GRASS GIS 8 Programmer's Manual: driver.h File Reference

GRASS GIS 8 Programmer's Manual 8.5.0dev(2024)-d6dec75dd4

#include <grass/fontcap.h>

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Data Structures
struct	driver

Functions
void	LIB_init (const struct driver *drv)
	Initialize display driver. More...

void	COM_Box_abs (double, double, double, double)

void	COM_Color_RGB (unsigned char, unsigned char, unsigned char)

void	COM_Standard_color (int)

void	COM_Erase (void)

void	COM_Set_font (const char *)

void	COM_Set_encoding (const char *)

void	COM_Font_list (char **, int )

void	COM_Font_info (char **, int )

void	COM_Get_text_box (const char , double , double , double , double *)

int	COM_Graph_set (void)

void	COM_Graph_close (void)

const char *	COM_Graph_get_file (void)

void	COM_Line_width (double)

void	COM_Pos_abs (double, double)

void	COM_begin_raster (int, int[2][2], double[2][2])

int	COM_raster (int, int, const unsigned char , const unsigned char , const unsigned char , const unsigned char )

void	COM_end_raster (void)

void	COM_Set_window (double, double, double, double)

void	COM_Get_window (double , double , double , double )

void	COM_Text (const char *)

void	COM_Text_size (double, double)

void	COM_Text_rotation (double)

void	COM_Bitmap (int, int, int, const unsigned char *)

void	COM_Begin (void)

void	COM_Move (double, double)

void	COM_Cont (double, double)

void	COM_Close (void)

void	COM_Stroke (void)

void	COM_Fill (void)

void	COM_Point (double, double)

Variables
int	screen_width

int	screen_height

double	cur_x

double	cur_y

double	text_size_x

double	text_size_y

double	text_rotation

double	text_sinrot

double	text_cosrot

int	matrix_valid

struct GFONT_CAP *	ftcap

Function Documentation

◆ COM_Begin()

void COM_Begin ( void )

Definition at line 10 of file driver/draw.c.

References driver::Begin.

Referenced by D_erase().

◆ COM_begin_raster()

void COM_begin_raster	(	int	mask,
		int	src[2][2],
		double	dst[2][2]
	)

Definition at line 13 of file driver/raster.c.

References driver::Begin_raster, dst, and src.

Referenced by D_raster_draw_begin().

◆ COM_Bitmap()

void COM_Bitmap	(	int	ncols,
		int	nrows,
		int	threshold,
		const unsigned char *	buf
	)

Definition at line 4 of file driver/draw.c.

◆ COM_Box_abs()

void COM_Box_abs	(	double	x1,
		double	y1,
		double	x2,
		double	y2
	)

Definition at line 4 of file driver/box.c.

◆ COM_Close()

void COM_Close ( void )

Definition at line 28 of file driver/draw.c.

References driver::Close.

Referenced by D_erase().

◆ COM_Color_RGB()

void COM_Color_RGB	(	unsigned char	r,
		unsigned char	g,
		unsigned char	b
	)

Definition at line 5 of file driver/color.c.

References b, driver::Color, g, and r.

Referenced by COM_Standard_color(), and D_RGB_color().

◆ COM_Cont()

void COM_Cont	(	double	x,
		double	y
	)

Definition at line 22 of file driver/draw.c.

References driver::Cont, and x.

Referenced by D_erase().

◆ COM_end_raster()

void COM_end_raster ( void )

Definition at line 29 of file driver/raster.c.

References driver::End_raster.

Referenced by D_raster_draw_end().

◆ COM_Erase()

void COM_Erase ( void )

Definition at line 4 of file driver/erase.c.

References driver::Erase.

Referenced by D__erase().

◆ COM_Fill()

void COM_Fill ( void )

Definition at line 40 of file driver/draw.c.

References driver::Fill.

Referenced by D_erase().

◆ COM_Font_info()

void COM_Font_info	(	char ***	list,
		int *	count
	)

Definition at line 154 of file font.c.

Referenced by D_font_info().

◆ COM_Font_list()

void COM_Font_list	(	char ***	list,
		int *	count
	)

Definition at line 147 of file font.c.

Referenced by D_font_list().

◆ COM_Get_text_box()

void COM_Get_text_box	(	const char *	text,
		double *	t,
		double *	b,
		double *	l,
		double *	r
	)

Definition at line 4 of file get_t_box.c.

References b, font_get_type(), get_text_ext(), get_text_ext_freetype(), GFONT_DRIVER, GFONT_FREETYPE, GFONT_STROKE, l, r, t, and driver::Text_box.

Referenced by D_get_text_box().

◆ COM_Get_window()

void COM_Get_window	(	double *	t,
		double *	b,
		double *	l,
		double *	r
	)

Definition at line 19 of file driver/set_window.c.

References t.

Referenced by D_get_clip_window().

◆ COM_Graph_close()

void COM_Graph_close ( void )

Definition at line 12 of file driver/graph.c.

References driver::Graph_close.

Referenced by D_close_driver().

