xrandr, xvattr

by tangke 2009-08-20

本文主要讲解xrandr,xvattr软件的使用。
dpkg -S /usr/bin/xrandr
x11-xserver-utils

1.xrandr
Screen 0: minimum 320 x 200, current 1024 x 768, maximum 1024 x 1024
VGA-0 disconnected (normal left inverted right x axis y axis)
LVDS connected 1024x768+0+0 (normal left inverted right x axis y axis) 0mm x 0mm
   1024x768       60.0*+   60.0 
   800x600        60.3     59.9 
   640x480        59.9     59.4 

2.xrandr --output LVDS --rotate left
这是我们可以看到屏幕图像发生了颠倒.

3.xrandr --output LVDS --rotate normal
正常

4.apt-get install xvattr

5.xvattr
xvattr应该是一个改变显示器物理属性的一个工具。

   Name: XV_HUE
   Flags: XvGettable XvSettable
   Min value: -1000
   Max value: 1000
   Current value: 0
  Name: XV_RED_INTENSITY
   Flags: XvGettable XvSettable
   Min value: -1000
   Max value: 1000
   Current value: 0
  Name: XV_GREEN_INTENSITY
   Flags: XvGettable XvSettable
   Min value: -1000
   Max value: 1000
   Current value: 500
  Name: XV_BLUE_INTENSITY
   Flags: XvGettable XvSettable
   Min value: -1000
   Max value: 1000
   Current value: 0
  Name: XV_CRTC
   Flags: XvGettable XvSettable
   Min value: -1
   Max value: 1
   Current value: -1
  Name: XV_GAMMA
   Flags: XvGettable XvSettable
   Min value: 100
   Max value: 10000
   Current value: 1000
  Name: XV_COLORSPACE
   Flags: XvGettable XvSettable
   Min value: 0
   Max value: 1
   Current value: 0

6.tangke@tangke-laptop:~$ xvattr  -a XV_GREEN_INTENSITY -v 500
Found Xv 2.2
XV_GREEN_INTENSITY set to 500