Crop your image
###Example of use
<?php
require_once __DIR__ . '/autoload.php';
$CanvasCrop->loadImage('original1.png');
$CanvasCrop->cropBySize(100, 100, CanvasCrop::ccBOTTOMRIGHT);
$CanvasCrop->saveImage('final1.png');
$CanvasCrop->flushImages();
$CanvasCrop->loadImage('original2.png');
$CanvasCrop->cropByPercent(15, 50, CanvasCrop::ccCENTER);
$CanvasCrop->saveImage('final2.jpg', 90);
$CanvasCrop->flushImages();
$CanvasCrop->loadImage('original3.png');
$CanvasCrop->cropToDimensions(67, 37, 420, 255);
$CanvasCrop->showImage('png');