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Old 11-02-2004, 06:37 AM   #1
rolf_mueller
LQ Newbie
 
Registered: Oct 2004
Location: Bundoora, Australia
Distribution: Fedora Core 2 on Dell PE700
Posts: 12

Rep: Reputation: 0
Java: Text into Image: works on windows, fails on Linux...


Usually I don't do this, but I do not seem to get any attention on sun's Java Forum...

I have a piece of code, which uses the java awt library to insert
some text into an image. This piece of code runs perfectly fine
on a windows machine, but on a Linux box with Fedora Core 2,
a BufferedImage.getRGB() method call fails with the following
exception:

Code:
java.lang.ArrayIndexOutOfBoundsException: Coordinate out of bounds!
        at sun.awt.image.IntegerInterleavedRaster.getDataElements(IntegerInterleavedRaster.java:202)
        at java.awt.image.BufferedImage.getRGB(BufferedImage.java:862)
        at ThumbnailGenerationTestX.doThumbnailGenerationTest(ThumbnailGenerationTestX.java:94)
        at ThumbnailGenerationTestX.main(ThumbnailGenerationTestX.java:29)
Here is the link to the thread at the sun forum:
http://forum.java.sun.com/thread.jsp...rt=0&trange=15
(You will find the code there....)

Does anyone have an idea?
Would hate to switch back to Windows just because
a small piece of code does not work...

PS: X-Server is running, DISPLAY variable is set, and I did xhost +...

Thanks, Rolf
 
Old 11-02-2004, 09:03 AM   #2
r0b0
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Registered: Aug 2004
Location: Europe
Posts: 608

Rep: Reputation: 50
Just an idea, can you compare output of
java -version
on your linux and windows installations? Are you trying with the same versions of JRE?
 
Old 11-02-2004, 09:19 AM   #3
rolf_mueller
LQ Newbie
 
Registered: Oct 2004
Location: Bundoora, Australia
Distribution: Fedora Core 2 on Dell PE700
Posts: 12

Original Poster
Rep: Reputation: 0
Here is the Windows output:


sizeW = 1024
sizeH = 768

myText = (c) by Rolf Mueller
fontName = serif
fontSize = 32

textWidth = 260
textHeight = 28
textAscent = 32
textDescent = 7

offset = 7
textXPos = 757
textYPos = 733

Finished successfully!


and here is the Linux output:


sizeW = 1024
sizeH = 768

myText = (c) by Rolf Mueller
fontName = serif
fontSize = 32

textWidth = 293
textHeight = 31
textAscent = 30
textDescent = 6

offset = 7
textXPos = 724
textYPos = 730

java.lang.ArrayIndexOutOfBoundsException: Coordinate out of bounds!
at sun.awt.image.IntegerInterleavedRaster.getDataElements(IntegerInterleavedRaster.java:202)
at java.awt.image.BufferedImage.getRGB(BufferedImage.java:862)
at ThumbnailGenerationTestX.doThumbnailGenerationTest(ThumbnailGenerationTestX.java:94)
at ThumbnailGenerationTestX.main(ThumbnailGenerationTestX.java:29)


As you can see, the textWidth and textHeight are different
(260 <-> 293, 28 <-> 31 etc...), but this is something I would excpect,
since the X-environment is different and has different fonts and rendering.

Java-Version is slightly different:
Windows: 1.4.2_03
Linux: 1.4.2_05
I am using the SDK on both machines, because of Tomcat...
 
  


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