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  1. JDK
  2. JDK-4504148

Massive performance drop in Graphics.drawImage()

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    • Icon: Bug Bug
    • Resolution: Duplicate
    • Icon: P3 P3
    • None
    • 1.4.0
    • client-libs
    • 2d
    • x86
    • windows_98

      Name: ddT132432 Date: 09/18/2001


      java version "1.4.0-beta2"
      Java(TM) 2 Runtime Environment, Standard Edition (build 1.4.0-beta2-b77)
      Java HotSpot(TM) Client VM (build 1.4.0-beta2-b77, mixed mode)

      We've got a class called FullScreenWindow that we use for a slideshow module
      and other photograph-showing purposes. Under 1.2 and 1.3, this class works
      perfectly. With 1.4 beta 2 the panorama scrolling feature has become completely
      unusable (treacle slow).

      We're only using drawImage() to implement a horizontal photograph panning..
      very "vanilla".

      Panning performance probably dropped by 10-20 times !!!

      Source code is attached to bug
      (Review ID: 131925)
      ======================================================================

            chaasesunw Chet Haase (Inactive)
            ddressersunw Daniel Dresser (Inactive)
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