HP Visualize J5000 hp workstations - hp-ux 10.20 graphics administration guide - Page 70

Supported Screen Options, HP VISUALIZE-FX Configuration Hints

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Supported Screen Options The following Screen Options are supported: • CountTransparentInOverlayVisual • ImageTextViaBitMap • EnableIncludeInferiorsFix • Enable12BitPseudoColorVisual • DisableGlxVisuals The following additional screen options are supported on the HP VISUALIZE-FX2, HP VISUALIZEFX4 (stereo mode) and HP VISUALIZE-FX6 (stereo mode): • Disable12BitDirectColorVisual • Disable12BitTrueColorVisual The following additional screen options are supported on the HP VISUALIZE-FX4 (non-stereo mode) and HP VISUALIZE-FX6 (non-stereo mode): • Enable12BitDirectColorVisual • Enable12BitTrueColorVisual HP VISUALIZE-FX Configuration Hints Overlay Visuals and Overlay Transparency HP VISUALIZE-FX2/4/6 devices have two visuals in the overlay planes, both depth-8 PseudoColor. The first (default) overlay visual has 256 entries per colormap and no transparency. The second overlay visual has 255 entries per colormap and supports transparency. To allow applications to determine which visuals are in the overlay planes, both overlay visuals are listed in the "SERVER_OVERLAY_VISUALS" property attached to the root window. The default overlay visual has a transparent type of "0" (None) while the transparent overlay visual has a transparent type of "1" (TransparentPixel). If you need an overlay colormap that supports transparency, create the colormap using the visual that has transparency in its SERVER_OVERLAY_VISUALS property. To look at the contents of this property, you would use code similar to the following: { typedef struct { VisualID overlayVisualID; Card32 transparentType;/* None, TransparentPixel, TransparentMask */ Card32 value; /* Either pixel value or pixel mask */ Card32 layer; Page 70 Graphics Administration Guide for HP-UX 10.20

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Supported Screen Options
The following Screen Options are supported:
•
CountTransparentInOverlayVisual
•
ImageTextViaBitMap
•
EnableIncludeInferiorsFix
•
Enable12BitPseudoColorVisual
•
DisableGlxVisuals
The following additional screen options are supported on the HP VISUALIZE-FX2, HP VISUALIZE-
FX4 (stereo mode) and HP VISUALIZE-FX6 (stereo mode):
•
Disable12BitDirectColorVisual
•
Disable12BitTrueColorVisual
The following additional screen options are supported on the HP VISUALIZE-FX4 (non-stereo mode)
and HP VISUALIZE-FX6 (non-stereo mode):
•
Enable12BitDirectColorVisual
•
Enable12BitTrueColorVisual
HP VISUALIZE-FX Configuration Hints
Overlay Visuals and Overlay Transparency
HP VISUALIZE-FX2/4/6 devices have two visuals in the overlay planes, both depth-8 PseudoColor.
The first (default) overlay visual has 256 entries per colormap and no transparency. The second overlay
visual has 255 entries per colormap and supports transparency.
To allow applications to determine which visuals are in the overlay planes, both overlay visuals are
listed in the "
SERVER_OVERLAY_VISUALS
" property attached to the root window. The default overlay
visual has a transparent type of "0" (None) while the transparent overlay visual has a transparent type of
"1" (TransparentPixel).
If you need an overlay colormap that supports transparency, create the colormap using the visual that
has transparency in its
SERVER_OVERLAY_VISUALS
property. To look at the contents of this property,
you would use code similar to the following:
{
typedef struct {
VisualID
overlayVisualID;
Card32
transparentType;/* None, TransparentPixel, TransparentMask */
Card32
value;
/* Either pixel value or pixel mask */
Card32
layer;
Graphics Administration Guide for HP-UX 10.20
Page 70