Javascriptuploadimageorientation

2017年5月16日—TheorientationdataaresimplyavailableintheEXIFpartofthepicture.Natively,apictureisalwaysinthelandscapeformat—theportrait ...,ImageEXIForientation.RetrievestheEXIForientationdatafromJPEGimages.Thishelpsincorrectlyorientingphotostakenonmobiledevices.,2019年10月21日—js.First,weneedaformtouploadourimages:

參考資訊如下
Handle image rotation on mobile

2017年5月16日 — The orientation data are simply available in the EXIF part of the picture. Natively, a picture is always in the landscape format — the portrait ...

Image EXIF orientation

Image EXIF orientation. Retrieves the EXIF orientation data from JPEG images. This helps in correctly orienting photos taken on mobile devices.

image orientation on the web

2019年10月21日 — js. First, we need a form to upload our images: <form class= ...

Image rotation after upload · Issue #3530 · blueimpjQuery

2019年11月7日 — Browsers using the EXIF info to rotate images when viewed in their own tab/window; JavaScript code to automatically rotate the preview images ...

image-orientation - CSS: Cascading Style Sheets

2023年2月20日 — The image-orientation CSS property specifies a layout-independent correction to the orientation of an image.

javascript

2020年10月23日 — 1 Answer 1 · Size the canvas to match the image. · Perform your rotation at the center of the canvas, by using context.translate() .

Problem with image orientation on upload

2019年4月14日 — For some images, that have vertical orientation, after I upload, they become horizontal and stretched. Here is example.

Resize and rotate images using JavaScript

2021年7月9日 — Learn to resize, rotate, zoom in and out images using JavaScript. Sample code included! Just copy, paste and tweak it!

rotate image if needed with javascript

2014年2月17日 — I have a preview spot to show a preview of the image before uploading, the problem is when you choose an image from your phone it appears ...

Rotate image preview to compensate for EXIF orientation ...

Rotate image preview to compensate for EXIF orientation (Javascript / Typescript) ... rotation applied to compensate for EXIF orientation ... I also uploaded images ...