[Openutils-svn] SF.net SVN: openutils:[1566] trunk/openutils-mgnlmedia/src

[<fg...@us...>]

Revision: 1566
          http://openutils.svn.sourceforge.net/openutils/?rev=1566&view=rev
Author:   fgiust
Date:     2009-12-30 22:31:48 +0000 (Wed, 30 Dec 2009)

Log Message:
-----------
MEDIA-33 workaround for empty gifs

Modified Paths:
--------------
    trunk/openutils-mgnlmedia/src/main/java/net/sourceforge/openutils/mgnlmedia/media/utils/ImageUtils.java
    trunk/openutils-mgnlmedia/src/test/java/net/sourceforge/openutils/mgnlmedia/media/utils/ImageUtilsTest.java

Modified: trunk/openutils-mgnlmedia/src/main/java/net/sourceforge/openutils/mgnlmedia/media/utils/ImageUtils.java
===================================================================
--- trunk/openutils-mgnlmedia/src/main/java/net/sourceforge/openutils/mgnlmedia/media/utils/ImageUtils.java	2009-12-30 21:42:59 UTC (rev 1565)
+++ trunk/openutils-mgnlmedia/src/main/java/net/sourceforge/openutils/mgnlmedia/media/utils/ImageUtils.java	2009-12-30 22:31:48 UTC (rev 1566)
@@ -533,12 +533,23 @@
                 imageOutputStream = ImageIO.createImageOutputStream(out);
                 imageWriter.setOutput(imageOutputStream);
 
+                IIOImage iioimage = new IIOImage(image, null, null);
+
                 try
                 {
                     // Write the changed Image
-                    IIOImage iioimage = new IIOImage(image, null, null);
                     imageWriter.write(null, iioimage, params);
                 }
+                catch (NullPointerException e)
+                {
+                    // http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=6287936
+                    // GIF writer is buggy for totally transparent gifs
+
+                    // workaround: draw a point!
+                    image.createGraphics().drawRect(0, 0, 1, 1);
+                    imageWriter.write(null, iioimage, params);
+
+                }
                 finally
                 {
                     // Close the streams

Modified: trunk/openutils-mgnlmedia/src/test/java/net/sourceforge/openutils/mgnlmedia/media/utils/ImageUtilsTest.java
===================================================================
--- trunk/openutils-mgnlmedia/src/test/java/net/sourceforge/openutils/mgnlmedia/media/utils/ImageUtilsTest.java	2009-12-30 21:42:59 UTC (rev 1565)
+++ trunk/openutils-mgnlmedia/src/test/java/net/sourceforge/openutils/mgnlmedia/media/utils/ImageUtilsTest.java	2009-12-30 22:31:48 UTC (rev 1566)
@@ -158,6 +158,8 @@
         BufferedImage bufferedImage = ImageUtils.createBufferedImage(badpalette);
         Assert.assertNotNull(bufferedImage);
 
+        bufferedImage = ImageUtils.resizeImage(bufferedImage, 1, 1);
+
         InputStream is = ImageUtils.getStream(bufferedImage, "gif", 0.8F, false);
 
         File tempFile = File.createTempFile("image", ".gif");


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