Android Open Source - customhellochartdemo Chart Renderer






From Project

Back to project page customhellochartdemo.

License

The source code is released under:

Apache License

If you think the Android project customhellochartdemo listed in this page is inappropriate, such as containing malicious code/tools or violating the copyright, please email info at java2s dot com, thanks.

Java Source Code

package lecho.lib.hellocharts.renderer;
/*from  w  ww .  j  av a  2s.c o  m*/
import lecho.lib.hellocharts.model.SelectedValue;
import lecho.lib.hellocharts.model.Viewport;
import android.graphics.Canvas;

/**
 * Interface for all chart renderer.
 */
public interface ChartRenderer {

  /**
   * Initialize maximum viewport, called when chart data changed.Usually you will have to do some calculation in
   * implementation of that method. If isViewportCalculationEnabled is false this method should do nothing.
   */
  public void initMaxViewport();

  /**
   * Initialize currentViewport, usually set it equals to maxViewport. If isViewportCalculationEnabled is false this
   * method should do nothing.
   */
  public void initCurrentViewport();

  /**
   * Initialize measurements i.e. circle area for PieChart.
   */
  public void initDataMeasuremetns();

  /**
   * Initialize common data attributes label font size, font color etc. Should be called before viewports
   * initializations.
   */
  public void initDataAttributes();

  /**
   * Draw chart data.
   */
  public void draw(Canvas canvas);

  /**
   * Draw chart data that should not be clipped to contentRect area.
   */
  public void drawUnclipped(Canvas canvas);

  /**
   * 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.
   */
  public boolean checkTouch(float touchX, float touchY);

  /**
   * Returns true if there is value selected.
   */
  public boolean isTouched();

  /**
   * Clear value selection.
   */
  public void clearTouch();

  public void setMaxViewport(Viewport maxViewport);

  public Viewport getMaxViewport();

  public void setCurrentViewport(Viewport viewport);

  public Viewport getCurrentViewport();

  public boolean isViewportCalculationEnabled();

  public void setViewportCalculationEnabled(boolean isEnabled);

  public void selectValue(SelectedValue selectedValue);

  public SelectedValue getSelectedValue();

