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Hey all, when checking how the size of JavaFX applications can be reduced further (beside removing the hard dependency on java. desktop), I found two interesting things I was wondering about. First: This might be dumb question (maybe :P), but</div>
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<html><body><div style="font-family: 'verdana'; font-size: 12px; color: #000;"><span style="background-color: #ffffff;">Hey all,</span></div>
<div style="font-family: 'verdana'; font-size: 12px; color: #000;"><span style="background-color: #ffffff;"> </span></div>
<div style="font-family: 'verdana'; font-size: 12px; color: #000;"><span style="background-color: #ffffff;">when checking how the size of JavaFX applications can be reduced further (beside removing the hard dependency on java.desktop), I found two interesting things I was wondering about.</span></div>
<div style="font-family: 'verdana'; font-size: 12px; color: #000;"><span style="background-color: #ffffff;"> </span></div>
<div style="font-family: 'verdana'; font-size: 12px; color: #000;"><span style="background-color: #ffffff;">First:</span></div>
<div style="font-family: 'verdana'; font-size: 12px; color: #000;"><span style="background-color: #ffffff;">This might be dumb question (maybe :P), but why do we copy the Windows DLLs into the javafx.graphics module? </span></div>
<div style="font-family: 'verdana'; font-size: 12px; color: #000;"><span style="background-color: #ffffff;">I just removed them to test what happens, and to my surprise, the application still works and the NativeLibLoader will load those from Windows itself instead. </span></div>
<div style="font-family: 'verdana'; font-size: 12px; color: #000;"><span style="background-color: #ffffff;">That also means that those DLLs don't need to be copied into the TEMP folder when working with e.g. Maven.</span></div>
<div style="font-family: 'verdana'; font-size: 12px; color: #000;"><span style="background-color: #ffffff;">But more interesting to me, this will reduce the size of my JPackaged Application by ~3 MB. Which is not bad.</span></div>
<div style="font-family: 'verdana'; font-size: 12px; color: #000;"><span style="background-color: #ffffff;"> </span></div>
<div style="font-family: 'verdana'; font-size: 12px; color: #000;"><span style="background-color: #ffffff;">So I wonder, why this is needed, and if it makes sense to turn off this behavior (optionally) with a Gradle flag.</span></div>
<div style="font-family: 'verdana'; font-size: 12px; color: #000;"><span style="background-color: #ffffff;"> </span></div>
<div style="font-family: 'verdana'; font-size: 12px; color: #000;"><span style="background-color: #ffffff;">Second: </span></div>
<div style="font-family: 'verdana'; font-size: 12px; color: #000;"><span style="background-color: #ffffff;">Why does the javafx.graphics module contains a 'javafx-swt.jar'? While it is not that big (0.32MB), it seems to be a bit weird.</span></div>
<div style="font-family: 'verdana'; font-size: 12px; color: #000;"><span style="background-color: #ffffff;"> </span></div>
<div style="font-family: 'verdana'; font-size: 12px; color: #000;"><span style="background-color: #ffffff;">Note: Those claims can be verified when opening the latest javafx-graphics-27-ea+5-win.jar with 7z (for example).</span></div>
<div style="font-family: 'verdana'; font-size: 12px; color: #000;">Note2: I did not check the other platforms. I'm mostly interested in Windows, because that is what most of the companies use in the industy.</div>
<div style="font-family: 'verdana'; font-size: 12px; color: #000;"> </div>
<div style="font-family: 'verdana'; font-size: 12px; color: #000;">For more Context: At this point in time, I only ever had to create Windows binary files (.exe or .msi) for those projects (Wished by the customer).</div>
<div style="font-family: 'verdana'; font-size: 12px; color: #000;">Even more Context: With removing the hard dependency to java.desktop, not shipping the DLLs and the SWT jar, my applications usually went from ~70 MB to ~57MB. Using JMods.</div>
<div style="font-family: 'verdana'; font-size: 12px; color: #000;">This is a pretty good result, especially when we compare against other ways to build and package an Application like Electron, where applications are usually around ~100 MB, that sometimes can be optimized to around ~70 MB.</div>
<div style="font-family: 'verdana'; font-size: 12px; color: #000;"> </div>
<div style="font-family: 'verdana'; font-size: 12px; color: #000;">-- Marius</div>
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