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ImageMagick : manipuler des images en ligne de commande. ImageMagick est un logiciel vraiment intéressant car il permet de manipuler des images avec des lignes de commande, dans pratiquement tous les formats existants.

ImageMagick : manipuler des images en ligne de commande

Il est ainsi possible d'automatiser des actions (conversion, redimensionnement...) sur plusieurs images contenues dans un dossier. Pour installer lancez la commande suivante sur une distribution à base de Debian : 1&1 Help Center - Install ImageMagick via SSH. We now need to run the .

1&1 Help Center - Install ImageMagick via SSH

/configure command to prepare for code compilation. You will not be able to install ImageMagick without specifying an install location because you do not have permissions to install to the default location on the server. So in this step we use the folder structure obtained from the last step and use the --prefix= option to specify where ImageMagic should be installed. The htdocs folder is the root of your webspace. In the example below, we specify to install ImageMagick in an ImageMagick subfolder. (uiserver):u12345678:~/ImageMagick-6.7.4-1 > . Installing ImageMagick on Windows and Using with PHP – Imagick « elxsy. As most of your know ImageMagick is like the photoshop on your console demand.

Installing ImageMagick on Windows and Using with PHP – Imagick « elxsy

Best with their explanation. ImageMagick® is a software suite to create, edit, and compose bitmap images. Windows.php.net - /downloads/pecl/releases/imagick/3.1.2/ [To Parent Directory]

windows.php.net - /downloads/pecl/releases/imagick/3.1.2/

Install from Binary Distribution. ImageMagick® is a software suite to create, edit, compose, or convert bitmap images.

Install from Binary Distribution

It can read and write images in a variety of formats (over 100) including DPX, EXR, GIF, JPEG, JPEG-2000, PDF, PNG, Postscript, SVG, and TIFF. Use ImageMagick to resize, flip, mirror, rotate, distort, shear and transform images, adjust image colors, apply various special effects, or draw text, lines, polygons, ellipses and Bézier curves. The functionality of ImageMagick is typically utilized from the command line or you can use the features from programs written in your favorite language. Efficient Image Resizing With ImageMagick. Responsive1 images2 have been keeping us on our toes for quite some time, and now that they are getting traction in browsers, they come with a scary problem: the need to efficiently resize all our image assets.

Efficient Image Resizing With ImageMagick

The way responsive images work is that an appropriately sized image is sent to each user — small versions for users on small screens, big versions for users on big screens. It’s fantastic for web performance, but we have to face the grim reality that serving different sizes of images to different users means that we first need to create all of those different files, and that can be a huge pain3. Many tools out there automate image resizing, but too often they create large files that cancel out the performance benefits that responsive images are supposed to deliver.

In this article, we’ll see how we can use ImageMagick134 — an open-source command-line graphics editor — to quickly resize your images, while maintaining great visual quality and really tiny file sizes. v6 Examples. Fred's ImageMagick Scripts: CARTOON. USAGE: cartoon [-p pattern] [-n numlevels] [-m method] [-e edgeamount] [-b brightness] [-s saturation] infile outfile USAGE: cartoon [-h or -help] -p ... pattern ...... segmentation pattern (shape); 0<=integer<=100; ..................... default=70 -n ... numlevels .... number of desired segmentation levels; integer>=2; ..................... default=6 -m ... method ....... edge method; 1 or 2; default=1 -e ... edgeamount ... amount of edges; float>=0; default=4 -b ... brightness ... brightness of cartoon; integer>=0; default=100 -s ... saturation ... saturation of cartoon; integer>=0; default=150 PURPOSE: To create a cartoon-like appearance to an image.

Fred's ImageMagick Scripts: CARTOON

DESCRIPTION: CARTOON creates a cartoon-like appearance to an image. The image is smoothed and then multiplied by a grayscale version of the image with the desired number of levels to produce the segmented appearance. The pattern parameter changes the shape of the segmentation for the given number of levels. Installer ImageMagick et phMagick sur Wamp. Depuis un moment sur mes serveurs, je me sers de la bibliothèque GD en version 2 disponible par défaut sur la plupart des environnements PHP pour manipuler des images comme par exemple pour les redimensionner, changer les formats, etc...

Installer ImageMagick et phMagick sur Wamp

Mais je me suis dit qu'il fallait que je me lance dans l'utilisation d'une bibliothèque plus puissante et maintenue à jour assez souvent. Je me suis tout de suite rappelé de ImageMagick car cette bibliothèque est disponible sur la plupart des hébergements. Pour savoir si votre hébergeur intègre ImageMagick sur votre hébergement, vous pouvez mettre ces quelques lignes de code PHP pour vérifier : Ce code devrait vous retourner la version d'ImageMagick. Dans mon cas ça donne : Passons maintenant au vif du sujet Présentation d'ImageMagick Bon oui je ne me suis pas foulé j'ai récupéré ce descriptif sur Wikipedia.