lecho.lib.hellocharts.renderer

Class BubbleChartRenderer

java.lang.Object

lecho.lib.hellocharts.renderer.AbstractChartRenderer

lecho.lib.hellocharts.renderer.BubbleChartRenderer

All Implemented Interfaces:

ChartRenderer

public class BubbleChartRenderer
extends AbstractChartRenderer

Field Summary

Fields inherited from class lecho.lib.hellocharts.renderer.AbstractChartRenderer

chart, computator, DEFAULT_LABEL_MARGIN_DP, density, fontMetrics, isValueLabelBackgroundAuto, isValueLabelBackgroundEnabled, isViewportCalculationEnabled, labelBackgroundPaint, labelBackgroundRect, labelBuffer, labelMargin, labelOffset, labelPaint, scaledDensity, selectedValue

Constructor Summary

Constructors

Constructor and Description
BubbleChartRenderer(android.content.Context context, Chart chart, BubbleChartDataProvider dataProvider)

Method Summary

Modifier and Type	Method and Description
boolean	checkTouch(float touchX, float touchY) Checks if given pixel coordinates corresponds to any chart value.
void	draw(android.graphics.Canvas canvas) Draw chart data.
void	drawUnclipped(android.graphics.Canvas canvas) Draw chart data that should not be clipped to contentRect area.
void	onChartDataChanged()
void	onChartSizeChanged()
void	onChartViewportChanged()
void	removeMargins() Removes empty spaces on sides of chart(left-right for landscape, top-bottom for portrait).

Methods inherited from class lecho.lib.hellocharts.renderer.AbstractChartRenderer

clearTouch, drawLabelTextAndBackground, getCurrentViewport, getMaximumViewport, getSelectedValue, isTouched, isViewportCalculationEnabled, resetRenderer, selectValue, setCurrentViewport, setMaximumViewport, setViewportCalculationEnabled

Methods inherited from class java.lang.Object

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

Constructor Detail

BubbleChartRenderer

public BubbleChartRenderer(android.content.Context context,
                           Chart chart,
                           BubbleChartDataProvider dataProvider)

Method Detail

onChartSizeChanged

public void onChartSizeChanged()

onChartDataChanged

public void onChartDataChanged()

Specified by:

onChartDataChanged in interface ChartRenderer

Overrides:

onChartDataChanged in class AbstractChartRenderer

onChartViewportChanged

public void onChartViewportChanged()

draw

public void draw(android.graphics.Canvas canvas)

Description copied from interface: ChartRenderer

Draw chart data.

drawUnclipped

public void drawUnclipped(android.graphics.Canvas canvas)

Description copied from interface: ChartRenderer

Draw chart data that should not be clipped to contentRect area.

checkTouch

public boolean checkTouch(float touchX,
                          float touchY)

Description copied from interface: ChartRenderer

Checks if given pixel coordinates corresponds to any chart value. If yes return true and set selectedValue, if not selectedValue should be *cleared* and method should return false.

removeMargins

public void removeMargins()

Removes empty spaces on sides of chart(left-right for landscape, top-bottom for portrait). *This method should be called after layout had been drawn*. Because most often chart is drawn as rectangle with proportions other than 1:1 and bubbles have to be drawn as circles not ellipses I am unable to calculate correct margins based on chart data only. I need to know chart dimension to remove extra empty spaces, that bad because viewport depends a little on contentRectMinusAllMargins.