com.github.mikephil.charting.renderer

Class BarChartRenderer

java.lang.Object

com.github.mikephil.charting.renderer.Renderer

com.github.mikephil.charting.renderer.DataRenderer

com.github.mikephil.charting.renderer.BarChartRenderer

Direct Known Subclasses:

HorizontalBarChartRenderer

public class BarChartRenderer
extends DataRenderer

Field Summary

Fields

Modifier and Type	Field and Description
protected BarBuffer[]	mBarBuffers
protected android.graphics.RectF	mBarRect the rect object that is used for drawing the bars
protected BarDataProvider	mChart
protected android.graphics.Paint	mShadowPaint

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

mAnimator, mDrawPaint, mHighlightPaint, mRenderPaint, mValuePaint

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

mMaxX, mMinX, mViewPortHandler

Constructor Summary

Constructors

Constructor and Description
BarChartRenderer(BarDataProvider chart, ChartAnimator animator, ViewPortHandler viewPortHandler)

Method Summary

Modifier and Type	Method and Description
void	drawData(android.graphics.Canvas c) Draws the actual data in form of lines, bars, ...
protected void	drawDataSet(android.graphics.Canvas c, BarDataSet dataSet, int index)
void	drawExtras(android.graphics.Canvas c) Draws any kind of additional information (e.g.
void	drawHighlighted(android.graphics.Canvas c, Highlight[] indices) Draws all highlight indicators for the values that are currently highlighted.
void	drawValues(android.graphics.Canvas c) Loops over all Entrys and draws their values.
float[]	getTransformedValues(Transformer trans, java.util.List<BarEntry> entries, int dataSetIndex)
void	initBuffers() Initializes the buffers used for rendering with a new size.
protected boolean	passesCheck()
protected void	prepareBarHighlight(float x, float y1, float y2, float barspaceHalf, Transformer trans) Prepares a bar for being highlighted.

Methods inherited from class com.github.mikephil.charting.renderer.DataRenderer

applyValueTextStyle, drawValue, getPaintHighlight, getPaintRender, getPaintValues

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

calcXBounds, fitsBounds

Methods inherited from class java.lang.Object

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

Field Detail

mChart

protected BarDataProvider mChart

mBarRect

protected android.graphics.RectF mBarRect

the rect object that is used for drawing the bars

mBarBuffers

protected BarBuffer[] mBarBuffers

mShadowPaint

protected android.graphics.Paint mShadowPaint

Constructor Detail

BarChartRenderer

public BarChartRenderer(BarDataProvider chart,
                        ChartAnimator animator,
                        ViewPortHandler viewPortHandler)

Method Detail

initBuffers

public void initBuffers()

Description copied from class: DataRenderer

Initializes the buffers used for rendering with a new size. Since this method performs memory allocations, it should only be called if necessary.

Specified by:

initBuffers in class DataRenderer

drawData

public void drawData(android.graphics.Canvas c)

Description copied from class: DataRenderer

Draws the actual data in form of lines, bars, ... depending on Renderer subclass.

Specified by:

drawData in class DataRenderer

drawDataSet

protected void drawDataSet(android.graphics.Canvas c,
                           BarDataSet dataSet,
                           int index)

prepareBarHighlight

protected void prepareBarHighlight(float x,
                                   float y1,
                                   float y2,
                                   float barspaceHalf,
                                   Transformer trans)

Prepares a bar for being highlighted.

Parameters:

x - the x-position

y1 - the y1-position

y2 - the y2-position

barspaceHalf - the space between bars

trans -

drawValues

public void drawValues(android.graphics.Canvas c)

Description copied from class: DataRenderer

Loops over all Entrys and draws their values.

Specified by:

drawValues in class DataRenderer

drawHighlighted

public void drawHighlighted(android.graphics.Canvas c,
                            Highlight[] indices)

Description copied from class: DataRenderer

Draws all highlight indicators for the values that are currently highlighted.

Specified by:

drawHighlighted in class DataRenderer

indices - the highlighted values

getTransformedValues

public float[] getTransformedValues(Transformer trans,
                                    java.util.List<BarEntry> entries,
                                    int dataSetIndex)

passesCheck

protected boolean passesCheck()

drawExtras

public void drawExtras(android.graphics.Canvas c)

Description copied from class: DataRenderer

Draws any kind of additional information (e.g. line-circles).

Specified by:

drawExtras in class DataRenderer