Class PlotCaching

java.lang.Object
uk.ac.starlink.ttools.plot2.PlotCaching

public class PlotCaching extends Object
Encapsulates some choices about what caching is performed when preparing a plot.
Since:
16 Jan 2017
Author:
Mark Taylor
  • Constructor Details

    • PlotCaching

      public PlotCaching()
      Constructs an instance with no caching.
  • Method Details

    • setCacheImage

      public void setCacheImage(boolean cacheImage)
      Sets image caching policy. If true, plot image will be cached where applicable, if false it will be regenerated from the data on every repaint.
      Parameters:
      cacheImage - image caching policy
    • getCacheImage

      public boolean getCacheImage()
      Returns images caching policy. If true, plot image will be cached where applicable, if false it will be regenerated from the data on every repaint.
      Returns:
      image caching policy
    • setReuseRanges

      public void setReuseRanges(boolean reuseRanges)
      Sets aux range caching policy. If true, aux ranges will be calculated only once, if false they will be recalculated when the surface changes.
      Parameters:
      reuseRanges - aux range caching policy
    • getReuseRanges

      public boolean getReuseRanges()
      Returns the aux range caching policy. If true, aux ranges will be calculated only once, if false they will be recalculated when the surface changes.
      Returns:
      aux range caching policy
    • setUsePlans

      public void setUsePlans(boolean usePlans)
      Sets plan caching policy. If true, plan objects will be retained following a plot and used as input to the next plotting attempt; if false, no plans will be cached.
      Parameters:
      usePlans - drawing plan caching policy
      See Also:
    • getUsePlans

      public boolean getUsePlans()
      Returns the plan caching policy. If true, plan objects will be retained following a plot and used as input to the next plotting attempt; if false, no plans will be cached.
      Returns:
      drawing plan caching policy
      See Also:
    • createFullyCached

      public static PlotCaching createFullyCached()
      Returns an instance in which as much as possible is cached between plot frames.
      Returns:
      aggressively caching instance
    • createUncached

      public static PlotCaching createUncached()
      Returns an instance in which nothing is cached between plot frames.
      Returns:
      non-caching instance