cropperjs | JavaScript image cropper | Computer Vision library
kandi X-RAY | cropperjs Summary
kandi X-RAY | cropperjs Summary
JavaScript image cropper.
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Top functions reviewed by kandi - BETA
- Reset from EXIF data
- creates a source canvas
- Parses the orientation and rotation .
- Get translate transform names
- Add listener for element .
- Get the current aspect ratio
- Gets the rotated dimensions of a frame
- Add a class name to an element .
- Remove listener from element
- Calculate the max ratio of pointers .
cropperjs Key Features
cropperjs Examples and Code Snippets
Community Discussions
Trending Discussions on cropperjs
QUESTION
I was trying to crop videos with cropper.js, but from what I understand that it is impossible and only works for photos. I've looked everywhere for resources to do such, but I couldn't find anything. If you don't know what I am talking about I would like something like this https://codesandbox.io/s/react-easy-crop-for-videos-lfhme but uses JavaScript instead of React. The reason I don't want to switch to a frontend framework is because I am using Django for my backend, and am not comfortable with switching to APIs, and using React or Vue, since I am really far into my project. I also want to avoid using a hybrid architecture if possible. If anyone knows of any libraries or repositories I can check out that might help me that would be much appreciated.
Just in case I can use videos in cropper.js here is my source code.
...ANSWER
Answered 2022-Mar-05 at 20:48You didn't explain your use case in much detail, but if you just want to crop videos with a few known aspect ratio options, you can do this pretty easily do this with vanilla HTML, CSS, and JavaScript.
HTML:
QUESTION
I am struggling to get cropperjs to work in svelte. Any help would be appreciated.
The svelte script is as follows
...ANSWER
Answered 2022-Jan-28 at 10:23There appears to be an issue using import Cropper from 'cropperjs'. Corrl supplied a work-around in a comment:
There seems to be a problem with
import Cropper from 'cropperjs';inside the REPL - when usingwith script and stylesheet references to Cropper it looks better
Another problem is that the image hasn't completed loading by the time you pass the reference to Cropper. You could try using onMount instead which runs after the component is added to the dom. However, the image data hasn't always completed loading when onMount runs.
Another option is to bind to the onload event for the image. This answer to Svelte component onLoad shows the technique. However, you could simply call img.addEventListener('load', initCropper); within onMount which will initialize Cropper once the image has fully loaded.
QUESTION
for several days I have been facing the problem that PHP cannot find my index.
What I've tried:
- Change the data name in ajax
- I added the code from PHP Create.php to create.php (at the beginning and at the end of the code)
- Various ajax possibilities
The goal
I want to save an image which I have cropped with (cropper.js), using PHP on a SQL server.
My code:
OnSetData.js
...ANSWER
Answered 2021-Dec-29 at 21:57i think you will open create.php in browser
create.php has a form that sends "save_submit" to izself as a new request so create.php will be opened again but this time with "save_submit", nothing else, so yes, there is no image, that is correct
now lets look at OnSetData.js: it makes a separate request to PHPCreate.php with "image", but no "save_submit" so PHPCreate.php will do nothing
to clearify:
- the button in the form will make a site navigation
- OnSetData.js will make a request on its own
both request are handled in separate
QUESTION
Im using ROR, stymulus, cropperjs with active directory direct upload. Pictures of my project are on amazon s3 I want to allow user uploading pics in a form to crop them in the form before yo upload.
I followed this tutorial on drifting rub
It supposed to use direct upload to upload pics before the user completed the form, like this its possible to show a preview and crop.
The probléme i have is it work only in local, not on heroku in production.
here is my form:
...ANSWER
Answered 2021-Sep-27 at 00:36Hey after struggling few days, i finally find the solution on drifting ruby website.
It dont work on heroku because we have to import the css in webpack. I had to add the following line in the layout
QUESTION
I use cropperjs to crop some image, I keep in database the result of getData method who return values in white on the picture.
...ANSWER
Answered 2021-Sep-13 at 04:40At first get coordinates in bounding box
QUESTION
I'm on Nuxtjs 2.15.7 and recently getting this error in my console
as I searched, only got to @nuxt/pwa issue . But I don't have pwa module in my project!!
here is my package.json
...ANSWER
Answered 2021-Sep-12 at 10:46Unregister the SW in your devtools.
Since it's tied to a domain name, it should probably be this one. The button is pretty much on your first screen.
QUESTION
I've got a Vue app with an upload component which gets an image (dropzone), pass it to cropper (cropperjs) and returns it to dropzone once cropped.
I want to compress image just before the upload, so i'm gonna get the image from the dropzone object and pass it to the compressor (compressorjs). I'm struggling with an error and can't go further.. that's the situation:
Cropping method:
ANSWER
Answered 2021-Sep-05 at 14:46You should use an arrow function expression instead of a function expression because using a function expression it creates its own this binding.
So in your case testFunction doesn't exist in the new context (the new this).
QUESTION
I am using https://github.com/fengyuanchen/cropper/blob/master/README.md as the cropper function. However, I want to submit field objects (in this case the title) and the cropped image. But I got an error on the admin. And of course, I have done the makemigrations and migrate before running the server
ANSWER
Answered 2021-Apr-09 at 09:43Ahh silly me, after a week of finding solutions, I finally realize that I did not put and after deleting some of the database cache.
fd.append('title', $("input[name='title']").val())
on the getCroppedCanvas()
For those who had the same problem, please.. Ref :
QUESTION
I am trying to run the command npm run dev or npm run production. But none of them are successful. Once I run the command I am getting an error like in image :
error after running npm run prod
My package.json file is like below :
...ANSWER
Answered 2021-Jan-31 at 07:24Laravel Mix 6 removes a number of options from the CLI. You will need to update the scripts section of your package.json file accordingly.
See Update Your NPM Scripts
https://laravel-mix.com/docs/6.0/upgrade#update-your-npm-scripts
Before:
QUESTION
I'm trying to save cropped images using react-cropper. It seems to work as intended, but the URL that gets saved is crazy long. The console log of the data package alone is often over 100kb, and that's just a data URL.
When I console log (and send to a DB) I store a value that starts with data:image/png;base64,iVBORw0... and then continues so long it takes me about 20 seconds to scroll to the end of it in my IDE.
I notice it's also an issue in the code sandbox from the official docs.
I took my code directly from that demo, but I'll paste it here as well for ease.
...ANSWER
Answered 2021-Jan-29 at 10:41Send the data to a server, convert it to a binary, store it somewhere (e.g. your server's hard disk or Amazon S3), give it an HTTP URL, then use the HTTP URL in future.
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