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 <util/agxbuf.h>
#include <util/alloc.h>
#include <util/gv_ctype.h>
#include <util/gv_math.h>
#include <util/strcasecmp.h>
#include <util/unreachable.h>

Include dependency graph for colxlate.c:

This graph shows which files directly or indirectly include this file:

Go to the source code of this file.

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)
static char *	fullColor (agxbuf *xb, const char *prefix, const char *str)
static char *	resolveColor (const char *str)
int	colorxlate (const 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 169 of file colxlate.c.

DFLT_SCHEME_LEN

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

Definition at line 170 of file colxlate.c.

ISNONDFLT

#define ISNONDFLT

(

s

)

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

Definition at line 171 of file colxlate.c.

Function Documentation

colorcmpf()

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

static

Definition at line 124 of file colxlate.c.

colorxlate()

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

Definition at line 203 of file colxlate.c.

References hsvrgbacolor_t::a, A, agxbfree(), agxbputc(), agxbuse(), hsvrgbacolor_t::b, B, canon(), color(), COLOR_INDEX, color_lib, COLOR_MALLOC_FAIL, COLOR_OK, COLOR_STRING, COLOR_UNKNOWN, colorcmpf(), free(), hsvrgbacolor_t::g, G, gv_isdigit(), hsvrgbacolor_t::h, hsv2rgb(), HSVA_DOUBLE, NULL, hsvrgbacolor_t::r, resolveColor(), rgb2hsv(), RGBA_BYTE, RGBA_DOUBLE, RGBA_WORD, hsvrgbacolor_t::s, S, str, UNREACHABLE, hsvrgbacolor_t::v, and V.

Here is the call graph for this function:

fullColor()

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

static

Definition at line 132 of file colxlate.c.

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

Referenced by resolveColor().

Here is the call graph for this function:

Here is the caller graph for this function:

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().

Here is the caller graph for this function:

resolveColor()

static char * resolveColor ( const char *  str )

static

Definition at line 173 of file colxlate.c.

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

Referenced by colorxlate().

Here is the call graph for this function:

Here is the caller graph for this function:

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().

Here is the call graph for this function:

Here is the caller graph for this function:

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 395 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().

Here is the call graph for this function:

Here is the caller graph for this function:

Variable Documentation

colorscheme

char* colorscheme

static

Definition at line 33 of file colxlate.c.

Referenced by resolveColor(), and setColorScheme().