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Add Image, Upload, UploadHelper.

master
Alexander Demidov 10 years ago
parent
commit
da77be4fdd
  1. 98
      Image.class.php
  2. 57
      Upload.class.php
  3. 25
      UploadHelper.class.php

98
Image.class.php

@ -0,0 +1,98 @@
<?php
class Image
{
public $width;
public $height;
public $type;
public $size;
public $filename;
public $original_filename;
public $path;
public $variants = array();
private $_is_empty = true;
const SIZE_100_80 = '100x80';
const SIZE_200_160 = '200x160';
const SIZE_300_240 = '300x240';
const SIZE_550_440 = '550x440';
const SIZE_SKI = '1000x';
public static $sizes = array(
self::SIZE_100_80,
self::SIZE_200_160,
self::SIZE_300_240,
self::SIZE_550_440
);
/**
* @param array|string $data
* @return Image
* @throws ErrorException
*/
public static function getInstance($data)
{
$instance = new self($data);
if (is_null($data)) {
throw new ErrorException('Empty data for Image::getInstance().');
}
if (!is_array($data)) {
$data = json_decode($data, true);
if (json_last_error() != JSON_ERROR_NONE) {
throw new ErrorException('Unable to convert json-string to array.');
}
}
foreach ($data as $attribute_name => $attribute_value) {
if (property_exists(__CLASS__, $attribute_name)) {
$instance->{$attribute_name} = $attribute_value;
}
}
$instance->_is_empty = false;
return $instance;
}
/**
* @return string
*/
public function getWebName()
{
return $this->path . '/' . $this->filename;
}
/**
* @param $size string
* @return Image
*/
public function getVariant($size)
{
if (!array_key_exists($size, $this->variants)) {
$this->variants[$size] = new Image;
} else {
if (!is_object($this->variants[$size])) {
$this->variants[$size] = self::getInstance($this->variants[$size]);
}
}
return $this->variants[$size];
}
public function getIsEmpty()
{
return (bool) $this->_is_empty;
}
public function setIsNotEmpty()
{
$this->_is_empty = false;
}
public function __toString()
{
$data = array();
foreach ($this as $attribute_name => $attribute_value) {
$data[$attribute_name] = $attribute_value;
}
return json_encode($data);
}
}

57
Upload.class.php

@ -0,0 +1,57 @@
<?php
abstract class Upload
{
/**
* @param $file array (ex. ['tmp_name' => '...', 'name' => '...', 'type' => '...'])
* @return Image
*/
public static function image($file)
{
require_once PATH . '/lib/GreagwarImage/GreagwarImage.php';
$greagwar_image = new GreagwarImage($file['tmp_name']);
$greagwar_image->setCacheDir('media/cache/images');
$image = new Image;
$image->original_filename = $file['name'];
$image->type = $file['type'];
self::saveImage($image, $greagwar_image);
foreach (Image::$sizes as $size) {
$size_parts = explode('x', $size);
self::saveImage($image->getVariant($size), $greagwar_image, $size_parts[0] ? : null, $size_parts[1] ? : null);
}
return $image;
}
/**
* @param $image Image
* @param $greagwar_image GreagwarImage
* @param null $width
* @param null $height
* @param bool $crop
*/
protected static function saveImage($image, $greagwar_image, $width = null, $height = null, $crop = true)
{
if ($width || $height) {
$greagwar_image->resize($width, $height, 0xffffff, false, false, $crop);
}
$file_path = $greagwar_image->cacheFile($greagwar_image->guessType(), 87, true);
$path_parts = pathinfo($file_path);
$image->path = $path_parts['dirname'];
$image->filename = $path_parts['basename'];
$image->size = filesize($image->path . '/' . $image->filename);
$image->width = $greagwar_image->width();
$image->height = $greagwar_image->height();
$image->setIsNotEmpty();
}
public static function imageCompareAspectRatio($proportion, $file_path)
{
$imagesize = getimagesize($file_path);
$proprtion_parts = explode('x', $proportion);
if ($proprtion_parts[0] / $proprtion_parts[1] === $imagesize[0] / $imagesize[1]) {
return true;
} else {
false;
}
}
}

25
UploadHelper.class.php

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<?php
abstract class UploadHelper
{
public static function imageCompareAspectRatio($proportion, $file_path)
{
$imagesize = getimagesize($file_path);
$proprtion_parts = explode('x', $proportion);
if ($proprtion_parts[0] / $proprtion_parts[1] === $imagesize[0] / $imagesize[1]) {
return true;
} else {
false;
}
}
public static function imageCheckMinSize($size, $file_path)
{
$imagesize = getimagesize($file_path);
$size_parts = explode('x', $size);
if ($imagesize[0] >= $size_parts[0] && $imagesize[1] >= $size_parts[1]) {
return true;
} else {
return false;
}
}
}
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