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	string.c - sam - An updated version of the sam text editor.
	git clone git://vernunftzentrum.de/sam.git
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	string.c (1094B)
	---
	1 /* Copyright (c) 1998 Lucent Technologies - All rights reserved. */
	2 #include <string.h>
	3 #include <u.h>
	4 #include <libg.h>
	5 #include "libgint.h"
	6
	7 Point
	8 string(Bitmap b, Point p, XftFont ft, char *s, Fcode f)
	9 {
	10 size_t length = strlen(s);
	11 int x = p.x;
	12 int y = p.y;
	13
	14 x = p.x;
	15 y = p.y;
	16 if (b->flag & SHIFT){
	17 x -= b->r.min.x;
	18 y -= b->r.min.y;
	19 }
	20 y += ft->ascent;
	21
	22 if (!b->fd)
	23 b->fd = XftDrawCreate(_dpy, (Drawable)(b->id), DefaultVisual(_dp…
	24 XftDrawStringUtf8(b->fd, &fontcolor, ft, x, y, (FcChar8 *)s, length);
	25
	26 x += strwidth(ft, s);
	27
	28 p.x = (b->flag & SHIFT) ? x + b->r.min.x : x;
	29 p.x = x + b->r.min.x;
	30 return p;
	31 }
	32
	33
	34 int64_t
	35 strwidth(XftFont f, char s)
	36 {
	37 XGlyphInfo extents = {0};
	38 XftTextExtentsUtf8(_dpy, f, (FcChar8 *)s, strlen(s), &extents);
	39
	40 return extents.xOff;
	41 }
	42
	43 int64_t
	44 charwidth(XftFont *f, wchar_t r)
	45 {
	46 char chars[MB_LEN_MAX + 1] = {0};
	47
	48 if (runetochar(chars, r) < 0)
	49 return 0;
	50
	51 return strwidth(f, chars);
	52 }