SketchbookController

All Implemented Interfaces:
```
public final class SketchbookController

                    
```
SketchbookController interacts with Sketchbook and it allows you to control the canvas and all of the components with it.

Nested Class Summary

Nested Classes
Modifier and Type	Class	Description

Field Summary

Fields
Modifier and Type	Field	Description
`private final Paint`	`currentPaint`
`private final State<Color>`	`currentPaintColor`
`private final State<Boolean>`	`isEraseMode`
`private final State<Boolean>`	`canUndo`
`private final State<Boolean>`	`canRedo`

Constructor Summary

Constructors
Constructor	Description
`SketchbookController()`

Enum Constant Summary

Enum Constants
Enum Constant	Description

Method Summary

Modifier and Type	Method	Description
`final Paint`	`getCurrentPaint()`
`final State<Color>`	`getCurrentPaintColor()`	MutableState of the current color of the Paint.
`final State<Boolean>`	`getIsEraseMode()`	Indicates whether erase mode or not.
`final State<Boolean>`	`getCanUndo()`	Indicates can execute undo or not.
`final State<Boolean>`	`getCanRedo()`	Indicates can execute redo or not.
`final Unit`	`setBackgroundColor(Color color)`	Sets a background color.
`final Unit`	`setImageBitmap(ImageBitmap bitmap)`	Sets an ImageBitmap to draw on the canvas as a background.
`final Unit`	`setSelectedColorIndex(Integer index)`	Sets an index of the selected color.
`final Unit`	`setPaint(Paint paint)`	Sets a new Paint.
`final Unit`	`setPaintAlpha(Float alpha)`	Sets an alpha to the drawPaint.
`final Unit`	`setPaintColor(Color color)`	Sets a Color to the drawPaint.
`final Unit`	`setPaintStrokeWidth(Float strokeWidth)`	Sets a stroke width to the drawPaint.
`final Unit`	`setPaintShader(Shader shader)`	Sets a Shader to the drawPaint.
`final Unit`	`setLinearShader(List<Color> colors)`	Sets a color list as a linear shader to the paint.
`final Unit`	`setRainbowShader()`	Sets a rainbow shader to the paint.
`final Unit`	`setPaintingStyle(PaintingStyle paintingStyle)`	Sets a PaintingStyle to the drawPaint.
`final Unit`	`setPathEffect(PathEffect pathEffect)`	Sets a PathEffect to the drawPaint.
`final Unit`	`undo()`	Executes undo the drawn path if possible.
`final Unit`	`redo()`	Executes redo the drawn path if possible.
`final Unit`	`setEraseMode(Boolean isEraseMode)`	Sets the erase mode or not.
`final Unit`	`setEraseRadius(Float eraseRadius)`	Sets the radius size of the erase circle.
`final Unit`	`toggleEraseMode()`	Toggles the erase mode.
`final Unit`	`clearPaths()`	Clear the drawn paths and redo paths on canvas..
`final Unit`	`clearImageBitmap()`	Clear the image bitmap.
`final Unit`	`clear()`	Clear drawn paths and the bitmap image.
`final ImageBitmap`	`getSketchbookBitmap()`	Returns the current Sketchbook's bitmap.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - SketchbookController
```
SketchbookController()
```
- Method Detail
  - getCurrentPaint
```
 final Paint getCurrentPaint()
```
  - getCurrentPaintColor
```
 final State<Color> getCurrentPaintColor()
```
    MutableState of the current color of the Paint.
  - getIsEraseMode
```
 final State<Boolean> getIsEraseMode()
```
    Indicates whether erase mode or not.
  - getCanUndo
```
 final State<Boolean> getCanUndo()
```
    Indicates can execute undo or not.
  - getCanRedo
```
 final State<Boolean> getCanRedo()
```
    Indicates can execute redo or not.
  - setBackgroundColor
```
 final Unit setBackgroundColor(Color color)
```
    Sets a background color.
  - setImageBitmap
```
 final Unit setImageBitmap(ImageBitmap bitmap)
```
    Sets an ImageBitmap to draw on the canvas as a background.
  - setSelectedColorIndex
```
 final Unit setSelectedColorIndex(Integer index)
```
    Sets an index of the selected color.
  - setPaint
```
 final Unit setPaint(Paint paint)
```
    Sets a new Paint.
  - setPaintAlpha
```
 final Unit setPaintAlpha(Float alpha)
```
    Sets an alpha to the drawPaint.
  - setPaintColor
```
 final Unit setPaintColor(Color color)
```
    Sets a Color to the drawPaint.
  - setPaintStrokeWidth
```
 final Unit setPaintStrokeWidth(Float strokeWidth)
```
    Sets a stroke width to the drawPaint.
  - setPaintShader
```
 final Unit setPaintShader(Shader shader)
```
    Sets a Shader to the drawPaint.
  - setLinearShader
```
 final Unit setLinearShader(List<Color> colors)
```
    Sets a color list as a linear shader to the paint.
  - setRainbowShader
```
 final Unit setRainbowShader()
```
    Sets a rainbow shader to the paint.
  - setPaintingStyle
```
 final Unit setPaintingStyle(PaintingStyle paintingStyle)
```
    Sets a PaintingStyle to the drawPaint.
  - setPathEffect
```
 final Unit setPathEffect(PathEffect pathEffect)
```
    Sets a PathEffect to the drawPaint.
  - undo
```
 final Unit undo()
```
    Executes undo the drawn path if possible.
  - redo
```
 final Unit redo()
```
    Executes redo the drawn path if possible.
  - setEraseMode
```
 final Unit setEraseMode(Boolean isEraseMode)
```
    Sets the erase mode or not.
    
    Parameters:
    
    isEraseMode - Flag to set erase mode.
  - setEraseRadius
```
 final Unit setEraseRadius(Float eraseRadius)
```
    Sets the radius size of the erase circle.
    
    Parameters:
    
    eraseRadius - Radius of the erase circle.
  - toggleEraseMode
```
 final Unit toggleEraseMode()
```
    Toggles the erase mode.
  - clearPaths
```
 final Unit clearPaths()
```
    Clear the drawn paths and redo paths on canvas..
  - clearImageBitmap
```
 final Unit clearImageBitmap()
```
    Clear the image bitmap.
  - clear
```
 final Unit clear()
```
    Clear drawn paths and the bitmap image.
  - getSketchbookBitmap
```
 final ImageBitmap getSketchbookBitmap()
```
    Returns the current Sketchbook's bitmap.

Class SketchbookController

Nested Class Summary

Field Summary

Constructor Summary

Enum Constant Summary

Method Summary

Methods inherited from class java.lang.Object

Constructor Detail

SketchbookController

Method Detail

getCurrentPaint

getCurrentPaintColor

getIsEraseMode

getCanUndo

getCanRedo

setBackgroundColor

setImageBitmap

setSelectedColorIndex

setPaint

setPaintAlpha

setPaintColor

setPaintStrokeWidth

setPaintShader

setLinearShader

setRainbowShader

setPaintingStyle

setPathEffect

undo

redo

setEraseMode

setEraseRadius

toggleEraseMode

clearPaths

clearImageBitmap

clear

getSketchbookBitmap