wide glyphs

This commit is contained in:
mrsu 2023-06-26 10:16:41 +01:00
parent fa3ca0c2fb
commit b848164a1c
6 changed files with 438 additions and 63 deletions

163
patches/st-font2-0.8.5.diff Normal file
View File

@ -0,0 +1,163 @@
From 1635e04d3643dd4caa0c7c2043b585c6d7e4705f Mon Sep 17 00:00:00 2001
From: Rizqi Nur Assyaufi <bandithijo@gmail.com>
Date: Mon, 18 Jul 2022 01:15:45 +0800
Subject: [PATCH] [st][patch][font2] Add patch for st-0.8.5
---
config.def.h | 6 +++
x.c | 101 +++++++++++++++++++++++++++++++++++++++++++++++++++
2 files changed, 107 insertions(+)
diff --git a/config.def.h b/config.def.h
index 91ab8ca..717b2f0 100644
--- a/config.def.h
+++ b/config.def.h
@@ -6,6 +6,12 @@
* font: see http://freedesktop.org/software/fontconfig/fontconfig-user.html
*/
static char *font = "Liberation Mono:pixelsize=12:antialias=true:autohint=true";
+/* Spare fonts */
+static char *font2[] = {
+/* "Inconsolata for Powerline:pixelsize=12:antialias=true:autohint=true", */
+/* "Hack Nerd Font Mono:pixelsize=11:antialias=true:autohint=true", */
+};
+
static int borderpx = 2;
/*
diff --git a/x.c b/x.c
index 8a16faa..220fc4f 100644
--- a/x.c
+++ b/x.c
@@ -157,6 +157,8 @@ static void xhints(void);
static int xloadcolor(int, const char *, Color *);
static int xloadfont(Font *, FcPattern *);
static void xloadfonts(const char *, double);
+static int xloadsparefont(FcPattern *, int);
+static void xloadsparefonts(void);
static void xunloadfont(Font *);
static void xunloadfonts(void);
static void xsetenv(void);
@@ -306,6 +308,7 @@ zoomabs(const Arg *arg)
{
xunloadfonts();
xloadfonts(usedfont, arg->f);
+ xloadsparefonts();
cresize(0, 0);
redraw();
xhints();
@@ -1034,6 +1037,101 @@ xloadfonts(const char *fontstr, double fontsize)
FcPatternDestroy(pattern);
}
+int
+xloadsparefont(FcPattern *pattern, int flags)
+{
+ FcPattern *match;
+ FcResult result;
+
+ match = FcFontMatch(NULL, pattern, &result);
+ if (!match) {
+ return 1;
+ }
+
+ if (!(frc[frclen].font = XftFontOpenPattern(xw.dpy, match))) {
+ FcPatternDestroy(match);
+ return 1;
+ }
+
+ frc[frclen].flags = flags;
+ /* Believe U+0000 glyph will present in each default font */
+ frc[frclen].unicodep = 0;
+ frclen++;
+
+ return 0;
+}
+
+void
+xloadsparefonts(void)
+{
+ FcPattern *pattern;
+ double sizeshift, fontval;
+ int fc;
+ char **fp;
+
+ if (frclen != 0)
+ die("can't embed spare fonts. cache isn't empty");
+
+ /* Calculate count of spare fonts */
+ fc = sizeof(font2) / sizeof(*font2);
+ if (fc == 0)
+ return;
+
+ /* Allocate memory for cache entries. */
+ if (frccap < 4 * fc) {
+ frccap += 4 * fc - frccap;
+ frc = xrealloc(frc, frccap * sizeof(Fontcache));
+ }
+
+ for (fp = font2; fp - font2 < fc; ++fp) {
+
+ if (**fp == '-')
+ pattern = XftXlfdParse(*fp, False, False);
+ else
+ pattern = FcNameParse((FcChar8 *)*fp);
+
+ if (!pattern)
+ die("can't open spare font %s\n", *fp);
+
+ if (defaultfontsize > 0) {
+ sizeshift = usedfontsize - defaultfontsize;
+ if (sizeshift != 0 &&
+ FcPatternGetDouble(pattern, FC_PIXEL_SIZE, 0, &fontval) ==
+ FcResultMatch) {
+ fontval += sizeshift;
+ FcPatternDel(pattern, FC_PIXEL_SIZE);
+ FcPatternDel(pattern, FC_SIZE);
+ FcPatternAddDouble(pattern, FC_PIXEL_SIZE, fontval);
+ }
+ }
+
+ FcPatternAddBool(pattern, FC_SCALABLE, 1);
+
+ FcConfigSubstitute(NULL, pattern, FcMatchPattern);
+ XftDefaultSubstitute(xw.dpy, xw.scr, pattern);
+
+ if (xloadsparefont(pattern, FRC_NORMAL))
+ die("can't open spare font %s\n", *fp);
+
+ FcPatternDel(pattern, FC_SLANT);
+ FcPatternAddInteger(pattern, FC_SLANT, FC_SLANT_ITALIC);
+ if (xloadsparefont(pattern, FRC_ITALIC))
+ die("can't open spare font %s\n", *fp);
+
+ FcPatternDel(pattern, FC_WEIGHT);
+ FcPatternAddInteger(pattern, FC_WEIGHT, FC_WEIGHT_BOLD);
+ if (xloadsparefont(pattern, FRC_ITALICBOLD))
+ die("can't open spare font %s\n", *fp);
+
+ FcPatternDel(pattern, FC_SLANT);
+ FcPatternAddInteger(pattern, FC_SLANT, FC_SLANT_ROMAN);
+ if (xloadsparefont(pattern, FRC_BOLD))
+ die("can't open spare font %s\n", *fp);
+
+ FcPatternDestroy(pattern);
+ }
+}
+
void
xunloadfont(Font *f)
{
@@ -1131,6 +1229,9 @@ xinit(int cols, int rows)
usedfont = (opt_font == NULL)? font : opt_font;
xloadfonts(usedfont, 0);
+ /* spare fonts */
+ xloadsparefonts();
+
/* colors */
xw.cmap = XDefaultColormap(xw.dpy, xw.scr);
xloadcols();
--
2.37.1