◆ COM_Graph_get_file()

const char* COM_Graph_get_file ( void )

Definition at line 18 of file driver/graph.c.

References driver::Graph_get_file, and NULL.

Referenced by D_get_file().

◆ COM_Graph_set()

int COM_Graph_set ( void )

Definition at line 5 of file driver/graph.c.

References driver::Graph_set.

Referenced by LIB_init().

◆ COM_Line_width()

void COM_Line_width ( double width )

Definition at line 4 of file driver/line_width.c.

◆ COM_Move()

void COM_Move	(	double	x,
		double	y
	)

Definition at line 16 of file driver/draw.c.

References driver::Move, and x.

Referenced by D_erase().

◆ COM_Point()

void COM_Point	(	double	x,
		double	y
	)

Definition at line 46 of file driver/draw.c.

References driver::Point, and x.

◆ COM_Pos_abs()

void COM_Pos_abs	(	double	x,
		double	y
	)

Definition at line 4 of file driver/move.c.

References cur_x, cur_y, and x.

◆ COM_raster()

int COM_raster	(	int	n,
		int	row,
		const unsigned char *	red,
		const unsigned char *	grn,
		const unsigned char *	blu,
		const unsigned char *	nul
	)

Definition at line 19 of file driver/raster.c.

References driver::Raster.

◆ COM_Set_encoding()

void COM_Set_encoding ( const char * enc )

Definition at line 139 of file font.c.

Referenced by D_encoding().

◆ COM_Set_font()

void COM_Set_font ( const char * name )

Definition at line 84 of file font.c.

References font_exists(), G_is_absolute_path(), and name.

Referenced by D_font().

◆ COM_Set_window()

void COM_Set_window	(	double	t,
		double	b,
		double	l,
		double	r
	)

Definition at line 8 of file driver/set_window.c.

Referenced by D_set_clip_window_to_screen_window(), and LIB_init().

◆ COM_Standard_color()

void COM_Standard_color ( int number )

Definition at line 11 of file driver/color.c.

References color_rgb::b, COM_Color_RGB(), color_rgb::g, G_num_standard_colors(), G_standard_color_rgb(), and color_rgb::r.

Referenced by D_use_color().

◆ COM_Stroke()

void COM_Stroke ( void )

Definition at line 34 of file driver/draw.c.

References driver::Stroke.

◆ COM_Text()

void COM_Text ( const char * text )

Definition at line 4 of file driver/text.c.

References font_get_type(), GFONT_DRIVER, GFONT_FREETYPE, GFONT_STROKE, soft_text(), soft_text_freetype(), and driver::Text.

Referenced by D_text().

◆ COM_Text_rotation()

void COM_Text_rotation ( double val )

Definition at line 12 of file text_size.c.

References M_PI, matrix_valid, text_cosrot, text_rotation, and text_sinrot.

Referenced by D_text_rotation().

◆ COM_Text_size()

void COM_Text_size	(	double	x,
		double	y
	)

Definition at line 5 of file text_size.c.

References matrix_valid, text_size_x, text_size_y, and x.

◆ LIB_init()

void LIB_init ( const struct driver * drv )

Initialize display driver.

Parameters

drv	pointer to driver structure

Definition at line 47 of file driver/init.c.

References COM_Graph_set(), COM_Set_window(), DEF_HEIGHT, DEF_WIDTH, ftcap, parse_fontcap(), screen_height, and screen_width.

Variable Documentation

◆ cur_x

double cur_x

extern

Definition at line 32 of file driver/init.c.

Referenced by BM_get_sparse(), BM_set_sparse(), COM_Pos_abs(), and dig_prune().

◆ cur_y

double cur_y

extern

Definition at line 33 of file driver/init.c.

Referenced by COM_Pos_abs(), and dig_prune().

◆ ftcap

struct GFONT_CAP* ftcap

extern

Definition at line 27 of file driver/init.c.

Referenced by free_fontcap(), and LIB_init().

◆ matrix_valid

int matrix_valid

extern

Definition at line 40 of file driver/init.c.

Referenced by COM_Text_rotation(), and COM_Text_size().

◆ screen_height

int screen_height

extern

Definition at line 30 of file driver/init.c.

Referenced by LIB_init(), and PNG_Graph_set().

◆ screen_width

int screen_width

extern

Definition at line 29 of file driver/init.c.

Referenced by G_ls_format(), LIB_init(), and PNG_Graph_set().

◆ text_cosrot

double text_cosrot

extern

Definition at line 39 of file driver/init.c.

Referenced by COM_Text_rotation().

◆ text_rotation

double text_rotation

extern

Definition at line 37 of file driver/init.c.

Referenced by COM_Text_rotation().

◆ text_sinrot

double text_sinrot

extern

Definition at line 38 of file driver/init.c.

Referenced by COM_Text_rotation().

◆ text_size_x

double text_size_x

extern

Definition at line 35 of file driver/init.c.

Referenced by COM_Text_size().

◆ text_size_y

double text_size_y

extern

Definition at line 36 of file driver/init.c.

Referenced by COM_Text_size().

lib
driver
driver.h
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