/**
* Resizes image
* @param string $src path to image
* @param array $params resize parameters
* @return array content and format
*/
public static function resize($src, $params)
{
$img_functions = self::supportedFormats();
$ext = $params['ext'];
$new_width = $params['new_width'];
$new_height = $params['new_height'];
$dst_width = $params['dst_width'];
$dst_height = $params['dst_height'];
$width = $params['width'];
$height = $params['height'];
$bg_color = $params['bg_color'];
$convert_to = $params['convert_to'];
$jpeg_quality = $params['jpeg_quality'];
$x = $params['x'];
$y = $params['y'];
$dst = imagecreatetruecolor($dst_width, $dst_height);
if (function_exists('imageantialias')) {
imageantialias($dst, true);
}
if ($ext == 'gif') {
$new = imagecreatefromgif($src);
} elseif ($ext == 'jpg') {
$new = imagecreatefromjpeg($src);
} elseif ($ext == 'png') {
$new = imagecreatefrompng($src);
}
list($r, $g, $b) = empty($bg_color) ? fn_parse_rgb('#ffffff') : fn_parse_rgb($bg_color);
$c = imagecolorallocate($dst, $r, $g, $b);
if (empty($bg_color) && ($ext == 'png' || $ext == 'gif')) {
if (function_exists('imagecolorallocatealpha') && function_exists('imagecolortransparent') && function_exists('imagesavealpha') && function_exists('imagealphablending')) {
$c = imagecolorallocatealpha($dst, 255, 255, 255, 127);
imagecolortransparent($dst, $c);
imagesavealpha($dst, true);
imagealphablending($dst, false);
}
}
imagefilledrectangle($dst, 0, 0, $dst_width, $dst_height, $c);
imagecopyresampled($dst, $new, $x, $y, 0, 0, $new_width, $new_height, $width, $height);
// Free memory from image
imagedestroy($new);
if ($convert_to == 'original') {
$convert_to = $ext;
} elseif (!empty($img_functions[$convert_to])) {
$convert_to = $convert_to;
} else {
$convert_to = key($img_functions);
}
ob_start();
if ($convert_to == 'gif') {
imagegif($dst);
} elseif ($convert_to == 'jpg') {
imagejpeg($dst, null, $jpeg_quality);
} elseif ($convert_to == 'png') {
imagepng($dst);
}
$content = ob_get_clean();
imagedestroy($dst);
return array($content, $convert_to);
}
function fn_resize_image($src, $dest, $new_width = 0, $new_height = 0, $make_box = false, $bg_color = '#ffffff')
{
static $notification_set = false;
static $gd_settings = array();
if (file_exists($src) && !empty($dest) && (!empty($new_width) || !empty($new_height)) && extension_loaded('gd')) {
$img_functions = array('png' => function_exists('imagepng'), 'jpg' => function_exists('imagejpeg'), 'gif' => function_exists('imagegif'));
if (empty($gd_settings)) {
$gd_settings = fn_get_settings('Thumbnails');
}
$dst_width = $new_width;
$dst_height = $new_height;
list($width, $height, $mime_type) = fn_get_image_size($src);
if (empty($width) || empty($height)) {
return false;
}
if ($width < $new_width) {
$new_width = $width;
}
if ($height < $new_height) {
$new_height = $height;
}
if ($dst_height == 0) {
// if we passed width only, calculate height
$new_height = $dst_height = $height / $width * $new_width;
} elseif ($dst_width == 0) {
// if we passed height only, calculate width
$new_width = $dst_width = $width / $height * $new_height;
} else {
// we passed width and height, limit image by height! (hm... not sure we need it anymore?)
if ($new_width * $height / $width > $dst_height) {
$new_width = $width * $dst_height / $height;
}
$new_height = $height / $width * $new_width;
if ($new_height * $width / $height > $dst_width) {
$new_height = $height * $dst_width / $width;
}
$new_width = $width / $height * $new_height;
}
$w = number_format($new_width, 0, ',', '');
$h = number_format($new_height, 0, ',', '');
$ext = fn_get_image_extension($mime_type);
if (!empty($img_functions[$ext])) {
if ($make_box) {
$dst = imagecreatetruecolor($dst_width, $dst_height);
} else {
$dst = imagecreatetruecolor($w, $h);
}
if (function_exists('imageantialias')) {
imageantialias($dst, true);
}
} elseif ($notification_set == false) {
$msg = fn_get_lang_var('error_image_format_not_supported');
$msg = str_replace('[format]', $ext, $msg);
fn_set_notification('E', fn_get_lang_var('error'), $msg);
$notification_set = true;
return false;
}
if ($ext == 'gif' && $img_functions[$ext] == true) {
$new = imagecreatefromgif($src);
} elseif ($ext == 'jpg' && $img_functions[$ext] == true) {
$new = imagecreatefromjpeg($src);
} elseif ($ext == 'png' && $img_functions[$ext] == true) {
$new = imagecreatefrompng($src);
} else {
return false;
}
// Set transparent color to white
// Not sure that this is right, but it works
// FIXME!!!
