tech.harmonysoft.oss.leonardo.view.chart

Class ChartView

tech.harmonysoft.oss.leonardo.view.chart.ChartView

public class ChartView

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	ChartView.Companion

Field Summary

Fields

Modifier and Type	Field and Description
static ChartView.Companion	Companion
static int	FLING_DURATION_MILLIS
static int	MIN_PLOT_UNIT_PX There is a possible case that the scale is so small that thousands/millions of data points are covered by the active range. There is no point for us in trying to draw edges between every to points then. We choose only subset of points which are distant enough from each other then.

Constructor Summary

Constructors

Constructor and Description
ChartView(android.content.Context context, android.util.AttributeSet attributes, int defaultStyle)
ChartView(android.content.Context context, android.util.AttributeSet attributes)
ChartView(android.content.Context context)

Method Summary

Modifier and Type	Method and Description
void	apply(ChartConfig config)
void	apply(ChartModel chartModel, java.lang.Object dataAnchor)
java.lang.Object	getDataAnchor()
protected void	onDraw(android.graphics.Canvas canvas)
protected void	onMeasure(int widthMeasureSpec, int heightMeasureSpec)
boolean	onTouchEvent(android.view.MotionEvent event)

Field Detail

MIN_PLOT_UNIT_PX

public static int MIN_PLOT_UNIT_PX

There is a possible case that the scale is so small that thousands/millions of data points are covered by the active range. There is no point for us in trying to draw edges between every to points then. We choose only subset of points which are distant enough from each other then.

Current constant defines minimum interested visual length to use during that.

See Also:

Constant Field Values

FLING_DURATION_MILLIS

public static int FLING_DURATION_MILLIS

See Also:

Constant Field Values

Companion

public static ChartView.Companion Companion

Constructor Detail

ChartView

@JvmOverloads
public ChartView(@NotNull
                               android.content.Context context,
                               @Nullable
                               android.util.AttributeSet attributes,
                               int defaultStyle)

ChartView

@JvmOverloads
public ChartView(@NotNull
                               android.content.Context context,
                               @Nullable
                               android.util.AttributeSet attributes)

ChartView

@JvmOverloads
public ChartView(@NotNull
                               android.content.Context context)

Method Detail

getDataAnchor

@NotNull
public java.lang.Object getDataAnchor()

apply

public void apply(@NotNull
                  ChartConfig config)

apply

public void apply(@NotNull
                  ChartModel chartModel,
                  @Nullable
                  java.lang.Object dataAnchor)

onMeasure

protected void onMeasure(int widthMeasureSpec,
                         int heightMeasureSpec)

onDraw

protected void onDraw(@NotNull
                      android.graphics.Canvas canvas)

onTouchEvent

public boolean onTouchEvent(@NotNull
                            android.view.MotionEvent event)