cairodriver.h File Reference

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <cairo.h>
#include <grass/config.h>
#include <grass/gis.h>
#include "driver.h"

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Macros
#define	DEFAULT_FILE_NAME   "map.png"
#define	HEADER_SIZE   64
#define	COLORSCALE   (1.0/255.0)
#define	CAIROCOLOR(a)   (((double)(a))*COLORSCALE)
#define	FTYPE_UNKNOWN   0
#define	FTYPE_PPM   1
#define	FTYPE_BMP   2
#define	FTYPE_PNG   3
#define	FTYPE_PDF   4
#define	FTYPE_PS   5
#define	FTYPE_SVG   6
#define	FTYPE_X11   7

Functions
struct driver *	Cairo_Driver (void)
void	Cairo_Client_Close (void)
int	Cairo_Graph_set (int, char **)
void	Cairo_Graph_close (void)
void	Cairo_Box_abs (int, int, int, int)
void	Cairo_Set_window (int, int, int, int)
void	Cairo_draw_line (int, int, int, int)
void	Cairo_draw_bitmap (int, int, int, const unsigned char *)
	Draw bitmap. More...
void	Cairo_draw_point (int, int)
void	Cairo_color (int)
int	Cairo_lookup_color (int, int, int)
void	Cairo_Erase (void)
void	Cairo_begin_scaled_raster (int, int[2][2], int[2][2])
int	Cairo_scaled_raster (int, int, const unsigned char *, const unsigned char *, const unsigned char *, const unsigned char *)
void	Cairo_end_scaled_raster (void)
void	Cairo_Line_width (int)
void	Cairo_Polygon_abs (const int *, const int *, int)
void	Cairo_Polyline_abs (const int *, const int *, int)
void	Cairo_Respond (void)
void	read_image (void)
void	read_ppm (void)
void	read_bmp (void)
void	write_image (void)
void	write_ppm (void)
void	write_bmp (void)

Variables
cairo_surface_t *	surface
cairo_t *	cairo
char *	file_name
int	file_type
int	width
int	height
int	stride
unsigned char *	grid
int	clip_left
int	clip_right
int	clip_top
int	clip_bottom
int	auto_write
double	bgcolor_r
double	bgcolor_g
double	bgcolor_b
double	bgcolor_a
int	modified
int	mapped

Macro Definition Documentation

#define CAIROCOLOR

(

a

)

(((double)(a))*COLORSCALE)

Definition at line 21 of file cairodriver.h.

Referenced by Cairo_color(), and Cairo_Graph_set().

#define COLORSCALE   (1.0/255.0)

Definition at line 20 of file cairodriver.h.

#define DEFAULT_FILE_NAME   "map.png"

Definition at line 15 of file cairodriver.h.

#define FTYPE_BMP   2

Definition at line 26 of file cairodriver.h.

Referenced by read_image(), and write_image().

#define FTYPE_PDF   4

Definition at line 28 of file cairodriver.h.

#define FTYPE_PNG   3

Definition at line 27 of file cairodriver.h.

Referenced by read_image(), and write_image().

#define FTYPE_PPM   1

Definition at line 25 of file cairodriver.h.

Referenced by read_image(), and write_image().

#define FTYPE_PS   5

Definition at line 29 of file cairodriver.h.

#define FTYPE_SVG   6

Definition at line 30 of file cairodriver.h.

#define FTYPE_UNKNOWN   0

Definition at line 24 of file cairodriver.h.

#define FTYPE_X11   7

Definition at line 31 of file cairodriver.h.

Referenced by write_image().

#define HEADER_SIZE   64

Definition at line 17 of file cairodriver.h.

Referenced by read_bmp(), and write_bmp().

Function Documentation

void Cairo_begin_scaled_raster	(	int	,
		int	[2][2],
		int	[2][2]
	)

Definition at line 12 of file cairodriver/Raster.c.

References G_debug(), and G_fatal_error().

Referenced by Cairo_Driver().

void Cairo_Box_abs	(	int	,
		int	,
		int	,
		int
	)

Definition at line 5 of file cairodriver/Box.c.

References cairo, G_debug(), and modified.

Referenced by Cairo_Driver().

void Cairo_Client_Close

(

void

)

Definition at line 3 of file cairodriver/Client.c.

References auto_write, G_debug(), and write_image().

Referenced by Cairo_Driver().

void Cairo_color

(

int

)

Definition at line 7 of file cairodriver/Color.c.

References b, cairo, CAIROCOLOR, tools::color, g, G_debug(), previous_color, and r.

Referenced by Cairo_Driver().

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

Draw bitmap.

Parameters

ncols,nrows	number of columns and rows
threshold	threshold value
buf	data buffer

Definition at line 26 of file cairodriver/Draw_bitmap.c.

References cairo, cur_x, cur_y, menudata::data, G_debug(), G_fatal_error(), malloc(), modified, and stride.

