virtualjoystick/com.yoimerdr.android.virtualjoystick.control.drawer/DrawableControlDrawer

DrawableControlDrawer

public class DrawableControlDrawer implements ControlDrawer

A ControlDrawer that draws an drawable resource.

Constructors

public DrawableControlDrawer DrawableControlDrawer(Drawable drawable, Float scale, Paint paint)

public DrawableControlDrawer DrawableControlDrawer(Drawable drawable, Float scale)

public DrawableControlDrawer DrawableControlDrawer(Drawable drawable, Paint paint)

public DrawableControlDrawer DrawableControlDrawer(Drawable drawable)

public DrawableControlDrawer DrawableControlDrawer(DrawableControlDrawer.DrawableProperties properties)

Types

DrawableProperties

public class DrawableProperties

Properties

bitmap

private final Bitmap bitmap

Gets the bitmap to draw.

drawable

private Drawable drawable

halfHeight

private final Float halfHeight

Gets half the value of height.

halfWidth

private final Float halfWidth

Gets half the value of width.

height

private final Float height

Gets for the scaled height dimension of the drawable.

paint

private final Paint paint

Gets the drawer paint.

scale

private Float scale

width

private final Float width

Gets the scaled width dimension of the drawable.

Functions

checkDrawableSize

protected final Unit checkDrawableSize()

Check whether the dimensions of the drawable are similar, if not log an error message.

convertDrawableToBitmap

protected final Unit convertDrawableToBitmap()

Convert the drawable to a bitmap according the width and height dimensions.

draw

public Unit draw(Canvas canvas, Control control)

Draw the control representation.

fromDrawableRes

public final static DrawableControlDrawer fromDrawableRes(Context context, @DrawableRes() Integer id)

public final static DrawableControlDrawer fromDrawableRes(Context context, @DrawableRes() Integer id, Paint paint)

public final static DrawableControlDrawer fromDrawableRes(Context context, @DrawableRes() Integer id, Float scale)

public final static DrawableControlDrawer fromDrawableRes(Context context, @DrawableRes() Integer id, Float scale, Paint paint)

Instance a DrawableControlDrawer from context and a DrawableRes id.

getBitmap

protected Bitmap getBitmap()

getDestination

protected RectF getDestination(Control control)

Gets the rectangle that the drawable will be scaled/translated to fit into.

getDrawable

public Drawable getDrawable()

Gets the drawable resource.

public final static Drawable getDrawable(Context context, @DrawableRes() Integer resourceId)

Obtains a drawable from a context and a DrawableRes id.

getHalfHeight

protected final Float getHalfHeight()

getHalfWidth

protected final Float getHalfWidth()

getHeight

protected final Float getHeight()

getPaint

protected Paint getPaint()

getPosition

protected ImmutablePosition getPosition(Control control)

Gets the current position where the control is located and that the drawer will take as center to draw the drawable.

getScale

public Float getScale()

Gets the scale for the dimensions of the size of the drawable resource.

getWidth

protected final Float getWidth()

setDrawable

public Unit setDrawable(Drawable drawable)

Sets the drawable resource.

setScale

public Unit setScale(Float scale)

Sets the scale for the dimensions of the size of the drawable resource.