diff options
Diffstat (limited to 'application/models/mfile.php')
-rw-r--r-- | application/models/mfile.php | 109 |
1 files changed, 0 insertions, 109 deletions
diff --git a/application/models/mfile.php b/application/models/mfile.php index 8dc4772d9..be315b9e6 100644 --- a/application/models/mfile.php +++ b/application/models/mfile.php @@ -101,115 +101,6 @@ class Mfile extends CI_Model { return $mimetype; } - public function image_dimension($file) - { - list($width, $height) = getimagesize($file); - - return "${width}x${height}"; - } - - /* - * This returns a square thumbnail for the input image - * Source: http://salman-w.blogspot.co.at/2009/04/crop-to-fit-image-using-aspphp.html - */ - public function makeThumb($id, $size = 150, $target_type = null) - { - $filedata = $this->get_filedata($id); - if (!$filedata) { - return false; - } - - $source_path = $this->file($filedata["hash"]); - - $source_gdim = imagecreatefromstring(file_get_contents($source_path)); - if ($source_gdim === false) { - show_error("Unsupported image type"); - } - imagealphablending($source_gdim,false); - imagesavealpha($source_gdim,true); - - list($source_width, $source_height, $source_type) = getimagesize($source_path); - - if ($target_type === null) { - $target_type = $source_type; - } - - $target_width = $size; - $target_height = $size; - - $source_aspect_ratio = $source_width / $source_height; - $desired_aspect_ratio = $target_width / $target_height; - - if ($source_aspect_ratio > $desired_aspect_ratio) { - // Triggered when source image is wider - $temp_height = $target_height; - $temp_width = round(($target_height * $source_aspect_ratio)); - } else { - // Triggered otherwise (i.e. source image is similar or taller) - $temp_width = $target_width; - $temp_height = round(($target_width / $source_aspect_ratio)); - } - - /* - * Resize the image into a temporary GD image - */ - - $temp_gdim = imagecreatetruecolor($temp_width, $temp_height); - imagealphablending($temp_gdim,false); - imagesavealpha($temp_gdim,true); - imagecopyresampled( - $temp_gdim, - $source_gdim, - 0, 0, - 0, 0, - $temp_width, $temp_height, - $source_width, $source_height - ); - - /* - * Copy cropped region from temporary image into the desired GD image - */ - - $x0 = ($temp_width - $target_width) / 2; - $y0 = ($temp_height - $target_height) / 2; - $thumb = imagecreatetruecolor($target_width, $target_height); - imagealphablending($thumb,false); - imagesavealpha($thumb,true); - imagecopy( - $thumb, - $temp_gdim, - 0, 0, - $x0, $y0, - $target_width, $target_height - ); - - ob_start(); - switch ($target_type) { - case IMAGETYPE_GIF: - $ret = imagegif($thumb); - break; - case IMAGETYPE_JPEG: - $ret = imagejpeg($thumb); - break; - case IMAGETYPE_PNG: - $ret = imagepng($thumb); - break; - default: - assert(0); - } - $result = ob_get_clean(); - - if (!$ret) { - show_error("Failed to create thumbnail"); - } - - imagedestroy($thumb); - imagedestroy($temp_gdim); - imagedestroy($source_gdim); - - return $result; - } - // Add a hash to the DB function add_file($hash, $id, $filename) { |