gridarea.cpp File Reference

#include "gridarea.h"
#include "scrollarea.h"
#include "gridfont.h"

Classes
struct	AnimType

Functions
void	init_anims ()
void	release_anims ()
void	set_grid_size (int sx, int sy)
	create a scrollable grid area More...
int	get_grid_width ()
	get the width of the scrollable grid area More...
int	get_grid_height ()
	get the height of the scrollable grid area More...
void	set_grid_window_size (int sx, int sy)
	set the size of the displayed grid window More...
void	set_grid_wraparound (bool yes)
	is the grid wrapping around or not? More...
void	clear_grid (int ch)
	clear the scrollable grid area More...
void	clear_extra (int ch)
	clear the scrollable extra grid area More...
void	set_grid_border (int ch)
	set the border of the scrollable grid area More...
void	wrap (int &x, int &y)
int	get_grid (int x, int y)
	get the grid cell character at grid position (x, y) More...
int	get_last (int x, int y)
	get the last cell character at grid position (x, y) More...
int	get_same (int x, int y)
	get the same cell character at grid position (x, y) More...
int	get_extra (int x, int y)
	get the extra grid cell character at grid position (x, y) More...
int	get_anim (int x, int y)
void	set_grid (int x, int y, int ch)
	set the grid cell at grid position (x, y) to character ch More...
void	set_last (int x, int y, int ch)
	set the last cell at grid position (x, y) to character ch More...
void	set_same (int x, int y, int ch)
	set the same cell at grid position (x, y) to character ch More...
void	set_extra (int x, int y, int ch)
	set the extra grid cell at grid position (x, y) to character ch More...
void	set_anim (int x, int y, int ch)
bool	check_grid (int ch)
	check grid cell area for presence of character ch More...
int	count_grid (int ch)
	count character ch in grid cell area More...
void	replace_grid (int ch, int replace)
	replace character ch in grid cell area More...
int *	get_grid_area (int x, int y, int sx, int sy)
	get the grid cell area at top-left position (x, y) with size (sx, sy) More...
void	set_grid_area (int x, int y, int sx, int sy, const int *data)
	set a grid cell area at top-left position (x, y) with size (sx, sy) More...
void	set_grid_text (int x, int y, const char *text)
	set the grid cells at top-left grid position (x, y) to a text string More...
void	render_grid_line (int x1, int y1, int x2, int y2, int ch)
	render a grid line from position (x1, y1) to (x2, y2) More...
void	render_grid_frame (int x1, int y1, int x2, int y2, int ch)
	render a grid frame from position (x1, y1) to (x2, y2) More...
void	flood_fill_grid (int x, int y, int ch)
	flood-fill a grid cell area starting at position (x, y) More...
void	inverse_flood_fill_grid (int x, int y, int ch)
	flood-fill everything but a grid cell area starting at position (x, y) More...
void	place_random (int ch, int num, int exclude)
	place random characters More...
void	update_grid_window ()
void	position_grid_window (int x, int y)
	position the displayed grid window at center position (x, y) More...
void	center_grid_window (int x, int y)
	scroll the displayed grid window to center position (x, y) More...
void	redraw_grid_window (int x, int y)
	redraw the displayed grid window at center grid position (x, y) More...
void	scroll_grid_window (int x, int y, int deltax, int deltay, bool stop)
	scroll the displayed grid window to center grid position (x, y) More...
void	release_grid ()
	release allocated memory More...
void	set_grid_animation (int ch, int num, const int *data)
	set character animation More...
void	set_grid_animation_string (int ch, const char *str)
	set character animation string More...

Variables
static int	gridx = 0
static int	gridy = 0
static int	fontx = 0
static int	fonty = 0
static int *	grid = NULL
static int *	last = NULL
static int *	extra = NULL
static int *	anim = NULL
static const int	ga_num = 256
static AnimType *	ga_anims = NULL
static bool	wraparound = false

Function Documentation

center_grid_window()

void center_grid_window	(	int	x,
		int	y
	)

scroll the displayed grid window to center position (x, y)

check_grid()

bool check_grid

(

int

ch

)

check grid cell area for presence of character ch

clear_extra()

void clear_extra

(

int

ch

)

clear the scrollable extra grid area

clear_grid()

void clear_grid

(

int

ch

)

clear the scrollable grid area

count_grid()

int count_grid

(

int

ch

)

count character ch in grid cell area

flood_fill_grid()

void flood_fill_grid	(	int	x,
		int	y,
		int	ch
	)

flood-fill a grid cell area starting at position (x, y)

get_anim()

int get_anim	(	int	x,
		int	y
	)

get_extra()

int get_extra	(	int	x,
		int	y
	)

get the extra grid cell character at grid position (x, y)

get_grid()

int get_grid	(	int	x,
		int	y
	)

get the grid cell character at grid position (x, y)

get_grid_area()

int* get_grid_area	(	int	x,
		int	y,
		int	sx,
		int	sy
	)

get the grid cell area at top-left position (x, y) with size (sx, sy)

