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PHP library for image processing

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PHP library for image processing

<?php
namespace PHPImageWorkshop;
use PHPImageWorkshop\Core\ImageWorkshopLayer as ImageWorkshopLayer;
use PHPImageWorkshop\Core\ImageWorkshopLib as ImageWorkshopLib;
use PHPImageWorkshop\Exception\ImageWorkshopException as ImageWorkshopException;
class ImageWorkshop
{ 
    const ERROR_NOT_AN_IMAGE_FILE = 1;
    const ERROR_IMAGE_NOT_FOUND = 2;
    const ERROR_NOT_READABLE_FILE = 3;
    const ERROR_CREATE_IMAGE_FROM_STRING = 4;
    public static function initFromPath($path, $fixOrientation = false)
    {
        if (false === filter_var($path, FILTER_VALIDATE_URL) && !file_exists($path)) {
            throw new ImageWorkshopException(sprintf('File "%s" not exists.', $path), static::ERROR_IMAGE_NOT_FOUND);
        }

Image processing (image processing) is a technology that uses computers to analyze images to achieve the desired results. Also called image processing. Image processing generally refers to digital image processing. A digital image refers to a large two-dimensional array captured by industrial cameras, video cameras, scanners and other equipment. The elements of the array are called pixels, and their values are called grayscale values. Image processing technology generally includes three parts: image compression, enhancement and restoration, matching, description and recognition.

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