In the Linux kernel the colour is defined as RGB555 with 16bits per pixel.
The RFS has the following definitions for display:
Qt Code: 
  1. -qt-gfx-transformed \
  2.                 -qt-gfx-vnc \
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Following configurations are made for the display:
Qt Code: 
  1. export QWS_SIZE=480X272
  2. 	export QWS_DISPLAY=VNC:LinuxFb
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I find that the display on LCD is proper, but, different section of display on VNC is not visible.
I tried including the depth in the display settings as shown below, but there was no change.
Qt Code: 
  1. export QWS_DEPTH=16
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Why is the display not clear in VNC? What additional settings have to be made to get a proper display on VNC?