lib/colHash.h File Reference

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Data Structures
struct	colHashEl
struct	colHash
Defines
#define	colHashFunc(r, g, b)   (r+g+g+b)
Functions
colHash *	colHashNew ()
void	colHashFree (struct colHash **pEl)
colHashEl *	colHashAdd (struct colHash *cHash, unsigned r, unsigned g, unsigned b, int ix)
colHashEl *	colHashLookup (struct colHash *cHash, unsigned r, unsigned g, unsigned b)

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Define Documentation

#define colHashFunc	(	r,
		g,
		b		)	(r+g+g+b)

Definition at line 6 of file colHash.h.

Referenced by colHashAdd(), and colHashLookup().

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Function Documentation

struct colHashEl* colHashAdd	(	struct colHash *	cHash,
		unsigned	r,
		unsigned	g,
		unsigned	b,
		int	ix
	)			[read]

Definition at line 25 of file colHash.c.

References rgbColor::b, colHashEl::col, colHashFunc, colHash::freeEl, rgbColor::g, colHashEl::ix, colHash::lists, rgbColor::r, and slAddHead.

Referenced by mgAddColor(), and pscmAddColor().

{
struct colHashEl *che = cHash->freeEl++, **pCel;
che->col.r = r;
che->col.g = g;
che->col.b = b;
che->ix = ix;
pCel = &cHash->lists[colHashFunc(r,g,b)];
slAddHead(pCel, che);
return che;
}

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void colHashFree

(

struct colHash **

pEl

)

Definition at line 19 of file colHash.c.

References freez().

Referenced by mgFree(), and pscmClose().

{
freez(pEl);
}

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struct colHashEl* colHashLookup	(	struct colHash *	cHash,
		unsigned	r,
		unsigned	g,
		unsigned	b
	)			[read]

Definition at line 39 of file colHash.c.

References rgbColor::b, colHashEl::col, colHashFunc, rgbColor::g, colHash::lists, colHashEl::next, and rgbColor::r.

Referenced by mgFindColor(), and pscmFindColorIx().

{
struct colHashEl *che;
for (che = cHash->lists[colHashFunc(r,g,b)]; che != NULL; che = che->next)
    if (che->col.r == r && che->col.g == g && che->col.b == b)
        return che;
return NULL;
}

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struct colHash* colHashNew

(

)

[read]

Definition at line 10 of file colHash.c.

References AllocVar, colHash::elBuf, and colHash::freeEl.

Referenced by mgNew(), and pscmOpen().

{
struct colHash *cHash;
AllocVar(cHash);
cHash->freeEl = cHash->elBuf;
return cHash;
}

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