View File

@ -0,0 +1,206 @@
From 68de38fadd04f2f454bceccea0fccc8276b635cb Mon Sep 17 00:00:00 2001
From: wael <40663@protonmail.com>
Date: Mon, 11 Apr 2022 16:45:49 +0300
Subject: [PATCH] add glyph wide support patch
---
st.h | 6 +++
x.c | 134 +++++++++++++++++++++++++++++------------------------------
2 files changed, 73 insertions(+), 67 deletions(-)
diff --git a/st.h b/st.h
index 519b9bd..4f74621 100644
--- a/st.h
+++ b/st.h
@@ -36,6 +36,12 @@ enum glyph_attribute {
ATTR_BOLD_FAINT = ATTR_BOLD | ATTR_FAINT,
};
+enum drawing_mode {
+ DRAW_NONE = 0,
+ DRAW_BG = 1 << 0,
+ DRAW_FG = 1 << 1,
+};
+
enum selection_mode {
SEL_IDLE = 0,
SEL_EMPTY = 1,
diff --git a/x.c b/x.c
index 2a3bd38..d60df52 100644
--- a/x.c
+++ b/x.c
@@ -142,7 +142,7 @@ typedef struct {
static inline ushort sixd_to_16bit(int);
static int xmakeglyphfontspecs(XftGlyphFontSpec *, const Glyph *, int, int, int);
-static void xdrawglyphfontspecs(const XftGlyphFontSpec *, Glyph, int, int, int);
+static void xdrawglyphfontspecs(const XftGlyphFontSpec *, Glyph, int, int, int, int);
static void xdrawglyph(Glyph, int, int);
static void xclear(int, int, int, int);
static int xgeommasktogravity(int);
@@ -1372,7 +1372,7 @@ xmakeglyphfontspecs(XftGlyphFontSpec *specs, const Glyph *glyphs, int len, int x
}
void
-xdrawglyphfontspecs(const XftGlyphFontSpec *specs, Glyph base, int len, int x, int y)
+xdrawglyphfontspecs(const XftGlyphFontSpec *specs, Glyph base, int len, int x, int y, int dmode)
{
int charlen = len * ((base.mode & ATTR_WIDE) ? 2 : 1);
int winx = borderpx + x * win.cw, winy = borderpx + y * win.ch,
@@ -1463,47 +1463,40 @@ xdrawglyphfontspecs(const XftGlyphFontSpec *specs, Glyph base, int len, int x, i
if (base.mode & ATTR_INVISIBLE)
fg = bg;
- /* Intelligent cleaning up of the borders. */
- if (x == 0) {
- xclear(0, (y == 0)? 0 : winy, borderpx,
- winy + win.ch +
- ((winy + win.ch >= borderpx + win.th)? win.h : 0));
- }
- if (winx + width >= borderpx + win.tw) {
- xclear(winx + width, (y == 0)? 0 : winy, win.w,
- ((winy + win.ch >= borderpx + win.th)? win.h : (winy + win.ch)));
- }
- if (y == 0)
- xclear(winx, 0, winx + width, borderpx);
- if (winy + win.ch >= borderpx + win.th)
- xclear(winx, winy + win.ch, winx + width, win.h);
-
- /* Clean up the region we want to draw to. */
- XftDrawRect(xw.draw, bg, winx, winy, width, win.ch);
-
- /* Set the clip region because Xft is sometimes dirty. */
- r.x = 0;
- r.y = 0;
- r.height = win.ch;
- r.width = width;
- XftDrawSetClipRectangles(xw.draw, winx, winy, &r, 1);
-
- /* Render the glyphs. */
- XftDrawGlyphFontSpec(xw.draw, fg, specs, len);
-
- /* Render underline and strikethrough. */
- if (base.mode & ATTR_UNDERLINE) {
- XftDrawRect(xw.draw, fg, winx, winy + dc.font.ascent * chscale + 1,
- width, 1);
- }
-
- if (base.mode & ATTR_STRUCK) {
- XftDrawRect(xw.draw, fg, winx, winy + 2 * dc.font.ascent * chscale / 3,
