colxlate.c File Reference

API colorprocs.h. More...

#include <stdio.h>
#include <math.h>
#include <stdbool.h>
#include <stdlib.h>
#include <string.h>
#include <common/arith.h>
#include <common/color.h>
#include <common/colorprocs.h>
#include <common/colortbl.h>
#include <cgraph/agxbuf.h>
#include <cgraph/alloc.h>
#include <cgraph/gv_ctype.h>
#include <cgraph/gv_math.h>
#include <cgraph/strcasecmp.h>
#include <cgraph/unreachable.h>

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Macros
#define	DFLT_SCHEME   "X11/" /* Must have final '/' */
#define	DFLT_SCHEME_LEN   ((sizeof(DFLT_SCHEME)-1)/sizeof(char))
#define	ISNONDFLT(s)   ((s) && *(s) && strncasecmp(DFLT_SCHEME, s, DFLT_SCHEME_LEN-1))

Functions
static void	hsv2rgb (double h, double s, double v, double *r, double *g, double *b)
static void	rgb2hsv (double r, double g, double b, double *h, double *s, double *v)
static int	colorcmpf (const void *p0, const void *p1)
char *	canontoken (char *str)
static char *	fullColor (agxbuf *xb, const char *prefix, const char *str)
static char *	resolveColor (char *str)
int	colorxlate (char *str, gvcolor_t *color, color_type_t target_type)
char *	setColorScheme (const char *s)

Variables
static char *	colorscheme

Macro Definition Documentation

DFLT_SCHEME

#define DFLT_SCHEME   "X11/" /* Must have final '/' */

Definition at line 181 of file colxlate.c.

DFLT_SCHEME_LEN

#define DFLT_SCHEME_LEN   ((sizeof(DFLT_SCHEME)-1)/sizeof(char))

Definition at line 182 of file colxlate.c.

ISNONDFLT

#define ISNONDFLT

(

s

)

((s) && *(s) && strncasecmp(DFLT_SCHEME, s, DFLT_SCHEME_LEN-1))

Definition at line 183 of file colxlate.c.

Function Documentation

canontoken()

char * canontoken

(

char *

str

)

Definition at line 129 of file colxlate.c.

References agxbdisown(), agxbputc(), canon(), gv_tolower(), and str.

Referenced by gvrender_resolve_color().

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colorcmpf()

static int colorcmpf ( const void *  p0, const void *  p1  )

static

Definition at line 124 of file colxlate.c.

colorxlate()

int colorxlate	(	char *	str,
		gvcolor_t *	color,
		color_type_t	target_type
	)

Definition at line 217 of file colxlate.c.

References A, agxbfree(), agxbputc(), agxbuse(), B, canon(), color(), COLOR_INDEX, color_lib, COLOR_MALLOC_FAIL, COLOR_OK, COLOR_STRING, COLOR_UNKNOWN, colorcmpf(), free(), G, gv_isdigit(), hsv2rgb(), HSVA_DOUBLE, last, NULL, resolveColor(), rgb2hsv(), RGBA_BYTE, RGBA_DOUBLE, RGBA_WORD, agxbuf::s, S, str, agxbuf::u, UNREACHABLE, and V.

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fullColor()

static char * fullColor ( agxbuf *  xb, const char *  prefix, const char *  str  )

static

Definition at line 144 of file colxlate.c.

References agxbprint(), agxbuse(), prefix, and str.

Referenced by resolveColor().

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hsv2rgb()

static void hsv2rgb ( double  h, double  s, double  v, double *  r, double *  g, double *  b  )

static

Definition at line 35 of file colxlate.c.

References UNREACHABLE.

Referenced by colorxlate().

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resolveColor()

static char * resolveColor ( char *  str )

static

Definition at line 185 of file colxlate.c.

References agxbfree(), colorscheme, DFLT_SCHEME, DFLT_SCHEME_LEN, fullColor(), ISNONDFLT, on_heap(), and str.

Referenced by colorxlate().

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rgb2hsv()

static void rgb2hsv ( double  r, double  g, double  b, double *  h, double *  s, double *  v  )

static

Definition at line 91 of file colxlate.c.

References is_exactly_equal().

Referenced by colorxlate().

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setColorScheme()

char * setColorScheme

(

const char *

s

)

set current color scheme for resolving names

Callers should eventually free the returned pointer from this function.

Parameters

s	Color scheme to set

Returns

Previous color scheme

Definition at line 414 of file colxlate.c.

References colorscheme, gv_strdup(), and NULL.

Referenced by emit_begin_node(), emit_clusters(), emit_edge_graphics(), emit_end_node(), emit_page(), and object_color().

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Variable Documentation

colorscheme

char* colorscheme

static

Definition at line 33 of file colxlate.c.

Referenced by resolveColor(), and setColorScheme().