// $c = imagecolortransparent($new);
list($r, $g, $b) = fn_parse_rgb($bg_color);
$c = imagecolorallocate($dst, $r, $g, $b);
//imagecolortransparent($dst, $c);
if ($make_box) {
imagefilledrectangle($dst, 0, 0, $dst_width, $dst_height, $c);
$x = number_format(($dst_width - $w) / 2, 0, ',', '');
$y = number_format(($dst_height - $h) / 2, 0, ',', '');
} else {
imagefilledrectangle($dst, 0, 0, $w, $h, $c);
$x = 0;
$y = 0;
}
imagecopyresampled($dst, $new, $x, $y, 0, 0, $w, $h, $width, $height);
if ($gd_settings['convert_to'] == 'original') {
$gd_settings['convert_to'] = $ext;
}
if (empty($img_functions[$gd_settings['convert_to']])) {
foreach ($img_functions as $k => $v) {
if ($v == true) {
$gd_settings['convert_to'] = $k;
break;
}
}
}
switch ($gd_settings['convert_to']) {
case 'gif':
imagegif($dst, $dest);
break;
case 'jpg':
imagejpeg($dst, $dest, $gd_settings['jpeg_quality']);
break;
case 'png':
imagepng($dst, $dest);
break;
}
@chmod($dest, DEFAULT_FILE_PERMISSIONS);
return true;
}
return false;
}
function fn_resize_image($src, $new_width = 0, $new_height = 0, $bg_color = '#ffffff')
{
static $notification_set = false;
static $gd_settings = array();
if (file_exists($src) && (!empty($new_width) || !empty($new_height)) && extension_loaded('gd')) {
$img_functions = array('png' => function_exists('imagepng'), 'jpg' => function_exists('imagejpeg'), 'gif' => function_exists('imagegif'));
if (empty($gd_settings)) {
$gd_settings = Settings::instance()->getValues('Thumbnails');
}
list($width, $height, $mime_type) = fn_get_image_size($src);
if (empty($width) || empty($height)) {
return false;
}
$ext = fn_get_image_extension($mime_type);
if (empty($img_functions[$ext])) {
if ($notification_set == false) {
fn_set_notification('E', __('error'), __('error_image_format_not_supported', array('[format]' => $ext)));
$notification_set = true;
}
return false;
}
if (empty($new_width) || empty($new_height)) {
if ($width < $new_width) {
$new_width = $width;
}
if ($height < $new_height) {
$new_height = $height;
}
}
$dst_width = $new_width;
$dst_height = $new_height;
if (empty($new_height)) {
// if we passed width only, calculate height
$dst_height = $new_height = $height / $width * $new_width;
} elseif (empty($new_width)) {
// if we passed height only, calculate width
$dst_width = $new_width = $width / $height * $new_height;
} else {
// we passed width and height, we need to fit image in this sizes
if ($new_width * $height / $width > $dst_height) {
$new_width = $width * $dst_height / $height;
}
$new_height = $height / $width * $new_width;
if ($new_height * $width / $height > $dst_width) {
$new_height = $height * $dst_width / $width;
}
$new_width = $width / $height * $new_height;
$make_box = true;
}
$new_width = intval($new_width);
$new_height = intval($new_height);
$dst = imagecreatetruecolor($dst_width, $dst_height);
if (function_exists('imageantialias')) {
imageantialias($dst, true);
}
if ($ext == 'gif') {
$new = imagecreatefromgif($src);
} elseif ($ext == 'jpg') {
$new = imagecreatefromjpeg($src);
} elseif ($ext == 'png') {
$new = imagecreatefrompng($src);
}
list($r, $g, $b) = empty($bg_color) ? fn_parse_rgb('#ffffff') : fn_parse_rgb($bg_color);
$c = imagecolorallocate($dst, $r, $g, $b);
if (empty($bg_color) && ($ext == 'png' || $ext == 'gif')) {
if (function_exists('imagecolorallocatealpha') && function_exists('imagecolortransparent') && function_exists('imagesavealpha') && function_exists('imagealphablending')) {
$c = imagecolorallocatealpha($dst, 255, 255, 255, 127);
imagecolortransparent($dst, $c);
imagesavealpha($dst, true);
imagealphablending($dst, false);
}
}
imagefilledrectangle($dst, 0, 0, $dst_width, $dst_height, $c);
if (!empty($make_box)) {
$x = intval(($dst_width - $new_width) / 2);
$y = intval(($dst_height - $new_height) / 2);
} else {
$x = 0;
$y = 0;
}
imagecopyresampled($dst, $new, $x, $y, 0, 0, $new_width, $new_height, $width, $height);
// Free memory from image
imagedestroy($new);
if ($gd_settings['convert_to'] == 'original') {
$convert_to = $ext;
} elseif (!empty($img_functions[$gd_settings['convert_to']])) {
$convert_to = $gd_settings['convert_to'];
} else {
$convert_to = key($img_functions);
}
ob_start();
if ($convert_to == 'gif') {
imagegif($dst);
} elseif ($convert_to == 'jpg') {
imagejpeg($dst, null, $gd_settings['jpeg_quality']);
} elseif ($convert_to == 'png') {
imagepng($dst);
}
$content = ob_get_clean();
return array($content, $convert_to);
}
return false;
}
