org.graphstream.ui.util

ImageCache

object ImageCache extends AnyRef

A simple cache for Java2D images to avoid reloading them constantly and to allow sharing.

TODO have a policy to release images if they have not been used for a given time.

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  7. def clone (): AnyRef

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  8. var dummy : BufferedImage

    The dummy image used to mark a not found image (and avoid trying to reload it again and again).

    The dummy image used to mark a not found image (and avoid trying to reload it again and again).

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  9. def dummyImage : BufferedImage

    A dummy 16x16 image used when an image cannot be loaded or found.

    A dummy 16x16 image used when an image cannot be loaded or found.

    returns

    An image.

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  13. def getClass (): java.lang.Class[_]

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  14. def hashCode (): Int

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  15. val imageCache : HashMap[String, BufferedImage]

    The image cache.

    The image cache.

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  16. def init (): Unit

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  17. def isInstanceOf [T0] : Boolean

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  18. def loadImage (fileNameOrUrl: String, forceTryReload: Boolean): Option[BufferedImage]

    The same as #loadImage(String) but you can force the cache to try to reload an image that where not found before.

    The same as #loadImage(String) but you can force the cache to try to reload an image that where not found before.

    fileNameOrUrl

    A file name or an URL pointing at the image.

    forceTryReload

    If true, try to reload an image that where not found before.

    returns

    An image or null if the image cannot be found.

  19. def loadImage (fileNameOrUrl: String): Option[BufferedImage]

    Lookup an image based on its name, if found return it, else try to load it.

    Lookup an image based on its name, if found return it, else try to load it. If an image is not found once, the cache remembers it and will not try to reload it again if the same image is requested anew.

    fileNameOrUrl

    A file name or an URL pointing at the image.

    returns

    An image or null if the image cannot be found.

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  27. def wait (arg0: Long): Unit

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