/**
* Resize image to speciffic dimetions.
*
* Magick - do not touch!
*
* Evaluate new width and height.
* $img - image meta array ($img[0] - image url, $img[1] - width, $img[2] - height).
* $opts - options array, supports w, h, zc, a, q.
*
* @param array $img
* @param
* @return array
*/
function dt_get_resized_img( $img, $opts ) {
$opts = apply_filters( 'dt_get_resized_img-options', $opts, $img );
if ( !is_array( $img ) || !$img || (!$img[1] && !$img[2]) ) {
return false;
}
if ( !is_array( $opts ) || !$opts ) {
if ( !isset( $img[3] ) ) {
$img[3] = image_hwstring( $img[1], $img[2] );
}
return $img;
}
if ( !isset($opts['hd_convert']) ) {
$opts['hd_convert'] = true;
}
$defaults = array( 'w' => 0, 'h' => 0 , 'zc' => 1, 'z' => 1 );
$opts = wp_parse_args( $opts, $defaults );
$w = absint( $opts['w'] );
$h = absint( $opts['h'] );
// If zoomcropping off and image smaller then required square
if ( 0 == $opts['zc'] && ( $img[1] <= $w && $img[2] <= $h ) ) {
return array( $img[0], $img[1], $img[2], image_hwstring( $img[1], $img[2] ) );
} elseif ( 3 == $opts['zc'] || empty ( $w ) || empty ( $h ) ) {
if ( 0 == $opts['z'] ) {
dt_constrain_dim( $img[1], $img[2], $w, $h, true );
} else {
$p = absint( $img[1] ) / absint( $img[2] );
$hx = absint( floor( $w / $p ) );
$wx = absint( floor( $h * $p ) );
if ( empty( $w ) ) {
$w = $wx;
} else if ( empty( $h ) ) {
$h = $hx;
} else {
if ( $hx < $h && $wx >= $w ) {
$h = $hx;
} elseif ( $wx < $w && $hx >= $h ) {
$w = $wx;
}
}
}
if ( $img[1] == $w && $img[2] == $h ) {
return array( $img[0], $img[1], $img[2], image_hwstring( $img[1], $img[2] ) );
}
}
$img_h = $h;
$img_w = $w;
if ( $opts['hd_convert'] && dt_retina_on() && dt_is_hd_device() ) {
$img_h *= 2;
$img_w *= 2;
}
if ( 1 == $opts['zc'] ) {
if ( $img[1] >= $img_w && $img[2] >= $img_h ) {
// do nothing
} else if ( $img[1] <= $img[2] && $img_w >= $img_h ) { // img=portrait; c=landscape
$cw_new = $img[1];
$k = $cw_new/$img_w;
$ch_new = $k * $img_h;
} else if ( $img[1] >= $img[2] && $img_w <= $img_h ) { // img=landscape; c=portrait
$ch_new = $img[2];
$k = $ch_new/$img_h;
$cw_new = $k * $img_w;
} else {
$kh = $img_h/$img[2];
$kw = $img_w/$img[1];
$kres = max( $kh, $kw );
$ch_new = $img_h/$kres;
$cw_new = $img_w/$kres;
}
if ( isset($ch_new, $cw_new) ) {
$img_h = absint(floor($ch_new));
$img_w = absint(floor($cw_new));
}
}
$file_url = aq_resize( $img[0], $img_w, $img_h, true, true, false );
if ( !$file_url ) {
$file_url = $img[0];
}
return array(
$file_url,
$w,
$h,
image_hwstring( $w, $h )
);
}
/**
* add timthumb with args to img url
* evaluate new width and height
* $img - image meta array ($img[0] - image url, $img[1] - width, $img[2] - height)
* $opts - options array, supports w, h, zc, a, q (see timthumb documentation)
* @params: $img = array(), $opts = array()
* return: array
*/
function dt_get_resized_img($img, $opts = array())
{
if (!is_array($img)) {
$img[0] = get_template_directory_uri() . '/images/noimage.jpg';
$img[1] = $img[2] = 1000;
$img[3] = image_hwstring($img[1], $img[2]);
}
if (empty($opts) || !is_array($opts)) {
return $img;
}
$defaults = array('w' => 0, 'h' => 0, 'zc' => 1, 'force_zc' => 0);
$opts = wp_parse_args($opts, $defaults);
$w = $opts['w'];
$h = $opts['h'];
if ($img[1] > $w && $img[2] > $h) {
if (3 == $opts['zc'] || empty($w) || empty($h)) {
dt_constrain_dim($img[1], $img[2], $w, $h, true);
}
} elseif (empty($w) || empty($h)) {
$prop = $img[1] / $img[2];
if (empty($w)) {
$w = $h * $prop;
} else {
$h = $w / $prop;
}
} elseif (!$opts['zc'] && !$opts['force_zc']) {
return array($img[0], $img[1], $img[2], image_hwstring($img[1], $img[2]));
}
$args['src'] = dt_clean_thumb_url($img[0]);
if (isset($opts['zc'])) {
$args['zc'] = $opts['zc'];
}
if (!empty($opts['w'])) {
$args['w'] = $opts['w'];
}
if (!empty($opts['h'])) {
$args['h'] = $opts['h'];
}
if (isset($opts['a'])) {
$args['a'] = $opts['a'];
}
if (isset($opts['q'])) {
$args['q'] = $opts['q'];
}
if (isset($opts['r_src']) && !empty($opts['r_src'])) {
$args['r_src'] = dt_clean_thumb_url($opts['r_src']);
}
return array(esc_url(add_query_arg($args, get_template_directory_uri() . '/timthumb.php')), $w, $h, image_hwstring($w, $h));
}
