$image -> resizeImage ( $resize_w, $resize_h, Imagick :: FILTER_LANCZOS, 0. It accepts an additional parameter to set the focus point of the generated thumbnail: Here is a simple function to create a thumbnail. Specific target resolution If your goal at the end is to have a certain resolution (for example 1920x1080) then it's easy, using -geometry, the circumflex/hat/roof/house symbol ( ) and -crop: convert in.jpg -geometry 1920x1080 -gravity center -crop 1920x1080+0+0 out. If violent or adult content is detected, the Cloud Function uses ImageMagick to blur the image. The Cloud Function analyzes the image using the Cloud Vision API. Change file type One of the simplest things you can do with ImageMagick is change the file type of an image. Getting Started Introduction A simple tutorial Language Reference Basic syntax Types Variables Constants Expressions Operators Control Structures Functions Classes and Objects Namespaces Enumerations Errors Exceptions Fibers Generators Attributes References Explained Predefined Variables Predefined Exceptions Predefined Interfaces and Classes Predefined Attributes Context options and parameters Supported Protocols and Wrappers Security Introduction General considerations Installed as CGI binary Installed as an Apache module Session Security Filesystem Security Database Security Error Reporting User Submitted Data Hiding PHP Keeping Current Features HTTP authentication with PHP Cookies Sessions Dealing with XForms Handling file uploads Using remote files Connection handling Persistent Database Connections Command line usage Garbage Collection DTrace Dynamic Tracing Function Reference Affecting PHP's Behaviour Audio Formats Manipulation Authentication Services Command Line Specific Extensions Compression and Archive Extensions Cryptography Extensions Database Extensions Date and Time Related Extensions File System Related Extensions Human Language and Character Encoding Support Image Processing and Generation Mail Related Extensions Mathematical Extensions Non-Text MIME Output Process Control Extensions Other Basic Extensions Other Services Search Engine Extensions Server Specific Extensions Session Extensions Text Processing Variable and Type Related Extensions Web Services Windows Only Extensions XML Manipulation GUI Extensions Keyboard Shortcuts ? This help j Next menu item k Previous menu item g p Previous man page g n Next man page G Scroll to bottom g g Scroll to top g h Goto homepage g s Goto search The flow of data in the ImageMagick tutorial application involves several steps: An image is uploaded to a Cloud Storage bucket. The convert command The main work-horse of ImagicMagicK is the convert command which can be used for various image manipulation task such as resizing, bluring, cropping and more.
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