This article describes how to use the imagick module in php to scale, crop, and compress images. For more information about how to use the Imagick module in PHP to scale, crop, and compress images, including GIF images
Scale and crop
The code is
This article describes how to use the imagick module in php to scale, crop, and compress images. For more information about how to use the Imagick module in PHP to scale, crop, and compress images, including GIF images
Scale and crop
The code is
First, the realization of taking pictures, select pictures and crop picture effects
According to the style of the previous blog, first look at the implementation effect.
II. Application of Ucrop project
Think of the previous yalantis/ucrop
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
In development, invoking system libraries and cropping photos is a common requirement. Compared to the realization of this function, the direct call system has many advantages, such as not to consider screen adaptation, do not worry about
Php allows you to crop and scale images in the center
1
GetImageWidth (); 10 $ height = $ Image-> getImageHeight (); 11 // determines whether the length and width of the photo are equal to 12 if ($ width! = $ Height) {13 // if it is not equal, the
An image may be displayed in different places, with different sizes and proportions. Therefore, it is useful to automatically crop the image in this example, if you have any requirement, you can check out the portal site. you must know that an image
1, the overall effect chart:
2. Principle of realization:
(1) using the input onchange events to upload pictures asynchronously to the server
(2) Get the relative address of the uploaded picture, echo back to the IMG tag
(3) The use of Jcrop crop
PHP images are automatically cropped to display different sizes. PHP image auto-cropping to cope with display of different sizes. if you have been a friend of the Portal Station, you must know that an image may be displayed in different places, with
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