Computer Graphics Questions & Answers – Area Fill Attributes

1. A basic fill style is selected in a PHIGS program with the function
a) setInteriorStyle (fs)
b) setStyle (fs)
c) SetfillStyle (fs)
d) setInteriorStyleIndex (fs)
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2. Which one is not a type of basic fill styles?
a) Hollow
b) solid color
c) Pattern
d) Dark
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3. The process of filling an area with rectangular pattern is called
a) Tiling
b) Linear fill
c) Tint-fill
d) Soft-fill
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4. The algorithm which repaints an area that was originally painted by merging a foreground color F and background color B where F!=B.
a) Tint fill
b) Flood fill
c) Linear soft-fill
d) Boundary fill
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5. The fill color that is combined with the background color is known as
a) Soft fill
b) Tint fill
c) Both a and b
d) None
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6. Hatch fill procedures are implemented to draw
a) Single hatching
b) Cross hatching
c) Either a or b
d) Only b
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7. When 2 background colors B1 and B2 are mixed with foreground color F, the resulting pixel color P is
a) P=t0*F+t1*B1+(1-t0-t1)B2
b) P=t0*F-t1*B1+(1-t0-t1)B2
c) P=t0*F+t1*B1+(1+t0+t1)B2
d) Only a
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8. The operator that is used for combining a fill pattern with a background pattern is
a) AND operator
b) OR operator
c) X-OR operator
d) All of these
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9. Hollow areas are displayed using only the
a) Boundary outline
b) Line-drawing routine
c) Hatched patterns
d) Closed poly line
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10. Options for filling a defined region include a choice between__________
a) Solid color or a pattern fill
b) Choices for particular colors and pattern
c) Both a and b
d) None
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Sanfoundry Global Education & Learning Series – Computer Graphics.

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