Planar Dome RX/PCI, Руководство по установке, Страница: 88 / 98

78 | Appendix B
Nonlinear static gray palette
The nonlinear static gray palette sets the first and last 10 palette
entries to gray-mapped Windows colors. The middle 236 entries
are ramped in ascending order, excluding the first and last
10 palette entries. Windows applications that use the first
and last 10 palette entries as Windows colors display correctly
on the screen.
Although the nonlinear static gray palette provides correct
colors for applications using the Windows palette, colors
display incorrectly if the application assumes that a static
palette is always ramped.
To run DOME calibration software with the nonlinear static
gray palette, use Calibration TQA 2.0.3 or later.
Static gray palette
The static gray palette provides 256 shades of gray in
a static palette. This palette does not reserve the first and
last 10 palette entries for icons and other standard Windows
graphics, which frees the entire grayscale ramp for applications.
The static gray palette does not provide gray-mapped
Windows colors for the first and last 10 palette entries.
Because the framebuffer assumes the Windows palette is
in use, applications that draw directly to the framebuffer
display incorrectly. For example, icons and button bitmaps
may display in black and white.
Applications cannot set the nonlinear static gray palette.
They must read the palette from the operating system
and use it when drawing directly to the framebuffer.
Application colors display incorrectly if the application
assumes all 8-bit framebuffers have palettes that can be set.