The javafxc compiler compiles JavaFX Script code into JVM byte code, just like Java or any other language. The JavaFX runtime is a bunch of libraries which are loaded on demand using the usual JRE mechanisms (applet classpath, JNLP classloaders, etc.).
- Josh On Jul 23, 2009, at 7:10 PM, markmac wrote: > > Thanks all for the replies, now I can give strait answers to my > colleagues! > > Although, for my own interest, how does the JVM and the JavaFX runtime > interact? > > (Again, I know this sounds like a super high level question, but Im > slowly learning more and more about the lower level stuff, and it > really interests me.) > > Is the bytecode that is generated just told to "go get the codecs from > the JavaFX runtime", if so, wouldn't that be a compiler > implementation? > > Cheers, > Mark > > On Jul 24, 1:22 am, Joshua Marinacci <jos...@marinacci.org> wrote: >> Fabrizio is correct. Technically JavaFX code will run on any Java 1.5 >> runtime. We use 1.5 bytecode and the internal usage of 1.6 api will >> correctly degrade. However, the user experience is vastly better on >> recent versions of 1.6, so we encourage it's use. I believe (though I >> haven't checked lately), that the dtfx.js javascript which generates >> the applet tags will require you to upgrade from anything lower than >> 6u7 if you are on Windows. I suspect there will be a day when we >> drop >> 1.5 altogether and go 1.6 only, since 1.6 itself is several years old >> at this point. >> >> - Josh >> >> On Jul 23, 2009, at 5:05 AM, Fabrizio Giudici wrote: >> >> >> >>> Steven Herod wrote: >>>> It doesn't require 6u10. It'll run on any version of Java 1.5 or >>>> higher. Infact Netbeans JavaFX support is 'hardcoded' to use Java >>>> 1.5. >> >>>> The big difference is user experience, as 6u10 introduced the new >>>> browser plugin which offered faster startup and the ability to drag >>>> applets out of the browser. >> >>>> I also think it included the JavaFX runtime in the distribution, >>>> if I >>>> recall correctly, which means that 6u10 users didn't need to wait >>>> for >>>> the JavaFX runtime to be downloaded on first JavaFX app startup. >> >>>> I don't think this JavaFX + JRE bundling has included, I don't >>>> recall >>>> a new JRE coming out when JavaFX 1.2 came out. >> >>>> Certainly there is no dependancy between releases of the two. >> >>> AFAIK this is not entirely correct. If you look at the official >>> system >>> requirements: >> >>> http://java.sun.com/javafx/1/reference/system-requirements-1-2.html#j >>> ... >> >>> the current minimal JDK version for running JavaFX 1.2 is 6u13 (for >>> Windows, Linux, OpenSolaris), and 1.5.0_16 for Mac OS X. Beyond what >>> you >>> said about 6u10, which is correct, you also have to consider bugs >>> and >>> enhancements made in the Java2D core for fitting JavaFX, that >>> require >>> these minimal requirements. The reason for which JavaFX "tolerates" >>> Java >>> 5 on the Mac is because, thanks to the wonderful and friendly >>> Apple's >>> policy about Java, it is still not possible (and I don't think it >>> will >>> be ever possible) to run Java 6 on PPC and Intel 32 machines (and >>> there >>> is still a big deal around). I suppose there are some specific >>> workarounds for Java 5 in this case (and possibly some penalties), >>> but >>> it has been a good move to avoid killing a good number of client >>> platform. I have no doubts that if Apple supported Java 6 on all of >>> his >>> reasonably recent machinery, Sun would have required Java 6 >>> everywhere. >> >>> -- >>> Fabrizio Giudici - Java Architect, Project Manager >>> Tidalwave s.a.s. - "We make Java work. Everywhere." >>> weblogs.java.net/blog/fabriziogiudici -www.tidalwave.it/blog >>> fabrizio.giud...@tidalwave.it - mobile: +39 348.150.6941 > > --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "The Java Posse" group. To post to this group, send email to javaposse@googlegroups.com To unsubscribe from this group, send email to javaposse+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/javaposse?hl=en -~----------~----~----~----~------~----~------~--~---