- width, 1);
- }
-
- /* Reset clip to none. */
- XftDrawSetClip(xw.draw, 0);
+ if (dmode & DRAW_BG) {
+ /* Intelligent cleaning up of the borders. */
+ if (x == 0) {
+ xclear(0, (y == 0)? 0 : winy, borderpx,
+ winy + win.ch +
+ ((winy + win.ch >= borderpx + win.th)? win.h : 0));
+ }
+ if (winx + width >= borderpx + win.tw) {
+ xclear(winx + width, (y == 0)? 0 : winy, win.w,
+ ((winy + win.ch >= borderpx + win.th)? win.h : (winy + win.ch)));
+ }
+ if (y == 0)
+ xclear(winx, 0, winx + width, borderpx);
+ if (winy + win.ch >= borderpx + win.th)
+ xclear(winx, winy + win.ch, winx + width, win.h);
+ /* Fill the background */
+ XftDrawRect(xw.draw, bg, winx, winy, width, win.ch);
+ }
+
+ if (dmode & DRAW_FG) {
+ /* Render the glyphs. */
+ XftDrawGlyphFontSpec(xw.draw, fg, specs, len);
+
+ /* Render underline and strikethrough. */
+ if (base.mode & ATTR_UNDERLINE) {
+ XftDrawRect(xw.draw, fg, winx, winy + dc.font.ascent + 1,
+ width, 1);
+ }
+
+ if (base.mode & ATTR_STRUCK) {
+ XftDrawRect(xw.draw, fg, winx, winy + 2 * dc.font.ascent / 3,
+ width, 1);
+ }
+ }
}
void
@@ -1513,7 +1506,7 @@ xdrawglyph(Glyph g, int x, int y)
XftGlyphFontSpec spec;
numspecs = xmakeglyphfontspecs(&spec, &g, 1, x, y);
- xdrawglyphfontspecs(&spec, g, numspecs, x, y);
+ xdrawglyphfontspecs(&spec, g, numspecs, x, y, DRAW_BG | DRAW_FG);
}
void
@@ -1648,32 +1641,39 @@ xstartdraw(void)
void
xdrawline(Line line, int x1, int y1, int x2)
{
- int i, x, ox, numspecs;
+ int i, x, ox, numspecs, numspecs_cached;
Glyph base, new;
- XftGlyphFontSpec *specs = xw.specbuf;
-
- numspecs = xmakeglyphfontspecs(specs, &line[x1], x2 - x1, x1, y1);
- i = ox = 0;
- for (x = x1; x < x2 && i < numspecs; x++) {
- new = line[x];
- if (new.mode == ATTR_WDUMMY)
- continue;
- if (selected(x, y1))
- new.mode ^= ATTR_REVERSE;
- if (i > 0 && ATTRCMP(base, new)) {
- xdrawglyphfontspecs(specs, base, i, ox, y1);
- specs += i;
- numspecs -= i;
- i = 0;
- }
- if (i == 0) {
- ox = x;
- base = new;
+ XftGlyphFontSpec *specs;
+
+ numspecs_cached = xmakeglyphfontspecs(xw.specbuf, &line[x1], x2 - x1, x1, y1);
+
+ /* Draw line in 2 passes: background and foreground. This way wide glyphs
+ won't get truncated (#223) */
+ for (int dmode = DRAW_BG; dmode <= DRAW_FG; dmode <<= 1) {
+ specs = xw.specbuf;
+ numspecs = numspecs_cached;
+ i = ox = 0;
+ for (x = x1; x < x2 && i < numspecs; x++) {
+ new = line[x];
+ if (new.mode == ATTR_WDUMMY)
+ continue;
+ if (selected(x, y1))
+ new.mode ^= ATTR_REVERSE;
+ if (i > 0 && ATTRCMP(base, new)) {
+ xdrawglyphfontspecs(specs, base, i, ox, y1, dmode);
+ specs += i;
+ numspecs -= i;
+ i = 0;
+ }
+ if (i == 0) {
+ ox = x;
+ base = new;
+ }
+ i++;
}
- i++;
+ if (i > 0)
+ xdrawglyphfontspecs(specs, base, i, ox, y1, dmode);
}
- if (i > 0)
- xdrawglyphfontspecs(specs, base, i, ox, y1);
}
void
--
2.35.1

