param ImageRect &$crop_rect - ImageRect containing the cropping rectangle or null if cropping is not required
* @param int[] &$scale_size - two element array containing width and height of the scaled image
*/
function compute($in_size, $coi, &$crop_rect, &$scale_size)
{
$destCrop = new ImageRect($in_size);
if ($this->max_crop > 0) {
$ratio_w = $destCrop->width() / $this->ideal_size[0];
$ratio_h = $destCrop->height() / $this->ideal_size[1];
if ($ratio_w > 1 || $ratio_h > 1) {
if ($ratio_w > $ratio_h) {
$h = $destCrop->height() / $ratio_w;
if ($h < $this->min_size[1]) {
$idealCropPx = $destCrop->width() - floor($destCrop->height() * $this->ideal_size[0] / $this->min_size[1]);
$maxCropPx = round($this->max_crop * $destCrop->width());
$destCrop->crop_h(min($idealCropPx, $maxCropPx), $coi);
}
} else {
$w = $destCrop->width() / $ratio_h;
if ($w < $this->min_size[0]) {
$idealCropPx = $destCrop->height() - floor($destCrop->width() * $this->ideal_size[1] / $this->min_size[0]);
$maxCropPx = round($this->max_crop * $destCrop->height());
$destCrop->crop_v(min($idealCropPx, $maxCropPx), $coi);
}
}
}
}
$scale_size = array($destCrop->width(), $destCrop->height());
$ratio_w = $destCrop->width() / $this->ideal_size[0];
$ratio_h = $destCrop->height() / $this->ideal_size[1];
if ($ratio_w > 1 || $ratio_h > 1) {
if ($ratio_w > $ratio_h) {
$scale_size[0] = $this->ideal_size[0];
$scale_size[1] = floor(1.0E-6 + $scale_size[1] / $ratio_w);
} else {
$scale_size[0] = floor(1.0E-6 + $scale_size[0] / $ratio_h);
$scale_size[1] = $this->ideal_size[1];
}
} else {
$scale_size = null;
}
$crop_rect = null;
if ($destCrop->width() != $in_size[0] || $destCrop->height() != $in_size[1]) {
$crop_rect = $destCrop;
}
}
function modus_index_category_thumbnails($items)
{
global $page, $template, $conf;
if ('categories' != $page['section'] || !($wh = @$conf['modus_theme']['album_thumb_size'])) {
return $items;
}
$template->assign('album_thumb_size', $wh);
$def_params = ImageStdParams::get_custom($wh, $wh, 1, $wh, $wh);
foreach (ImageStdParams::get_defined_type_map() as $params) {
if ($params->max_height() == $wh) {
$alt_params = $params;
}
}
foreach ($items as &$item) {
$src_image = $item['representative']['src_image'];
$src_size = $src_image->get_size();
$deriv = null;
if (isset($alt_params) && $src_size[0] >= $src_size[1]) {
$dsize = $alt_params->compute_final_size($src_size);
if ($dsize[0] >= $wh && $dsize[1] >= $wh) {
$deriv = new DerivativeImage($alt_params, $src_image);
$rect = new ImageRect($dsize);
$rect->crop_h($dsize[0] - $wh, $item['representative']['coi']);
$rect->crop_v($dsize[1] - $wh, $item['representative']['coi']);
$l = -$rect->l;
$t = -$rect->t;
}
}
if (!isset($deriv)) {
$deriv = new DerivativeImage($def_params, $src_image);
$dsize = $deriv->get_size();
$l = intval($wh - $dsize[0]) / 2;
$t = intval($wh - $dsize[1]) / 2;
}
$item['modus_deriv'] = $deriv;
if (!empty($item['icon_ts'])) {
$item['icon_ts']['TITLE'] = time_since($item['max_date_last'], 'month');
}
$styles = array();
if ($l < -1 || $l > 1) {
$styles[] = 'left:' . 100 * $l / $wh . '%';
}
if ($t < -1 || $t > 1) {
$styles[] = 'top:' . $t . 'px';
}
if (count($styles)) {
$styles = ' style=' . implode(';', $styles);
} else {
$styles = '';
}
$item['MODUS_STYLE'] = $styles;
}
return $items;
}
