HTML5 mobile phone image upload cropping code

11 Jun 2018

This article mainly introduces the H5 image upload plug-in in detail. Based on zepto, it supports multi-file upload, progress and image preview. It has certain reference value. Interested friends can refer to it.

15 Jun 2023

With the continuous development of web technology, more and more special effects and transition effects are applied to web design. Among them, picture special effects and transition effects are the most common ones in web design. JavaScript is a commonly used scripting language in front-end development, and it also has certain advantages in realizing image special effects and transition effects. This article will introduce how to use JavaScript to implement image special effects and transition effects. 1. Picture special effects: mouse-over picture enlargement When the mouse hovers over the picture, the picture is made larger through JavaScript.

14 Mar 2017

When uploading pictures on the mobile terminal, users generally upload pictures from the mobile phone album. Nowadays, the shooting quality of mobile phones is getting higher and higher. Generally, the size of a single photo is about 3M, so it needs to be compressed locally before uploading. The editor below brings you the HTML5 mobile development image compression and upload function. Friends who are interested in the HTML5 image compression and upload function should take a look.

26 Aug 2023

Golang's method of implementing picture special effects and graphics transformation 1. Introduction In computer graphics, picture special effects and graphics transformation are common operations that change and enhance images. As a cross-platform, high-performance programming language, Golang provides a wealth of libraries and tools to process images and implement various special effects and transformations. This article will introduce how to implement picture special effects and graphics transformation in Golang, and give corresponding code examples. 2. Image special effects grayscale Grayscale is a special effect that converts pictures into black and white images. In Golang

21 May 2017

When uploading pictures on the mobile terminal, users generally upload pictures from the mobile phone album. Nowadays, the shooting quality of mobile phones is getting higher and higher. Generally, the size of a single photo is about 3M, so it needs to be compressed locally before uploading. The editor below brings you the HTML5 mobile development image compression and upload function. Friends who are interested in the HTML5 image compression and upload function should take a look.

18 Aug 2023

Canvas special effects include particle effects, line animation, image processing, text animation, audio visualization, 3D effects, game development, etc. Detailed introduction: 1. Particle effect, by controlling the position, speed and color of particles to achieve various effects, such as fireworks, raindrops, starry sky, etc.; 2. Line animation, by drawing continuous lines on the canvas, create various effects. A dynamic line effect; 3. Picture processing, by processing pictures, you can achieve various cool effects, such as picture switching, picture special effects, etc.; 4. Text animation and other features.

16 May 2016

Full-screen fade-in and fade-out simple banner, asynchronous picture and text effects switching picture special effects, friends in need can refer to the following

06 Jul 2016

jquery waterfall flow LightBox picture box special effects

13 Sep 2023

Summary of methods for implementing picture special effects using PHP. With the rapid development of the Internet, picture special effects have become an indispensable part of web design. Whether it is the homepage of a website or a product display page, flexible use of image effects can improve user experience and page attractiveness. As a powerful back-end development language, PHP can easily process images and add special effects. This article will summarize some commonly used methods of using PHP to achieve image special effects and give specific code examples. Image cropping Image cropping is a common image processing need