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#include <u.h>
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#include <libc.h>
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#include <draw.h>
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/*
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 * Cobble fake font using existing subfont
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 */
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Font*
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mkfont(Subfont *subfont, Rune min)
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{
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	Font *font;
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	Cachefont *c;
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	font = malloc(sizeof(Font));
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	if(font == 0)
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		return 0;
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	memset(font, 0, sizeof(Font));
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	font->display = subfont->bits->display;
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	font->name = strdup("<synthetic>");
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	font->ncache = NFCACHE+NFLOOK;
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	font->nsubf = NFSUBF;
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	font->cache = malloc(font->ncache * sizeof(font->cache[0]));
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	font->subf = malloc(font->nsubf * sizeof(font->subf[0]));
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	if(font->name==0 || font->cache==0 || font->subf==0){
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    Err:
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		free(font->name);
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		free(font->cache);
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		free(font->subf);
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		free(font->sub);
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		free(font);
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		return 0;
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	}
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	memset(font->cache, 0, font->ncache*sizeof(font->cache[0]));
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	memset(font->subf, 0, font->nsubf*sizeof(font->subf[0]));
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	font->height = subfont->height;
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	font->ascent = subfont->ascent;
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	font->age = 1;
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	font->sub = malloc(sizeof(Cachefont*));
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	if(font->sub == 0)
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		goto Err;
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	c = malloc(sizeof(Cachefont));
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	if(c == 0)
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		goto Err;
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	font->nsub = 1;
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	font->sub[0] = c;
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	c->min = min;
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	c->max = min+subfont->n-1;
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	c->offset = 0;
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	c->name = 0;	/* noticed by freeup() and agefont() */
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	c->subfontname = 0;
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	font->subf[0].age = 0;
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	font->subf[0].cf = c;
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	font->subf[0].f = subfont;
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	return font;
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}