BIN
st

Binary file not shown.

6
st.h
View File

@ -36,6 +36,12 @@ enum glyph_attribute {
ATTR_BOLD_FAINT = ATTR_BOLD | ATTR_FAINT, ATTR_BOLD_FAINT = ATTR_BOLD | ATTR_FAINT,
}; };
enum drawing_mode {
DRAW_NONE = 0,
DRAW_BG = 1 << 0,
DRAW_FG = 1 << 1,
};
enum selection_mode { enum selection_mode {
SEL_IDLE = 0, SEL_IDLE = 0,
SEL_EMPTY = 1, SEL_EMPTY = 1,

44
x.c
View File

@ -142,7 +142,7 @@ typedef struct {
static inline ushort sixd_to_16bit(int); static inline ushort sixd_to_16bit(int);
static int xmakeglyphfontspecs(XftGlyphFontSpec *, const Glyph *, int, int, int); static int xmakeglyphfontspecs(XftGlyphFontSpec *, const Glyph *, int, int, int);
static void xdrawglyphfontspecs(const XftGlyphFontSpec *, Glyph, int, int, int); static void xdrawglyphfontspecs(const XftGlyphFontSpec *, Glyph, int, int, int, int);
static void xdrawglyph(Glyph, int, int); static void xdrawglyph(Glyph, int, int);
static void xclear(int, int, int, int); static void xclear(int, int, int, int);
static int xgeommasktogravity(int); static int xgeommasktogravity(int);
@ -1372,7 +1372,7 @@ xmakeglyphfontspecs(XftGlyphFontSpec *specs, const Glyph *glyphs, int len, int x
} }
void void
xdrawglyphfontspecs(const XftGlyphFontSpec *specs, Glyph base, int len, int x, int y) xdrawglyphfontspecs(const XftGlyphFontSpec *specs, Glyph base, int len, int x, int y, int dmode)
{ {
int charlen = len * ((base.mode & ATTR_WIDE) ? 2 : 1); int charlen = len * ((base.mode & ATTR_WIDE) ? 2 : 1);
int winx = borderpx + x * win.cw, winy = borderpx + y * win.ch, int winx = borderpx + x * win.cw, winy = borderpx + y * win.ch,
@ -1463,6 +1463,7 @@ xdrawglyphfontspecs(const XftGlyphFontSpec *specs, Glyph base, int len, int x, i
if (base.mode & ATTR_INVISIBLE) if (base.mode & ATTR_INVISIBLE)
fg = bg; fg = bg;
if (dmode & DRAW_BG) {
/* Intelligent cleaning up of the borders. */ /* Intelligent cleaning up of the borders. */
if (x == 0) { if (x == 0) {
xclear(0, (y == 0)? 0 : winy, borderpx, xclear(0, (y == 0)? 0 : winy, borderpx,
@ -1477,33 +1478,25 @@ xdrawglyphfontspecs(const XftGlyphFontSpec *specs, Glyph base, int len, int x, i
xclear(winx, 0, winx + width, borderpx); xclear(winx, 0, winx + width, borderpx);
if (winy + win.ch >= borderpx + win.th) if (winy + win.ch >= borderpx + win.th)
xclear(winx, winy + win.ch, winx + width, win.h); xclear(winx, winy + win.ch, winx + width, win.h);
/* Fill the background */
/* Clean up the region we want to draw to. */
XftDrawRect(xw.draw, bg, winx, winy, width, win.ch); XftDrawRect(xw.draw, bg, winx, winy, width, win.ch);
}
/* Set the clip region because Xft is sometimes dirty. */ if (dmode & DRAW_FG) {
