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Joined: 24 Aug 2005
Location: Karlsruhe, Germany
|Posted: Thu 29 Dec 2005, 00:56 Post_subject:
HowTo use Shadows
Shadows for Windows look great, but you often can read about problems with them:
- corrupted Titlebars
- background problems
This article helps you, to solve these problems.
I have very fast shadows on an old Pentium 700 with an old ATI Radeon 7000 at 1280x1024 pixel resolution with 24 bit colordepth.
See a fullscreen-picture here: (300 kb):
You will need the X.org -Xserver, thats to say Puppy 1.0.7 or my X.org Dotpup for older Puppys.
Step 1: The xserver
Skip this step, if you have no ATI-Graficscard.
The xorg-wizard installed an "ati"-driver.
I found a better solution, the driver called "radeon"
Exit X (hit CTRL-ALT-Backspace).
To edit the config, type:
Search the line
replace it with
Save your changes (CTRL-a).
To test if it works, start X:
Step 2: DRI
DRI enables 2D-Hardware-accelleration.
Step 3: Optimizing X
Again, edit xorg.conf like in step 1.
This time, activate some of the options by uncommenting them (remove the leading "#").
You should have these lines:
| Option "AGPMode" # <i>
Option "AGPFastWrite" # [<bool>]
Option "EnableDepthMoves" # [<bool>]
Option "EnablePageFlip" # [<bool>]
Option "NoBackBuffer" # [<bool>]
Option "DDCMode" # [<bool>]
Option "RenderAccel" # [<bool>]
I don't know if every option is needed, but for me they work ok.
I also commented this line:
|# Option "omit xfree86-dga" # don't initialise the DGA extension |
Step 4: Activating shadows
Install this Dotpup (54 kb):
I slightly modified the program, to avoid crashes.
Again, edit xorg.conf.
In the end, add these lines:
Option "Composite" "Enable"
Option "RENDER" "Enable"
In a console, type "xcompmgr -c"
Now your windows should have shadows.
If you have bad luck, your background looks totally corrupted, and your window-decoration looks not perfect, either. The next steps fix that.
Step 5: The Windowmanager
I use Fluxbox with the "Aqua-Theme.
With shadows enabled, the corners are not transparent.
So edit /root/.fluxbox/init
Search these values, and alter them as shown here.
Step 6: Setting the background
If you have a corrupted background, we need to trick out the xcompmgr.
Install this Dotpup (130 kb):
Then open ROX-Filer, and drag the file /usr/local/bin/shadow-background to your Desktop.
Now you can enable shadows and a backgroundpicture of your choice by dragging a picture on this new icon.
Sometimes this must be twice or 3 times, that is a timing-bug in xcompmgr.
To stop shadows, type "killall xcompmgr" in a console.
The only problem, that still might remain:
When you resize a window, the background might not be drawn correct.
In this case, drag /usr/local/bin/xrefresh to your desktop, and click it to clean up the desktop.
Maybe this problem can be solved with some more tweaking.
It also depends on the Windowmanager you use.
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