Hi,
I've stumbled upon the Arch Linux package rxvt-unicode-patched
(https://aur.archlinux.org/packages/rxvt-unicode-patched/), which
includes the following patches:
# font-width-fix.patch:
--- src/rxvtfont.C.bukind 2007-11-30 14:36:33.000000000 +0600
+++ src/rxvtfont.C 2007-11-30 14:39:29.000000000 +0600
@@ -1171,12 +1171,21 @@
XGlyphInfo g;
XftTextExtents16 (disp, f, &ch, 1, &g);
+/*
+ * bukind: don't use g.width as a width of a character!
+ * instead use g.xOff, see e.g.:
http://keithp.com/~keithp/render/Xft.tutorial
+
g.width -= g.x;
int wcw = WCWIDTH (ch);
if (wcw > 0) g.width = (g.width + wcw - 1) / wcw;
if (width < g.width ) width = g.width;
+ */
+ int wcw = WCWIDTH (ch);
+ if (wcw > 1) g.xOff = g.xOff / wcw;
+ if (width < g.xOff) width = g.xOff;
+
if (height < g.height ) height = g.height;
if (glheight < g.height - g.y) glheight = g.height - g.y;
}
# line-spacing-fix.patch
--- src/rxvtfont.C.orig 2011-07-20 22:19:29.878012201 -0300
+++ src/rxvtfont.C 2011-07-20 22:19:33.634671723 -0300
@@ -1237,11 +1237,22 @@
FT_Face face = XftLockFace (f);
+/*
+ * use ascent, descent and height from XftFont *f instead of FT_Face face.
+ * this somehow reproduces the behaviour of the line height as seen on
xterm.
+
ascent = (face->size->metrics.ascender + 63) >> 6;
descent = (-face->size->metrics.descender + 63) >> 6;
height = max (ascent + descent, (face->size->metrics.height + 63)
>> 6);
width = 0;
+ */
+
+ ascent = f->ascent;
+ descent = f->descent;
+ height = max (ascent + descent, f->height);
+ width = 0;
+
bool scalable = face->face_flags & FT_FACE_FLAG_SCALABLE;
XftUnlockFace (f);
While I cannot say much about the second patch, the first one appears to
fix the necessary `URxvt.letterSpace: -1` when using `Ubuntu Mono`.
Please consider including them.
Thanks,
Daniel.
--
http://daniel.hahler.de/
--- src/rxvtfont.C.bukind 2007-11-30 14:36:33.000000000 +0600
+++ src/rxvtfont.C 2007-11-30 14:39:29.000000000 +0600
@@ -1171,12 +1171,21 @@
XGlyphInfo g;
XftTextExtents16 (disp, f, &ch, 1, &g);
+/*
+ * bukind: don't use g.width as a width of a character!
+ * instead use g.xOff, see e.g.: http://keithp.com/~keithp/render/Xft.tutorial
+
g.width -= g.x;
int wcw = WCWIDTH (ch);
if (wcw > 0) g.width = (g.width + wcw - 1) / wcw;
if (width < g.width ) width = g.width;
+ */
+ int wcw = WCWIDTH (ch);
+ if (wcw > 1) g.xOff = g.xOff / wcw;
+ if (width < g.xOff) width = g.xOff;
+
if (height < g.height ) height = g.height;
if (glheight < g.height - g.y) glheight = g.height - g.y;
}
--- src/rxvtfont.C.orig 2011-07-20 22:19:29.878012201 -0300
+++ src/rxvtfont.C 2011-07-20 22:19:33.634671723 -0300
@@ -1237,11 +1237,22 @@
FT_Face face = XftLockFace (f);
+/*
+ * use ascent, descent and height from XftFont *f instead of FT_Face face.
+ * this somehow reproduces the behaviour of the line height as seen on xterm.
+
ascent = (face->size->metrics.ascender + 63) >> 6;
descent = (-face->size->metrics.descender + 63) >> 6;
height = max (ascent + descent, (face->size->metrics.height + 63) >> 6);
width = 0;
+ */
+
+ ascent = f->ascent;
+ descent = f->descent;
+ height = max (ascent + descent, f->height);
+ width = 0;
+
bool scalable = face->face_flags & FT_FACE_FLAG_SCALABLE;
XftUnlockFace (f);
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