CanvasDrawScope

Implementation of DrawScope that issues drawing commands into the specified canvas and bounds via CanvasDrawScope.draw

Summary

Public constructors
Cmn

Public functions
inline Unit
draw(
    density: Density,
    layoutDirection: LayoutDirection,
    canvas: Canvas,
    size: Size,
    block: DrawScope.() -> Unit
)

Draws into the provided Canvas with the commands specified in the lambda with this DrawScope as a receiver
Cmn
open Unit
drawArc(
    brush: Brush,
    startAngle: Float,
    sweepAngle: Float,
    useCenter: Boolean,
    topLeft: Offset,
    size: Size,
    alpha: @FloatRange(from = 0.0, to = 1.0) Float,
    style: DrawStyle,
    colorFilter: ColorFilter?,
    blendMode: BlendMode
)
Cmn
open Unit
drawArc(
    color: Color,
    startAngle: Float,
    sweepAngle: Float,
    useCenter: Boolean,
    topLeft: Offset,
    size: Size,
    alpha: @FloatRange(from = 0.0, to = 1.0) Float,
    style: DrawStyle,
    colorFilter: ColorFilter?,
    blendMode: BlendMode
)
Cmn
open Unit
drawCircle(
    brush: Brush,
    radius: Float,
    center: Offset,
    alpha: @FloatRange(from = 0.0, to = 1.0) Float,
    style: DrawStyle,
    colorFilter: ColorFilter?,
    blendMode: BlendMode
)
Cmn
open Unit
drawCircle(
    color: Color,
    radius: Float,
    center: Offset,
    alpha: @FloatRange(from = 0.0, to = 1.0) Float,
    style: DrawStyle,
    colorFilter: ColorFilter?,
    blendMode: BlendMode
)
Cmn
open Unit
drawImage(
    image: ImageBitmap,
    topLeft: Offset,
    alpha: @FloatRange(from = 0.0, to = 1.0) Float,
    style: DrawStyle,
    colorFilter: ColorFilter?,
    blendMode: BlendMode
)
Cmn
open Unit
drawImage(
    image: ImageBitmap,
    srcOffset: IntOffset,
    srcSize: IntSize,
    dstOffset: IntOffset,
    dstSize: IntSize,
    alpha: @FloatRange(from = 0.0, to = 1.0) Float,
    style: DrawStyle,
    colorFilter: ColorFilter?,
    blendMode: BlendMode,
    filterQuality: FilterQuality
)
Cmn
open Unit
drawLine(
    brush: Brush,
    start: Offset,
    end: Offset,
    strokeWidth: Float,
    cap: StrokeCap,
    pathEffect: PathEffect?,
    alpha: @FloatRange(from = 0.0, to = 1.0) Float,
    colorFilter: ColorFilter?,
    blendMode: BlendMode
)
Cmn
open Unit
drawLine(
    color: Color,
    start: Offset,
    end: Offset,
    strokeWidth: Float,
    cap: StrokeCap,
    pathEffect: PathEffect?,
    alpha: @FloatRange(from = 0.0, to = 1.0) Float,
    colorFilter: ColorFilter?,
    blendMode: BlendMode
)
Cmn
open Unit
drawOval(
    brush: Brush,
    topLeft: Offset,
    size: Size,
    alpha: @FloatRange(from = 0.0, to = 1.0) Float,
    style: DrawStyle,
    colorFilter: ColorFilter?,
    blendMode: BlendMode
)
Cmn
open Unit
drawOval(
    color: Color,
    topLeft: Offset,
    size: Size,
    alpha: @FloatRange(from = 0.0, to = 1.0) Float,
    style: DrawStyle,
    colorFilter: ColorFilter?,
    blendMode: BlendMode
)
Cmn
open Unit
drawPath(
    path: Path,
    brush: Brush,
    alpha: @FloatRange(from = 0.0, to = 1.0) Float,
    style: DrawStyle,
    colorFilter: ColorFilter?,
    blendMode: BlendMode
)
Cmn
open Unit
drawPath(
    path: Path,
    color: Color,
    alpha: @FloatRange(from = 0.0, to = 1.0) Float,
    style: DrawStyle,
    colorFilter: ColorFilter?,
    blendMode: BlendMode
)
Cmn
open Unit
drawPoints(
    points: List<Offset>,
    pointMode: PointMode,
    brush: Brush,
    strokeWidth: Float,
    cap: StrokeCap,
    pathEffect: PathEffect?,
    alpha: @FloatRange(from = 0.0, to = 1.0) Float,
    colorFilter: ColorFilter?,
    blendMode: BlendMode
)
Cmn
open Unit
drawPoints(
    points: List<Offset>,
    pointMode: PointMode,
    color: Color,
    strokeWidth: Float,
    cap: StrokeCap,
    pathEffect: PathEffect?,
    alpha: @FloatRange(from = 0.0, to = 1.0) Float,
    colorFilter: ColorFilter?,
    blendMode: BlendMode
)
Cmn
open Unit
drawRect(
    brush: Brush,
    topLeft: Offset,
    size: Size,
    alpha: @FloatRange(from = 0.0, to = 1.0) Float,
    style: DrawStyle,
    colorFilter: ColorFilter?,
    blendMode: BlendMode
)
Cmn
open Unit
drawRect(
    color: Color,
    topLeft: Offset,
    size: Size,
    alpha: @FloatRange(from = 0.0, to = 1.0) Float,
    style: DrawStyle,
    colorFilter: ColorFilter?,
    blendMode: BlendMode
)
Cmn
open Unit
drawRoundRect(
    brush: Brush,
    topLeft: Offset,
    size: Size,
    cornerRadius: CornerRadius,
    alpha: @FloatRange(from = 0.0, to = 1.0) Float,
    style: DrawStyle,
    colorFilter: ColorFilter?,
    blendMode: BlendMode
)
Cmn
open Unit
drawRoundRect(
    color: Color,
    topLeft: Offset,
    size: Size,
    cornerRadius: CornerRadius,
    style: DrawStyle,
    alpha: @FloatRange(from = 0.0, to = 1.0) Float,
    colorFilter: ColorFilter?,
    blendMode: BlendMode
)
Cmn

