Home Backend Development PHP Tutorial A summary of how to add text

A summary of how to add text

Jun 11, 2017 am 10:29 AM

How to use the GD2 function to add text to pictures (Typical application tutorial of PHP graphics and images 2) The GD library in PHP supports Chinese, but it must be transmitted in UTF-8 encoding format. If you use the imagesString() function directly Garbled characters will appear when drawing Chinese characters. This is because GD2 can only accept UTF-8 encoding format for Chinese and uses English fonts by default. Therefore, to output Chinese strings, the Chinese string must be transcoded and the Chinese string usage must be set. font, otherwise, the output will only be garbled characters! In the previous article "Detailed explanation of creating images, colors and filling background colors (Typical application tutorial of PHP graphics images 1)", we introduced creating images, colors and fillings, which are necessary no matter what kind of image is created. The first step, then today we will introduce to you how to add text to pictures! When we add the text we want on the required picture, then we have to use the imagettftext() function. Let’s first look at the syntax format of this function: array imagettftext (&nb

1. How to use GD2 function to add text to pictures (Typical application tutorial of PHP graphics and images 2)

A summary of how to add text

##Introduction: The GD library in PHP supports Chinese, but it must be transmitted in UTF-8 encoding format. If you use the imagesString() function to draw Chinese characters directly, garbled characters will appear. This is because GD2 can only It accepts UTF-8 encoding format and uses English fonts by default, so to output Chinese strings, you must transcode the Chinese strings and set the font used for the Chinese strings. Otherwise, the output will only be garbled characters #!

##2.

HTML5 Canvas text filling, line segment attributes, cropping, transparency and pixel merging methods

A summary of how to add text

Introduction: Many properties in CSS3 can be compared to some properties of our canvas. Many properties of the "brush" environment object in canvas can be compared to properties in CSS3. We can not only draw graphics, but also To add text and text filling to the canvas, first obtain the element object and environment object var canvas = document.getElementById('myCanv

3.

Add text watermark and picture watermark to the picture##Introduction: This article mainly introduces adding text watermarks and image watermarks to images. Students who are interested in PHP tutorials can refer to it.

4.

Using PHP to add text watermarks to pictures--implementation of object-oriented and process-oriented methods

Introduction::This article mainly introduces In order to use PHP to add text watermarks to images - the implementation of two methods, object-oriented and process-oriented, students who are interested in PHP tutorials can refer to

##5. php. Code for adding text watermarks to images

Introduction: This article mainly introduces the code for adding text watermarks to images in PHP. Students who are interested in PHP tutorials can refer to it.

6. php uses ffmpeg to add text subtitles to videos ffmpeg linux ffmpeg command ffmpeg c

Introduction: ffmpeg:php Use ffmpeg to add text subtitles to videos: This article mainly introduces how PHP uses ffmpeg to add subtitles to videos. It analyzes the techniques of adding letters to videos using PHP using ffmpeg. It has certain reference value and friends in need can refer to it. Down. This article describes how to use ffmpeg to add subtitles to videos using PHP. Share it with everyone for your reference. The specific implementation method is as follows:

7. php upload File and add text and image watermark code

##Introduction: PHP upload file and add text and image watermark code

##8 .

php image watermark code, add text watermarks and image watermarks to php images

Introduction: PHP picture watermark class code, PHP picture adding text watermark and picture watermark

9. php picture adding text watermark example code

Introduction: Add text watermark to php image example code

10. php Add text watermark to image and add text shadow_PHP tutorial

A summary of how to add text

Introduction: Add text watermarks to php images and add text shadows. To add watermarks to images in PHP, we need to install the GD library for PHP. Here we will not introduce the GD library installation, but only introduce how to use PHP to add text watermarks to images and add text shadow effects.

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