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javascript - JS image compression and upload as file

JS image compression is used to upload images in WEBKIT. When selecting an image, compress the image and obtain the BASE64 data of the image, and then upload the image in the form of File when submitting the form. The BASE data has been obtained, but the uploaded file is also BASE64 data and cannot ...

淡淡煙草味 2017-05-18 10:58:12 0  4  1829

javascript - I plan to write a C++ node image processing module. Is there any recommended C++ image processing library?

As the title says, I want to write a C++ node image processing module. The main function is Poisson fusion of images. The main technical points involved are: 1. Read image pixels (jpg, png, etc.) 2. Perform matrix operations on pixels 3. Convert For the pixel writing image matrix operation part, eig...

滿天的星座 2017-05-16 13:21:47 0  1  894

javascript - gulp After installing the image compression plug-in, why does it report Cannot find module 'file-type' after executing the gulp command?

After installing this image compression tool, I could execute the gulp command to compress html and css, but now I can't. The error is reported for the first image. Also, please tell me why I can't compress the js file (the gulp-uglify plug-in has been installed). It is said to be a syntax error on ...

世界只因有你 2017-06-22 11:54:19 0  1  1182

Fix PHP image upload issue: replace previous image to upload new image in multiple posts

I'm running into an issue with the image upload functionality of my PHP application. Here's the situation: I have a form where the user can create a post and upload an image related to the post. When I upload my first post with an image attached, everything works fine and the image is saved correctl...

P粉788765679 2023-09-14 11:27:48 0  1  580

php - How to delete the temporary image left after the docker image is successfully built? Please give me some advice

php - How to delete the temporary image left after the docker image is successfully built? Please give me some advice

黃- 2020-03-28 21:39:48 0  0  899

Add multiple watermarks to an image in php

The PHP GD library can add multiple watermarks to a picture. Is there a plug-in that can catch it?

僅有的幸福 2017-06-23 09:12:08 0  2  1219

In PHP, how to encode the generated verification code image into base64?

PHP server Android client I need to encode the verification code image generated by the server into base64. Note: Instead of generating a display image, the generated image resource is directly encoded into base64 so how to do? ? ? ? ? ? ?

阿神 2017-05-27 17:42:38 0  2  1760

php - When compiling and installing the lnmp environment in Linux, does the GD library need to be downloaded and installed separately?

PHP has its own gd library, but during compilation and installation, do you need to download and install the gd library separately? Or can you just use the one that comes with PHP? However, many people on the Internet do not directly use PHP's GD library, but download GD separately. Install.

大家講道理 2017-05-16 12:57:59 0  6  690

javascript - php downloads the image header, android browser downloads normally, apple only displays the image and cannot download it, please give me some guidance

PHP downloads images, using header. All Android browsers work fine. When Apple Safari clicks on the image, it will jump to the larger image. But there is no download part, and there is no image gallery. Please give me some advice.

過去多啦不再A夢 2017-05-16 12:58:24 0  2  601

php - How to output image in base64

It's like this. Today I wrote a template for PHP to generate verification codes based on the information on the Internet: {code...} But I don't want him to output the image directly, but output the image in base64. How should I do it? I have tried many methods without success, unless it is necessary...

伊謝爾倫 2017-05-24 11:32:19 0  1  997

Docker Image: Integration of PHP 8.0, Apache and phpMyAdmin

I'm creating an image for a php8 project running on apache and using phpMyAdmin, my Dockerfile is as follows: FROMphp:8.0-apacheRUNapt-getupdate-y&&apt-getinstall-ylibmariadb-dev&&docker-php-ext-installmysqli&&docker-php-ext-inst

P粉186017651 2024-03-31 18:19:17 0  1  738

There is a problem with the final call of php to implement image verification code?

According to php how to implement image verification code content guide encapsulation verification code class

羅梅光 2022-05-05 01:22:00 0  8  1257

PHP remove orientation exif from image only (without using imagick)

I wrote a script that batch resizes uploaded images locally and creates thumbnails. The problem is if some images are oriented vertically but after resizing they rotate horizontally. This is due to the exif orientation of the image. Is there an easy way to remove orientation exif from an image via P...

P粉141925181 2024-03-27 09:27:01 0  1  613

PHP implements links and background image settings between pages

I need help linking two web pages together in php, I want my users to click a button and jump to the next page? Is there any relevant code that can achieve this function? Also, how can I add a background image to my entire php website?

P粉009828788 2023-09-14 22:34:32 0  1  677

Regarding image uploading, renaming and compression issues

The second time I used an image with the same file name, when I uploaded it, it was prompted that the file already existed, the path could not be saved in the database, and the file name could not be saved in the database, resulting in no display. , please tell me where to add code to solve this pro...

主持人~冬旭 2019-12-15 19:39:27 0  0  1240

laravel-pdf upload-pdf to image - php Can laravel upload pdf files and convert them into images?

The server framework uses PHP laravel5.1. The front-end needs to support uploading pdf or image files. If it is a pdf file, it will be converted into an image file. Can this be achieved?

為情所困 2017-05-16 16:54:50 0  1  1152

javascript - What is the principle of canvas compressing images?

The toDataURL method in canvas can specify the format and compression quality of the image after compression, such as compressing it into webp format: {code...} toDataURL uses base64 to encode the image, and the encoded source file is 33% larger than before encoding. , reference address, but the qua...

給我你的懷抱 2017-06-26 10:55:55 0  2  1231

How does PHP determine the user's access method, whether it is accessed by the src of the image?

How does the PHP language determine the user's access method? The scenario is as follows: I want to display different content by determining how the user accesses this address. If accessed through image src, the image will be displayed. If accessed directly through the browser, web page information ...

巴扎黑 2017-06-05 11:08:06 0  3  773

Using tp3.2.3 to upload image files shows non-existent image files

:(Non-existent image file error location FILE: D:\wamp64\www\c2\ThinkPHP\Library\Think\Image\Driver\Gd.class.php LINE: 42TRACE#0 D:\wamp64\www\c2\ThinkPHP \Library\Think\Image\Driver\Gd.class.php(42): E('\xE4\xB8\x8D\xE5\xA

Jenkin 2020-08-15 18:00:22 0  0  1263

How to get the last offset in a topic from Kafka using php library?

I'm writing a Kafka consumer for an API project using the php-rdkafka library. I need to find the last offset in the topic and get the value from it for further processing. For example, last offset in topic = 5, then I need to get offset 5 and send it through API until new offset is added. What I'm ...

P粉763662390 2023-09-10 11:00:45 0  1  785