Public properties
open Float

The logical density of the display.
Cmn
open DrawContext

The current DrawContext that contains the dependencies needed to create the drawing environment
Cmn
open Float

Current user preference for the scaling factor for fonts.
Cmn
open LayoutDirection

The layout direction of the layout being drawn in.
Cmn

Inherited functions
From androidx.compose.ui.unit.Density
open Int

Convert Dp to Int by rounding
Cmn
open Int

Convert Sp to Int by rounding
Cmn
open Dp

Convert an Int pixel value to Dp.
Cmn
open Dp

Convert a Float pixel value to a Dp
Cmn
open DpSize

Convert a Size to a DpSize.
Cmn
open Float

Convert Dp to pixels.
Cmn
open Float

Convert Sp to pixels.
Cmn
open Rect

Convert a DpRect to a Rect.
Cmn
open Size

Convert a DpSize to a Size.
Cmn
open TextUnit

Convert an Int pixel value to Sp.
Cmn
open TextUnit

Convert a Float pixel value to a Sp
Cmn
From androidx.compose.ui.graphics.drawscope.DrawScope
open Unit
GraphicsLayer.record(size: IntSize, block: DrawScope.() -> Unit)

Record the corresponding drawing commands for this GraphicsLayer instance using the Density, LayoutDirection and IntSize from the provided DrawScope as defaults.
Cmn
From androidx.compose.ui.unit.FontScaling
open Dp

Convert Sp to Dp.
Cmn
open TextUnit

Convert Dp to Sp.
Cmn

Inherited properties
From androidx.compose.ui.graphics.drawscope.DrawScope
open Offset

