LCMS2ToneCurveMBS.BuildGamma(context as LCMS2ContextMBS, gamma as Double) as LCMS2ToneCurveMBS

dim t as LCMS2ToneCurveMBS = LCMS2ToneCurveMBS.BuildGamma(nil, 2.2)
MsgBox str(t.EstimateGamma)

Builds a parametric curve of type 1.

Context: user-defined context object.
Gamma: Value of gamma exponent

Returns a newly created tone curve object on success, nil on error.

Some examples using this method:

• /Images/LCMS2/Create a CMYK Profile
• /Images/LCMS2/Create Profile

LCMS2ToneCurveMBS.BuildParametricToneCurve(context as LCMS2ContextMBS, Type as Integer, params() as Double) as LCMS2ToneCurveMBS

Parameters:
context: user-defined context object.
Type: Number of parametric tone curve. (see LCMS2 manual)
Params: Array of tone curve parameters.

Returns a newly created tone curve object on success, nil on error.

LCMS2ToneCurveMBS.BuildSegmentedToneCurve(context as LCMS2ContextMBS, Segments() as LCMS2CurveSegmentMBS) as LCMS2ToneCurveMBS

context: Puser-defined context object
Segments: Array of segments

Returns a newly created tone curve object on success, nil on error.

LCMS2ToneCurveMBS.BuildTabulatedToneCurve(context as LCMS2ContextMBS, values() as Single) as LCMS2ToneCurveMBS

dim values(-1) as Single

for i as Integer = 0 to 9
  values.Append 0.5 + i*0.02
next

dim t as LCMS2ToneCurveMBS = LCMS2ToneCurveMBS.BuildTabulatedToneCurve(nil, values)

dim items(-1) as string
for i as Integer = 0 to 10
  dim v as Single = t.EvalToneCurveFloat(i/10.0)
  items.Append str(i/10.0)+" -> "+str(v)
next

MsgBox Join(items,EndOfLine)

Tone curves built with this function are not restricted to 0...1.0 domain.

context: user-defined context object.
values: Array of samples. Domain of samples is 0...1.0

Returns a newly created tone curve object on success, nil on error.

See also:

• BuildTabulatedToneCurve(context as LCMS2ContextMBS, values() as UInt16) as LCMS2ToneCurveMBS

LCMS2ToneCurveMBS.BuildTabulatedToneCurve(context as LCMS2ContextMBS, values() as UInt16) as LCMS2ToneCurveMBS

context: user-defined context object.
values: Array of samples. Domain is 0...65535 (UInt32).

Returns a newly created tone curve object on success, nil on error.

See also:

• BuildTabulatedToneCurve(context as LCMS2ContextMBS, values() as Single) as LCMS2ToneCurveMBS

LCMS2ToneCurveMBS.JoinToneCurve(context as LCMS2ContextMBS, X as LCMS2ToneCurveMBS, Y as LCMS2ToneCurveMBS, nPoints as UInt32) as LCMS2ToneCurveMBS

context: user-defined context object.
X, Y : Tone curve objects.
nPoints: Sample rate for resulting tone curve.

Returns a newly created tone curve object on success, nil on error.