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NAME

GetRGB4: Inquire value of entry in ColorMap.

SYNOPSIS

value = GetRGB4( colormap, entry )

d0 a0 d0

ULONG GetRGB4(struct ColorMap *, LONG);

FUNCTION

Read and format a value from the ColorMap.

INPUTS

colormap: pointer to ColorMap structure
entry: index into colormap

RESULT

returns -1 if no valid entry. Return UWORD RGB value 4 bits per gun right justified

NOTES

Intuition's DisplayBeep() changes color 0. Reading Color 0 during a DisplayBeep() will lead to incorrect results.

SEE ALSO

SetRGB4() LoadRGB4() GetColorMap() FreeColorMap() graphics/view.h