com.github.mikephil.charting.renderer

Class AxisRenderer

java.lang.Object

com.github.mikephil.charting.renderer.Renderer

com.github.mikephil.charting.renderer.AxisRenderer

Direct Known Subclasses:

XAxisRenderer, YAxisRenderer

public abstract class AxisRenderer
extends Renderer

Baseclass of all axis renderers.

Field Summary

Fields

Modifier and Type	Field and Description
protected AxisBase	mAxis base axis this axis renderer works with
protected android.graphics.Paint	mAxisLabelPaint paint for the x-label values
protected android.graphics.Paint	mAxisLinePaint paint for the line surrounding the chart
protected android.graphics.Paint	mGridPaint paint object for the grid lines
protected android.graphics.Paint	mLimitLinePaint paint used for the limit lines
protected Transformer	mTrans transformer to transform values to screen pixels and return

Fields inherited from class com.github.mikephil.charting.renderer.Renderer

mViewPortHandler

Constructor Summary

Constructors

Constructor and Description
AxisRenderer(ViewPortHandler viewPortHandler, Transformer trans, AxisBase axis)

Method Summary

Modifier and Type	Method and Description
void	computeAxis(float min, float max, boolean inverted) Computes the axis values.
protected void	computeAxisValues(float min, float max) Sets up the axis values.
android.graphics.Paint	getPaintAxisLabels() Returns the Paint object used for drawing the axis (labels).
android.graphics.Paint	getPaintAxisLine() Returns the Paint object that is used for drawing the axis-line that goes alongside the axis.
android.graphics.Paint	getPaintGrid() Returns the Paint object that is used for drawing the grid-lines of the axis.
Transformer	getTransformer() Returns the Transformer object used for transforming the axis values.
abstract void	renderAxisLabels(android.graphics.Canvas c) Draws the axis labels to the screen.
abstract void	renderAxisLine(android.graphics.Canvas c) Draws the line that goes alongside the axis.
abstract void	renderGridLines(android.graphics.Canvas c) Draws the grid lines belonging to the axis.
abstract void	renderLimitLines(android.graphics.Canvas c) Draws the LimitLines associated with this axis to the screen.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

mAxis

protected AxisBase mAxis

base axis this axis renderer works with

mTrans

protected Transformer mTrans

transformer to transform values to screen pixels and return

mGridPaint

protected android.graphics.Paint mGridPaint

paint object for the grid lines

mAxisLabelPaint

protected android.graphics.Paint mAxisLabelPaint

paint for the x-label values

mAxisLinePaint

protected android.graphics.Paint mAxisLinePaint

paint for the line surrounding the chart

mLimitLinePaint

protected android.graphics.Paint mLimitLinePaint

paint used for the limit lines

Constructor Detail

AxisRenderer

public AxisRenderer(ViewPortHandler viewPortHandler,
                    Transformer trans,
                    AxisBase axis)

Method Detail

getPaintAxisLabels

public android.graphics.Paint getPaintAxisLabels()

Returns the Paint object used for drawing the axis (labels).

Returns:

getPaintGrid

public android.graphics.Paint getPaintGrid()

Returns the Paint object that is used for drawing the grid-lines of the axis.

Returns:

getPaintAxisLine

public android.graphics.Paint getPaintAxisLine()

Returns the Paint object that is used for drawing the axis-line that goes alongside the axis.

Returns:

getTransformer

public Transformer getTransformer()

Returns the Transformer object used for transforming the axis values.

Returns:

computeAxis

public void computeAxis(float min,
                        float max,
                        boolean inverted)

Computes the axis values.

Parameters:

min - - the minimum value in the data object for this axis

max - - the maximum value in the data object for this axis

computeAxisValues

protected void computeAxisValues(float min,
                                 float max)

Sets up the axis values. Computes the desired number of labels between the two given extremes.

renderAxisLabels

public abstract void renderAxisLabels(android.graphics.Canvas c)

Draws the axis labels to the screen.

Parameters:

c -

renderGridLines

public abstract void renderGridLines(android.graphics.Canvas c)

Draws the grid lines belonging to the axis.

Parameters:

c -

renderAxisLine

public abstract void renderAxisLine(android.graphics.Canvas c)

Draws the line that goes alongside the axis.

Parameters:

c -

renderLimitLines

public abstract void renderLimitLines(android.graphics.Canvas c)

Draws the LimitLines associated with this axis to the screen.

Parameters:

c -