* Re: Screen Capturing [not found] <005401c2ad82$cef8c9c0$bd00000a@abhilash> @ 2002-12-27 11:33 ` Geert Uytterhoeven 2002-12-30 11:50 ` Abhilash 0 siblings, 1 reply; 2+ messages in thread From: Geert Uytterhoeven @ 2002-12-27 11:33 UTC (permalink / raw) To: Abhilash; +Cc: Linux Frame Buffer Device Development On Fri, 27 Dec 2002, Abhilash wrote: > I need to capture the screen .For that I use mirror driver in Windows for > capturing screen. > ie, its basically overloading the driver functions. > > So in case of Linux, is there any method like this or which is the best > method? > In Xlib there are some functions to capture screen and also heard abt VESA > which is better? If you are using a frame buffer device, you can capture the contents of /dev/fb*. Either read from /dev/fb*, or mmap() it. The data you receive are in the native format of the graphics chip. For CLUT modes, you have to use an ioctl() to get the colormap. Gr{oetje,eeting}s, Geert -- Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org In personal conversations with technical people, I call myself a hacker. But when I'm talking to journalists I just say "programmer" or something like that. -- Linus Torvalds ------------------------------------------------------- This sf.net email is sponsored by:ThinkGeek Welcome to geek heaven. http://thinkgeek.com/sf ^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: Screen Capturing 2002-12-27 11:33 ` Screen Capturing Geert Uytterhoeven @ 2002-12-30 11:50 ` Abhilash 0 siblings, 0 replies; 2+ messages in thread From: Abhilash @ 2002-12-30 11:50 UTC (permalink / raw) To: Geert Uytterhoeven; +Cc: Linux Frame Buffer Device Development Hello, Thank you very much. Let me check this. Thank you, Abhilash. ----- Original Message ----- From: "Geert Uytterhoeven" <geert@linux-m68k.org> To: "Abhilash" <abhilash@avenir.net> Cc: "Linux Frame Buffer Device Development" <linux-fbdev-devel@lists.sourceforge.net> Sent: Friday, December 27, 2002 5:03 PM Subject: Re: [Linux-fbdev-devel] Screen Capturing > On Fri, 27 Dec 2002, Abhilash wrote: > > I need to capture the screen .For that I use mirror driver in Windows for > > capturing screen. > > ie, its basically overloading the driver functions. > > > > So in case of Linux, is there any method like this or which is the best > > method? > > In Xlib there are some functions to capture screen and also heard abt VESA > > which is better? > > If you are using a frame buffer device, you can capture the contents of > /dev/fb*. Either read from /dev/fb*, or mmap() it. The data you receive are in > the native format of the graphics chip. For CLUT modes, you have to use an > ioctl() to get the colormap. > > Gr{oetje,eeting}s, > > Geert > > -- > Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org > > In personal conversations with technical people, I call myself a hacker. But > when I'm talking to journalists I just say "programmer" or something like that. > -- Linus Torvalds > ------------------------------------------------------- This sf.net email is sponsored by:ThinkGeek Welcome to geek heaven. http://thinkgeek.com/sf ^ permalink raw reply [flat|nested] 2+ messages in thread
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