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fli_pal_dirty_from(3)		Allegro	manual		 fli_pal_dirty_from(3)

NAME
       fli_pal_dirty_from, fli_pal_dirty_to - Indicate which parts of the pal-
       ette have changed. Allegro game programming library.

SYNOPSIS
       #include	<allegro.h>

       extern int fli_pal_dirty_from;

       extern int fli_pal_dirty_to;

DESCRIPTION
       These variables are set by next_fli_frame() to indicate which  part  of
       the  fli_palette	 has  changed  since  the last call to reset_fli_vari-
       ables().	If fli_pal_dirty_from is greater  than	fli_pal_dirty_to,  the
       palette	 has  not  changed,  otherwise	colors	fli_pal_dirty_from  to
       fli_pal_dirty_to	(inclusive) have altered. You can use these  when  up-
       dating  the  hardware  palette,	to avoid unnecessary calls to set_pal-
       ette(). Example:

	  if (fli_pal_dirty_from <= fli_pal_dirty_to)
	     set_palette_range(fli_palette, fli_pal_dirty_from,
			       fli_pal_dirty_to, 1);

SEE ALSO
       fli_palette(3), reset_fli_variables(3)

Allegro				 version 4.4.2		 fli_pal_dirty_from(3)

NAME | SYNOPSIS | DESCRIPTION | SEE ALSO

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