[Ves] Android Kiwiviewer: change KiwiGlSurfaceView background color

[Pat Marion]

Hi Jamie,

Ideally, the entire kiwi c++ api would be available to you to call directly
from the java files.  The idea would be to use a tool like Swig to
automatically generate java bindings.  I started a work-in-progress branch
that explored using Swig to generate java and python bindings to Kiwi, but
that work was not completed.  So for now, you must manually extend
KiwiNative.java and KiwiNative.cpp to hand-write jni interface methods.  So
you could do that, write a new jni interface, to set the background color
from Java.  Or you could set the background color one time just in the
setupGraphics() method of KiwiNative.cpp.  I guess I'd recommend going the
jni route for most flexibility.  The jni methods are defined in
KiwiNative.cpp and in KiwiNative.java.

Pat


On Mon, May 19, 2014 at 3:52 PM, Wright James (NHS Greater Glasgow & Clyde)
<jamie.wright at nhs.net> wrote:

> I had seen that method but I couldn't see where it was actually used to
> set the blue background.
>
> When using the vesKiwi cpp files is the idea to access them through the
> JNI by calling them in KiwiNative.java and using them in other .java files?
> Or should I be editing the vesKiwi*.cpp files directly and rebuilding
> kiwiviewer each time? Apologies if this is explained on the wiki or
> elsewhere but I haven't been able to Google any results
>
> Jamie
>
> ________________________________________
> From: Aashish Chaudhary [aashish.chaudhary at kitware.com]
> Sent: 19 May 2014 17:01
> To: Wright James (NHS Greater Glasgow & Clyde)
> Cc: ves at public.kitware.com
> Subject: Re: [Ves] Android Kiwiviewer: change KiwiGlSurfaceView background
> color
>
> Have a look at the vesKiwiBaseApp.h and this method: setBackgroundColor.
>
> Let me know if this helps.
>
> - Aashish
>
>
>
> On Mon, May 19, 2014 at 11:58 AM, Wright James (NHS Greater Glasgow &
> Clyde) <jamie.wright at nhs.net<mailto:jamie.wright at nhs.net>> wrote:
> Dear All,
>
> I am trying to integrate VES into an Android application using the
> Kiwiviewer example application as a start. At present the default
> background color in the GlSurfaceView in this application is light blue.
> How can I change this to a different color? Apologies if this is an easy
> question but it's got me stumped.
>
> thanks, Jamie
>
>
>
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> | Aashish Chaudhary
> | Technical Leader
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