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If libturbojpeg.jnilib is not found on Mac systems, specifically look for it under /usr/lib, since /usr/lib isn't part of the default java.library.path on that platform.

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DRC
2012-08-24 02:44:39 +00:00
parent f506e2cbb5
commit a6c9eaf155
3 changed files with 18 additions and 19 deletions
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3
ChangeLog.txt
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@@ -22,6 +22,9 @@ symlinks in /usr/lib/i386-linux-gnu for the TurboJPEG libraries in /usr/lib32.
This allows those libraries to be used on MultiArch-compatible systems (such as This allows those libraries to be used on MultiArch-compatible systems (such as
Ubuntu 11 and later) without setting the linker path. Ubuntu 11 and later) without setting the linker path.
[6] The TurboJPEG Java wrapper should now find the JNI library on Mac systems
without having to pass -Djava.library.path=/usr/lib to java.
1.2.1 1.2.1
===== =====

22
java/README
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@@ -34,22 +34,10 @@ compressing or decompressing consists of images of the same size, then
pre-allocating the buffers is recommended. pre-allocating the buffers is recommended.
Note for OS X users Installation Directory
-------------------
/usr/lib, the directory under which libturbojpeg.dylib is installed on Mac
systems, is not part of the normal Java library path. Thus, when running a
Java application that uses TurboJPEG/OSS on Mac systems, you will need to pass
an argument of -Djava.library.path=/usr/lib to java.
Note for Solaris users
---------------------- ----------------------
/opt/libjpeg-turbo/lib, the directory under which libturbojpeg.so is installed If the TurboJPEG JNI library (libturbojpeg.so, libturbojpeg.jnilib, or
on Solaris systems, is not part of the normal Java library path. Thus, when turbojpeg.dll) is not installed under a system library directory or under a
running a Java application that uses TurboJPEG/OSS on Solaris systems, you will directory specified in LD_LIBRARY_PATH (Unix) or PATH (Windows), then you will
need to pass an argument of -Djava.library.path=/opt/libjpeg-turbo/lib to java. need to pass an argument of -Djava.library.path={path_to_JNI_library} to java.
If using a 64-bit data model, then instead pass an argument of
-Djava.library.path=/opt/libjpeg-turbo/lib/amd64 to use the 64-bit version of
libturbojpeg.so.

10
java/org/libjpegturbo/turbojpeg/TJLoader.java
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@@ -1,5 +1,5 @@
/* /*
* Copyright (C)2011 D. R. Commander. All Rights Reserved. * Copyright (C)2011-2012 D. R. Commander. All Rights Reserved.
* *
* Redistribution and use in source and binary forms, with or without * Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met: * modification, are permitted provided that the following conditions are met:
@@ -30,6 +30,14 @@ package org.libjpegturbo.turbojpeg;
final class TJLoader { final class TJLoader {
static void load() { static void load() {
try {
System.loadLibrary("turbojpeg"); System.loadLibrary("turbojpeg");
} catch (java.lang.UnsatisfiedLinkError e) {
String os = System.getProperty("os.name").toLowerCase();
if (os.indexOf("mac") >= 0) {
System.load("/usr/lib/libturbojpeg.jnilib");
}
else throw e;
}
} }
}; };