bmp_write_line(3alleg4) [plan9 man page]

bmp_write_line(3alleg4) 					  Allegro manual					   bmp_write_line(3alleg4)

NAME

       bmp_write_line - Direct access bank switching line selection for writing. Allegro game programming library.

SYNOPSIS

       #include <allegro.h>

       unsigned long bmp_write_line(BITMAP *bmp, int line);

DESCRIPTION

       Selects the line of a bitmap that you are going to draw onto.

RETURN VALUE

       Returns the address of the selected line for writing.

SEE ALSO

       exflame(3alleg4), exlights(3alleg4)

Allegro 							   version 4.4.2					   bmp_write_line(3alleg4)

exflame(3alleg4)						  Allegro manual						  exflame(3alleg4)

NAME
       exflame - How to write directly to video memory improving performance. Allegro game programming library.

SYNOPSIS
       #include <allegro.h>

       Example exflame

DESCRIPTION
       This  program demonstrates how to write directly to video memory.  It implements a simple fire effect, first by calling getpixel() and put-
       pixel(), then by accessing video memory directly a byte at a time, and finally using block memory copy operations.

SEE ALSO
       END_OF_MAIN(3alleg4),  PALETTE(3alleg4),  SCREEN_H(3alleg4),  SCREEN_W(3alleg4),  acquire_screen(3alleg4),  allegro_error(3alleg4),   alle-
       gro_init(3alleg4),   allegro_message(3alleg4),	bmp_read_line(3alleg4),   bmp_unwrite_line(3alleg4),  bmp_write_line(3alleg4),	clear_key-
       buf(3alleg4), font(3alleg4),  getpixel(3alleg4),  install_keyboard(3alleg4),  keypressed(3alleg4),  line(3alleg4),  makecol(3alleg4),  put-
       pixel(3alleg4), release_screen(3alleg4), rest(3alleg4), screen(3alleg4), set_gfx_mode(3alleg4), set_palette(3alleg4), textout_ex(3alleg4)

Allegro 							   version 4.4.2						  exflame(3alleg4)