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...

How

...

is

...

the

...

color

...

value

...

specified

...

in

...

the

...

database

...

table?

...

Answer:

...

Each

...

color

...

has

...

a

...

designated

...

RGB

...

value.

...

The

...

integer

...

value

...

(long)

...

may

...

be

...

calculated

...

for

...

the

...

color

...

parameter,

...

then

...

specified

...

in

...

the

...

database

...

table,

...

through

...

the

...

following

...

formula:

...

  • Color

...

  • parameter

...

  • =

...

  • R

...

  • +

...

  • G

...

  • *

...

  • 256

...

  • +

...

  • B

...

  • *

...

  • 2562

    where R,

...

  • G,

...

  • and

...

  • B

...

  • may

...

  • be

...

  • 0

...

  • -

...

  • 255

...

For

...

example,

...

blue

...

has

...

a

...

RGB

...

value

...

of

...

(0,

...

0,

...

255),

...

therefore

...

its

...

color

...

parameter

...

is

...

0

...

+

...

0

...

*

...

256

...

+

...

255

...

*

...

256

...

2 =

...

16711680.

...