Table of Contents
1. [PHP]代码    
Home php教程 PHP源码 php实现处理动态GIF图片和GIF动画的

php实现处理动态GIF图片和GIF动画的

May 25, 2016 pm 05:14 PM
php

1. [PHP]代码    

class gifImages {

    public static $fileName = null;
    public static $desName = null;
    public static $fileType = 'gif';

    public static function isExistFile($file) {
        if (is_file($file)) {
            return self::$fileName = & $file;
        }
        print_r(error_get_last());
        exit;
    }

    /**
     * 向图片上写文字
     * @param $fileNmae 目标文件地址
     * @param $text     要写的文字
     * @param $desName  生成后的图像地址
     * @param $font     字体
     * @param $size     字的大小
     * @param $color    要写字的颜色
     * @param $x        要写字的x坐标
     * @param $y        要写字的y坐标
     */
    public function writeText($fileName, $text, $desName='', $font, $size, $weight=100, $color, $x, $y) {
        self::isFile($fileName);
        $desName = self::getDesName($desName);
        $image = new Imagick();
        $draw = new ImagickDraw();

        $draw->setTextEncoding('UTF-8');
        $draw->setFont($font); //  '/usr/share/fonts/bitstream-vera/VeraBd.ttf'
        $draw->setFontWeight($weight);
        $draw->setFillColor($color);
        $draw->setFontSize($size); //12
        $draw->setGravity(1);
        $draw->setFillAlpha(1);

        $image->readImage($fileName);

        $image->resetIterator();

        do {
            $image->annotateImage($draw, $x, $y, 0, $text);
        } while ($image->nextImage());

        $image->setFormat(self::$fileType);

        $image->writeImages($desName, true);
        $draw->clear();

        $image->clear();

        $draw->destroy();
        $image->destroy();
        return $desName;
    }

    /**
     * 合并多个图片(可以是把一个图片当作LOGO写到图片上 ,也可以把多个图片做成动态的GIF动画)
     * @param $fileNmae     原图片 可以是多个
     * @param $desName      生成生的图片地址
     * @param $delay        如果是生成gif动画  这个是每帧的时间 100=1s
     */
    public function mergeImage($fileName, $desName, $delay=1) {
        
    }

    /**
     * 改变图片大小
     * @param $fileNmae     原图片地址
     * @param $width        要生成的宽度
     * @param $height       要生成的高度
     * @param $desName      生成生的图片地址
     */
    public function resizeImages($fileName, $width, $height, $desName='') {
        self::isFile($fileName);
        self::getDesName($desName);
        $image = new Imagick();
        $image->readImage($fileName);
        $image->resetIterator();
        do {
            $iw = $image->getImageWidth();
            $ih = $image->getImageHeight();
            $ratio = doubleval($iw) / doubleval($width);
            if ($height * $ratio < $ih) {
                $ratio = doubleval($ih) / doubleval($height);
            }
            $arrSize = array(floor($iw / $ratio), floor($ih / $ratio));
            $image->resizeImage($arrSize[0], $arrSize[1], 1, 1);
        } while ($image->nextImage());
        $image->setFormat("gif");
        $image->writeImages(self::$desName, true);
        $image->destroy();
        return self::$desName;
    }

    public static function getDesName($desName) {
        self::getType(self::$fileName);
        if (empty($desName)) {
            $desName = md5(time() . rand(0, 100)) . &#39;.&#39; . self::$fileType;
        } else {
            if (stripos(strtolower($desName), &#39;.&#39;) === false) {
                $desName .= "." . self::$fileType;
            }
        }
        return self::$desName = $desName;
    }

    public static function getType($fileName) {
        $size = getimagesize($fileName);
        $type = null;
        switch ($size[&#39;mime&#39;]) {
            case "image/gif":
                $type = "gif";
                break;
            case "image/jpeg":
                $type = "jpeg";
                break;
            case "image/png":
                $type = "png";
                break;
            case "image/bmp":
                $type = "bmp";
                break;
            default :
                $type = false;
        }
        unset($size);
        return self::$fileType = $type;
    }

}
Copy after login

                   

                   

Statement of this Website
The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn

Hot AI Tools

Undresser.AI Undress

Undresser.AI Undress

AI-powered app for creating realistic nude photos

AI Clothes Remover

AI Clothes Remover

Online AI tool for removing clothes from photos.

Undress AI Tool

Undress AI Tool

Undress images for free

Clothoff.io

Clothoff.io

AI clothes remover

AI Hentai Generator

AI Hentai Generator

Generate AI Hentai for free.

Hot Article

R.E.P.O. Energy Crystals Explained and What They Do (Yellow Crystal)
3 weeks ago By 尊渡假赌尊渡假赌尊渡假赌
R.E.P.O. Best Graphic Settings
3 weeks ago By 尊渡假赌尊渡假赌尊渡假赌
R.E.P.O. How to Fix Audio if You Can't Hear Anyone
3 weeks ago By 尊渡假赌尊渡假赌尊渡假赌

Hot Tools

Notepad++7.3.1

Notepad++7.3.1

Easy-to-use and free code editor

SublimeText3 Chinese version

SublimeText3 Chinese version

Chinese version, very easy to use

Zend Studio 13.0.1

Zend Studio 13.0.1

Powerful PHP integrated development environment

Dreamweaver CS6

Dreamweaver CS6

Visual web development tools

SublimeText3 Mac version

SublimeText3 Mac version

God-level code editing software (SublimeText3)

CakePHP Project Configuration CakePHP Project Configuration Sep 10, 2024 pm 05:25 PM

In this chapter, we will understand the Environment Variables, General Configuration, Database Configuration and Email Configuration in CakePHP.

PHP 8.4 Installation and Upgrade guide for Ubuntu and Debian PHP 8.4 Installation and Upgrade guide for Ubuntu and Debian Dec 24, 2024 pm 04:42 PM

PHP 8.4 brings several new features, security improvements, and performance improvements with healthy amounts of feature deprecations and removals. This guide explains how to install PHP 8.4 or upgrade to PHP 8.4 on Ubuntu, Debian, or their derivati

CakePHP Date and Time CakePHP Date and Time Sep 10, 2024 pm 05:27 PM

To work with date and time in cakephp4, we are going to make use of the available FrozenTime class.

CakePHP Working with Database CakePHP Working with Database Sep 10, 2024 pm 05:25 PM

Working with database in CakePHP is very easy. We will understand the CRUD (Create, Read, Update, Delete) operations in this chapter.

CakePHP File upload CakePHP File upload Sep 10, 2024 pm 05:27 PM

To work on file upload we are going to use the form helper. Here, is an example for file upload.

CakePHP Routing CakePHP Routing Sep 10, 2024 pm 05:25 PM

In this chapter, we are going to learn the following topics related to routing ?

Discuss CakePHP Discuss CakePHP Sep 10, 2024 pm 05:28 PM

CakePHP is an open-source framework for PHP. It is intended to make developing, deploying and maintaining applications much easier. CakePHP is based on a MVC-like architecture that is both powerful and easy to grasp. Models, Views, and Controllers gu

CakePHP Creating Validators CakePHP Creating Validators Sep 10, 2024 pm 05:26 PM

Validator can be created by adding the following two lines in the controller.

See all articles