_FillGradient
void _FillGradient(BView* view, const BRect& rect,
_FillGradient(view, rect, customColor, topTint, bottomTint);
_FillGradient(view, rect, selectedColor, topTint, bottomTint);
_FillGradient(view, rect, base, gradient1Tint, gradient2Tint,
_FillGradient(view, rect, base, gradient1Tint, gradient2Tint,
_FillGradient(view, barRect, fillColor, fillShadowTint, fillLightTint,
_FillGradient(view, barRect, fillColor, fillShadowTint, fillLightTint,
_FillGradient(view, rect, base, topTint, bottomTint);
_FillGradient(view, rect, selectedColor, bottomTint, topTint);
_FillGradient(view, nonfilledRect, base, 0.25, 0.06);
_FillGradient(view, rect, base, 0.4, 0.2);
_FillGradient(view, rect, base, 0.15, 0.0);
_FillGradient(view, rect, base, gradient1Tint, gradient2Tint,
_FillGradient(view, rect, base, gradient1Tint, gradient2Tint,