change exif orientation

This problem is in the use of seven of cattle upload pictures after the wide height of the found, a picture, with the picture browser Open is always a vertical chart, but to view the properties or the seven bull to obtain a wide height, but found a

Reading Exif information requires a simple understanding of JPEG and Exif formats. JEGP format please view cloud wind Article http://blog.csdn.net/glock18/archive/2004/09/05/95268.aspx Exif format please check the article http://dev.csdn.net/article/

This is an image that has not been uploaded. this is the image that has been uploaded. use exif. for images parsed by js, I don't know why. For uploaded png images, I don't know why they are black backgrounds. paste the code below {code ...} the

The WEB Front-end allows you to crop and upload images. The final effect is as follows: There are several functions, the first is to support drag and drop, the second is compression, the third is cropping and editing, and the fourth is the upload

In the mobile phone safari upload pictures, vertical photos will become a horizontal photo, the following program fragment using the picture EXIF information to rotate the picture back, code copied from Php.net official website.http://php.net/manual/

Objective:A few days ago, I wrote a technical analysis on the upside-down of uploading photos on iOS phones: iOS photo inversion analysis and PHP server processing.But the idea is to deal with it from the server, which is quite common.Today, we will

DemoA. Reproduce the problem:Photos obtained by the picture, due to the size of the wrong, need to be cut. But some of the pictures were cut out and the direction was messy. Look for some quality before you know. Picture has a directional property!

( ′? ?? Now the company AH are popular mixed development, our company is no exception, do not want to interact with a lot of community module with embedded Web page to show, well, after all, some applications are doing so, since it is the community

Use HTML5 to write pictures to cut the upload, on the iphone may encounter picture Direction error problem, this solution to share with you,Using the HTML5 FileReader and canvas, if you have not contacted the classmate, first understand its method.

Write a picture with HTML5 to cut the upload, on the iphone may encounter picture direction error problems, here to solve the problem and share with you,Use the HTML5 FileReader and canvas, if you have not contacted the classmate, first understand