Android Open Source - customhellochartdemo Preview Chart Computator






From Project

Back to project page customhellochartdemo.

License

The source code is released under:

Apache License

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Java Source Code

package lecho.lib.hellocharts;
/*from  w  w  w  .  j  a v a  2  s .c  o m*/
import lecho.lib.hellocharts.model.Viewport;

/**
 * Version of ChartComputator for preview charts. It always uses maxViewport as visible viewport and currentViewport as
 * preview area.
 */
public class PreviewChartComputator extends ChartComputator {

  public float computeRawX(float valueX) {
    final float pixelOffset = (valueX - maxViewport.left) * (contentRect.width() / maxViewport.width());
    return contentRect.left + pixelOffset;
  }

  public float computeRawY(float valueY) {
    final float pixelOffset = (valueY - maxViewport.bottom) * (contentRect.height() / maxViewport.height());
    return contentRect.bottom - pixelOffset;
  }

  public Viewport getVisibleViewport() {
    return maxViewport;
  }

  public void setVisibleViewport(Viewport visibleViewport) {
    setMaxViewport(visibleViewport);
  }

  public void constrainViewport(float left, float top, float right, float bottom) {
    super.constrainViewport(left, top, right, bottom);
    viewportChangeListener.onViewportChanged(currentViewport);
  }

}




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