diff options
| -rw-r--r-- | ChangeLog | 5 | ||||
| -rw-r--r-- | NEWS | 1 | ||||
| -rw-r--r-- | plugin/icedteanp/java/sun/applet/PluginAppletViewer.java | 25 |
3 files changed, 31 insertions, 0 deletions
@@ -1,3 +1,8 @@ +2010-11-04 Deepak Bhole <[email protected]> + + * plugin/icedteanp/java/sun/applet/PluginAppletViewer.java (update): + Override method and implement double-buffering. + 2010-10-28 Andrew John Hughes <[email protected]> * Makefile.am: @@ -12,3 +12,4 @@ New in release 1.0 (2010-XX-XX): * Initial release of IcedTea-Web * PR542: Plugin fails with NPE on http://www.openprocessing.org/visuals/iframe.php?visualID=2615 +* Applets are now double-buffered to eliminate flicker in ones that do heavy drawing diff --git a/plugin/icedteanp/java/sun/applet/PluginAppletViewer.java b/plugin/icedteanp/java/sun/applet/PluginAppletViewer.java index a43a3f2..c5e0886 100644 --- a/plugin/icedteanp/java/sun/applet/PluginAppletViewer.java +++ b/plugin/icedteanp/java/sun/applet/PluginAppletViewer.java @@ -359,6 +359,9 @@ import com.sun.jndi.toolkit.url.UrlUtil; private static Long requestIdentityCounter = 0L; + private Image bufFrameImg; + private Graphics bufFrameImgGraphics; + /** * Null constructor to allow instantiation via newInstance() */ @@ -2163,4 +2166,26 @@ import com.sun.jndi.toolkit.url.UrlUtil; } } } + + /** + * {@inheritDoc} + * + * This method calls paint directly, rather than via super.update() since + * the parent class's update() just does a couple of checks (both of + * which are accounted for) and then calls paint anyway. + */ + public void update(Graphics g) { + + // If the image or the graphics don't exist, create new ones + if (bufFrameImg == null || bufFrameImgGraphics == null) { + bufFrameImg = createImage(getWidth(), getHeight()); + bufFrameImgGraphics = bufFrameImg.getGraphics (); + } + + // Paint off-screen + paint(bufFrameImgGraphics); + + // Draw the painted image + g.drawImage(bufFrameImg, 0, 0, this); + } } |