get image width and height

1. When do I need to obtain the true width and height of the image?When creating a pc webpage, you may sometimes consider judging whether the image is a horizontal or vertical image based on the size of the inserted image. Then, different display

Simple Example of JS getting IMG image height and width, js getting img width Some time ago, when I added the adaptive screen size function to the touchslider. js carousel code written by LJW, I encountered a problem. No matter what method you use,

Before the project background upload pictures need to limit the width of the picture, the beginning of Baidu after the use of JS to judge, but this way there are certain problems, and then changed in the background to judge. Now, both of these

PHP uses the Imagick module to scale, crop, compress pictures including GIF images Zoom crop Copy CodeThe code is as follows:/*** Picture Clipping* Cropping rules:* 1. Height is empty or zero by width scaling height adaptive* 2. Width is empty or

Text: How to get the true width and height of a picture via JS and jquery1. When to get the true width and height of the pictureWhen doing a PC Web page, sometimes consider the size of the inserted image to determine whether the picture is a

Determine whether the image is a horizontal or vertical image based on the size of the inserted image. After judging the image, we will give you different display methods. The following describes how js and jquery obtain the true width and height of

This generates the thumbnail code, want it to be 600 width, and then the height proportionally how to get it???? The code is on-line, the author notes that can be proportional! But I set the height to 0, and it doesn't work. Can only be set

The following is a method: If (! Function_exists ('imagecreate ')){Die ('the current server does not support GD module ');}If not, how can I configure it? Download the dll file of the gd module, modify php. ini, and restart the server.The PHP plot

Use canvas today. when the drawBitmap method draws an image, it finds a problem. When it is made in version 2.1, It is center-centered. When it is used in version 2.2, it finds the same image, but it cannot be centered. After reading the code, I

Php image function example (not original ). The following is a method: if (! Function_exists (imagecreate) {die (this server does not support the GD module);} if not, how can I configure it? Download the dll file of the gd module and modify the