Center of the current bounds of the drawing environment
Cmn
open Size

Provides the dimensions of the current drawing environment
Cmn

Public constructors

CanvasDrawScope

Cmn
Added in 1.0.0
CanvasDrawScope()

Public functions

draw

Cmn 
inline fun draw(
    density: Density,
    layoutDirection: LayoutDirection,
    canvas: Canvas,
    size: Size,
    block: DrawScope.() -> Unit
): Unit

Draws into the provided Canvas with the commands specified in the lambda with this DrawScope as a receiver

Parameters
density: Density

Density used to assist in conversions of density independent pixels to raw pixels to draw
layoutDirection: LayoutDirection

LayoutDirection of the layout being drawn in.
canvas: Canvas

target canvas to render into
size: Size

bounds relative to the current canvas translation in which the DrawScope should draw within
block: DrawScope.() -> Unit

lambda that is called to issue drawing commands on this DrawScope

drawArc

Cmn 
open fun drawArc(
    brush: Brush,
    startAngle: Float,
    sweepAngle: Float,
    useCenter: Boolean,
    topLeft: Offset,
    size: Size,
    alpha: @FloatRange(from = 0.0, to = 1.0) Float,
    style: DrawStyle,
    colorFilter: ColorFilter?,
    blendMode: BlendMode
): Unit
See also
drawArc

drawArc

Cmn 
open fun drawArc(
    color: Color,
    startAngle: Float,
    sweepAngle: Float,
    useCenter: Boolean,
    topLeft: Offset,
    size: Size,
    alpha: @FloatRange(from = 0.0, to = 1.0) Float,
    style: DrawStyle,
    colorFilter: ColorFilter?,
    blendMode: BlendMode
): Unit
See also
drawArc

drawCircle

Cmn 
open fun drawCircle(
    brush: Brush,
    radius: Float,
    center: Offset,
    alpha: @FloatRange(from = 0.0, to = 1.0) Float,
    style: DrawStyle,
    colorFilter: ColorFilter?,
    blendMode: BlendMode
): Unit
See also
drawCircle

drawCircle

Cmn 
open fun drawCircle(
    color: Color,
    radius: Float,
    center: Offset,
    alpha: @FloatRange(from = 0.0, to = 1.0) Float,
    style: DrawStyle,
    colorFilter: ColorFilter?,
    blendMode: BlendMode
): Unit
See also
drawCircle

drawImage

Cmn 
open fun drawImage(
    image: ImageBitmap,
    topLeft: Offset,
    alpha: @FloatRange(from = 0.0, to = 1.0) Float,
    style: DrawStyle,
    colorFilter: ColorFilter?,
    blendMode: BlendMode
): Unit
See also
drawImage

drawImage

Cmn 
open fun drawImage(
    image: ImageBitmap,
    srcOffset: IntOffset,
    srcSize: IntSize,
    dstOffset: IntOffset,
    dstSize: IntSize,
    alpha: @FloatRange(from = 0.0, to = 1.0) Float,
    style: DrawStyle,
    colorFilter: ColorFilter?,
    blendMode: BlendMode,
    filterQuality: FilterQuality
): Unit
See also
drawImage

drawLine

Cmn 
open fun drawLine(
    brush: Brush,
    start: Offset,
    end: Offset,
    strokeWidth: Float,
    cap: StrokeCap,
    pathEffect: PathEffect?,
    alpha: @FloatRange(from = 0.0, to = 1.0) Float,
    colorFilter: ColorFilter?,
    blendMode: BlendMode
): Unit
See also
drawLine

drawLine

Cmn 
open fun drawLine(
    color: Color,
    start: Offset,
    end: Offset,
    strokeWidth: Float,
    cap: StrokeCap,
    pathEffect: PathEffect?,
    alpha: @FloatRange(from = 0.0, to = 1.0) Float,
    colorFilter: ColorFilter?,
    blendMode: BlendMode
): Unit
See also
drawLine

