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What is the Beryl Project?
Beryl is an OpenGL accelerated desktop that seeks to provide a free, open source desktop experience to the community that reflects the wishes of the users. Above all else, the project seeks to listen to and respond to the requests of the user base.
Beryl is a combined window manager and composite manager written in C using OpenGL to provide acceleration. It is designed to be highly flexible, extensible, and portable, all the while keeping in mind that the users know how they want their desktops to act better than we do. With Beryl the rather esoteric concept of the computer desktop is brought down to a more human level, allowing for a more native and intuitive understanding of your workspace. To learn more about Beryl and its features visit our Feature Spotlight.
Beryl is a fork of the Compiz project, started by David Reveman of Novell. We continue to port new changes from compiz, and consider them essentially our upstream. Beryl could not have existed were it not for the heavy lifting done both server side by David and in creating compiz, which is the base on which all of our code is built, and which still comprises a large portion of our code, though this is likely to change as the 0.3.0/0.4.0 release cycle gets started.
Beryl Feature Spotlight
Introduction
This is a feature spotlight to let you know about the many things Beryl will currently provide you with. Please note that this will include features both available and not available in Compiz, which Beryl was forked from. This is not a complete feature list, just a general overview of the features available in Beryl. A more complete feature list can be found on the weekly blog updates. There is also a new users guide here that contained a more complete howto for using beryl.
Scale Effect
Scale out all your windows to get a thumbnail birds eye view of your desktop...
> OS X Expose Like Effect
Beryl allows users to activate the scale effect to find and switch between windows easily. Switching between windows using the scale effect is as easy as clicking on the thumbnail you want and Beryl will automatically pull up the selected window.
> Live Window Previews
As is the staple of all Beryl Effects, the windows show in the Scale effect are live previews. Movies continue to play, websites update. By right clicking on any given window, it will be zoomed back to full size for closer inspection.
> Drag and Drop Support
Dragging and dropping documents from folder to folder has never been easier. Overlapping windows are no longer an issue, just grab the document you wish to drag and drop, initiate scale with your mouse, and hover over the window you wish to drop it on. Easy...
Enhanced Switcher
Alt+Tab switcher displays live preview thumbnails to make it easier to visually identify your applications...
> Improved Visual Identification
The new switcher replaces the old boring icon based switcher. Now providing the user with live previews of their windows. Switching between many windows of the same app with Alt+Tab no longer requires reading the sometimes ambiguous window name.
> Better Selectiong Control
By pressing Alt+Tab you can easily browse through windows on your current viewport. Or if you wish to browse through all windows on all desktops, pressing Ctrl+Alt+Tab will allow you to do so.
> See Only What You Want
If you wish, the new switcher can be configured to dim all windows but the active one making your entire desktop your switcher. If you switch to a window not on your current viewport, the cube will rotate to show you.
Desktop Cube
Rotate around your desktop, really get a feel for where you are...
> Visualize Your Workspace
The human mind thinks very well in 3 dimensions, so why limit yourself to only two? Beryl can display your viewports as a cube, making it easier to organize your desktop. For the diehards though, the cube is unobtrusive as possible for these users.
> See Through The Clutter
Optionally the cube may be turned transparent to allow a user to see whats on the other side of the cube at all times. This feature is working but is planned to be in a future release.
> See Even More
For some the cube doesn't present enough information, only really showing the user one workspace at a time. In these situations it can be unfolded to show several viewports at once in a film strip style view by pressing Ctrl+Alt+Page Down.
Window Animations
Window animations now clearly show you where your windows are going...
> See Whats Going On
Just like metacity before it, Beryl will show you exactly where your windows are going when you minimize them. Animations are also available for close, create, show, and window shading.
> Do It How You Want It
Beryl comes loaded with 10 different animations to choose from. You can have your windows simply fade in and out, or have them destroyed in a fiery inferno when they are closed. It is all up to you, you can even have it randomly select an animation each time.
> Shade Windows
Like many window managers before it, Beryl can shade windows to save on desktop space. Beryl comes with several animations for window shading, from a simple role up, to a accordian style folding. Once again, it is all up to you.
Window Effects
Real time window effects are fun and useful...
> Transparency, Brightness, and Saturation
The transparency, brightness, and saturation of a window can easily be changed simply by right clicking on its title bar and setting it in the menu. It can also be set via mouse bindings.
> Gnome Terminal True Transparency
With Beryl providing a proper composited environment, Gnome Terminal can now use true transparency. That means you can see the windows below it instead of a copy of the wallpaper below it.
> Negative Windows
Like the negative of a film camera, the color values of windows can be inverted. This simple inversion makes it much easier to read text in many situations and is often quite easier on the eyes. Neg is as simple as Super+n.
Zoom In
Zoom In, this screenshot is a full screen image! The screen itself is zoomed...
> Forget Your Reading Glasses
Websites keep using smaller and smaller text as screen resolutions keep getting bigger and bigger. Reading on the computer without binoculars is getting harder and harder, but Beryl can give you a virtual telescope!
> Zoomed Interaction
Beryl offers a proportional zoom that allows users to interact with their desktop while zoomed, working with tiny text, and tiny widgets was never easier. Super + Mouse Scroll is all it takes to help your eyes out.
> Future Hopes
Sometime in the future Beryl hopes to implement the GNOME Mag API, giving proper zoom support to the visually impaired. This combined with the current Neg plugin *inverts the color values on your screen* is a very potent combination.
Blur Effects
Blur behind your terminal and get rid of those hard lines... (view full image to see blur)
> Eliminate the Clutter
One of the longstanding issues of transparent terminals been that reading the text over whatever was behind it became very difficult. Beryl allows users to blur what is behind their windows effectively removing hard lines that making reading difficult.
> Read Your Titlebar
Blur can also be used to blur what is behind your titlebar if your decorations are transparent. In fact, it can blur behind just about any transparent window, even those using a non-standard shape such as Cairo-Clock.
> Take It Easy GPU
Blur strives to be easier on the GPU by taking advantage of caching techniques and having many different shaders of variable strength to allow lower end cards to work more smoothly. Blur can even be used on cards without pixel shaders.
Window Decorations
Beryl by design needs special window decorators, three are available...
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