imagick | 🌈 The Imagick PHP extension 🌈 | Computer Vision library
kandi X-RAY | imagick Summary
kandi X-RAY | imagick Summary
Imagick is a PHP extension to create and modify images using the ImageMagick library. There is also a version of Imagick available for HHVM. Although the two extensions are mostly compatible in their API, and they both call the ImageMagick library, the two extensions are completely separate code-bases.
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Trending Discussions on imagick
QUESTION
I installed Imagick through apt-get install
. However the version it installed was old (6.9.7) and does not have all the delegates I need built in.
So I thought I uninstalled it using apt-get remove --purge imagemagick
and reinstalled it from source.
Currently identify -version
gives me the correct version I just installed (6.9.12) however php -r "print_r(Imagick::getVersion());"
still shows v 6.9.7.
ANSWER
Answered 2021-Jun-14 at 00:46sudo apt-get purge package-name
QUESTION
I have two png layers, both with transparent backgrounds, that I'm trying to combine in Imagick in PHP. One is a shape, another is reflections to be applied on top of that shape. However the reflections were drawn overlapping outside the edges of the shape, so I need to clip them to the shape (remove the parts of the reflections that are not inside the shape) when layering it on top, and preserving the alpha channels.
All the examples I can find online do it like this;
...ANSWER
Answered 2021-Jun-04 at 00:27I do not know Imagick well. So here is how to do it in ImageMagick command line. It should be relatively easy to convert the commands to Imagick.
Basically, you separate the alpha channels of the two images and then multiply them together to clip the highlight alpha with the blob alpha. Then you put the result as the new alpha channel back into the highlight image. Then you composite that result as the new highlight image over the blob image.
QUESTION
I am trying to convert a bunch of svg images into png. Below is the snippet of the Imagick part:
...ANSWER
Answered 2021-May-23 at 19:00Ok, my suspicions about the altered viewBox were unfounded. That looks okay.
But what is up with the filter effect you are adding? You didn't mention that. It's basically an unconfigured/misconfigured drop shadow filter. But it is missing a lot of attributes. For example stdDeviation
is not set in the filter element. It's possible that ImageMagick does not like that. Does it still clip when you remove the filter from the SVG (i.e. remove
filter="url(#shadow)"
)?
QUESTION
While running the Pimcore6.9 along with the symfony4.4 I had spotted some warnings:
...The MimetypeGuesser is depricated since symfony4.3 use MimeTypes instead.
ANSWER
Answered 2021-May-21 at 16:23Your composer.json
already lists symfony/symfony
as a required package. This contains symfony/mime
- as long as you are using Symfony v4.3 or later. The MIME component did not exist before that.
QUESTION
I have a utility class that loads image files and, among other operations, converts them to other formats. It uses PHP GD.
Everything works fine except PNG files that have transparency are done wrong when converting to WebP. The result image has a black background where the transparency should be.
This is my code:
...ANSWER
Answered 2021-May-19 at 11:22Yes! Thanks @msbit, I was calling to resize on my tests, as I supposed that code was ok... and it wasn't 😅 The resize function used to be:
QUESTION
The Instagram image ratio requirements are:
- 1:1
- 4:5
- 1.91:1
- 16:9
Readed here and here. The documentation also says:
(...) Advise the app user to try again with an image that falls withing a 4:5 to 1.91:1 range.
Althought the documentation doesn't say, I know for a fact that publishing a photo with 1:1 ratio works.
So I would like to check if the image uploaded meets the requirements and if not resize to meet them (either by downsizing or upsizing). I'm using Laravel with Image Intervention library.
To check the aspect ratio, I'm using the following code:
...ANSWER
Answered 2021-May-07 at 12:18Solved.
The code to check the aspect ratio was not correct. To check it properly all we need to do is divide the width for the height and see if it fits the range of Instagram requirements.
QUESTION
There are many PHP solutions and WP plugins, they all come with additional options that I don't want/need, i.e. how the converted files are served, where they are stored, etc.
I need none of all that and am after pure simple code using GD. I don't want to use a plugin, thank you.
When should the encode happen ? At any time you know it is a good point in the hook routine, could be this https://make.wordpress.org/core/2019/11/05/use-of-the-wp_update_attachment_metadata-filter-as-upload-is-complete-hook/ but if you know better or have another solution then use that and possibly let me know why you choose another hook. I would i.e. also be happy with firing a cron job once new images are uploaded if that is better. Also I don't need to have metadata of the converted images in the WP db, fine with having the original
.jpeg
files and their metadata in the Media Library, the.webp
files are just there to be used inside thepicture
element.Where should the converted files be stored?
wp-content/uploads/
default folder structure,.webp
files should be next to.jpeg
files all in there.GD image engine should be used for the conversion. https://developer.wordpress.org/reference/classes/wp_image_editor_gd/ Lately I find imagick just crashes or takes ages to do anything. In WP 5.2 things still worked just fine with imagick but there must have been changes introduced that make using imagick in later versions of WP useless. I find GD to me quite stable and fast, it does not matter it creates lossy WebP versions. The methods for the GD image engine from WP do not seem to include conversion/encoding https://developer.wordpress.org/reference/classes/wp_image_editor_gd/#methods so I am also happy with any methods using in the GD module https://www.php.net/manual/en/book.image.php concerning encoding to WebP.
To get rid of all the extra unneeded image sizes and options WP introduced over time I have these functions/filters in
functions.php
.
ANSWER
Answered 2021-Apr-25 at 09:52To know what data you work with inside a filter or action and to see what variable names hold what values a helper function like below can be used.
QUESTION
With imagick command, i want to resize image form 2Mb to 200KB, i tried:
...ANSWER
Answered 2021-Apr-28 at 06:22I have not tested this, but am fairly sure you can use setOption like this to set the upper limit for a JPEG's filesize:
QUESTION
I'm trying to open an image with Intervention
...ANSWER
Answered 2021-Apr-26 at 15:23Image::make(file_get_contents('https://via.placeholder.com/300/09f/fff.png')
returns the Image
object.
So you can return the image with ->response()
.
QUESTION
I have 2 Dockerfiles: one with nginx and another with php. Container with php exposes port 9000, but it is not described in docker-compose.yml or Dockerfile.
What makes docker to open the port 9000?
Does anyone come across this problem? Any help is be appreciated )))
Steps to reproduce
docker-compose.yml
...ANSWER
Answered 2021-Apr-06 at 21:39It s because it s exposed into the parent docker image (php:7.4-fpm)
https://github.com/docker-library/php/blob/master/7.3/alpine3.12/fpm/Dockerfile#L233
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