Use character size scaling factors

The bounding boxes for characters can be scaled using "cwscale" and "chscale"
to scale the width and height respectively.
master
Eric Pruitt 11 years ago committed by Roberto E. Vargas Caballero
parent aaee0e8b28
commit 7e3cff33ff

@ -13,7 +13,6 @@ code & interface
drawing
-------
* add diacritics support to xdraws()
* add kerning configuration
* make the font cache simpler
* add hard width handling
* xft is reporting wrong width and height for characters

@ -9,6 +9,10 @@ static char font[] = "Liberation Mono:pixelsize=12:antialias=false:autohint=fals
static int borderpx = 2;
static char shell[] = "/bin/sh";
/* Kerning / character bounding-box mutlipliers */
float cwscale = 1.0;
float chscale = 1.0;
/*
* word delimiter string
*

20
st.c

@ -76,6 +76,7 @@ char *argv0;
#define ATTRCMP(a, b) ((a).mode != (b).mode || (a).fg != (b).fg || (a).bg != (b).bg)
#define IS_SET(flag) ((term.mode & (flag)) != 0)
#define TIMEDIFF(t1, t2) ((t1.tv_sec-t2.tv_sec)*1000 + (t1.tv_usec-t2.tv_usec)/1000)
#define CEIL(x) (((x) != (int) (x)) ? (x) + 1 : (x))
#define TRUECOLOR(r,g,b) (1 << 24 | (r) << 16 | (g) << 8 | (b))
#define IS_TRUECOL(x) (1 << 24 & (x))
@ -2777,8 +2778,8 @@ xloadfonts(char *fontstr, int fontsize) {
die("st: can't open font %s\n", fontstr);
/* Setting character width and height. */
xw.cw = dc.font.width;
xw.ch = dc.font.height;
xw.cw = CEIL(dc.font.width * cwscale);
xw.ch = CEIL(dc.font.height * chscale);
FcPatternDel(pattern, FC_SLANT);
FcPatternAddInteger(pattern, FC_SLANT, FC_SLANT_ITALIC);
@ -2960,6 +2961,7 @@ xdraws(char *s, Glyph base, int x, int y, int charlen, int bytelen) {
Colour *fg, *bg, *temp, revfg, revbg, truefg, truebg;
XRenderColor colfg, colbg;
Rectangle r;
int oneatatime;
frcflags = FRC_NORMAL;
@ -3087,6 +3089,7 @@ xdraws(char *s, Glyph base, int x, int y, int charlen, int bytelen) {
u8fs = s;
u8fblen = 0;
u8fl = 0;
oneatatime = font->width != xw.cw;
for(;;) {
u8c = s;
u8cblen = utf8decode(s, &u8char);
@ -3094,8 +3097,8 @@ xdraws(char *s, Glyph base, int x, int y, int charlen, int bytelen) {
bytelen -= u8cblen;
doesexist = XftCharExists(xw.dpy, font->match, u8char);
if(!doesexist || bytelen <= 0) {
if(bytelen <= 0) {
if(oneatatime || !doesexist || bytelen <= 0) {
if(oneatatime || bytelen <= 0) {
if(doesexist) {
u8fl++;
u8fblen += u8cblen;
@ -3108,7 +3111,7 @@ xdraws(char *s, Glyph base, int x, int y, int charlen, int bytelen) {
winy + font->ascent,
(FcChar8 *)u8fs,
u8fblen);
xp += font->width * u8fl;
xp += CEIL(font->width * cwscale * u8fl);
}
break;
@ -3117,8 +3120,11 @@ xdraws(char *s, Glyph base, int x, int y, int charlen, int bytelen) {
u8fl++;
u8fblen += u8cblen;
}
if(doesexist)
if(doesexist) {
if (oneatatime);
continue;
break;
}
/* Search the font cache. */
for(i = 0; i < frclen; i++) {
@ -3178,7 +3184,7 @@ xdraws(char *s, Glyph base, int x, int y, int charlen, int bytelen) {
xp, winy + frc[i].font->ascent,
(FcChar8 *)u8c, u8cblen);
xp += font->width;
xp += CEIL(font->width * cwscale);
}
/*

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