/**
* Create image based on $path
*
* @param string $webroot
* @param string $path
*
* @throws \Exception
*/
public static function create($webroot, $path)
{
// show blank image
if ($path == self::BLANK_IMAGE_NAME) {
self::showBlankImage();
}
// get params from path
$params = self::parsePath($path);
if (!is_array($params)) {
self::showBlankImage();
}
$dir_name = $params['dir_name'];
$width = $params['width'];
$height = $params['height'];
$method = $params['method'];
$quality = $params['quality'];
$bg_color = $params['bg_color'];
$silhouette = $params['silhouette'];
$disable_alpha = $params['disable_alpha'];
$place_upper = $params['place_upper'];
$no_top_offset = $params['no_top_offset'];
$no_bottom_offset = $params['no_bottom_offset'];
$disable_copy = $params['disable_copy'];
$skip_small = $params['skip_small'];
$image_url = $params['image_url'];
// wrong params
if (empty($image_url) || $width < self::$minSize || $height < self::$minSize || $width > self::$maxSize || $height > self::$maxSize || !in_array($method, self::$methods)) {
self::showBlankImage();
}
// clean url
$image_url = ImageHelper::cleanImageUrl($image_url);
if (empty($image_url)) {
self::showBlankImage();
}
// if image already exists
$dest_path = $webroot . self::$resizedBaseDir . '/' . $dir_name . '/' . $image_url;
if (is_file($dest_path)) {
self::showImage($dest_path);
}
// original image abs path
$orig_path = $webroot . '/' . $image_url;
// create paths for missing image
if (!is_file($orig_path)) {
if ($silhouette) {
if (self::$defaultSilhouettePath !== null && is_file(self::$defaultSilhouettePath)) {
$image_name = basename(self::$defaultSilhouettePath);
$orig_path = self::$defaultSilhouettePath;
$dest_path = $webroot . self::$resizedBaseDir . '/' . $dir_name . '/custom-' . $image_name;
} else {
$image_name = self::DEFAULT_SILHOUETTE_NAME;
$orig_path = __DIR__ . '/images/' . $image_name;
$dest_path = $webroot . self::$resizedBaseDir . '/' . $dir_name . '/' . $image_name;
}
} else {
if (self::$defaultImagePath !== null && is_file(self::$defaultImagePath)) {
$image_name = basename(self::$defaultImagePath);
$orig_path = self::$defaultImagePath;
$dest_path = $webroot . self::$resizedBaseDir . '/' . $dir_name . '/custom-' . $image_name;
} else {
$image_name = self::DEFAULT_IMAGE_NAME;
$orig_path = __DIR__ . '/images/' . $image_name;
$dest_path = $webroot . self::$resizedBaseDir . '/' . $dir_name . '/' . $image_name;
}
}
// already exists - with php each time
if (is_file($dest_path)) {
self::showImage($dest_path);
}
}
// can't find default image
if (!is_file($orig_path)) {
self::showBlankImage();
}
// check sizes
$size = getimagesize($orig_path);
if (!$size) {
self::showBlankImage();
}
$w = $size[0];
$h = $size[1];
if ($w == 0 || $h == 0 || empty($size['mime']) || !in_array($size['mime'], self::$mimeTypes)) {
self::showBlankImage();
}
$mime_type = $size['mime'];
// create dir
$dir_path = dirname($dest_path);
if (!is_dir($dir_path)) {
if (!@mkdir($dir_path, 0775, true)) {
self::showBlankImage();
}
}
$rotate = 0;
// try to read exif orientation
if (function_exists('exif_read_data') && $mime_type == 'image/jpeg') {
$exif = exif_read_data($orig_path);
