# ColorSpace.Rgb.TransferParameters Added in[API level 26](https://developer.android.com/guide/topics/manifest/uses-sdk-element.html#ApiLevels) # TransferParameters *** ** * ** *** Kotlin\|[Java](https://developer.android.com/reference/android/graphics/ColorSpace.Rgb.TransferParameters "View this page in Java") ``` open class TransferParameters ``` |---|----------------------------------------------------------------------------------------------------------------------------------------------------------| | [kotlin.Any](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-any/index.html) || | ↳ | [android.graphics.ColorSpace.Rgb.TransferParameters](https://developer.android.com/reference/kotlin/android/graphics/ColorSpace.Rgb.TransferParameters#) | Defines the parameters for the ICC parametric curve type 4, as defined in ICC.1:2004-10, section 10.15. The EOTF is of the form: \\(\\begin{equation} Y = \\begin{cases}c X + f \& X \\lt d \\\\\\ \\left( a X + b \\right) \^{g} + e \& X \\ge d \\end{cases} \\end{equation}\\) The corresponding OETF is simply the inverse function. The parameters defined by this class form a valid transfer function only if all the following conditions are met: - No parameter is a[Not-a-Number](https://developer.android.com/reference/kotlin/java/lang/Double.html#isNaN(kotlin.Double)) - \\(d\\) is in the range \\(\[0..1\]\\) - The function is not constant - The function is positive and increasing ## Summary | Public constructors || |-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|---| | [TransferParameters](https://developer.android.com/reference/kotlin/android/graphics/ColorSpace.Rgb.TransferParameters#TransferParameters(kotlin.Double,%20kotlin.Double,%20kotlin.Double,%20kotlin.Double,%20kotlin.Double))`(`a:` `[Double](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-double/index.html)`, `b:` `[Double](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-double/index.html)`, `c:` `[Double](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-double/index.html)`, `d:` `[Double](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-double/index.html)`, `g:` `[Double](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-double/index.html)`)` Defines the parameters for the ICC parametric curve type 3, as defined in ICC. | | [TransferParameters](https://developer.android.com/reference/kotlin/android/graphics/ColorSpace.Rgb.TransferParameters#TransferParameters(kotlin.Double,%20kotlin.Double,%20kotlin.Double,%20kotlin.Double,%20kotlin.Double,%20kotlin.Double,%20kotlin.Double))`(`a:` `[Double](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-double/index.html)`, `b:` `[Double](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-double/index.html)`, `c:` `[Double](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-double/index.html)`, `d:` `[Double](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-double/index.html)`, `e:` `[Double](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-double/index.html)`, `f:` `[Double](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-double/index.html)`, `g:` `[Double](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-double/index.html)`)` Defines the parameters for the ICC parametric curve type 4, as defined in ICC. | | Public methods || |----------------------------------------------------------------------------------------|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------| | open[Boolean](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-boolean/index.html) | [equals](https://developer.android.com/reference/kotlin/android/graphics/ColorSpace.Rgb.TransferParameters#equals(kotlin.Any))`(`other:` `[Any](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-any/index.html)?`)`
| | open[Int](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-int/index.html) | [hashCode](https://developer.android.com/reference/kotlin/android/graphics/ColorSpace.Rgb.TransferParameters#hashCode())`()`
| | Properties || |----------------------------------------------------------------------------------|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------| | [Double](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-double/index.html) | [a](https://developer.android.com/reference/kotlin/android/graphics/ColorSpace.Rgb.TransferParameters#a:kotlin.Double) Variable \\(a\\) in the equation of the EOTF described above. | | [Double](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-double/index.html) | [b](https://developer.android.com/reference/kotlin/android/graphics/ColorSpace.Rgb.TransferParameters#b:kotlin.Double) Variable \\(b\\) in the equation of the EOTF described above. | | [Double](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-double/index.html) | [c](https://developer.android.com/reference/kotlin/android/graphics/ColorSpace.Rgb.TransferParameters#c:kotlin.Double) Variable \\(c\\) in the equation of the EOTF described above. | | [Double](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-double/index.html) | [d](https://developer.android.com/reference/kotlin/android/graphics/ColorSpace.Rgb.TransferParameters#d:kotlin.Double) Variable \\(d\\) in the equation of the EOTF described above. | | [Double](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-double/index.html) | [e](https://developer.android.com/reference/kotlin/android/graphics/ColorSpace.Rgb.TransferParameters#e:kotlin.Double) Variable \\(e\\) in the equation of the EOTF described above. | | [Double](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-double/index.html) | [f](https://developer.android.com/reference/kotlin/android/graphics/ColorSpace.Rgb.TransferParameters#f:kotlin.Double) Variable \\(f\\) in the equation of the EOTF described above. | | [Double](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-double/index.html) | [g](https://developer.android.com/reference/kotlin/android/graphics/ColorSpace.Rgb.TransferParameters#g:kotlin.Double) Variable \\(g\\) in the equation of the EOTF described above. | ## Public constructors ### TransferParameters Added in[API level 26](https://developer.android.com/guide/topics/manifest/uses-sdk-element.html#ApiLevels) ``` TransferParameters(     a: Double,     b: Double,     c: Double,     d: Double,     g: Double) ``` Defines the parameters for the ICC parametric curve type 3, as defined in ICC.1:2004-10, section 10.15. The EOTF is of the form: \\(\\begin{equation} Y = \\begin{cases}c X \& X \\lt d \\\\\\ \\left( a X + b \\right) \^{g} \& X \\ge d \\end{cases} \\end{equation}\\) This constructor is equivalent to setting \\(e\\) and \\(f\\) to 0. | Parameters || |-----|---------------------------------------------------------------------------------------------------------------------------------------------------| | `a` | [Double](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-double/index.html):The value of \\(a\\) in the equation of the EOTF described above | | `b` | [Double](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-double/index.html):The value of \\(b\\) in the equation of the EOTF described above | | `c` | [Double](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-double/index.html):The value of \\(c\\) in the equation of the EOTF described above | | `d` | [Double](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-double/index.html):The value of \\(d\\) in the equation of the EOTF described above | | `g` | [Double](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-double/index.html):The value of \\(g\\) in the equation of the EOTF described above | | Exceptions || |--------------------------------------|-----------------------------------------------------| | `java.lang.IllegalArgumentException` | If the parameters form an invalid transfer function | ### TransferParameters Added in[API level 26](https://developer.android.com/guide/topics/manifest/uses-sdk-element.html#ApiLevels) ``` TransferParameters(     a: Double,     b: Double,     c: Double,     d: Double,     e: Double,     f: Double,     g: Double) ``` Defines the parameters for the ICC parametric curve type 4, as defined in ICC.1:2004-10, section 10.15. | Parameters || |-----|---------------------------------------------------------------------------------------------------------------------------------------------------| | `a` | [Double](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-double/index.html):The value of \\(a\\) in the equation of the EOTF described above | | `b` | [Double](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-double/index.html):The value of \\(b\\) in the equation of the EOTF described above | | `c` | [Double](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-double/index.html):The value of \\(c\\) in the equation of the EOTF described above | | `d` | [Double](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-double/index.html):The value of \\(d\\) in the equation of the EOTF described above | | `e` | [Double](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-double/index.html):The value of \\(e\\) in the equation of the EOTF described above | | `f` | [Double](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-double/index.html):The value of \\(f\\) in the equation of the EOTF described above | | `g` | [Double](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-double/index.html):The value of \\(g\\) in the equation of the EOTF described above | | Exceptions || |--------------------------------------|-----------------------------------------------------| | `java.lang.IllegalArgumentException` | If the parameters form an invalid transfer function | ## Public methods ### equals Added in[API level 26](https://developer.android.com/guide/topics/manifest/uses-sdk-element.html#ApiLevels) ``` open fun equals(other: Any?): Boolean ``` | Parameters || |-------|---------------------------------------------| | `obj` | the reference object with which to compare. | | Return || |------------------------------------------------------------------------------------|------------------------------------------------------------------------| | [Boolean](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-boolean/index.html) | `true`if this object is the same as the obj argument;`false`otherwise. | ### hashCode Added in[API level 26](https://developer.android.com/guide/topics/manifest/uses-sdk-element.html#ApiLevels) ``` open fun hashCode(): Int ``` | Return || |----------------------------------------------------------------------------|------------------------------------| | [Int](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-int/index.html) | a hash code value for this object. | ## Properties ### a Added in[API level 26](https://developer.android.com/guide/topics/manifest/uses-sdk-element.html#ApiLevels) ``` val a: Double ``` Variable \\(a\\) in the equation of the EOTF described above. ### b Added in[API level 26](https://developer.android.com/guide/topics/manifest/uses-sdk-element.html#ApiLevels) ``` val b: Double ``` Variable \\(b\\) in the equation of the EOTF described above. ### c Added in[API level 26](https://developer.android.com/guide/topics/manifest/uses-sdk-element.html#ApiLevels) ``` val c: Double ``` Variable \\(c\\) in the equation of the EOTF described above. ### d Added in[API level 26](https://developer.android.com/guide/topics/manifest/uses-sdk-element.html#ApiLevels) ``` val d: Double ``` Variable \\(d\\) in the equation of the EOTF described above. ### e Added in[API level 26](https://developer.android.com/guide/topics/manifest/uses-sdk-element.html#ApiLevels) ``` val e: Double ``` Variable \\(e\\) in the equation of the EOTF described above. ### f Added in[API level 26](https://developer.android.com/guide/topics/manifest/uses-sdk-element.html#ApiLevels) ``` val f: Double ``` Variable \\(f\\) in the equation of the EOTF described above. ### g Added in[API level 26](https://developer.android.com/guide/topics/manifest/uses-sdk-element.html#ApiLevels) ``` val g: Double ``` Variable \\(g\\) in the equation of the EOTF described above.