}




Java Source Code List

lecho.lib.hellocharts.ChartComputator.java
lecho.lib.hellocharts.DummyChartAnimationListener.java
lecho.lib.hellocharts.DummyVieportChangeListener.java
lecho.lib.hellocharts.PreviewChartComputator.java
lecho.lib.hellocharts.ViewportChangeListener.java
lecho.lib.hellocharts.animation.ChartAnimationListener.java
lecho.lib.hellocharts.animation.ChartDataAnimatorV14.java
lecho.lib.hellocharts.animation.ChartDataAnimatorV8.java
lecho.lib.hellocharts.animation.ChartDataAnimator.java
lecho.lib.hellocharts.animation.ChartViewportAnimatorV14.java
lecho.lib.hellocharts.animation.ChartViewportAnimatorV8.java
lecho.lib.hellocharts.animation.ChartViewportAnimator.java
lecho.lib.hellocharts.animation.PieChartRotationAnimatorV14.java
lecho.lib.hellocharts.animation.PieChartRotationAnimatorV8.java
lecho.lib.hellocharts.animation.PieChartRotationAnimator.java
lecho.lib.hellocharts.gesture.ChartScroller.java
lecho.lib.hellocharts.gesture.ChartTouchHandler.java
lecho.lib.hellocharts.gesture.ChartZoomer.java
lecho.lib.hellocharts.gesture.ContainerScrollType.java
lecho.lib.hellocharts.gesture.PieChartTouchHandler.java
lecho.lib.hellocharts.gesture.PreviewChartTouchHandler.java
lecho.lib.hellocharts.gesture.ZoomType.java
lecho.lib.hellocharts.gesture.ZoomerCompat.java
lecho.lib.hellocharts.model.AbstractChartData.java
lecho.lib.hellocharts.model.ArcValue.java
lecho.lib.hellocharts.model.AxisValue.java
lecho.lib.hellocharts.model.Axis.java
lecho.lib.hellocharts.model.BubbleChartData.java
lecho.lib.hellocharts.model.BubbleValue.java
lecho.lib.hellocharts.model.ChartData.java
lecho.lib.hellocharts.model.ColumnChartData.java
lecho.lib.hellocharts.model.ColumnValue.java
lecho.lib.hellocharts.model.Column.java
lecho.lib.hellocharts.model.ComboLineColumnChartData.java
lecho.lib.hellocharts.model.LineChartData.java
lecho.lib.hellocharts.model.Line.java
lecho.lib.hellocharts.model.PieChartData.java
lecho.lib.hellocharts.model.PointValue.java
lecho.lib.hellocharts.model.SelectedValue.java
lecho.lib.hellocharts.model.SimpleValueFormatter.java
lecho.lib.hellocharts.model.ValueFormatter.java
lecho.lib.hellocharts.model.ValueShape.java
lecho.lib.hellocharts.model.Viewport.java
lecho.lib.hellocharts.provider.BubbleChartDataProvider.java
lecho.lib.hellocharts.provider.ColumnChartDataProvider.java
lecho.lib.hellocharts.provider.ComboLineColumnChartDataProvider.java
lecho.lib.hellocharts.provider.LineChartDataProvider.java
lecho.lib.hellocharts.provider.PieChartDataProvider.java
lecho.lib.hellocharts.renderer.AbstractChartRenderer.java
lecho.lib.hellocharts.renderer.AxesRenderer.java
lecho.lib.hellocharts.renderer.BubbleChartRenderer.java
lecho.lib.hellocharts.renderer.ChartRenderer.java
lecho.lib.hellocharts.renderer.ColumnChartRenderer.java
lecho.lib.hellocharts.renderer.ComboLineColumnChartRenderer.java
lecho.lib.hellocharts.renderer.LineChartRenderer.java
lecho.lib.hellocharts.renderer.PieChartRenderer.java
lecho.lib.hellocharts.renderer.PreviewColumnChartRenderer.java
lecho.lib.hellocharts.renderer.PreviewLineChartRenderer.java
lecho.lib.hellocharts.samples.AboutActivity.java
lecho.lib.hellocharts.samples.BrokenLineChartActivity.java
lecho.lib.hellocharts.samples.BrokenLineView.java
lecho.lib.hellocharts.samples.BubbleChartActivity.java
lecho.lib.hellocharts.samples.ColumnChartActivity.java
lecho.lib.hellocharts.samples.ComboLineColumnChartActivity.java
lecho.lib.hellocharts.samples.GoodBadChartActivity.java
lecho.lib.hellocharts.samples.LineChartActivity.java
lecho.lib.hellocharts.samples.LineColumnDependencyActivity.java
lecho.lib.hellocharts.samples.MainActivity.java
lecho.lib.hellocharts.samples.PieChartActivity.java
lecho.lib.hellocharts.samples.PreviewColumnChartActivity.java
lecho.lib.hellocharts.samples.PreviewLineChartActivity.java
lecho.lib.hellocharts.samples.SpeedChartActivity.java
lecho.lib.hellocharts.samples.TempoChartActivity.java
lecho.lib.hellocharts.samples.ViewPagerChartsActivity.java
lecho.lib.hellocharts.util.AxisAutoValues.java
lecho.lib.hellocharts.util.Utils.java
lecho.lib.hellocharts.view.AbstractChartView.java
lecho.lib.hellocharts.view.BubbleChartView.java
lecho.lib.hellocharts.view.Chart.java
lecho.lib.hellocharts.view.ColumnChartView.java
lecho.lib.hellocharts.view.ComboLineColumnChartView.java
lecho.lib.hellocharts.view.LineChartView.java
lecho.lib.hellocharts.view.PieChartView.java
lecho.lib.hellocharts.view.PreviewColumnChartView.java
lecho.lib.hellocharts.view.PreviewLineChartView.java
lecho.lib.hellocharts.view.hack.HackyDrawerLayout.java
lecho.lib.hellocharts.view.hack.HackyViewPager.java