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4.2.2 Color capabilities of Argus
Visual classes
For operating your A
RGUS
which kind of application is to be displayed and which graphic card is used:
•
DirectColor, 16bit (R: 5bit, G: 6bit, B: 5bit) for displaying video
bit (R: 5bit, G: 6bit, B: 5bit) for displaying video
16
2
= 64K colors can be displayed. Shared and private color cells are available.
•
DirectColor, 32bit (R: 8bit, G: 8bit, B: 8bit) for displaying video
24
2
= 16M colors can be displayed. Shared and private color cells are available.
•
TrueColor, 16bit (R: 5bit, G: 6bit, B: 5bit) for displaying video
16bit (R: 5bit, G: 6bit, B: 5bit) for displaying video
16
2
= 64K colors can be displayed. The possible RGB values in the color map are predefined in equidistant
steps. Thus it is guaranteed that the whole spectrum of colors is covered.
•
TrueColor, 32bit (R: 8bit, G: 8bit, B: 8bit) for displaying video
24
2
= 16M colors can be displayed. The possible RGB values in the color map are predefined in equidistant
steps. Thus it is guaranteed that the whole spectrum of colors is covered.
•
PseudoColor, 8bit with NearBy Color Allocation
with NearBy Color Allocation for displaying pure 8 bit applications
8
2
= 256 colors out of 256
mum number of shared and private color cells together is 256.
NearBy color allocation
X clients may exit on an allocation of a shared or private color cell, if the color map is already full and the re-
quested color cell is not included in the color map, yet. However, the NearBy Color Allocation guarantees, that
each request for a shared color cell returns a color cell, whether or not the color map is already full or an entry in
the color map matches the request. Please, refer to section
OmniScaler
The O
S
enables to display video and RGB sources no matter in what color mode and color depth the
MNI
CALER
X server operates. If it operates in 8 bit PseudoColor mode, the video and RGB window respectively is displayed
in 16 bit TrueColor mode. Complete correlation between color mode of the X Server and the video/RGB window
is listed in the table below.
Module video
With Module Video the video or RGB signals of the Q
RGB I
C
are displayed without borders and fitted to complete projection modules (1 to n×n, depending on
NPUT
ARD
configuration). Like with the O
erates in 8 bit PseudoColor mode. If the X
PseudoColor mode. If the X server operates in other color modes, the Module Video is displayed in
the same color mode as the X server. Please, refer to section
Module Video is especially helpful to display video with an X server in 8 bit PseudoColor mode on an A
analog output mode.
Barco – Argus X Terminal – DOC-3265-2 – user's manual – Revision 04 – May-2004
you can use the following combinations of visual class and color depth, depending on
Shared and private color cells are available.
3
= 16M can be displayed. Shared and private color cells are available. The maxi-
S
the Module Video is displayed in 16 bit TrueColor when the X server op-
MNI
CALER
6.2.8 Nearby color allocation
A
V
C
, B
UAD
NALOG
IDEO
ARD
4.6.3 The Xvideo client
_________________________________________________________________________
4. Operating
for more details.
V
C
, D
RGB I
IG
IDEO
ARD
UAL
NPUT
(1 to n×n, depending on
for more details.
C
or
ARD
in
RGUS
4-5
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