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fix glyphs getting cut off

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Jakub 2023-01-27 09:57:07 -05:00
parent 25371405b8
commit c1dc52cc87
3 changed files with 264 additions and 59 deletions
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188
patches/dreomite-fix-glyth.diff Normal file
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@ -0,0 +1,188 @@
Taken from https://github.com/Dreomite/st/commit/e3b821dcb3511d60341dec35ee05a4a0abfef7f2?diff=unified
---
diff --git a/st.h b/st.h
index 33cc5d4..b85474b 100644
--- a/st.h
+++ b/st.h
@@ -37,6 +37,12 @@ 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 5b5c404..c1f050b 100644
--- a/x.c
+++ b/x.c
@@ -152,7 +152,7 @@ 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);
@@ -1445,7 +1445,7 @@ 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 = win.hborderpx + x * win.cw, winy = win.vborderpx + y * win.ch,
@@ -1531,40 +1531,44 @@ 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, win.vborderpx,
- winy + win.ch +
- ((winy + win.ch >= win.vborderpx + win.th)? win.h : 0));
- }
- if (winx + width >= win.hborderpx + win.tw) {
- xclear(winx + width, (y == 0)? 0 : winy, win.w,
- ((winy + win.ch >= win.vborderpx + win.th)? win.h : (winy + win.ch)));
- }
- if (y == 0)
- xclear(winx, 0, winx + width, win.hborderpx);
- if (winy + win.ch >= win.vborderpx + 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);
+ if (dmode & DRAW_BG) {
+ /* Intelligent cleaning up of the borders. */
+ if (x == 0) {
+ xclear(0, (y == 0)? 0 : winy, win.vborderpx,
+ winy + win.ch +
+ ((winy + win.ch >= win.vborderpx + win.th)? win.h : 0));
+ }
+ if (winx + width >= win.hborderpx + win.tw) {
+ xclear(winx + width, (y == 0)? 0 : winy, win.w,
+ ((winy + win.ch >= win.vborderpx + win.th)? win.h : (winy + win.ch)));
+ }
+ if (y == 0)
+ xclear(winx, 0, winx + width, win.hborderpx);
+ if (winy + win.ch >= win.vborderpx + win.th)
+ xclear(winx, winy + win.ch, winx + width, win.h);
- if (base.mode & ATTR_BOXDRAW) {
- drawboxes(winx, winy, width / len, win.ch, fg, bg, specs, len);
- } else {
- /* Render the glyphs. */
- XftDrawGlyphFontSpec(xw.draw, fg, specs, len);
+ /* Fill the background */
+ XftDrawRect(xw.draw, bg, winx, winy, width, win.ch);
}
- /* Render underline and strikethrough. */
- if (base.mode & ATTR_UNDERLINE) {
- XftDrawRect(xw.draw, fg, winx, winy + win.cyo + dc.font.ascent + 1,
- width, 1);
- }
+ if (dmode & DRAW_FG) {
+ if (base.mode & ATTR_BOXDRAW) {
+ drawboxes(winx, winy, width / len, win.ch, fg, bg, specs, len);
+ } else {
+ /* Render the glyphs. */
+ XftDrawGlyphFontSpec(xw.draw, fg, specs, len);
+ }
- if (base.mode & ATTR_STRUCK) {
- XftDrawRect(xw.draw, fg, winx, winy + win.cyo + 2 * dc.font.ascent / 3,
- width, 1);
+ /* Render underline and strikethrough. */
+ if (base.mode & ATTR_UNDERLINE) {
+ XftDrawRect(xw.draw, fg, winx, winy + win.cyo + dc.font.ascent + 1,
+ width, 1);
+ }
+
+ if (base.mode & ATTR_STRUCK) {
+ XftDrawRect(xw.draw, fg, winx, winy + win.cyo + 2 * dc.font.ascent / 3,
+ width, 1);
+ }
}
}
@@ -1575,7 +1579,7 @@ 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
@@ -1694,32 +1698,39 @@ 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

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,

41
x.c
View File

@ -158,7 +158,7 @@ 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);
@ -1406,7 +1406,7 @@ 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 = win.hborderpx + x * win.cw, winy = win.vborderpx + y * win.ch, int winx = win.hborderpx + x * win.cw, winy = win.vborderpx + y * win.ch,
@ -1493,9 +1493,10 @@ 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, win.hborderpx, xclear(0, (y == 0)? 0 : winy, win.vborderpx,
winy + win.ch + winy + win.ch +
((winy + win.ch >= win.vborderpx + win.th)? win.h : 0)); ((winy + win.ch >= win.vborderpx + win.th)? win.h : 0));
} }
@ -1504,13 +1505,10 @@ xdrawglyphfontspecs(const XftGlyphFontSpec *specs, Glyph base, int len, int x, i
((winy + win.ch >= win.vborderpx + win.th)? win.h : (winy + win.ch))); ((winy + win.ch >= win.vborderpx + win.th)? win.h : (winy + win.ch)));
} }
if (y == 0) if (y == 0)
xclear(winx, 0, winx + width, win.vborderpx); xclear(winx, 0, winx + width, win.hborderpx);
if (winy + win.ch >= win.vborderpx + win.th) if (winy + win.ch >= win.vborderpx + win.th)
xclear(winx, winy + win.ch, winx + width, win.h); 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. */ /* Set the clip region because Xft is sometimes dirty. */
r.x = 0; r.x = 0;
r.y = 0; r.y = 0;
@ -1518,19 +1516,25 @@ xdrawglyphfontspecs(const XftGlyphFontSpec *specs, Glyph base, int len, int x, i
r.width = width; r.width = width;
XftDrawSetClipRectangles(xw.draw, winx, winy, &r, 1); XftDrawSetClipRectangles(xw.draw, winx, winy, &r, 1);
/* Fill the background */
XftDrawRect(xw.draw, bg, winx, winy, width, win.ch);
}
if (dmode & DRAW_FG) {
/* 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. */ /* Reset clip to none. */
XftDrawSetClip(xw.draw, 0); XftDrawSetClip(xw.draw, 0);
@ -1543,7 +1547,7 @@ 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
@ -1708,11 +1712,17 @@ 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];
@ -1721,7 +1731,7 @@ 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;
@ -1733,7 +1743,8 @@ 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