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MaskFilter
open class MaskFilter
MaskFilter is the base class for object that perform transformations on an alpha-channel mask before drawing it. A subclass of MaskFilter may be installed into a Paint. Blur and emboss are implemented as subclasses of MaskFilter.
Summary
| Protected methods |
| open Unit |
|
Public constructors
Protected methods
finalize
protected open fun finalize(): Unit
| Exceptions |
java.lang.Throwable |
the Exception raised by this method |
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Last updated 2025-02-10 UTC.
[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Missing the information I need","missingTheInformationINeed","thumb-down"],["Too complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-02-10 UTC."],[],[],null,["# MaskFilter\n\nAdded in [API level 1](https://developer.android.com/guide/topics/manifest/uses-sdk-element.html#ApiLevels)\n\nMaskFilter\n==========\n\n*** ** * ** ***\n\nKotlin \\|[Java](/reference/android/graphics/MaskFilter \"View this page in Java\") \n\n```\nopen class MaskFilter\n```\n\n|---|----------------------------------|\n| [kotlin.Any](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-any/index.html) ||\n| ↳ | [android.graphics.MaskFilter](#) |\n\n|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|\n| Known Direct Subclasses [BlurMaskFilter](/reference/kotlin/android/graphics/BlurMaskFilter), [EmbossMaskFilter](/reference/kotlin/android/graphics/EmbossMaskFilter) |-------------------------------------------------------------------------|----------------------------------------------------------------| | [BlurMaskFilter](/reference/kotlin/android/graphics/BlurMaskFilter) | This takes a mask, and blurs its edge by the specified radius. | | [EmbossMaskFilter](/reference/kotlin/android/graphics/EmbossMaskFilter) | \u003cbr /\u003e | |\n\nMaskFilter is the base class for object that perform transformations on an alpha-channel mask before drawing it. A subclass of MaskFilter may be installed into a Paint. Blur and emboss are implemented as subclasses of MaskFilter.\n\nSummary\n-------\n\n| Public constructors ||\n|----------------------------------------|---|\n| [MaskFilter](#MaskFilter())`()` \u003cbr /\u003e |\n\n| Protected methods ||\n|-----------------------------------------------------------------------------------|------------------------------------|\n| open [Unit](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-unit/index.html) | [finalize](#finalize())`()` \u003cbr /\u003e |\n\nPublic constructors\n-------------------\n\n### MaskFilter\n\n```\nMaskFilter()\n```\n\nProtected methods\n-----------------\n\n### finalize\n\nAdded in [API level 1](https://developer.android.com/guide/topics/manifest/uses-sdk-element.html#ApiLevels) \n\n```\nprotected open fun finalize(): Unit\n```\n\n| Exceptions ||\n|-----------------------|---------------------------------------|\n| `java.lang.Throwable` | the `Exception` raised by this method |"]]