r.x = 0;
r.y = 0;
r.height = win.ch;
r.width = width;
XftDrawSetClipRectangles(xw.draw, winx, winy, &r, 1);
/* Render the glyphs. */ /* Render the glyphs. */
XftDrawGlyphFontSpec(xw.draw, fg, specs, len); XftDrawGlyphFontSpec(xw.draw, fg, specs, len);
/* Render underline and strikethrough. */ /* Render underline and strikethrough. */
if (base.mode & ATTR_UNDERLINE) { if (base.mode & ATTR_UNDERLINE) {
XftDrawRect(xw.draw, fg, winx, winy + dc.font.ascent * chscale + 1, XftDrawRect(xw.draw, fg, winx, winy + dc.font.ascent + 1,
width, 1); width, 1);
} }
if (base.mode & ATTR_STRUCK) { if (base.mode & ATTR_STRUCK) {
XftDrawRect(xw.draw, fg, winx, winy + 2 * dc.font.ascent * chscale / 3, XftDrawRect(xw.draw, fg, winx, winy + 2 * dc.font.ascent / 3,
width, 1); width, 1);
} }
}
/* Reset clip to none. */
XftDrawSetClip(xw.draw, 0);
} }
void void
@ -1513,7 +1506,7 @@ xdrawglyph(Glyph g, int x, int y)
XftGlyphFontSpec spec; XftGlyphFontSpec spec;
numspecs = xmakeglyphfontspecs(&spec, &g, 1, x, y); numspecs = xmakeglyphfontspecs(&spec, &g, 1, x, y);
xdrawglyphfontspecs(&spec, g, numspecs, x, y); xdrawglyphfontspecs(&spec, g, numspecs, x, y, DRAW_BG | DRAW_FG);
} }
void void
@ -1648,11 +1641,17 @@ xstartdraw(void)
void void
xdrawline(Line line, int x1, int y1, int x2) xdrawline(Line line, int x1, int y1, int x2)
{ {
int i, x, ox, numspecs; int i, x, ox, numspecs, numspecs_cached;
Glyph base, new; Glyph base, new;
XftGlyphFontSpec *specs = xw.specbuf; XftGlyphFontSpec *specs;
numspecs = xmakeglyphfontspecs(specs, &line[x1], x2 - x1, x1, y1); numspecs_cached = xmakeglyphfontspecs(xw.specbuf, &line[x1], x2 - x1, x1, y1);
/* Draw line in 2 passes: background and foreground. This way wide glyphs
won't get truncated (#223) */
for (int dmode = DRAW_BG; dmode <= DRAW_FG; dmode <<= 1) {
specs = xw.specbuf;
numspecs = numspecs_cached;
i = ox = 0; i = ox = 0;
for (x = x1; x < x2 && i < numspecs; x++) { for (x = x1; x < x2 && i < numspecs; x++) {
new = line[x]; new = line[x];
@ -1661,7 +1660,7 @@ xdrawline(Line line, int x1, int y1, int x2)
if (selected(x, y1)) if (selected(x, y1))
new.mode ^= ATTR_REVERSE; new.mode ^= ATTR_REVERSE;
if (i > 0 && ATTRCMP(base, new)) { if (i > 0 && ATTRCMP(base, new)) {
xdrawglyphfontspecs(specs, base, i, ox, y1); xdrawglyphfontspecs(specs, base, i, ox, y1, dmode);
specs += i; specs += i;
numspecs -= i; numspecs -= i;
i = 0; i = 0;
@ -1673,7 +1672,8 @@ xdrawline(Line line, int x1, int y1, int x2)
i++; i++;
} }
if (i > 0) if (i > 0)
xdrawglyphfontspecs(specs, base, i, ox, y1); xdrawglyphfontspecs(specs, base, i, ox, y1, dmode);
}
} }
void void

BIN
x.o

Binary file not shown.