clear exif

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PHP retrieves image information exif

: This article mainly introduces PHP to obtain image information exif. For more information about PHP tutorials, see. Code: $file_arr = read_exif_data('./1.png');var_dump($file_arr); Result: array (size=49) 'FileName' => string '2.png' (length=5)

Solve the Problem of exif information (Author/camera) loss in flex Compressed Images

When flex encoder is used to compress an image, the exif information will be lost, that is, the author of The image. The camera and Shenma will all be lost. What should I do? After studying jpeg documents, we finally solve this problem. 1.jpeg file

PHP correctly handles photo rotation problem

Objective The iphone and some digital cameras often include a lot of photo information (EXIF) in the picture, such as photo time, aperture size, exposure time, GSP geographic information, and camera tilt when photographed, and so on, which often

Two-dimensional code example using Imagick drawing text for wrapping

Two-dimensional code generation using the QRCode library: http://phpqrcode.sourceforge.net/ The most annoying thing is the word line, processing functions from the network. The function used in the following code is incomplete, the complete code

Image processing Artifact ImageMagick and PHP imagick extension

In order to improve the loading speed of the page, as well as reduce traffic, to the site of the picture to thin body, research a lot of solutions, and finally determined the use of ImageMagick, understand the software, really unsanitary environment,

Image format introduced in msdn

Bitmap is a bit array that specifies the color of each pixel in the pixel matrix. The number of bits dedicated to a single pixel determines the number of colors that can be allocated to the pixel. For example, if four bits are used to present each

How to tell if the picture has been PS

Let me share my experience with you. I'm not going to talk about the major digital change principles, and I'll elaborate on that from a pragmatic perspective. I divide the method of judging whether a picture is PS into four categories: Facts cannot

Image processing Artifact ImageMagick and PHP Imagick extensions ____php

In order to improve the loading speed of the page, as well as reduce traffic, to the image of the site to thin body, research a lot of solutions, and finally determine the use of ImageMagick, understand the software, really unlike, simply too good,

Detailed description of tools and applications in Windows XP

Detailed description of tools and applications in Windows XP

ImageMagick and imagick extensions of PHP

Image processing artifacts ImageMagick and PHP imagick extensions in order to increase page loading speed and reduce traffic, we need to slim down website images, study a lot of solutions, and finally determine the use of ImageMagick, after learning

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