litho-widget-kotlin/com.facebook.litho.widget.canvas

Package-level declarations

Types

CanvasComponent

class CanvasComponent(layerType: CanvasLayerType = DEFAULT_CANVAS_LAYER_TYPE, matrixPoolSize: Int = CanvasState.DEFAULT_MATRIX_POOL_SIZE, pathCacheSize: Int = CanvasState.DEFAULT_PATH_CACHE_SIZE, style: Style? = null, block: CanvasScope.() -> Unit) : PrimitiveComponent

The Canvas Component which provides a means for drawing 2D graphics.

class CanvasScope

value class Gradient

GradientColorAndPosition

data class GradientColorAndPosition(@ColorInt val color: Int, val position: Float)

A definition for a position and its corresponding color in a gradient.

value class Path

class PathScope

value class Shading

value class Shadow

value class Shape

value class Transform

A transform which holds a 3x3 matrix for transforming coordinates.

class TransformScope

Functions

infix fun Int.at(position: Float): GradientColorAndPosition

fun Gradient(vararg colorsAndPositions: GradientColorAndPosition): Gradient

fun Gradient(@ColorInt vararg colors: Int): Gradient

A smooth transition between colors for drawing gradients.

fun Path(fillRule: FillRule = DEFAULT_FILL_RULE, block: PathScope.() -> Unit): Path

A path which contains a mathematical description of shapes or lines to be drawn on a Canvas.

fun Shadow(dx: Float, dy: Float, radius: Float, @ColorInt color: Int): Shadow

A shadow which should be drawn under a shape on a Canvas.

fun Transform(a: Float = 1.0f, b: Float = 0.0f, c: Float = 0.0f, d: Float = 1.0f, tx: Float = 0.0f, ty: Float = 0.0f, block: TransformScope.() -> Unit): Transform

Creates a transform which holds a 3x3 matrix for transforming coordinates.