Referenced by Cairo_Driver().

void Cairo_draw_line	(	int	,
		int	,
		int	,
		int
	)

Definition at line 3 of file cairodriver/Draw_line.c.

References cairo, G_debug(), and modified.

Referenced by Cairo_Driver().

void Cairo_draw_point	(	int	,
		int
	)

Definition at line 6 of file cairodriver/Draw_point.c.

References cairo, G_debug(), HALFPOINTSIZE, modified, and POINTSIZE.

Referenced by Cairo_Driver().

struct driver* Cairo_Driver

(

void

)

Definition at line 22 of file cairodriver/Driver.c.

References driver::Begin_scaled_raster, driver::Box_abs, driver::Box_rel, Cairo_begin_scaled_raster(), Cairo_Box_abs(), Cairo_Client_Close(), Cairo_color(), Cairo_draw_bitmap(), Cairo_draw_line(), Cairo_draw_point(), Cairo_end_scaled_raster(), Cairo_Erase(), Cairo_Graph_close(), Cairo_Graph_set(), Cairo_Line_width(), Cairo_lookup_color(), Cairo_Polygon_abs(), Cairo_Polyline_abs(), Cairo_Respond(), Cairo_scaled_raster(), Cairo_Set_window(), driver::Client_Close, driver::Client_Open, driver::color, driver::Do_work, driver::draw_bitmap, driver::draw_line, driver::draw_point, driver::draw_text, driver::End_scaled_raster, driver::Erase, driver::Get_with_box, driver::Get_with_line, driver::Get_with_pointer, driver::Graph_close, driver::Graph_set, driver::Line_width, driver::lookup_color, NULL, driver::Panel_delete, driver::Panel_restore, driver::Panel_save, driver::Polydots_abs, driver::Polydots_rel, driver::Polygon_abs, driver::Polygon_rel, driver::Polyline_abs, driver::Polyline_rel, driver::Respond, driver::Scaled_raster, driver::Set_window, and driver::Work_stream.

void Cairo_end_scaled_raster

(

void

)

Definition at line 76 of file cairodriver/Raster.c.

References cairo, G_debug(), and modified.

Referenced by Cairo_Driver().

void Cairo_Erase

(

void

)

Definition at line 3 of file cairodriver/Erase.c.

References bgcolor_a, bgcolor_b, bgcolor_g, bgcolor_r, cairo, G_debug(), and modified.

Referenced by Cairo_Driver().

void Cairo_Graph_close

(

void

)

Definition at line 258 of file cairodriver/Graph.c.

References cairo, G_debug(), NULL, tools::surface, and write_image().

Referenced by Cairo_Driver().

int Cairo_Graph_set	(	int	,
		char **
	)

Definition at line 217 of file cairodriver/Graph.c.

References auto_write, bgcolor_a, bgcolor_b, bgcolor_g, bgcolor_r, CAIROCOLOR, G_debug(), G_fatal_error(), and getenv().

Referenced by Cairo_Driver().

void Cairo_Line_width

(

int

)

Definition at line 11 of file cairodriver/Line_width.c.

References cairo, G_debug(), MAX, and MIN_WIDTH.

Referenced by Cairo_Driver().

int Cairo_lookup_color	(	int	,
		int	,
		int
	)

Definition at line 25 of file cairodriver/Color.c.

References G_debug().

Referenced by Cairo_Driver().

void Cairo_Polygon_abs	(	const int *	,
		const int *	,
		int
	)

Definition at line 12 of file Poly.c.

References cairo, do_polygon(), and G_debug().

Referenced by Cairo_Driver().

void Cairo_Polyline_abs	(	const int *	,
		const int *	,
		int
	)

Definition at line 19 of file Poly.c.

References cairo, do_polygon(), and G_debug().

Referenced by Cairo_Driver().

void Cairo_Respond

(

void

)

Definition at line 4 of file cairodriver/Respond.c.

References auto_write, and write_image().

Referenced by Cairo_Driver().

int Cairo_scaled_raster	(	int	,
		int	,
		const unsigned char *	,
		const unsigned char *	,
		const unsigned char *	,
		const unsigned char *
	)

Definition at line 50 of file cairodriver/Raster.c.

References b, g, G_debug(), n, and r.

Referenced by Cairo_Driver().

void Cairo_Set_window	(	int	,
		int	,
		int	,
		int
	)

Definition at line 3 of file cairodriver/Set_window.c.

References cairo, and G_debug().

Referenced by Cairo_Driver().

void read_bmp

(

void

)

Definition at line 67 of file cairodriver/read_bmp.c.

Referenced by read_image().

void read_image

(

void

)

Definition at line 3 of file cairodriver/read.c.

Referenced by PNG_Graph_set().

void read_ppm

(

void

)

Definition at line 3 of file cairodriver/read_ppm.c.