if (!empty($exif['Orientation'])) {
switch ($exif['Orientation']) {
case 3:
$rotate = 180;
break;
case 6:
$rotate = -90;
break;
case 8:
$rotate = 90;
break;
}
}
}
// switch width & height
if ($rotate == 90 || $rotate == -90) {
$old_w = $w;
$w = $h;
$h = $old_w;
}
if (!$disable_copy) {
// copy with identical sizes
if ($method == 'fitw' && $width == $w || $method == 'fith' && $height == $h || $method != 'fitw' && $method != 'fith' && $width == $w && $height == $h) {
copy($orig_path, $dest_path);
if (is_file($dest_path)) {
self::showImage($dest_path);
}
}
// copy smaller
if ($skip_small) {
if ($method == 'fitw' && $width >= $w || $method == 'fith' && $height >= $h || $method != 'fitw' && $method != 'fith' && $width >= $w && $height >= $h) {
copy($orig_path, $dest_path);
if (is_file($dest_path)) {
self::showImage($dest_path);
}
}
}
}
if ($mime_type == 'image/gif') {
$im = imagecreatefromgif($orig_path);
} elseif ($mime_type == 'image/png') {
$im = imagecreatefrompng($orig_path);
} elseif ($mime_type == 'image/jpeg') {
$im = imagecreatefromjpeg($orig_path);
} else {
$im = false;
}
if ($im === false) {
self::showBlankImage();
}
// rotate original
if ($rotate != 0) {
$im = imagerotate($im, $rotate, 0);
}
$dst_x = 0;
$dst_y = 0;
$x = 0;
$y = 0;
if ($method == 'crop') {
$ratio = max($width / $w, $height / $h);
$new_w = round($w * $ratio);
$new_h = round($h * $ratio);
$x = round(($w - $width / $ratio) / 2);
if ($no_top_offset) {
$y = 0;
} elseif ($no_bottom_offset) {
$y = floor($h - $height / $ratio);
} else {
$y = round(($h - $height / $ratio) / 2);
}
// place upper
if ($y > 0 && $place_upper) {
$y = round($y / 3 * 2);
}
} elseif ($method == 'fitw') {
$new_w = $width;
$new_h = $new_w / $w * $h;
$width = $new_w;
$height = $new_h;
} elseif ($method == 'fith') {
$new_h = $height;
$new_w = $new_h * $w / $h;
$width = $new_w;
$height = $new_h;
} elseif ($method == 'place') {
$ratio = min($width / $w, $height / $h);
$new_w = round($w * $ratio);
$new_h = round($h * $ratio);
$dst_x = round(($width - $new_w) / 2);
$dst_y = round(($height - $new_h) / 2);
} else {
$ratio = min($width / $w, $height / $h);
$new_w = round($w * $ratio);
$new_h = round($h * $ratio);
$width = $new_w;
$height = $new_h;
}
// copying
$rgb = ImageHelper::hex2rgb($bg_color);
$new_im = imagecreatetruecolor($width, $height);
if (!$disable_alpha && $mime_type == 'image/png') {
imagealphablending($new_im, false);
imagesavealpha($new_im, true);
$color = imagecolorallocatealpha($new_im, $rgb['r'], $rgb['g'], $rgb['b'], 127);
imagefilledrectangle($new_im, 0, 0, $width, $height, $color);
} else {
$color = imagecolorallocate($new_im, $rgb['r'], $rgb['g'], $rgb['b']);
imagefill($new_im, 0, 0, $color);
}
imagecopyresampled($new_im, $im, $dst_x, $dst_y, $x, $y, $new_w, $new_h, $w, $h);
// saving
if ($mime_type == 'image/png') {
imagepng($new_im, $dest_path, 9);
} elseif ($mime_type == 'image/gif') {
imagegif($new_im, $dest_path);
} else {
if (self::$enableProgressiveJpeg) {
imageinterlace($new_im, 1);
}
imagejpeg($new_im, $dest_path, $quality);
}
imagedestroy($im);
imagedestroy($new_im);
if (is_file($dest_path)) {
self::showImage($dest_path, $mime_type);
} else {
self::showBlankImage();
}
}
