Let's say we want to see what Helvetica fonts are available – we could use this command:Ĭonvert -list font | grep -i Helvetica family: Helvetica To narrow the results down, pipe in grep followed by an expression. To use a custom font, first look up what fonts are available to use on your system using the following command: If you don't supply a path the image will be created in your current working directory. -gravity – where to place the text within the image.-pointsize – the size of the text, play around with this value to get the desired result.-size – the dimensions for the image (widthxheight).This can be a hex value or a word such as pink. -background – the background color for the image.

To generate an image from the command line line, use the covert command with the following options:Ĭonvert -background '#000000' -size 800x480 -fill '#ffffff' -pointsize 72 -gravity center label:'Some Text' output.png

Please make sure you have ImageMagick installed on your system before proceeding. For this, we will be using a tool from the ImageMagick image processing package rather than FFmpeg. That’s a lot better than macOS’ default treatment for dynamic wallpapers.Īs the December 2020 launch date for Windows 10 X and Surface Neo near, we might learn more about Windows 10 X in the coming months.In this tutorial, we will learn how to generate images with text on them from the command line and from within a PHP program. You can also import your own custom themes and create your own. You have to choose a theme, enter your location and minimize the app to your system tray, and it will automatically change the wallpaper in the background. It uses your location to determine the times of sunrise and sunset, and desktop wallpaper change is based on the time of day. With ‘WinDynamicDesktop’ Microsoft Store app, you can automatically change your desktop background according to the time of day. Get dynamic wallpapers nowĪll those Windows 10 X users might get dynamic wallpaper later this year, but you can do it on your Windows 10 device right now, thanks to a fun little utility available in the Microsoft Store. The natural wallpapers will have dynamic clouds, stars and even birds that appear from time to time.ĭynamic wallpaper personalization support would be a nice addition, but it’s not clear how these new personalization options will impact battery life on Windows 10 devices.Īpple’s macOS also offers dynamic wallpaper support and Mac owners can choose a desert landscape that changes throughout the day.

Programmatically change background mac