Display Controller 47
palette mode, these entries are made up from entries in the bottom or
the top of the gray ramp.
More information about Palette Modes is available through the on-line
help.
Drawing Modes
In the Drawing Mode section you can choose from the following
Drawing Modes. If any of the options in this section are grayed out, then
they are not available for the model controller with which you are
working.
Enable DirectDraw: This option allows the user to enable or disable
DirectDraw. DirectDraw is a software interface that provides direct access
to display devices while maintaining compatibility with the Windows
graphics device interface (GDI). DirectDraw is enabled by default.
More information about DirectDraw is available through the on-line help.
Enable Dithering: This option allows the user to enable or disable
dithering. Dithering is a technique for increasing the perceived range of
colors in an image at the cost of spatial resolution.
If you are unsure whether or not your application requires this
“Static Gray Palette with NO System colors” mode, contact your
application provider.
This option is only available when the User Modifiable Palette
mode is selected. If either the Static Gray Palette including
Standard System Colors mode or the Static Gray Palette with
NO System colors mode is selected, the “Enable Dithering”
check box will be grayed-out, and dithering will be
automatically disabled.
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