drawOval

Cmn 
open fun drawOval(
    brush: Brush,
    topLeft: Offset,
    size: Size,
    alpha: @FloatRange(from = 0.0, to = 1.0) Float,
    style: DrawStyle,
    colorFilter: ColorFilter?,
    blendMode: BlendMode
): Unit
See also
drawOval

drawOval

Cmn 
open fun drawOval(
    color: Color,
    topLeft: Offset,
    size: Size,
    alpha: @FloatRange(from = 0.0, to = 1.0) Float,
    style: DrawStyle,
    colorFilter: ColorFilter?,
    blendMode: BlendMode
): Unit
See also
drawOval

drawPath

Cmn 
open fun drawPath(
    path: Path,
    brush: Brush,
    alpha: @FloatRange(from = 0.0, to = 1.0) Float,
    style: DrawStyle,
    colorFilter: ColorFilter?,
    blendMode: BlendMode
): Unit
See also
drawPath

drawPath

Cmn 
open fun drawPath(
    path: Path,
    color: Color,
    alpha: @FloatRange(from = 0.0, to = 1.0) Float,
    style: DrawStyle,
    colorFilter: ColorFilter?,
    blendMode: BlendMode
): Unit
See also
drawPath

drawPoints

Cmn 
open fun drawPoints(
    points: List<Offset>,
    pointMode: PointMode,
    brush: Brush,
    strokeWidth: Float,
    cap: StrokeCap,
    pathEffect: PathEffect?,
    alpha: @FloatRange(from = 0.0, to = 1.0) Float,
    colorFilter: ColorFilter?,
    blendMode: BlendMode
): Unit
See also
drawPoints

drawPoints

Cmn 
open fun drawPoints(
    points: List<Offset>,
    pointMode: PointMode,
    color: Color,
    strokeWidth: Float,
    cap: StrokeCap,
    pathEffect: PathEffect?,
    alpha: @FloatRange(from = 0.0, to = 1.0) Float,
    colorFilter: ColorFilter?,
    blendMode: BlendMode
): Unit
See also
drawPoints

drawRect

Cmn 
open fun drawRect(
    brush: Brush,
    topLeft: Offset,
    size: Size,
    alpha: @FloatRange(from = 0.0, to = 1.0) Float,
    style: DrawStyle,
    colorFilter: ColorFilter?,
    blendMode: BlendMode
): Unit
See also
drawRect

drawRect

Cmn 
open fun drawRect(
    color: Color,
    topLeft: Offset,
    size: Size,
    alpha: @FloatRange(from = 0.0, to = 1.0) Float,
    style: DrawStyle,
    colorFilter: ColorFilter?,
    blendMode: BlendMode
): Unit
See also
drawRect

drawRoundRect

Cmn 
open fun drawRoundRect(
    brush: Brush,
    topLeft: Offset,
    size: Size,
    cornerRadius: CornerRadius,
    alpha: @FloatRange(from = 0.0, to = 1.0) Float,
    style: DrawStyle,
    colorFilter: ColorFilter?,
    blendMode: BlendMode
): Unit
See also
drawRoundRect

drawRoundRect

Cmn 
open fun drawRoundRect(
    color: Color,
    topLeft: Offset,
    size: Size,
    cornerRadius: CornerRadius,
    style: DrawStyle,
    alpha: @FloatRange(from = 0.0, to = 1.0) Float,
    colorFilter: ColorFilter?,
    blendMode: BlendMode
): Unit
See also
drawRoundRect

Public properties

density

Cmn
Added in 1.0.0
open val density: Float

The logical density of the display. This is a scaling factor for the Dp unit.

drawContext

Cmn
Added in 1.8.0-alpha05
open val drawContext: DrawContext

The current DrawContext that contains the dependencies needed to create the drawing environment

fontScale

Cmn
Added in 1.0.0
open val fontScale: Float

Current user preference for the scaling factor for fonts.

layoutDirection

Cmn
Added in 1.8.0-alpha05
open val layoutDirection: LayoutDirection

The layout direction of the layout being drawn in.