Referenced by read_image().

void write_bmp

(

void

)

Definition at line 51 of file cairodriver/write_bmp.c.

Referenced by write_image().

void write_image

(

void

)

Definition at line 8 of file cairodriver/write.c.

Referenced by Cairo_Client_Close(), Cairo_Graph_close(), Cairo_Respond(), PNG_Client_Close(), PNG_Graph_close(), PNG_Graph_set(), and PNG_Respond().

void write_ppm

(

void

)

Definition at line 3 of file cairodriver/write_ppm.c.

Referenced by write_image().

Variable Documentation

int auto_write

Definition at line 44 of file cairodriver.h.

Referenced by Cairo_Client_Close(), Cairo_Graph_set(), Cairo_Respond(), PNG_Client_Close(), PNG_Graph_set(), and PNG_Respond().

double bgcolor_a

Definition at line 56 of file cairodriver/Graph.c.

Referenced by Cairo_Erase(), and Cairo_Graph_set().

double bgcolor_b

Definition at line 56 of file cairodriver/Graph.c.

Referenced by Cairo_Erase(), and Cairo_Graph_set().

double bgcolor_g

Definition at line 56 of file cairodriver/Graph.c.

Referenced by Cairo_Erase(), and Cairo_Graph_set().

double bgcolor_r

Definition at line 56 of file cairodriver/Graph.c.

Referenced by Cairo_Erase(), and Cairo_Graph_set().

cairo_t* cairo

Definition at line 60 of file cairodriver/Graph.c.

Referenced by Cairo_Box_abs(), Cairo_color(), Cairo_draw_bitmap(), Cairo_draw_line(), Cairo_draw_point(), Cairo_end_scaled_raster(), Cairo_Erase(), Cairo_Graph_close(), Cairo_Line_width(), Cairo_Polygon_abs(), Cairo_Polyline_abs(), Cairo_Set_window(), do_polygon(), read_image(), and write_image().

int clip_bottom

int clip_left

Definition at line 33 of file pngdriver/Graph_set.c.

Referenced by PNG_Box_abs(), PNG_draw_bitmap(), PNG_Graph_set(), PNG_scaled_raster(), and PNG_Set_window().

int clip_right

int clip_top

Definition at line 33 of file pngdriver/Graph_set.c.

Referenced by PNG_Box_abs(), PNG_draw_bitmap(), PNG_Graph_set(), PNG_scaled_raster(), and PNG_Set_window().

char* file_name

Definition at line 46 of file cairodriver/Graph.c.

Referenced by find_datah(), G_vasprintf(), PNG_Graph_set(), PS_Graph_set(), read_bmp(), read_image(), read_pgm(), read_png(), read_ppm(), write_bmp(), write_image(), write_pgm(), write_png(), and write_ppm().

int file_type

Definition at line 47 of file cairodriver/Graph.c.

Referenced by find_datah(), gvl_file_newh(), read_image(), and write_image().

unsigned char* grid

Definition at line 50 of file cairodriver/Graph.c.

Referenced by G_get_raster_sample_bilinear(), G_get_raster_sample_cubic(), PNG_Box_abs(), PNG_draw_bitmap(), PNG_draw_point(), PNG_Erase(), PNG_Graph_close(), PNG_Graph_set(), PNG_scaled_raster(), read_bmp(), read_pgm(), read_png(), read_ppm(), write_bmp(), write_pgm(), write_png(), and write_ppm().

int height

Definition at line 49 of file cairodriver/Graph.c.

Referenced by avl_copy(), D_popup(), gsd_get_txtheight(), Nviz_set_viewpoint_height(), PNG_Box_abs(), PNG_Erase(), PNG_Graph_set(), PS_Graph_set(), read_bmp(), read_pgm(), read_png(), read_ppm(), write_bmp(), write_pgm(), write_png(), write_ppm(), and write_setup().

int mapped

Definition at line 53 of file cairodriver/Graph.c.

Referenced by PNG_Graph_close(), PNG_Graph_set(), and write_image().

int modified

Definition at line 51 of file cairodriver/Graph.c.

Referenced by Cairo_Box_abs(), Cairo_draw_bitmap(), Cairo_draw_line(), Cairo_draw_point(), Cairo_end_scaled_raster(), Cairo_Erase(), PNG_Box_abs(), PNG_draw_bitmap(), PNG_draw_line(), PNG_draw_point(), PNG_Erase(), PNG_Graph_set(), PNG_scaled_raster(), read_image(), and write_image().

int stride

Definition at line 49 of file cairodriver/Graph.c.

Referenced by Cairo_draw_bitmap(), read_bmp(), read_ppm(), write_bmp(), and write_ppm().

cairo_surface_t* surface

Definition at line 1397 of file tools.py.

Referenced by Cairo_Graph_close(), read_image(), and write_image().

int width

Definition at line 2959 of file psmap/dialogs.py.