CHAPTER 4
280
Graphics
formation function that converts from the two tint components to colors in the
alternate
CalRGB
color space.
Example 4.17
10 0 obj
[ /Indexed
[ /DeviceN
[ /Cyan /Black ]
/DeviceCMYK
15 0 R
]
255
< 6605 6806 6907 6B09 6C0A … >
]
endobj
15 0 obj
<< /FunctionType 4
/Domain [ 0.0 1.0 0.0 1.0 ]
/Range [ 0.0 1.0 0.0 1.0 0.0 1.0 0.0 1.0 ]
/Length 16
>>
stream
{ 0 0 3
−1
roll }
endstream
endobj
Example 4.18
30 0 obj
% Color space
[ /Indexed
[ /DeviceN
[ /Black /Gold ]
[ /CalRGB
<< /WhitePoint [ 1.0 1.0 1.0 ]
/Gamma [ 2.2 2.2 2.2 ]
>>
]
35 0 R
% Tint transformation function
]
255
… Lookup table …
]
endobj
% Color space
% Tint transformation function