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Subject:
Re: [nanogui] framebuffer device and GUI
From: Natarajan N ####@####.#### Date: 28 Jun 2008 05:32:16 -0000 Message-Id: <248584.3588.qm@web54203.mail.re2.yahoo.com> Thank u very much for this info.... Any pointeres what really using SDL library involve? NATARAJAN --- On Fri, 6/27/08, Fabio Giovagnini ####@####.#### wrote: From: Fabio Giovagnini ####@####.#### Subject: Re: [nanogui] framebuffer device and GUI To: ####@####.#### Date: Friday, June 27, 2008, 12:31 PM Alle 16:59, venerdì 27 giugno 2008, Natarajan N ha scritto: > Thankq > > I tried understanding how the GUI tool like Qtopia / Qt/embedded - Frame > buffer LCD device - how they are layered and the role that Frame buffer > based display device plays. GTK , Mini gui,they all run on Linux host > devices. Qt/e too, you need a linux kernel working on your target machine with the frame buffer device driver for your LCD device compiled and working. Next you need only proper configure qt/e for running directly on /dev /fb0 I did not use Qt/e becouse it is very heavy; and you need a complete c/c++ cross development environment set and running. If you need only graph get a look at SDL library Best regards > > What is the role of frame buffer based devices. > > I understand now that the application developed by QT/EMB can be run on > Framebuffer device. > When there is a frame buffer device and - nano-X built with file system, > what are the different ways to make jpeg / Mpeg / and other photo formats > displayed on the LCD device? > Is there a comprehensive information explaining these available. This must > be a basic information and that is the reason no one covers in greater > detail. > Thanks > > Anirudh M > > --- On Fri, 6/27/08, Fabio Giovagnini ####@####.#### > wrote: > > From: Fabio Giovagnini ####@####.#### > Subject: Re: [nanogui] Panning and double buffering > To: ####@####.#### ####@####.#### > Date: Friday, June 27, 2008, 3:01 AM > > You should use qt embedded on framebuffer directly. > > Alle 07:23, venerdì 27 giugno 2008, Natarajan N ha scritto: > > We work on ARM-Linux on LN2410 (with frame buffer and Microwindows.). > > > > Without using microwindows, is it possible to display images / > > applications > > > developed in GTK in the above set-up with SAMSUNG TFT is hooked on ? IF > > yes, how ? Where can I have any sample applications. > > Thanks > > > > Anirudh M > > > > -- Fabio Giovagnini Aurion s.r.l. via degli orti 11, 40050 Funo di Argelato (BO) P.I e C.F. 00885711200 Tel. +39.335.8350919 Fax +39.051.8659009 www.aurion-tech.com account telefono VoIP skype (www.skype.com): aurion.giovagnini | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Subject:
Re: [nanogui] framebuffer device and GUI
From: Fabio Giovagnini ####@####.#### Date: 28 Jun 2008 07:51:33 -0000 Message-Id: <200806281009.19615.fabio.giovagnini@aurion-tech.com> Only /dev/fb0 device of the kernel and a very deep knowledge of graphics application architecture and optimizatio; such a library is the best for graphic applications like dashboard, and similar. Alle 07:32, sabato 28 giugno 2008, Natarajan N ha scritto: > Thank u very much for this info.... > > Any pointeres what really using SDL library involve? > > NATARAJAN > > --- On Fri, 6/27/08, Fabio Giovagnini ####@####.#### > wrote: > > From: Fabio Giovagnini ####@####.#### > Subject: Re: [nanogui] framebuffer device and GUI > To: ####@####.#### > Date: Friday, June 27, 2008, 12:31 PM > > Alle 16:59, venerdì 27 giugno 2008, Natarajan N ha scritto: > > Thankq > > > > I tried understanding how the GUI tool like Qtopia / Qt/embedded - Frame > > buffer LCD device - how they are layered and the role that Frame buffer > > based display device plays. GTK , Mini gui,they all run on Linux host > > devices. > > Qt/e too, you need a linux kernel working on your target machine with the > frame buffer device driver for your LCD device compiled and working. > Next you need only proper configure qt/e for running directly on /dev /fb0 > > I did not use Qt/e becouse it is very heavy; and you need a complete c/c++ > cross development environment set and running. > > If you need only graph get a look at SDL library > > Best regards > > > > > What is the role of frame buffer based devices. > > > > I understand now that the application developed by QT/EMB can be run on > > Framebuffer device. > > When there is a frame buffer device and - nano-X built with file system, > > what are the different ways to make jpeg / Mpeg / and other photo formats > > displayed on the LCD device? > > Is there a comprehensive information explaining these available. This > > must be a basic information and that is the reason no one covers in > > greater detail. > > Thanks > > > > Anirudh M > > > > --- On Fri, 6/27/08, Fabio Giovagnini > > ####@####.#### > > > wrote: > > > > From: Fabio Giovagnini ####@####.#### > > Subject: Re: [nanogui] Panning and double buffering > > To: ####@####.#### ####@####.#### > > Date: Friday, June 27, 2008, 3:01 AM > > > > You should use qt embedded on framebuffer directly. > > > > Alle 07:23, venerdì 27 giugno 2008, Natarajan N ha scritto: > > > We work on ARM-Linux on LN2410 (with frame buffer and Microwindows.). > > > > > > Without using microwindows, is it possible to display images / > > > > applications > > > > > developed in GTK in the above set-up with SAMSUNG TFT is hooked > > on ? IF > > > > yes, how ? Where can I have any sample applications. > > > Thanks > > > > > > Anirudh M > > > > > > -- Fabio Giovagnini Aurion s.r.l. via degli orti 11, 40050 Funo di Argelato (BO) P.I e C.F. 00885711200 Tel. +39.335.8350919 Fax +39.051.8659009 www.aurion-tech.com account telefono VoIP skype (www.skype.com): aurion.giovagnini | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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