• returns a newly allocated array of respective size

get_grid_height()

int get_grid_height

(

)

get the height of the scrollable grid area

get_grid_width()

int get_grid_width

(

)

get the width of the scrollable grid area

get_last()

int get_last	(	int	x,
		int	y
	)

get the last cell character at grid position (x, y)

get_same()

int get_same	(	int	x,
		int	y
	)

get the same cell character at grid position (x, y)

init_anims()

void init_anims

(

)

inverse_flood_fill_grid()

void inverse_flood_fill_grid	(	int	x,
		int	y,
		int	ch
	)

flood-fill everything but a grid cell area starting at position (x, y)

place_random()

void place_random	(	int	ch,
		int	num,
		int	exclude
	)

place random characters

position_grid_window()

void position_grid_window	(	int	x,
		int	y
	)

position the displayed grid window at center position (x, y)

redraw_grid_window()

void redraw_grid_window	(	int	x,
		int	y
	)

redraw the displayed grid window at center grid position (x, y)

release_anims()

void release_anims

(

)

release_grid()

void release_grid

(

)

release allocated memory

render_grid_frame()

void render_grid_frame	(	int	x1,
		int	y1,
		int	x2,
		int	y2,
		int	ch
	)

render a grid frame from position (x1, y1) to (x2, y2)

render_grid_line()

void render_grid_line	(	int	x1,
		int	y1,
		int	x2,
		int	y2,
		int	ch
	)

render a grid line from position (x1, y1) to (x2, y2)

replace_grid()

void replace_grid	(	int	ch,
		int	replace
	)

replace character ch in grid cell area

scroll_grid_window()

void scroll_grid_window	(	int	x,
		int	y,
		int	deltax,
		int	deltay,
		bool	stop
	)

scroll the displayed grid window to center grid position (x, y)

set_anim()

void set_anim	(	int	x,
		int	y,
		int	ch
	)

set_extra()

void set_extra	(	int	x,
		int	y,
		int	ch
	)

set the extra grid cell at grid position (x, y) to character ch

set_grid()

void set_grid	(	int	x,
		int	y,
		int	ch
	)

set the grid cell at grid position (x, y) to character ch

set_grid_animation()

void set_grid_animation	(	int	ch,
		int	num,
		const int *	data
	)

set character animation

set_grid_animation_string()

void set_grid_animation_string	(	int	ch,
		const char *	str
	)

set character animation string

set_grid_area()

void set_grid_area	(	int	x,
		int	y,
		int	sx,
		int	sy,
		const int *	data
	)

set a grid cell area at top-left position (x, y) with size (sx, sy)

• the data is made up from consecutive lines of characters

set_grid_border()

void set_grid_border

(

int

ch

)

set the border of the scrollable grid area

set_grid_size()

void set_grid_size	(	int	sx,
		int	sy
	)

create a scrollable grid area

• with sx columns and sy rows
• the grid area contains a single grid char per cell
  • a grid char consists of a grid of 5x3 ASCII characters by default
• after grid area creation we need to
  • define the screen window size via set_grid_window_size
  • define the contents of the grid area via set_grid, flood_fill_grid etc.
  • and finally render the grid via redraw_grid_window or scroll_grid_window

set_grid_text()

void set_grid_text	(	int	x,
		int	y,
		const char *	text
	)

set the grid cells at top-left grid position (x, y) to a text string

• the grid area is made up from consecutive text lines separated by \n

set_grid_window_size()

void set_grid_window_size	(	int	sx,
		int	sy
	)

set the size of the displayed grid window

• the size is defined in terms of grid chars

set_grid_wraparound()

void set_grid_wraparound

(

bool

yes

)

is the grid wrapping around or not?

set_last()

void set_last	(	int	x,
		int	y,
		int	ch
	)

set the last cell at grid position (x, y) to character ch

set_same()

void set_same	(	int	x,
		int	y,
		int	ch
	)

set the same cell at grid position (x, y) to character ch

update_grid_window()

void update_grid_window

(

)

wrap()

void wrap ( int &  x, int &  y  )

inline

Variable Documentation

anim

int* anim = NULL

static

extra

int* extra = NULL

static

fontx

int fontx = 0

static

fonty

int fonty = 0

static

ga_anims

AnimType* ga_anims = NULL

static

ga_num

const int ga_num = 256

static

grid

int* grid = NULL

static

gridx

int gridx = 0

static

gridy

int gridy = 0

static

last

int* last = NULL

static

wraparound

bool wraparound = false

static